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List of nearest stars

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Rotating 3D image of the nearest stars
Animated 3D map of the nearest stars, centered on the Sun. 3D red green glasses are recommended to view this image correctly.
A radar map of the distances (▬) and positions (◆) of all known stellar bodies or systems within 9 light years (ly) (for within 12 ly see this map). Their distances are entered outward from the Sun (Sol) between concentric circles, each representing one ly, and arranged clockwise in hours of right ascension. The position marks are entered inward from the distance marks according to their declinations, connected by lines (doted when positive) representing the arcs of the declinations viewed edge-on.

This list covers all known stars, white dwarfs, brown dwarfs, and sub-brown dwarfs within 20 light-years (6.13 parsecs) of the Sun. So far, 131 such objects have been found. Only 22 are bright enough to be visible without a telescope, for which the star's visible light needs to reach or exceed the dimmest brightness visible to the naked eye from Earth, 6.5 apparent magnitude.[1]

The known 131 objects are bound in 94 stellar systems. Of those, 103 are main sequence stars: 80 red dwarfs and 23 "typical" stars having greater mass. Additionally, astronomers have found 6 white dwarfs (stars that have exhausted all fusible hydrogen), 21 brown dwarfs, as well as 1 sub-brown dwarf, WISE 0855−0714 (possibly a rogue planet). The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from Earth. The brightest, most massive and most luminous object among those 131 is Sirius A, which is also the brightest star in Earth's night sky; its white dwarf companion Sirius B is the hottest object among them. The largest object within the 20 light-years is Procyon.

The Solar System, and the other stars/dwarfs listed here, are currently moving within (or near) the Local Interstellar Cloud, roughly 30 light-years (9.2 pc) across. The Local Interstellar Cloud is, in turn, contained inside the Local Bubble, a cavity in the interstellar medium about 300 light-years (92.0 pc) across. It contains Ursa Major and the Hyades star cluster, among others. The Local Bubble also contains the neighboring G-Cloud, which contains the stars Alpha Centauri and Altair. In the galactic context, the Local Bubble is a small part of the Orion Arm, which contains most stars that we can see without a telescope. The Orion Arm is one of the spiral arms of our Milky Way galaxy.

Astrometrics

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The easiest way to determine stellar distance to the Sun for objects at these distances is parallax, which measures how much stars appear to move against background objects over the course of Earth's orbit around the Sun. As a parsec (parallax-second) is defined by the distance of an object that would appear to move exactly one second of arc against background objects, stars less than 5 parsecs away will have measured parallaxes of over 0.2 arcseconds, or 200 milliarcseconds. Determining past and future positions relies on accurate astrometric measurements of their parallax and total proper motions (how far they move across the sky due to their actual velocity relative to the Sun), along with spectroscopically determined radial velocities (their speed directly towards or away from us, which combined with proper motion defines their true movement through the sky relative to the Sun). Both of these measurements are subject to increasing and significant errors over very long time spans, especially over the several thousand-year time spans it takes for stars to noticeably move relative to each other.[2]

Based on results from the Gaia telescope's second data release from April 2018, an estimated 694 stars will approach the Solar System to less than 5 parsecs in the next 15 million years. Of these, 26 have a good probability to come within 1.0 parsec (3.3 light-years) and another 7 within 0.5 parsecs (1.6 light-years).[3] This number is likely much higher, due to the sheer number of stars needed to be surveyed; a star approaching the Solar System 10 million years ago, moving at a typical Sun-relative 20–200 kilometers per second, would be 600–6,000 light-years from the Sun at present day, with millions of stars closer to the Sun. The closest encounter to the Sun so far predicted is the low-mass orange dwarf star Gliese 710 / HIP 89825 with roughly 60% the mass of the Sun.[4] It is currently predicted to pass 0.1696±0.0065 ly (10635±500 au) from the Sun in 1.290±0.04 million years from the present, close enough to significantly disturb the Solar System's Oort cloud.[5]

Stars within 11 ly.
Stars and star systems within 12.5 ly.

List

[edit]
Key
# Visible to the unaided eye (apparent magnitude of +6.5 or brighter)
$ Luminous star (absolute magnitude of +8.5 or brighter)
‡ White dwarf
§ Brown dwarf
& Sub-brown dwarf or rogue planet
* Nearest in constellation

The classes of the stars and brown dwarfs are shown in the color of their spectral types (these colors are derived from conventional names for the spectral types and do not necessarily represent the star's observed color). Many brown dwarfs are not listed by visual magnitude but are listed by near-infrared J band apparent magnitude due to how dim (and often invisible) they are in visible color bands (U, B or V). Absolute magnitude (with electromagnetic wave, 'light' band denoted in subscript) is a measurement at a 10-parsec distance across imaginary empty space devoid of all its sparse dust and gas. Some of the parallaxes and resultant distances are rough measurements.[6]

A star can have many designations. To avoid table overflow, only one designation (the title of their linked article) and component label (A, B, C, etc.) of the star, brown dwarf and sub-brown dwarf is used. An exception is given if a component in a star system has its own article, if so then the title of the article will be written in brackets. These names might not always be the official IAU proper names. For the same reason, no alternative variable-star designation is used in the table, and designations with coordinates if possible are abbreviated to the more common form used in papers (UGPS J072227.51−054031.2 is shortened to UGPS 0722−05).

Known star systems within 20 light-years (6.13 parsecs)
Designation Distance
(ly)[7]→ 		Coordinates:
RA, Dec
(Ep J2000, Eq J2000)[6] 		Stellar
class 		Mass Magnitude (mV[6] or mJ) Parallax
(mas)
[6][note 1] 		Confirmed planets
System Stellar objects M☉ App. Abs.
Solar System[note 2] Sun$ 0.0000158 N/A N/A G2V[6] 1 −26.74# 4.85 N/A 8
Alpha Centauri C (Proxima Centauri) 4.2465
±0.0003 		Cen* 14h 29m 43.0s
−62° 40′ 46″ 		M5.5Ve 0.122 11.09 15.53 768.0665
±0.0499[8] 		1
A$ 4.3441
±0.0022 		14h 39m 36.5s
−60° 50′ 02″ 		G2V[6] 1.079 0.01# 4.38 750.81
±0.38[9]
B$ 14h 39m 35.1s
−60° 50′ 14″ 		K1V[6] 0.909 1.34# 5.71
Barnard's Star[note 3] 5.9629
±0.0004 		Oph* 17h 57m 48.5s
+04° 41′ 36″ 		M4.0Ve 0.144 9.53 13.22 546.9759
±0.0401[8] 		4[10][11]
Luhman 16 A§[note 4] 6.5029
±0.0011 		Vel* 10h 49m 18.9s
−53° 19′ 10″ 		L8±1[12] 0.032 10.7 J 14.2 J 501.557
±0.082[13]
B§[note 4] T1±2[12] 0.027
WISE 0855−0714& 7.430
±0.041 		Hya* 08h 55m 10.8s
−07° 14′ 43″ 		Y4 0.003-0.010 25.0 J 28.2 J 439.0
±2.4[14]
Wolf 359[note 3] 7.8558
±0.0013 		Leo* 10h 56m 29.2s
+07° 00′ 53″ 		M6.0V[6] 0.090 13.44 16.55 415.1794
±0.0684[8]
Lalande 21185 8.3044
±0.0007 		UMa* 11h 03m 20.2s
+35° 58′ 12″ 		M2.0V[6] 0.390 7.47 10.44 392.7529
±0.0321[8] 		2[15]
Sirius[note 5] A$ 8.7094
±0.0054 		CMa* 06h 45m 08.9s
−16° 42′ 58″ 		A1V[6] 2.063 −1.46# 1.42 374.4896
±0.2313[8]
B‡ DA2[6] 1.018 8.44 11.34
Gliese 65 A[note 3] 8.724
±0.012 		Cet* 01h 39m 01.3s
−17° 57′ 01″ 		M5.5Ve 0.102 12.54 15.40 373.8443
±0.5009[8]
B[note 3] M6.0Ve 0.100 12.99 15.85
Ross 154[note 3] 9.7063
±0.0009 		Sgr* 18h 49m 49.4s
−23° 50′ 10″ 		M3.5Ve 0.17 10.43 13.07 336.0266
±0.0317[8]
Ross 248[note 3] 10.3057
±0.0014 		And* 23h 41m 54.7s
+44° 10′ 30″ 		M5.5Ve 0.136 12.29 14.79 316.4812
±0.0444[8]
Epsilon Eridani$[note 6] 10.4749
±0.0037 		Eri* 03h 32m 55.8s
−09° 27′ 30″ 		K2V[6] 0.820 3.73# 6.19 311.37
±0.11[16] 		1[17]
Lacaille 9352[note 3] 10.7241
±0.0007 		PsA* 23h 05m 52.0s
−35° 51′ 11″ 		M0.5V 0.486 7.34 9.75 304.1354
±0.0200[8] 		2[18]
Ross 128[note 3] 11.0074
±0.0011 		Vir* 11h 47m 44.4s
+00° 48′ 16″ 		M4.0Vn 0.168 11.13 13.51 296.3053
±0.0302[8] 		1[19]
EZ Aquarii A[note 3] 11.109
±0.034 		Aqr* 22h 38m 33.4s
−15° 17′ 57″ 		M5.0Ve 0.11 13.33 15.64 293.60
±0.9[20]
B[note 3] M? 0.11 13.27 15.58
C M? 0.10 14.03 16.34
Procyon A$ 11.402
±0.032 		CMi* 07h 39m 18.1s
+05° 13′ 30″ 		F5IV–V[6] 1.499 0.38# 2.66 286.05
±0.81
[21][22]
B‡ DQZ[6] 0.602 10.70 12.98
61 Cygni[note 7] A$ 11.4039
±0.0012 		Cyg* 21h 06m 53.9s
+38° 44′ 58″ 		K5.0V[6] 0.70 5.21# 7.49 286.0054
±0.0289[8]
B$ 21h 06m 55.3s
+38° 44′ 31″ 		K7.0V[6] 0.63 6.03# 8.31
Struve 2398 A[note 3] 11.4908
±0.0009 		Dra* 18h 42m 46.7s
+59° 37′ 49″ 		M3.0V[6] 0.334 8.90 11.16 283.8401
±0.0220[8]
B[note 3] 18h 42m 46.9s
+59° 37′ 37″ 		M3.5V[6] 0.248 9.69 11.95
Groombridge 34 A[note 3] 11.6191
±0.0008 		And 00h 18m 22.9s
+44° 01′ 23″ 		M1.5V[6] 0.38 8.08 10.32 280.7068
±0.0203[8] 		2[23]
B[note 3] M3.5V[6] 0.15 11.06 13.30
DX Cancri[note 3] 11.6797
±0.0027 		Cnc* 08h 29m 49.5s
+26° 46′ 37″ 		M6.5Ve 0.09 14.78 16.98 279.2496
±0.0637[8]
Epsilon Indi A$ 11.8670
±0.0041 		Ind* 22h 03m 21.7s
−56° 47′ 10″ 		K5Ve[6] 0.754 4.69# 6.89 274.8431
±0.0956[8] 		1[24]
Ba§ 22h 04m 10.5s
−56° 46′ 58″ 		T1.0V 0.065 12.3 J[25] 14.5 J
Bb§ T6.0V 0.050 13.2 J[25] 15.4 J
Tau Ceti$[26] 11.9118
±0.0074 		Cet 01h 44m 04.1s
−15° 56′ 15″ 		G8.5Vp[6] 0.783 3.49# 5.68 273.8097
±0.1701[8] 		4
GJ 1061 11.9839
±0.0014 		Hor* 03h 35m 59.7s
−44° 30′ 45″ 		M5.5V[6] 0.113 13.09 15.26 272.1615
±0.0316[8] 		3[27][28][29]
YZ Ceti[note 3] 12.1222
±0.0015 		Cet 01h 12m 30.6s
−16° 59′ 56″ 		M4.5V[6] 0.130 12.02 14.17 269.0573
±0.0337[8] 		3[30]
Luyten's Star 12.3485
±0.0019 		CMi 07h 27m 24.5s
+05° 13′ 33″ 		M3.5Vn 0.26 9.86 11.97 264.1269
±0.0413[8] 		2[31]
Teegarden's Star 12.4970
±0.0045 		Ari* 02h 53m 00.9s
+16° 52′ 53″ 		M6.5V 0.08 15.14 17.22 260.9884
±0.0934[8] 		3[32][33]
Kapteyn's Star 12.8308
±0.0008 		Pic* 05h 11m 40.6s
−45° 01′ 06″ 		M1.5VI[6] 0.281 8.84 10.87 254.1986
±0.0168[8]
Lacaille 8760[note 8] 12.9472
±0.0018 		Mic* 21h 17m 15.3s
−38° 52′ 03″ 		M0.0V[6] 0.60 6.67 8.69 251.9124
±0.0352[8]
SCR 1845−6357 A 13.0638
±0.0070 		Pav* 18h 45m 05.3s
−63° 57′ 48″ 		M8.5V[6] 0.07 17.39 19.41 249.6651
±0.1330[8]
B§ 18h 45m 02.6s
−63° 57′ 52″ 		T6[34] 0.03[6] 13.3 J[25] 15.3 J
Kruger 60 A 13.0724
±0.0052 		Cep* 22h 27m 59.5s
+57° 41′ 45″ 		M3.0V[6] 0.271 9.79 11.76 249.5
±0.1[35]
B[note 3] M4.0V[6] 0.176 11.41 13.38
DENIS J1048−3956 13.1932
±0.0027 		Ant* 10h 48m 14.7s
−39° 56′ 06″ 		M8.5V[6] 0.08 17.39 19.37 247.2156
±0.0512[8]
Ross 614 A[note 3] 13.363
±0.040 		Mon* 06h 29m 23.4s
−02° 48′ 50″ 		M4.5V[6] 0.223 11.15 13.09 244.07
±0.73[36]
B M5.5V 0.111 14.23 16.17
UGPS 0722−05§ 13.43
±0.13 		Mon 07h 22m 27.3s
–05° 40′ 30″ 		T9[6] 0.010-0.025 16.52 J[37] 18.45 J 242.8
±2.4[38]
Wolf 1061 14.0500
±0.0016 		Oph 16h 30m 18.1s
−12° 39′ 45″ 		M3.0V[6] 0.294 10.07 11.93 232.1390
±0.0268[8] 		3[39]
van Maanen 2‡[note 9] 14.0718
±0.0011 		Psc* 00h 49m 09.9s
+05° 23′ 19″ 		DZ7[6] 0.67 12.38 14.21 231.7800
±0.0183[8]
Gliese 1 14.1747
±0.0022 		Scl* 00h 05m 24.4s
−37° 21′ 27″ 		M1.5 V[6] 0.45-0.48 8.55 10.35 230.0970
±0.0362[8]
TZ Arietis[note 3] 14.5780
±0.0046 		Ari 02h 00m 13.2s
+13° 03′ 08″ 		M4.5V[6] 0.14 12.27 14.03 223.7321
±0.0699[8] 		1[40]
Wolf 424 A[note 3] 14.595
±0.031 		Vir 12h 33m 17.2s
+09° 01′ 15″ 		M5.5Ve 0.143 13.18 14.97 223.4775
±0.4665[8]
B[note 3] M7Ve 0.131 13.17 14.96
Gliese 687[note 10] 14.8395
±0.0014 		Dra 17h 36m 25.9s
+68° 20′ 21″ 		M3.0V[6] 0.401 9.17 10.89 219.7898
±0.0210[8] 		2[41][42]
Gliese 674 14.8492
±0.0018 		Ara* 17h 28m 39.9s
−46° 53′ 43″ 		M3.0V[6] 0.35 9.38 11.09 219.6463
±0.0262[8] 		1[43]
LHS 292[note 3] 14.8706
±0.0041 		Sex* 10h 48m 12.6s
−11° 20′ 14″ 		M6.5V[6] 0.08 15.60 17.32 219.3302
±0.0602[8]
Gliese 440‡ 15.1226
±0.0013 		Mus* 11h 45m 42.9s
−64° 50′ 29″ 		DQ6[6] 0.75 11.50 13.18 215.6753
±0.0181[8]
GJ 1245[note 3] A 15.2001
±0.0034 		Cyg 19h 53m 54.2s
+44° 24′ 55″ 		M5.5V[6] 0.11 13.46 15.17 214.5745
±0.0476[8]
B 19h 53m 55.2s
+44° 24′ 56″ 		M6.0V[6] 0.10 14.01 15.72
C 19h 53m 54.2s
+44° 24′ 55″ 		M5.5 0.07 16.75 18.46
WISE 1741+2553§ 15.22
±0.20 		Her* 17h 41m 24.2s
+25° 53′ 19″ 		T9 16.53 J 18.18 J 214.3
±2.8[44]
Gliese 876 15.2382
±0.0025 		Aqr 22h 53m 16.7s
−14° 15′ 49″ 		M3.5V[6] 0.37 10.17 11.81 214.0380
±0.0356[8] 		4[45]
WISE 1639−6847§ 15.336
±0.066 		TrA* 16h 39m 40.9s
−68° 47′ 46″ 		Y0.5 20.57 J 22.10 J 212.67
±0.91[46]
LHS 288 15.7586
±0.0034 		Car* 10h 44m 21.2s
−61° 12′ 36″ 		M5.5V[6] 0.11[6] 13.90 15.51 206.9698
±0.0448[8]
GJ 1002 15.8060
±0.0036 		Cet 00h 06m 43.8s
−07° 32′ 22″ 		M5.5V[6] 0.11 13.76 15.40 206.3500
±0.0474[8] 		2[47]
DENIS 0255−4700§ 15.877
±0.014 		Eri 02h 55m 03.7s
−47° 00′ 52″ 		L7.5V[6] 0.025-0.065 22.92 24.44 205.4251
±0.1857[8]
Groombridge 1618$[note 11] 15.8857
±0.0017 		UMa 10h 11m 22.1s
+49° 27′ 15″ 		K7.0V[6] 0.67 6.59 8.16 205.3148
±0.0224[8]
Gliese 412 A 15.9969
±0.0026 		UMa 11h 05m 28.6s
+43° 31′ 36″ 		M1.0V[6] 0.48 8.77 10.34 203.8876
±0.0332[8]
B[note 3] 11h 05m 30.4s
+43° 31′ 18″ 		M5.5V[6] 0.10 14.48 16.05
AD Leonis[note 3] 16.1939
±0.0024 		Leo 10h 19m 36.4s
+19° 52′ 10″ 		M3.0V[6] 0.39-0.42 9.32 10.87 201.4064
±0.0296[8]
Gliese 832[note 12] 16.2005
±0.0019 		Gru* 21h 33m 34.0s
−49° 00′ 32″ 		M1.5 V[6] 0.45 8.66 10.20 201.3252
±0.0237[8] 		1
Gliese 682 16.3328
±0.0026 		Sco* 17h 37m 03.7s
–44° 19′ 09″ 		M4 V 0.27 10.95 12.45 199.6944
±0.0312[8]
40 Eridani A$ 16.3330
±0.0042 		Eri 04h 15m 16.3s
−07° 39′ 10″ 		K0.5 V 0.84 4.43# 5.93 199.6911
±0.0512[8]
B‡ 04h 15m 21.8s
−07° 39′ 29″ 		DA4 0.573 9.52 11.02
C 04h 15m 21.5s
−07° 39′ 22″ 		M4 V 0.2036 11.24 12.74
EV Lacertae[note 13] 16.4761
±0.0018 		Lac* 22h 46m 49.7s
+44° 20′ 02″ 		M3.5 V 0.35 10.22 11.70 197.9573
±0.0220[8]
70 Ophiuchi A$ 16.7074
±0.0087 		Oph 18h 05m 27.4s
+02° 29′ 59″ 		K0 V 0.90 4.21# 5.66 195.2166
±0.1012[35]
B$ 18h 05m 27.5s
+02° 29′ 56″ 		K5 V 0.70 6.01# 7.46
Altair$ 16.730
±0.049 		Aql* 19h 50m 47.0s
+08° 52′ 06″ 		A7 IV-Vn 1.79 0.77# 2.22 194.95
±0.57[48]
G 9-38 A 16.800
±0.011 		Cnc 08h 58m 15.2s
+19° 45′ 47″ 		M5.5 V 0.12 14.06 15.50 194.1443
±0.1228[8]
B M V 0.10 14.92 16.36
WISE 1506+7027§ 16.856
±0.052 		UMi* 15h 06m 52.4s
+70° 27′ 25″ 		T6 13.74 J 15.17 J 193.5
±0.6[44]
GJ 3379 (G 99-49) 16.9861
±0.0027 		Ori* 06h 00m 03.5s
+02° 42′ 24″ 		M3.5 V 0.2312 11.31 12.73 192.0135
±0.0310[8]
DENIS J081730.0−615520§ 17.002
±0.037 		Car 08h 17m 30.1s
−61° 55′ 16″ 		T6 0.015 13.61 J 15.03 J 191.8362
±0.4186[8]
Gliese 445 17.1368
±0.0017 		Cam* 11h 47m 41.4s
+78° 41′ 28″ 		M3.5 V 0.14 10.79 12.19 190.3251
±0.0194[8]
2M1540 17.3738
±0.0046 		Nor* 15h 40m 43.5s
−51° 01′ 36″ 		M7 V 0.090 15.26 16.63 187.7290
±0.0496[8]
2MASS 0939−2448 A§ 17.41
±0.44 		Ant 09h 39m 35.5s
−24° 48′ 28″ 		T8 V 0.019–0.048 15.61 J 16.97 J 187.3
±4.6[49]
B§ T8 V 0.019–0.038
GJ 3323 17.5309
±0.0026 		Eri 05h 01m 57.4s
−06° 56′ 46″ 		M4 V 0.1705 12.22 13.57 186.0466
±0.0277[8] 		2
Gliese 526 17.7263
±0.0024 		Boo* 13h 45m 43.8s
+14° 53′ 29″ 		M1 V 0.28 8.46 9.78 183.9962
±0.0253[8]
WISE 0350−5658§ 17.84
±0.30 		Ret* 03h 50m 00.3s
−56° 58′ 30″ 		Y1 22.47 J 23.70 J 182.9
±3.1[46]
Stein 2051 A 17.9925
±0.0020 		Cam 04h 31m 11.5s
+58° 58′ 37″ 		M4 V 0.252 11.04 12.33 181.2730
±0.0203[8]
B‡ 04h 31m 12.6s
+58° 58′ 41″ 		DC5 0.675 12.43 13.72
2MASS 1114−2618§ 18.20
±0.14 		Hya 11h 14m 51.3s
−26° 18′ 24″ 		T7.5 0.029–0.048 15.86 J 17.12 J 179.2
±1.4[50]
Gliese 251 18.2146
±0.0028 		Gem* 06h 54m 49.0s
+33° 16′ 05″ 		M3 V 0.360 10.02 11.29 179.0629
±0.0280[8] 		1
LP 816-60 18.3305
±0.0038 		Cap* 20h 52m 33.0s
−16° 58′ 29″ 		M3.5 V 0.224 11.50 12.75 177.9312
±0.0365[8]
LSR J1835+3259 18.5534
±0.0049 		Lyr* 18h 35m 37.9s
+32° 59′ 55″ 		M8.5 V 0.053 18.27 19.50 175.7930
±0.0468[8]
Gliese 205 18.6042
±0.0022 		Ori 05h 31m 27.4s
−03° 40′ 38″ 		M1 V 0.556 7.95 9.17 175.3131
±0.0204[8]
2MASS 0415−0935§ 18.62
±0.18 		Eri 04h 15m 19.5s
−09° 35′ 07″ 		T8 0.03 15.34 J 16.56 J 175.2
±1.7[50]
Gliese 229 A 18.7906
±0.0018 		Lep* 06h 10m 34.6s
−21° 51′ 53″ 		M1.5 V 0.579 8.14 9.34 173.5740
±0.0170[8]
Ba§ T7 0.036 14.01 J 15.21 J
Bb§ T8 0.033
Sigma Draconis$ 18.7993
±0.0081 		Dra 19h 32m 21.6s
+69° 39′ 40″ 		G9 V 0.85 4.67# 5.87 173.4939
±0.0748[8]
Ross 47 18.8883
±0.0031 		Ori 05h 42m 09.3s
+12° 29′ 21″ 		M4 V 0.35 11.57 12.76 172.6762
±0.0286[8]
WISE 1541−2250§ 18.93
±0.17 		Lib 15h 41m 51.6s
−22° 50′ 25″ 		Y0.5 0.011 20.99 J 22.10 J 172.3
±1.6[46]
Gliese 570 A$ 19.1987
±0.0074 		Lib* 14h 57m 28.0s
−21° 24′ 56″ 		K4 V 0.802 5.64# 6.79 169.8843
±0.0653[8]
B M1.5 V 0.55 8.30 9.45
C M 0.35 9.96 11.11
D§ T7.5 0.05 15.32 J 16.47 J
Gliese 693 19.2078
±0.0053 		Pav 17h 46m 32.4s
−57° 19′ 09″ 		M3 V 0.26 10.76 11.91 169.8042
±0.0465[8]
Gliese 754 19.2724
±0.0067 		Tel* 19h 20m 48.0s
−45° 33′ 30″ 		M4 V 0.173 12.23 13.37 169.2351
±0.0588[8]
Gliese 908 19.2745
±0.0032 		Psc 23h 49m 12.5s
+02° 24′ 04″ 		M1 V 0.37 8.98 10.12 169.2163
±0.0281[8]
Gliese 752 A 19.2922
±0.0027 		Aql 19h 16m 55.3s
+05° 10′ 08″ 		M2.5 V 0.46 9.10 10.24 169.0615
±0.0239[8] 		1
B (VB 10)[note 14] 19h 16m 57.6s
+05° 09′ 02″ 		M8 V 0.075 17.45 18.59
Gliese 588 19.2996
±0.0031 		Lup* 15h 32m 12.9s
−41° 16′ 32″ 		M2.5 V 0.43 9.31 10.45 168.9965
±0.0270[8]
Eta Cassiopeiae A$ 19.3314
±0.0025 		Cas* 00h 49m 06.3s
+57° 48′ 55″ 		G3 V 0.972 3.46# 4.60 168.7186
±0.0216[8]
B K7 V 0.57 7.51 8.65
36 Ophiuchi A$ 19.4185
±0.0036 		Oph 17h 15m 20.9s
−26° 36′ 09″ 		K1.5 V 0.85 5.07# 6.20 167.9617
±0.0311[8]
B$ 17h 15m 21.0s
−26° 36′ 10″ 		K1 V 0.85 5.08# 6.21
C$ 17h 16m 13.4s
−26° 32′ 46″ 		K5 V 0.71 6.32# 7.45
YZ Canis Minoris 19.5330
±0.0040 		CMi 07h 44m 40.2s
+03° 33′ 09″ 		M4 V 0.308 11.19 12.30 166.9769
±0.0343[8]
GJ 1005 A 19.577
±0.035[51] 		Cet 00h 15m 28.1s
−16° 08′ 02″ 		M3.5 V 0.179 11.60 12.71 166.6
±0.3[52]
B M V 0.112 14.02 15.13
HR 7703 A$ 19.609
±0.013 		Sgr 20h 11m 11.93s
–36° 06′ 04″ 		K2.5 V 0.65 5.31# 6.41 166.3272
±0.1065[8]
B M4 V 0.24 11.50 12.60
82 G. Eridani $[note 15] 19.7045
±0.0093 		Eri 03h 19m 55.7s
−43° 04′ 11″ 		G8 V 0.70 4.26# 5.35 165.5242
±0.0784[8] 		3
Gliese 268 A 19.7414
±0.0076 		Aur* 07h 10m 01.8s
+38° 31′ 46″ 		M4.5 V 0.226 12.05 13.14 165.2147
±0.0636[8]
B M V 0.192 12.45 13.54
Delta Pavonis$ 19.893
±0.015 		Pav 20h 08m 43.6s
−66° 10′ 55″ 		G8 IV 1.051 3.55# 4.62 163.9544
±0.1222[8]
SIMP0136§[note 16] 19.955
±0.057 		Psc 01h 36m 56.5s
+09° 33′ 47″ 		T2.5 0.012 13.25 J 14.32 J 163.4478
±0.4629[8]
2MASS 0937+2931§ 19.96
±0.22 		Leo 09h 37m 34.9s
+29° 31′ 41″ 		T7 0.040 14.65 J 15.71 J 163.39
±1.76[53]
System Star or (sub-) brown dwarf Distance
(ly (±err))[7] 		Coordinates:
RA, Dec
(Ep J2000, Eq J2000)[6] 		Stellar
class 		Mass
M☉ 		App. Abs. Parallax
(mas
(±err))
[6][note 1] 		Confirmed planets
Designation Magnitude (mV[6] or mJ)


Distant future and past encounters

[edit]
Graph of the distances of various stars from the Sun during the past 20,000 to future 80,000 years.
Distances of the nearest stars from 20,000 years ago until 80,000 years in the future
Visualisation of the orbit of the Sun (yellow dot and white curve) around the Galactic Centre (GC) in the last galactic year. The red dots correspond to the positions of the stars studied by the European Southern Observatory in a monitoring programme.[54]

Over long periods of time, the slow independent motion of stars change in both relative position and in their distance from the observer. This can cause other currently distant stars to fall within a stated range, which may be readily calculated and predicted using accurate astrometric measurements of parallax and total proper motions, along with spectroscopically determined radial velocities. Although extrapolations can be made into the past or future, they are subject to increasingly significant cumulative errors over very long periods.[2] Inaccuracies of these measured parameters make determining the true minimum distances of any encountering stars or brown dwarfs fairly difficult.[55]

One of the first stars known to approach the Sun particularly close is Gliese 710. The star, whose mass is roughly half that of the Sun, is currently 62 light-years from the Solar System. It was first noticed in 1999 using data from the Hipparcos satellite, and was estimated to pass less than 1.3 light-years (0.40 pc) from the Sun in 1.4 million years.[56] With the release of Gaia's observations of the star, it has since been refined to a much closer 0.178 light-years (0.055 pc), close enough to significantly disturb objects in the Oort cloud, which extends 1.2 light-years (0.37 pc) from the Sun.[57]

Gaia's third data release has provided updated values for many of the candidates in the table below.[58][59][60][61]

Stars that are known to have passed or will pass within 5 light-years of the Sun in the past or future[62][63][64]
Star name Minimum distance
(light-years) 		Date of approach
in thousands of years 		Current distance
(light-years) 		Stellar classification Mass in M☉ Current
apparent magnitude 		Current Constellation Current
Right ascension 		Current
Declination
Gliese 710 0.167±0.012 1296+24
−23 		62.248±0.020 K7V 0.4–0.6 9.6 Serpens 18h 19m 50.843s −01° 56′ 18.98″
HD 7977 0.478+0.104
−0.078 		−2764+28
−29 		246.74±0.60 G0V ~1.2 9.04 Cassiopeia 01h 20m 31.597s +61° 52′ 57.08″
Scholz's Star and companion brown dwarf 0.82+0.37
−0.22 		−78.5±0.7 22.2±0.2 A: M9V
B: T5 		A: 0.095
B: 0.063 		18.3 Monoceros 07h 20m 03.20s −08° 46′ 51.2″
2MASS J0628+1845 1.61+0.28
−0.24 		1720+150
−130 		272.28±0.80 M2.5V 0.28 16.2 Gemini 06h 28m 11.593s +18° 45′ 12.91″
2MASS J0805+4624 1.610+0.099
−0.092 		−363+13
−14 		238.1±1.0 M3V 0.25 17.0 Lynx 08h 05m 29.038s +46° 24′ 51.78″
CD-69 2001 1.616+0.070
−0.068 		−1907±10 332.61±0.55 K4V 0.61 11.13 Indus 21h 40m 31.514s −69° 25′ 14.58″
HD 49995 1.70+0.23
−0.20 		−4034+94
−98 		439.74±0.59 A: F3V
B: M1V 		A: 1.48
B: 0.49 		8.78 Canis Major 06h 50m 20.810s −18° 37′ 30.58″
2MASS J0621-0101 1.71+0.46
−0.39 		−3206+68
−66 		428.8±3.1 G5V 0.96 11.9 Orion 06h 21m 34.807s −01° 01′ 55.01″
LSPM J2146+3813 1.8557±0.0048 84.59±0.19 22.9858±0.0034 M5V ~0.15 10.82 Cygnus 21h 46m 22.285s +38° 13′ 03.12″
2MASS J0455+1144 1.94+0.16
−0.15 		1702+58
−54 		349.50±0.80 M0V 0.50 15.3 Orion 04h 55m 21.427s +11° 44′ 41.25″
2MASS J0734-0637 1.950±0.021 −554.6±3.3 130.66±0.12 M0V 0.50 12.9 Monoceros 07h 34m 39.097s −06° 37′ 12.21″
2MASS J1151-0313 1.98+0.20
−0.18 		1017+60
−54 		125.88±0.41 M3.5V 0.23 15.3 Virgo 11h 51m 37.434s −03° 13′ 45.24″
UCAC4 076–006432 2.042+0.034
−0.033 		−893.8+7.9
−8.0 		212.41±0.15 mid K ~0.6 12.69 Mensa 06h 34m 29.385s −74° 49′ 47.12″
2MASS J0120+4739 2.25+0.17
−0.15 		473+27
−25 		237.56±0.66 M3.5V 0.25 16.5 Andromeda 01h 20m 04.561s +47° 39′ 46.56″
TYC 6760–1510–1 2.46+0.19
−0.18 		−1708+44
−47 		102.89±0.16 M1.5V 0.58 11.5 Hydra 15h 00m 09.536s −29° 05′ 27.67″
UCAC2 15719371 2.46±0.10 −4282+70
−73 		280.80±0.26 K4V 0.66 12.58 Antlia 09h 44m 09.884s −37° 45′ 31.09″
TYC 1662–1962–1 2.637+0.055
−0.054 		−1536.6+9.0
−9.1 		286.51±0.40 Early K ~0.8 10.95 Vulpecula 21h 14m 32.911s +21° 53′ 32.76″
HD 179939 2.65±0.17 3020±25 334.32±0.88 A3V 1.7 7.23 Aquila 19h 14m 10.043s +07° 45′ 50.72″
BD-21 1529 2.701+0.059
−0.058 		−1660.1±6.3 368.48±0.56 G5V ~0.95 9.67 Canis Major 06h 37m 48.004s −21° 22′ 21.94″
2MASS J1310-1307 2.79+0.59
−0.47 		−1520+150
−190 		433.0±2.6 M2.5V 0.34 16.3 Virgo 13h 10m 30.804s −13° 07′ 33.55″
UPM J1121-5549 2.803±0.020 −282.5+1.6
−1.7 		72.498±0.029 M3V 0.29 13.5 Centaurus 11h 21m 18.136s −55° 49′ 17.77″
UCAC4 464–006057 2.812+0.052
−0.051 		932±11 101.570±0.086 Early M ~0.4 11.73 Taurus 04h 09m 02.050s +02° 45′ 38.32″
UCAC4 213–008644 2.91+0.13
−0.12 		−306+12
−13 		80.987±0.048 M5.0 0.17 16.4 Puppis 06h 21m 54.714s −47° 25′ 31.33″
GJ 3649 3.016±0.024 −520.4±3.1 54.435±0.023 M1 0.49 10.85 Leo 11h 12m 38.97s +18° 56′ 05.4″
Ross 248 3.0446±0.0077 38.500±0.096 10.3057±0.0014 M6V 0.136 12.29 Andromeda 23h 41m 54.99s +44° 10′ 40.8″
2MASS J1921-1244 3.08+0.21
−0.19 		−3490+120
−130 		376.46±0.73 K6V 0.69 12.46 Sagittarius 19h 21m 58.124s −12° 43′ 58.61″
Proxima Centauri 3.123±0.015 28.65±0.27 4.24646±0.00028 M5Ve 0.15 11.05 Centaurus 14h 29m 42.949s −62° 40′ 46.14″
TYC 9387–2515–1 3.220+0.081
−0.079 		−1509.1+8.6
−8.7 		401.96±0.54 K1V 0.86 11.45 Mensa 06h 18m 54.643s −80° 19′ 16.54″
Alpha Centauri AB 3.242±0.060 29.63+1.00
−0.98 		4.321±0.024 A: G2V
B: K1V 		A: 1.100
B: 0.907[65] 		A: -0.01
B: +1.33 		Centaurus 14h 39m 36.495s −60° 50′ 02.31″
Gliese 445 3.3400±0.0051 46.341±0.065 17.1368±0.0017 M4 0.15? 10.8 Camelopardalis 11h 47m 41.377s +78° 41′ 28.18″
2MASS J1638-6355 3.37+0.29
−0.28 		−1428+21
−22 		468.5±4.2 K2V 0.82 12.44 Triangulum Australe 16h 38m 21.759s −63° 55′ 13.16″
2MASS J0542+3217 3.43+0.75
−0.71 		5823+89
−87 		884.6±2.4 A: G4V
B: K0V 		A: 1.01
B: 0.85 		12.80 Auriga 05h 42m 38.349s +32° 17′ 29.85″
2MASS J0625-2408 3.700+0.082
−0.080 		−1874±14 534.88±0.93 K/M ~0.5 12.91 Canis Major 06h 25m 42.744s −24° 08′ 35.02″
Barnard's Star 3.7682±0.0031 11.735±0.013 5.96290±0.00044 sdM4 0.144 9.54 Ophiuchus 17h 57m 48.498s +04° 41′ 36.25″
BD+05 1792 3.965±0.040 −962.7±3.0 239.73±0.33 G2V 1.07 8.58 Gemini 07h 48m 07.037s +05° 27′ 22.51″
2MASS J2241-2759 4.05±0.16 −2810+37
−38 		411.06±0.76 K7V ~0.5 12.28 Piscis Austrinus 22h 41m 50.996s −27° 59′ 47.04″
2MASS J1724-0522 4.15+0.26
−0.25 		3058+54
−52 		489.5±1.3 K0V 0.86 12.73 Ophiuchus 17h 24m 55.056s −05° 22′ 11.45″
StKM 1–554 4.217+0.036
−0.035 		−549.9+2.9
−3.0 		151.97±0.19 M0V 0.65 12.17 Orion 05h 14m 01.871s +05° 22′ 56.26″
GJ 3379 4.227±0.024 −157.43+0.93
−0.94 		16.9861±0.0027 M3.5V 0.19 11.31 Orion 06h 00m 03.824s +02° 42′ 22.97″
2MASS J1936+3627 4.23+0.62
−0.57 		3830+120
−110 		671.6±3.4 G5.5V 0.95 12.2 Cygnus 19h 36m 57.294s +36° 27′ 57.71″
2MASS J0710+5228 4.303±0.039 507.6+3.8
−3.7 		90.949±0.050 M3V 0.33 12.52 Lynx 07h 10m 52.167s +52° 28′ 18.49″
HD 146248 4.341+0.040
−0.039 		−1141.5±3.7 334.87±0.47 G2/3IV 1.23 9.47 Triangulum Australe 16h 19m 27.875s −64° 50′ 34.38″
2MASS J1724+0355 4.37±0.12 1991+38
−37 		254.99±0.26 G8V 0.85 12.54 Ophiuchus 17h 24m 34.633s +03° 55′ 26.75″
StKM 1–1456 4.396±0.043 1240.2+6.9
−6.8 		144.934±0.095 A: K5V
B: M8V 		A: 0.81
B: 0.09 		10.58 Hercules 17h 17m 31.118s +15° 34′ 55.35″
Zeta Leporis 4.43+0.33
−0.30 		−878+42
−46 		72.81±0.40 A2Vann 2.0 3.55 Lepus 05h 46m 57.341s −14° 49′ 19.02″
Lalande 21185 4.6807±0.0055 21.973±0.033 8.30437±0.00068 M2V 0.39 7.52 Ursa Major 11h 03m 20.194s +35° 58′ 11.55″
HD 68814 4.724+0.090
−0.089 		−2242±13 259.85±0.30 G6V 0.98 9.57 Hydra 08h 13m 57.112s −04° 03′ 12.56″
2MASS J1941-4602 4.814+0.050
−0.049 		−456.5+4.1
−4.2 		66.848±0.033 M4-M6 ~0.15 12.4 Telescopium 19h 41m 53.18s −46° 02′ 31.4″
Schematic view to scale of past and future close approaches of stars to the Sun (Up to 4.5 light-years)

See also

[edit]
[edit]

Notes

[edit]
  1. ^ a b Parallaxes given by RECONS are a weighted mean of values in the sources given, as well as measurements by the RECONS program.
  2. ^ distance and magnitude statistics is relative to Earth
  3. ^ a b c d e f g h i j k l m n o p q r s t u v w x y flare star
  4. ^ a b nearest brown dwarfs
  5. ^ brightest "star" in the night sky
  6. ^ three circumstellar disks detected
  7. ^ first star (besides Sun) to have its distance measured, possible circumstellar disk
  8. ^ brightest M dwarf star in night sky, flare star
  9. ^ closest-known free-floating white dwarf, third-known white dwarf, possible debris disk
  10. ^ possible flare star
  11. ^ flare star, one suspected debris disk
  12. ^ possible flare star
  13. ^ record setting stellar flare observed
  14. ^ very small and very dim red dwarf
  15. ^ 1 dust disk detected
  16. ^ might be a rogue planet

References

[edit]
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  2. ^ a b Matthews, R. A. (1994). "The Close Approach of Stars in the Solar Neighborhood". Quarterly Journal of the Royal Astronomical Society. 35: 1. Bibcode:1994QJRAS..35....1M.
  3. ^ Bailer-Jones, C. A. L.; Rybizki, J.; Andrae, R.; Fouesnea, M. (2018). "New stellar encounters discovered in the second Gaia data release". Astronomy & Astrophysics. 616 (37): A37. arXiv:1805.07581. Bibcode:2018A&A...616A..37B. doi:10.1051/0004-6361/201833456. S2CID 56269929.
  4. ^ Hall, Shannon (28 May 2018). "Known Close Stellar Encounters Surge in Number". Sky and Telescope. Retrieved 2 June 2018.
  5. ^ de la Fuente Marcos, Raúl; de la Fuente Marcos, Carlos (2022). "An Update on the Future Flyby of Gliese 710 to the Solar System Using Gaia DR3: Flyby Parameters Reproduced, Uncertainties Reduced". Research Notes of the AAS. 6 (6): 136. Bibcode:2022RNAAS...6..136D. doi:10.3847/2515-5172/ac7b95.
  6. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd "The One Hundred Nearest Star Systems". Research Consortium on Nearby Stars (RECONS). 17 September 2007. Retrieved 6 November 2007.
  7. ^ a b From parallax.
  8. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e).
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  12. ^ a b Luhman, K. L. (2013). "Discovery of a Binary Brown Dwarf at 2 Parsecs from the Sun". The Astrophysical Journal Letters. 767 (1): L1. arXiv:1303.2401. Bibcode:2013ApJ...767L...1L. doi:10.1088/2041-8205/767/1/L1. S2CID 8419422.
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  16. ^ Benedict, G. Fritz; McArthur, Barbara E.; Gatewood, George; Nelan, Edmund; Cochran, William D.; Hatzes, Artie; Endl, Michael; Wittenmyer, Robert; Baliunas, Sallie L.; Walker, Gordon A. H.; Yang, Stephenson; Kürster, Martin; Els, Sebastian; Paulson, Diane B. (November 2006), "The extrasolar planet e Eridani b – orbit and mass", The Astronomical Journal, 132 (5): 2206–2218, arXiv:astro-ph/0610247, Bibcode:2006AJ....132.2206B, doi:10.1086/508323, S2CID 18603036.
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  19. ^ ESO. "A temperate exo-Earth around a quiet M dwarf at 3.4 parsecs" (PDF). Retrieved 15 November 2017.
  20. ^ Torres, G.; Andersen, J.; Giménez, A. (2010). "Accurate masses and radii of normal stars: modern results and applications". The Astronomy & Astrophysics Review. 18 (1–2): 67–126. arXiv:0908.2624. Bibcode:2010A&ARv..18...67T. doi:10.1007/s00159-009-0025-1. S2CID 14006009.
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  26. ^ one debris disk detected
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  46. ^ a b c Fontanive, Clémence; Bedin, Luigi R.; Albert, Loïc; Gagliuffi, Daniella C. Bardalez (21 December 2024). "The Y Dwarf Population with HST: unlocking the secrets of our coolest neighbours -- II. Parallaxes and Proper Motions". arXiv:2412.16679 [astro-ph.SR].
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  48. ^ van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600
  49. ^ Burgasser, Adam J.; Tinney, C. G.; Cushing, Michael C.; Saumon, Didier; Marley, Mark S.; Bennett, Clara S.; Kirkpatrick, J. Davy (2008). "2MASS J09393548-2448279: The Coldest and Least Luminous Brown Dwarf Binary Known?" (PDF). The Astrophysical Journal. 689 (1): L53 – L56. Bibcode:2008ApJ...689L..53B. doi:10.1086/595747.
  50. ^ a b Dupuy, Trent J.; Liu, Michael C. (2012). "The Hawaii Infrared Parallax Program. I. Ultracool Binaries and the L/T Transition". The Astrophysical Journal Supplement. 201 (2): 19. arXiv:1201.2465. Bibcode:2012ApJS..201...19D. doi:10.1088/0067-0049/201/2/19. S2CID 119256363.
  51. ^ distance uncertain. various estimates: 16.28±0.75, 17.91±0.67, 17.0±1.5, 16.26±0.76, 17.26, 19.695±0.095 ly[[Category:Articles with unsourced statements from {{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}]][citation needed]
  52. ^ Benedict, G. F.; Henry, T. J.; Franz, O. G.; McArthur, B. E.; Wasserman, L. H.; Jao, Wei-Chun; Cargile, P. A.; Dieterich, S. B.; Bradley, A. J.; Nelan, E. P.; Whipple, A. L. (2016). "The Solar Neighborhood. XXXVII. The Mass–Luminosity Relation for Main-Sequence M Dwarfs". The Astronomical Journal. 152 (5): 141. arXiv:1608.04775. Bibcode:2016AJ....152..141B. doi:10.3847/0004-6256/152/5/141. S2CID 54029447.
  53. ^ Schilbach, E.; Röser, S.; Scholz, R.-D. (2009). "Trigonometric parallaxes of ten ultracool subdwarfs". Astronomy and Astrophysics. 493 (2): L27 – L30. arXiv:0811.4136. Bibcode:2009A&A...493L..27S. doi:10.1051/0004-6361:200811281. S2CID 17774863.
  54. ^ "Milky Way Past Was More Turbulent Than Previously Known". ESO News. European Southern Observatory. 6 April 2004. After more than 1,000 nights of observations spread over 15 years, they have determined the spatial motions of more than 14,000 solar-like stars residing in the neighbourhood of the Sun.
  55. ^ See also: Stellar kinematics.
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  57. ^ Bailer-Jones, C. A. L.; Rybizki, J.; Andrae, R.; Fouesneau, M. (13 August 2018). "New stellar encounters discovered in the second data release". Astronomy & Astrophysics. 616: A37. arXiv:1805.07581. Bibcode:2018A&A...616A..37B. doi:10.1051/0004-6361/201833456. S2CID 56269929.
  58. ^ Bailer-Jones, C. A. L. (13 July 2022). "Stars that approach within one parsec of the Sun: New and more accurate encounters identified in Gaia Data Release 3". The Astrophysical Journal Letters. 935 (1): 152. arXiv:2207.06258. Bibcode:2022ApJ...935L...9B. doi:10.3847/2515-5172/ac842b. S2CID 251154282.
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  64. ^ Bobylev, Vadim; Bajkova, Anisa (29 June 2022). "Search for Close Stellar Encounters with the Solar System Based on Data from the Gaia DR3 Catalogue". Astronomy Letters. 48 (9): 542–549. arXiv:2206.14443. Bibcode:2022AstL...48..542B. doi:10.1134/S1063773722080011. S2CID 256832377.
  65. ^ "A Family Portrait of the Alpha Centauri System - VLT Interferometer Studies the Nearest Stars". European Southern Observatory. 15 March 2003. Retrieved 24 January 2011.
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