HD 158476 - Misplaced Pages

Star in the constellation Ara

HD 158476
Observation data Epoch J2000 Equinox J2000
Location of HD 158476 (circled)
Constellation	Ara
Right ascension	17 31 49.09850
Declination	−46° 02′ 12.4311″
Apparent magnitude (V)	6.048
Characteristics
Spectral type	F8/G0Ib
B−V color index	+0.83
Astrometry

Radial velocity (R_v)	−29.0 km/s
Proper motion (μ)	RA: +1.810 mas/yr Dec.: −3.806 mas/yr
Parallax (π)	1.7610 ± 0.0460 mas
Distance	1,850 ± 50 ly (570 ± 10 pc)

Details

Mass	5.8 `M`_☉
Radius	38 `R`_☉
Luminosity	1,142 `L`_☉
Surface gravity (log g)	1.89 cgs
Temperature	5,305 K
Rotational velocity (v sin i)	9.5 km/s

Other designations
CD−45°11626, HD 158476, HIP 85788, HR 6513, SAO 228075.
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).

References

^ 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.
^ 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

Bayer	α (Choo/Tchou) β γ δ ε ε ζ (Tseen Yin) η θ ι κ λ μ (Cervantes) ν (V539) ν π ρ ρ σ
Variable	R S OY V626 V821 V828 V829 V854 V862 V872
HR	6177 6187 6207 6236 6251 6253 6297 6300 6312 6323 6408 6416 (41 G.) 6423 6438 6477 6478 6483 6487 6513 6759
HD	152079 153201 154672 154857 156411 (Inquill)
Other	2MASS J18082002−5104378 CXOU J164710.2−455216 Gliese 674 Gliese 676 IRAS 16594-4656 SAO 244567 SGR 1627−41 Westerlund 1-20 Westerlund 1 W26 Westerlund 1-75 Westerlund 1-237 Westerlund 1-243 XTE J1650−500

Exoplanets	Gliese 674 b HD 154672 b HD 154857 b c HD 156411 b μ Arae b c d e

NGC	6193 6200 6204 6208 6250 6352 6362 6397
Other	ESO 280-SC06 IC 4651 Westerlund 1

NGC	6188 6326
Other	Stingray Nebula Water Lily Nebula

NGC	6215 6221 6300 6328