HD 158476
Appearance
Observation data EpochJ2000EquinoxJ2000 | |
---|---|
Constellation | Ara |
Right ascension | 17h31m49.09850s[1] |
Declination | −46° 02′ 12.4311″[1] |
Apparent magnitude(V) | 6.048[2] |
Characteristics | |
Spectral type | F8/G0Ib[3] |
B−Vcolor 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 ± 0.0460mas[1] |
Distance | 1,850 ± 50ly (570 ± 10pc) |
Details | |
Mass | 5.8[1]M☉ |
Radius | 38[1]R☉ |
Luminosity | 1,142[1]L☉ |
Surface gravity(logg) | 1.89[1]cgs |
Temperature | 5,305[1]K |
Rotational velocity(vsini) | 9.5[3]km/s |
Other designations | |
Database references | |
SIMBAD | data |
HD 158476is asupergiantstar in the southernconstellationofAra.There is a faint magnitude 10.5 companion at anangular separationof 20.0″along aposition angleof 209° (as of 2013).[5]
References
[edit]- ^abcdefghijVallenari, A.; et al. (Gaia collaboration) (2023)."GaiaData 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.S2CID244398875. Gaia DR3 record for this sourceatVizieR.
- ^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.S2CID73623700.
- ^abcDe 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.S2CID119231169.
- ^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,retrieved2015-07-22