G 208-44/208-45
Observation data Epoch J2000 Equinox J2000 |
Constellation |
Cygnus |
Right ascension |
19h 53m 54.492s |
Declination |
+44° 24′ 53.41″ |
Apparent magnitude (V) | 13.41 / 14.01 / 16.75 |
Characteristics |
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Spectral type | M5.5 / M6 / M5.5 |
Variable type | Suspected |
Astrometry |
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Proper motion (μ) | RA: 397 mas/yr Dec.: -482 mas/yr |
Parallax (π) | 215 ± 3.0 mas |
Distance | 15.2 ± 0.2 ly (4.65 ± 0.06 pc) |
Absolute magnitude (MV) | 15.31 / 15.72 / 18.46 |
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Details |
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Luminosity | 0.000084 / 0.000048 L☉ |
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Orbit |
Companion | G 208-44/208-45 B |
Semi-major axis (a) | 33 AU" |
Other designations |
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GJ 1245, V1581 Cyg, NLTT 48414, LHS 3494. |
Database references |
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SIMBAD | data |
G 208-44/208-45 (V1581 Cygni, GJ 1245) is a triple star system, 14 light-years away, relatively close to the Solar System. The star system contains G 208-44 A, G 208-44 B, and G 208-45. All of the stars are rather dim. It is the 42nd closest stellar system to the Solar System, located in the constellation Cygnus.[1]
References
External links
Nearest star systems |
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Star systems (including brown dwarf systems) within 30 light-years from Earth. | |
0–5 ly → |
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G V (Yellow) |
- Solar System (0 ly; 1 star, 8 planets)
- Alpha Centauri (4.365 ± 0.007 ly; 3 stars: A
- B
- C (Proxima Centauri) (4.2421 ± 0.0016 ly); 1 planet: Bb)
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← 5–10 ly → |
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A V (White) |
- Sirius (8.60 ± 0.04 ly; 2 stars)
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M V (Red dwarf) |
- Barnard's Star (5.979 ± 0.003 ly; 1 star)
- Wolf 359 (7.78 ± 0.04 ly; 1 star)
- Lalande 21185 (8.31 ± 0.01 ly; 1 star)
- Luyten 726-8 (8.73 ± 0.06 ly; 2 stars)
- Ross 154 (9.69 ± 0.06 ly; 1 star)
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Brown dwarf |
L |
- Luhman 16 (6.58 ± 0.49 ly; 2 brown dwarfs)
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← 10–15 ly → |
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F V (Yellow-white) |
- Procyon (11.46 ± 0.05 ly; 2 stars)
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G V (Yellow) |
- Tau Ceti (11.905 ± 0.007 ly; 1 star, 5? planets: b
- c
- d
- e
- f)
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K V (Orange) |
- Epsilon Eridani (10.489 ± 0.005 ly; 1 star, 1 (2?) planets: b
- c)
- 61 Cygni (11.41 ± 0.02 ly; 2 stars)
- Epsilon Indi (11.81 ± 0.01 ly; 1 star, 2 brown dwarfs, 1? planets)
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M V (Red dwarf) |
- Ross 248 (10.309 ± 0.018 ly; 1 star)
- Lacaille 9352 (10.68 ± 0.02 ly; 1 star)
- Ross 128 (10.94 ± 0.08 ly; 1 star)
- EZ Aquarii (11.27 ± 0.17 ly; 3 stars)
- Struve 2398 (11.64 ± 0.09 ly; 2 stars)
- Groombridge 34 (11.654 ± 0.025 ly; 2 stars)
- DX Cancri (11.83 ± 0.13 ly; 1 star)
- GJ 1061 (11.99 ± 0.06 ly; 1 star)
- YZ Ceti (12.12 ± 0.14 ly; 1 star)
- Luyten's Star (12.25 ± 0.03 ly; 1 star)
- Kapteyn's Star (12.76 ± 0.05 ly; 1 star)
- Lacaille 8760 (12.87 ± 0.04 ly; 1 star)
- Kruger 60 (13.05 ± 0.10 ly; 2 stars)
- Ross 614 (13.34 ± 0.05 ly; 2 stars)
- Wolf 1061 (14.00 ± 0.10 ly; 1 star)
- Gliese 1 (14.16 ± 0.06 ly; 1 star)
- Wolf 424 (14.31 ± 0.29 ly; 2 stars: A
- B)
- TZ Arietis (14.51 ± 0.19 ly; 1 star)
- Gliese 687 (14.77 ± 0.06 ly; 1 star)
- LHS 292 (14.81 ± 0.25 ly; 1 star)
- G 208-44/208-45 (14.81 ± 0.07 ly; 3 stars: A
- B
- G 208-45)
- Gliese 674 (14.81 ± 0.10 ly; 1 star, 1 planet: b)
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White dwarf |
DZ |
- van Maanen's star (14.02 ± 0.11 ly; 1 star)
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Brown dwarf |
M |
- Teegarden's star (12.57 ± 0.04 ly; 1 brown dwarf)
- SCR 1845-6357 (12.57 ± 0.05 ly; 2 brown dwarfs)
- DEN 1048-3956 (13.12 ± 0.06 ly; 1 brown dwarf)
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| T |
- WISE 1506+7027 (11.1+2.3
−1.3 ly; 1 brown dwarf)
- UGPS 0722-05 (13.43 ± 0.13 ly; 1 brown dwarf)
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| Y |
- WISE 0350-5658 (12.1+5.2
−1.3 ly; 1 brown dwarf)
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← 15–20 ly → |
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A V (White) |
- Altair (16.73 ± 0.05 ly; 1 star)
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G (Yellow) |
IV |
- Delta Pavonis (19.92 ± 0.02 ly; 1 star)
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| V |
- Sigma Draconis «Alsafi» (18.77 ± 0.02 ly; 1 star)
- Eta Cassiopeiae «Achird» (19.42 ± 0.06 ly; 2 stars)
- e (82 G.) Eridani (19.71 ± 0.02 ly; 1 star, 3 planets: b
- c
- d)
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K V (Orange) |
- Groombridge 1618 (15.89 ± 0.04 ly; 1 star)
- Omicron² (40) Eridani «Keid» (16.26 ± 0.02 ly; 3 stars)
- 70 Ophiuchi (16.58 ± 0.07 ly; 2 stars)
- Gliese 570 (19.00 ± 0.10 ly; 3 stars, 1 brown dwarf)
- 36 Ophiuchi (19.47 ± 0.07 ly; 3 stars)
- HR 7703 (19.62 ± 0.03 ly; 2 stars)
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M V (Red dwarf) |
- Gliese 876 (15.21 ± 0.04 ly; 1 star, 4 planets: d
- c
- b
- e)
- GJ 1002 (15.31 ± 0.26 ly; 1 star)
- LHS 288 (15.55 ± 0.20 ly; 1 star)
- Gliese 412 (15.81 ± 0.08 ly; 2 stars)
- AD Leonis (15.94 ± 0.22 ly; 1 star)
- Gliese 832 (16.16 ± 0.08 ly; 1 star, 1 planet: b)
- EV Lacertae (16.46 ± 0.07 ly; 1 star)
- Gliese 682 (16.60 ± 0.20 ly; 1 star)
- GJ 1116 (17.06 ± 0.23 ly; 2 stars)
- GJ 3379 (17.10 ± 0.17 ly; 1 star)
- LHS 1723 (17.36 ± 0.12 ly; 1 star)
- Gliese 445 (17.42 ± 0.15 ly; 1 star)
- Wolf 498 (17.66 ± 0.07 ly; 1 star)
- Stein 2051 (18.07 ± 0.08 ly; 2 stars)
- Gliese 251 (18.31 ± 0.15 ly; 1 star)
- Gliese 205 (18.53 ± 0.11 ly; 1 star)
- L 449-1 (18.6 ± 3.9 ly; 1 star)
- LP 816-060 (18.63 ± 0.37 ly; 1 star)
- Gliese 229 (18.77 ± 0.11 ly; 1 star, 1 brown dwarf)
- Ross 47 (19.02 ± 0.11 ly; 1 star)
- Gliese 693 (19.06 ± 0.25 ly; 1 star)
- Gliese 752 (19.08 ± 0.06 ly; 2 stars: A
- B (vB 10))
- Gliese 754 (19.28 ± 0.18 ly; 1 star)
- Gliese 588 (19.35 ± 0.15 ly; 1 star)
- GJ 1005 (19.37 ± 0.10 ly; 2 stars)
- Gliese 908 (19.41 ± 0.14 ly; 1 star)
- YZ Canis Minoris (19.51 ± 0.24 ly; 1 star)
- 2MASS J05332802-4257205 (~19.6 ly; 1 star)
- 2MASS J18450079-1409036 (~19.6 ly; 2 stars)
- Gliese 338 (19.92 ± 0.31 ly; 2 stars)
- Gliese 268 (19.96 ± 0.22 ly; 2 stars)
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White dwarf |
DQ |
- LP 145-141 (15.09 ± 0.08 ly; 1 star)
- G 240-72 (19.80 ± 0.29 ly; 1 star)
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Brown dwarf |
M |
- LP 944-020 (16.19 ± 0.35 ly; 1 brown dwarf)
- 2MASS 1835+3259 (18.48 ± 0.05 ly; 1 brown dwarf)
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| L |
- DEN 0255-4700 (16.20 ± 0.32 ly; 1 brown dwarf)
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| T |
- DEN 0817-6155 (16.1+1.1
−1.0 ly; 1 brown dwarf)
- WISE J0521+1025 (16.3 ± 4.2 ly; 1 brown dwarf)
- 2MASS 0939-2448 (17.41 ± 0.44 ly; 2 brown dwarfs)
- WISE 1741+2553 (18.1+1.6
−1.4 ly; 1 brown dwarf)
- 2MASS 1114-2618 (18.20 ± 0.14 ly; 1 brown dwarf)
- 2MASS 0415-0935 (18.62 ± 0.18 ly; 1 brown dwarf)
- 2MASS 0937+2931 (19.97 ± 0.20 ly; 1 brown dwarf)
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| Y |
- WISE 1639-6847 (16.3+1.8
−1.5 ly; 1 brown dwarf)
- WISE 0359-5401 (19.2+4.2
−2.6 ly; 1 brown dwarf)
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← 20–25 ly → |
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G (Yellow) |
IV |
- Beta Hydri (24.33 ± 0.02 ly; 1 star)
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| V |
- Xi Boötis (21.89 ± 0.07 ly; 2 stars)
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| VI |
- Mu Cassiopeiae (Marfak-West) (24.64 ± 0.15 ly; 2 stars)
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K V (Orange) |
- HR 8832 (21.34 ± 0.04 ly; 1 star)
- HR 753 (23.42 ± 0.08 ly; 3 stars)
- Gliese 667 (23.60 ± 0.12 ly; 3 stars: A
- B
- C; 5 (7?) planets: Cb
- Ch?
- Cc
- Cf
- Ce
- Cd
- Cg?)
- HD 4628 (24.31 ± 0.09 ly; 1 star)
- 107 Piscium (24.57 ± 0.09 ly; 1 star)
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M V (Red dwarf) |
- Gliese 784 (20.22 ± 0.13 ly; 1 star)
- HN Librae (20.29 ± 0.25 ly; 1 star)
- Gliese 581 (20.38 ± 0.21 ly; 1 star, 4 (6?) planets: e
- b
- c
- g?
- d
- f?)
- EQ Pegasi (20.40 ± 0.20 ly; 2 stars)
- LHS 2090 (20.8 ± 0.4 ly; 1 star)
- LHS 337 (20.8 ± 0.3 ly; 1 star)
- Furuhjelm 46 (20.9 ± 0.2 ly; 2 stars)
- G 180-060 (20.9 ± 0.6 ly; 1 star)
- V1054 Ophiuchi (21.05 ± 0.07 ly; 5 stars: Ba
- Bb
- A
- Gl 643
- C (vB 8))
- LP 71-82 (~21.2 ly; 1 star)
- G 161-71 (~21.3 ly; 1 star)
- Gliese 625 (21.3 ± 0.2 ly; 1 star)
- GJ 1128 (21.3 ± 0.4 ly; 1 star)
- GL Virginis (21.3 ± 0.4 ly; 1 star)
- LHS 3003 (21.4 ± 0.3 ly; 1 star)
- Gliese 408 (21.8 ± 0.3 ly; 1 star)
- SCR J1546−5534 (~21.9 ly; 1 star)
- Gliese 829 (21.9 ± 0.3 ly; 2 stars)
- G 41-14 (22.1 ± 0.3 ly; 3 stars)
- EE Leonis (22.2 ± 0.5 ly; 1 star)
- Gliese 880 (22.3 ± 0.2 ly; 2 stars)
- Gliese 299 (22.3 ± 0.5 ly; 1 star)
- LP 771-095 (22.7 ± 0.4 ly; 3 stars)
- GJ 1068 (22.7 ± 0.3 ly; 1 star)
- 2MASS J20360829-3607115 (~22.8 ly; 1 star)
- L 369-44 (~22.8 ly; 2 stars)
- 2MASS J18522528-3730363 (~22.8 ly; 1 star)
- G 161-7 (~22.8 ly; 2 stars)
- Gliese 809 (23.0 ± 0.1 ly; 2 stars)
- Gliese 393 (23.0 ± 0.4 ly; 1 star)
- Gliese 54 (23.1 ± 0.6 ly; 2 stars)
- SCR J0740−4257 (~23.5 ly; 1 star)
- L 43-72 (23.5 ± 4.9 ly; 1 star)
- GJ 1286 (23.6 ± 0.6 ly; 1 star)
- GJ 4063 (23.6+9.6
−5.3 ly; 1 star)
- GJ 4053 (23.7 ± 0.9 ly; 1 star)
- GJ 4274 (24.3 ± 0.9 ly; 1 star)
- GJ 3991 (24.28 ± 0.36 ly; 2 stars)
- GJ 4248 (24.29 ± 0.24 ly; 1 star)
- Gliese 109 (24.5 ± 0.4 ly; 1 star)
- GJ 1224 (24.6 ± 0.7 ly; 1 star)
- GJ 3378 (24.7 ± 0.5 ly; 1 star)
- Gliese 514 (24.97 ± 0.20 ly; 1 star)
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White dwarf |
DZ |
- LP 658-2 (20.89 ± 0.11 ly; 1 star)
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Brown dwarf |
L |
- 2MASS 1507-1627 (23.91 ± 0.11 ly; 1 brown dwarf)
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| T |
- 2MASS 1503+2525 (20.75 ± 0.29 ly; 1 brown dwarf)
- SIMP J013656.5+093347 (20.9 ± 1.0 ly; 1 brown dwarf)
- WISE 1928+2356 (~22.8 ly; 1 brown dwarf)
- WISE 0005+3737 (~23.2 ly; 1 brown dwarf)
- WISE 0049+2151 (~24.1 ly; 1 brown dwarf)
- WISE 0254+0223 (24.2+3.0
−2.4 ly; 1 brown dwarf)
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| Y |
- WISE 0146+4234 (~20.5 ly; 1 brown dwarf)
- WISE 2056+1459 (22.6+4.3
−3.1 ly; 1 brown dwarf)
- WISE 0713-2917 (~23.1 ly; 1 brown dwarf)
- WISE 0410+1502 (24.7+3.2
−2.5 ly; 1 brown dwarf)
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← 25–30 ly → |
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A V (White) |
- Vega (25.04 ± 0.07 ly; 1 star)
- Fomalhaut (25.13 ± 0.09 ly; 3 stars: A
- B (TW Piscis Austrini) (24.82 ± 0.12 ly)
- C (LP 876-10) (24.70 ± 0.22 ly); 1 planet: Ab)
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F V (Yellow-white) |
- Pi³ Orionis «Tabit» (26.2 ± 0.2 ly; 1 star)
- Chi Draconis (26.22 ± 0.11 ly; 2 stars)
- Zeta Tucanae (28.0 ± 0.2 ly; 1 star)
- Gamma Leporis (29.3 ± 0.2 ly; 2 stars)
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G (Yellow) |
IV |
- Mu Herculis (27.4 ± 0.2 ly; 4 stars)
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| V |
- Xi Ursae Majoris «Alula Australis» (27.25 ± 0.18 ly; 3 stars, 2 brown dwarfs)
- Beta Canum Venaticorum «Chara» (27.3 ± 0.2 ly; 1 star)
- 61 Virginis (27.8 ± 0.2 ly; 1 star, 3 planets: b
- c
- d)
- Chi¹ Orionis (28.3 ± 0.3 ly; 2 stars)
- 41 G. Arae (28.7 ± 0.3 ly; 2 stars)
- Beta Comae Berenices (29.9 ± 0.2 ly; 1 star)
- Kappa¹ Ceti (29.9 ± 0.2 ly; 1 star)
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| VI |
- Groombridge 1830 (29.9 ± 0.2 ly; 1 star)
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K (Orange) |
IV |
- Delta Eridani «Rana» (29.49 ± 0.06 ly; 1 star)
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| V |
- Gliese 673 (25.12 ± 0.14 ly; 1 star)
- Gliese 884 (26.6 ± 0.3 ly; 1 star)
- p Eridani (26.57 ± 0.31 ly; 2 stars)
- Gliese 250 (28.4 ± 0.3 ly; 2 stars)
- HR 1614 (28.8 ± 0.3 ly; 1 star)
- HR 7722 (28.8 ± 0.3 ly; 1 star, 2 planets: b
- c)
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M V (Red dwarf) |
- LHS 1070 (25.2 ± 0.5 ly; 3 stars)
- Gliese 701 (25.3 ± 0.3 ly; 1 star)
- GJ 1093 (25.3 ± 0.7 ly; 1 star)
- Gliese 480.1 (25.4 ± 0.8 ly; 1 star)
- SIPS 1259-4336 (25.4 ± 0.2 ly; 1 star)
- Gliese 382 (25.48 ± 0.30 ly; 1 star)
- DG Canum Venaticorum (25.9+5.5
−3.8 ly; 1 star)
- Wolf 922 (25.9 ± 0.5 ly; 2 stars)
- Gliese 300 (25.97 ± 0.20 ly; 1 star)
- SSSPM J1138-7722 (26 ± 3 ly; 1 star)
- Gliese 793 (26.08 ly; 1 star)
- 2MASS J12140866-2345172 (~26.1 ly; 1 star)
- 2MASS J19513587-3510375 (~26.1 ly; 1 star)
- SCR 0838-5855 (~26.1 ly; 1 star)
- Gliese 257 (26.2 ± 0.6 ly; 2 stars)
- Gliese 623 (26.2 ± 0.3 ly; 2 stars)
- GJ 1289 (26.4 ± 0.6 ly; 1 star)
- GJ 1105 (26.4 ± 0.7 ly; 1 star)
- Gliese 686 (26.5 ± 0.4 ly; 1 star)
- Gliese 493.1 (26.6 ± 1.0 ly; 1 star)
- Gliese 48 (26.6 ± 0.3 ly; 1 star)
- Gliese 747 (26.6 ± 0.4 ly; 2 stars)
- SCR 1138-7721 (26.7 ± 0.7 ly; 1 star)
- Gliese 486 (26.8 ± 0.6 ly; 1 star)
- GJ 1151 (26.8 ± 0.7 ly; 1 star)
- GJ 1227 (26.9 ± 0.4 ly; 1 star)
- GJ 1230 (27.0+1.7
−1.5 ly; 3 stars)
- Gliese 232 (27.2 ± 0.4 ly; 1 star)
- AP Columbae (27.4 ± 0.2 ly; 1 star)
- GJ 3146 (27.6 ± 1.7 ly; 1 star)
- GJ 1154 (27.6 ± 0.9 ly; 1 star)
- GJ 1057 (27.6 ± 0.9 ly; 1 star)
- Gliese 618 (27.6 ± 0.6 ly; 2 stars)
- GJ 3076 (27.6+6.0
−4.2 ly; 1 star)
- SCR 0640-0552 (~27.7 ly; 1 star)
- HD 32450 (27.8 ± 0.4 ly; 2 stars)
- Gliese 450 (27.9 ± 0.3 ly; 1 star)
- Gliese 877 (28.1 ± 0.3 ly; 1 star)
- Gliese 745 (28.1 ± 0.6 ly; 2 stars)
- Gliese 867 (28.2 ± 0.4 ly; 2 stars)
- GJ 3454 (28.2 ± 0.2 ly; 2 stars)
- SCR 0630-7643 (28.6 ± 0.5 ly; 2 stars)
- HU Delphini (28.6 ± 0.5 ly; 2 stars)
- LDS 169 (28.6 ± 0.8 ly; 2 stars)
- Gliese 849 (28.6 ± 0.5 ly; 1 star, 2 planets: b
- c)
- GJ 1103 (28.7 ± 0.8 ly; 2 stars)
- GJ 1207 (28.8 ± 0.4 ly; 1 star)
- Gliese 465 (29.0 ± 0.7 ly; 1 star)
- GJ 1277 (29.0 ± 4.6 ly; 1 star)
- GJ 3128 (29.1 ± 0.5 ly; 1 star)
- V374 Pegasi (29.1 ± 0.9 ly; 1 star)
- Gliese 357 (29.3 ± 0.5 ly; 1 star)
- Gliese 595 (29.4 ± 3.5 ly; 1 star)
- Gliese 433 (29.5 ± 0.5 ly; 1 star, 2 planets: b
- c)
- Gliese 424 (29.7 ± 0.3 ly; 1 star)
- GJ 3801 (29.7 ± 0.9 ly; 1 star)
- GJ 2066 (29.9 ± 0.5 ly; 1 star)
- LHS 224 (29.9 ± 0.8 ly; 2 stars)
- SCR 1826-6542 (~30 ly; 1 star)
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White dwarf |
DA |
- G 99-47 (26.1 ± 0.8 ly; 1 star)
- WD 2359-434 (26.7 ± 0.3 ly; 1 star)
- Gliese 318 (28.7 ± 0.5 ly; 1 star)
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| DC |
- L 97-12 (25.83 ± 0.27 ly; 1 star)
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| DQ |
- LHS 1126 (29.5 ± 0.3 ly; 1 star)
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| DZ |
- Wolf 489 (26.9 ± 0.8 ly; 1 star)
- LP 701-29 (27.9 ± 0.2 ly; 1 star)
- L 745-46 (29.7 ± 0.2 ly; 2 stars)
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Brown dwarf |
M |
- DENIS 0334-49 (27.04 ± 0.83 ly; 1 brown dwarf)
- GJ 3517 (27.8 ± 0.4 ly; 1 brown dwarf)
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| L |
- WISE 0607+2429 (25.4+4.6
−3.9 ly; 1 brown dwarf)
- 2MASS 0835-08 (27.9+2.9
−2.4 ly; 1 brown dwarf)
- WISE 1647+5632 (28.1+9.4
−5.6 ly; 1 brown dwarf)
- 2MASS 0036+1821 (28.6 ± 0.2 ly; 1 brown dwarf)
- WISE 1800+0134 (28.7 ± 3.3 ly; 1 brown dwarf)
- 2MASS J04390101-2353083 (29.5 ± 1.1 ly; 1 brown dwarf)
- SDSS J1416+1348 (29.7 ± 0.3 ly; 2 brown dwarfs)
- 2MASS J16452211-1319516 (29.7 ± 1.7 ly; 1 brown dwarf)
- 2MASS J03552337+1133437 (29.8+0.4
−0.3 ly; 1 brown dwarf)
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| T |
- 2MASS 0348-6022 (~25.4 ly; 1 brown dwarf)
- 2MASS 0729-39 (25.8 ± 1.8 ly; 1 brown dwarf)
- UGPS J0521+3640 (26.7+3.9
−3.2 ly; 1 brown dwarf)
- WISE 0313+7807 (~28.0 ly; 1 brown dwarf)
- 2MASS 0727+1710 (29.0 ± 0.2 ly; 1 brown dwarf)
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| Y |
- WISE 1405+5534 (25.3+4.4
−3.2 ly; 1 brown dwarf)
- WISE 2220-3628 (~26.4 ly; 1 brown dwarf)
- WISE 0647-6232 (28.4+3.3
−2.7 ly; 1 brown dwarf)
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In left column are stellar classes of primary members of star systems. Bold are systems containing at least one component with absolute magnitude of +8.5 or brighter. Italic are systems without known trigonometric parallax. |
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