| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 41m 20.97707s [1] |
| Declination | +29° 29′ 14.6958″ [1] |
| Apparent magnitude (V) | 6.43 [2] (6.38/7.16) [3] |
| Characteristics | |
| Spectral type | B8IV + B9.5V [3] |
| U−B color index | −0.39 [2] |
| B−V color index | −0.11 [2] |
| Astrometry | |
| Radial velocity (Rv) | 18.00±4.3 [4] km/s |
| Proper motion (μ) |
RA: +15.94
[1]
mas/
yr Dec.: −26.95 [1] mas/ yr |
| Parallax (π) | 5.37 ± 0.81 mas [1] |
| Distance | approx. 610
ly (approx. 190 pc) |
| Details | |
| HD 37646 A | |
| Luminosity | 129 [5] L☉ |
| Temperature | 11,733 [5] K |
| Rotational velocity (v sin i) | 130 [6] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 37646 is a double star in the northern constellation of Auriga. The pair have an angular separation of 26.005 ″. [3]
- ^ a b c d e van Leeuwen, F. (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
- ^ a b c Tolbert, Charles Ray (May 1964), "A UBV Study of 94 Wide Visual Binaries", Astrophysical Journal, 139: 1105, Bibcode: 1964ApJ...139.1105T, doi: 10.1086/147852
- ^ a b c Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv: 0806.2878, Bibcode: 2008MNRAS.389..869E, doi: 10.1111/j.1365-2966.2008.13596.x, S2CID 14878976
- ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv: 1606.08053. Bibcode: 2006AstL...32..759G. doi: 10.1134/S1063773706110065. S2CID 119231169.
- ^ a b McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv: 1208.2037, Bibcode: 2012MNRAS.427..343M, doi: 10.1111/j.1365-2966.2012.21873.x, S2CID 118665352
- ^ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal, 573 (1): 359–365, Bibcode: 2002ApJ...573..359A, doi: 10.1086/340590
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 | This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it. |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 41m 20.97707s [1] |
| Declination | +29° 29′ 14.6958″ [1] |
| Apparent magnitude (V) | 6.43 [2] (6.38/7.16) [3] |
| Characteristics | |
| Spectral type | B8IV + B9.5V [3] |
| U−B color index | −0.39 [2] |
| B−V color index | −0.11 [2] |
| Astrometry | |
| Radial velocity (Rv) | 18.00±4.3 [4] km/s |
| Proper motion (μ) |
RA: +15.94
[1]
mas/
yr Dec.: −26.95 [1] mas/ yr |
| Parallax (π) | 5.37 ± 0.81 mas [1] |
| Distance | approx. 610
ly (approx. 190 pc) |
| Details | |
| HD 37646 A | |
| Luminosity | 129 [5] L☉ |
| Temperature | 11,733 [5] K |
| Rotational velocity (v sin i) | 130 [6] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 37646 is a double star in the northern constellation of Auriga. The pair have an angular separation of 26.005 ″. [3]
- ^ a b c d e van Leeuwen, F. (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
- ^ a b c Tolbert, Charles Ray (May 1964), "A UBV Study of 94 Wide Visual Binaries", Astrophysical Journal, 139: 1105, Bibcode: 1964ApJ...139.1105T, doi: 10.1086/147852
- ^ a b c Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv: 0806.2878, Bibcode: 2008MNRAS.389..869E, doi: 10.1111/j.1365-2966.2008.13596.x, S2CID 14878976
- ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv: 1606.08053. Bibcode: 2006AstL...32..759G. doi: 10.1134/S1063773706110065. S2CID 119231169.
- ^ a b McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv: 1208.2037, Bibcode: 2012MNRAS.427..343M, doi: 10.1111/j.1365-2966.2012.21873.x, S2CID 118665352
- ^ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal, 573 (1): 359–365, Bibcode: 2002ApJ...573..359A, doi: 10.1086/340590
| Stars |
| ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
|
Star clusters |
| ||||||||||||
| Nebulae |
| ||||||||||||
| |||||||||||||
| |||||||||||||
|
| This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it. |