  | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 31m 49.09850s [1] |
| Declination | −46° 02′ 12.4311″ [1] |
| Apparent magnitude (V) | 6.048 [2] |
| Characteristics | |
| Spectral type | F8/G0Ib [3] |
| B−V color index | +0.83 [3] |
| Astrometry | |
| Radial velocity (Rv) | −29.0 [4] km/s |
| Proper motion (μ) |
RA: +1.810
[1]
mas/
yr Dec.: −3.806 [1] mas/ yr |
| Parallax (π) | 1.7610 ± 0.0460 mas [1] |
| Distance | 1,850 ± 50
ly (570 ± 10 pc) |
| Details | |
| Mass | 5.8 [1] M☉ |
| Radius | 38 [1] R☉ |
| Luminosity | 1,142 [1] L☉ |
| Surface gravity (log g) | 1.89 [1] cgs |
| Temperature | 5,305 [1] K |
| Rotational velocity (v sin i) | 9.5 [3] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 158476 is a supergiant star in the southern constellation of Ara. There is a faint magnitude 10.5 companion at an angular separation of 20.0 ″ along a position angle of 209° (as of 2013). [5]
References
- ^ a b c d e f g h i j Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211. Bibcode: 2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ Paunzen, E. (2015). "A new catalogue of Strömgren-Crawford uvbyβ photometry". Astronomy & Astrophysics. 580: A23. arXiv: 1506.04568. Bibcode: 2015A&A...580A..23P. doi: 10.1051/0004-6361/201526413. S2CID 73623700.
- ^ a b c De Medeiros, J. R.; et al. (November 2002). "A catalog of rotational and radial velocities for evolved stars. II. Ib supergiant stars". Astronomy and Astrophysics. 395: 97–98. Bibcode: 2002A&A...395...97D. doi: 10.1051/0004-6361:20021214.
- ^ 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.
- ^ Mason, B. D.; et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal, 122 (6): 3466, Bibcode: 2001AJ....122.3466M, doi: 10.1086/323920, retrieved 2015-07-22
External links
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Star clusters |
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 | This supergiant-related article is a stub. You can help Wikipedia by expanding it. |
| |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 31m 49.09850s [1] |
| Declination | −46° 02′ 12.4311″ [1] |
| Apparent magnitude (V) | 6.048 [2] |
| Characteristics | |
| Spectral type | F8/G0Ib [3] |
| B−V color index | +0.83 [3] |
| Astrometry | |
| Radial velocity (Rv) | −29.0 [4] km/s |
| Proper motion (μ) |
RA: +1.810
[1]
mas/
yr Dec.: −3.806 [1] mas/ yr |
| Parallax (π) | 1.7610 ± 0.0460 mas [1] |
| Distance | 1,850 ± 50
ly (570 ± 10 pc) |
| Details | |
| Mass | 5.8 [1] M☉ |
| Radius | 38 [1] R☉ |
| Luminosity | 1,142 [1] L☉ |
| Surface gravity (log g) | 1.89 [1] cgs |
| Temperature | 5,305 [1] K |
| Rotational velocity (v sin i) | 9.5 [3] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 158476 is a supergiant star in the southern constellation of Ara. There is a faint magnitude 10.5 companion at an angular separation of 20.0 ″ along a position angle of 209° (as of 2013). [5]
References
- ^ a b c d e f g h i j Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211. Bibcode: 2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ Paunzen, E. (2015). "A new catalogue of Strömgren-Crawford uvbyβ photometry". Astronomy & Astrophysics. 580: A23. arXiv: 1506.04568. Bibcode: 2015A&A...580A..23P. doi: 10.1051/0004-6361/201526413. S2CID 73623700.
- ^ a b c De Medeiros, J. R.; et al. (November 2002). "A catalog of rotational and radial velocities for evolved stars. II. Ib supergiant stars". Astronomy and Astrophysics. 395: 97–98. Bibcode: 2002A&A...395...97D. doi: 10.1051/0004-6361:20021214.
- ^ 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.
- ^ Mason, B. D.; et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal, 122 (6): 3466, Bibcode: 2001AJ....122.3466M, doi: 10.1086/323920, retrieved 2015-07-22
External links
| Stars |
| ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||
|
Star clusters |
| ||||||||||
| Nebulae |
| ||||||||||
| Galaxies |
| ||||||||||
|
| This supergiant-related article is a stub. You can help Wikipedia by expanding it. |