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HD 158476

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HD 158476
Location of HD 158476 (circled)
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]
Distance1,850 ± 50ly
(570 ± 10pc)
Details
Mass5.8[1]M☉
Radius38[1]R☉
Luminosity1,142[1]L☉
Surface gravity(logg)1.89[1]cgs
Temperature5,305[1]K
Rotational velocity(vsini)9.5[3]km/s
Other designations
CD−45°11626,HD158476,HIP85788,HR6513,SAO228075.
Database references
SIMBADdata

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

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  1. ^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.
  2. ^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.
  3. ^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.
  4. ^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.
  5. ^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
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