HD 15524

HD 15524

Observation data Epoch J2000      Equinox J2000
Constellation	Aries
Right ascension	02^h 30^m 32.35495^s[1]
Declination	+25° 14′ 06.1313″[1]
Apparent magnitude (V)	5.90[2]
Characteristics
A
Spectral type	F6IV[2]
Apparent magnitude (V)	5.97[3]
B−V color index	0.37
B
Apparent magnitude (V)	10.4[3]
Astrometry
Radial velocity (Rv)	-9.60 ± 1.5[4] km/s
Proper motion (μ)	RA: 62.71 ± 0.36[1] mas/yr Dec.: -73.04 ± 0.34[1] mas/yr
Parallax (π)	19.32 ± 0.44[1] absmag_v=2.33 mas
Distance	169 ± 4 ly (52 ± 1 pc)
Other designations
BD+24° 358, HIP 11670, SAO 75407, FK5 2171, HR 728.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD	data

HD 15524 is a binary star^[3] in the constellation Aries. Located approximately 51.76 parsecs (168.8 ly) away,^[1] the primary, a white subgiant^[2] has an apparent magnitude of 5.97, meaning that it can be viewed with the naked eye under good conditions. The secondary, separated from the primary by 12.4 arcseconds, has an apparent magnitude of 10.4.^[3]

References

1. 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.
2. "HR 728". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 16 October 2014.
3. Eggleton, P. P.; Tokovinin, A. A. (2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x.
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. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.