HD 15524
Binary star system in the constellation Aries / From Wikipedia, the free encyclopedia
HD 15524 is a wide binary star[3] in the northern zodiac constellation of Aries. Located approximately 51.76 parsecs (168.8 ly) away,[8] the primary, a yellow-white subgiant[4] or main sequence[5] star 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]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aries |
Right ascension | 02h 30m 32.3544s[1] |
Declination | +25° 14′ 06.107″[1] |
Apparent magnitude (V) | 5.90[2] (5.97 / 10.4)[3] |
Characteristics | |
HD 15524 A | |
Spectral type | F6 IV[4] or F4 V[5] |
B−V color index | 0.412±0.006[6] |
Astrometry | |
Radial velocity (Rv) | −9.60±1.5[7] km/s |
Proper motion (μ) | RA: +62.407±0.027[1] mas/yr Dec.: −75.827±0.026[1] mas/yr |
Parallax (π) | 19.32 ± 0.44 mas[8] |
Distance | 169 ± 4 ly (52 ± 1 pc) |
Absolute magnitude (MV) | 2.44[6] |
Details | |
HD 15524 A | |
Mass | 1.31[9] M☉ |
Luminosity | 10.01[10] L☉ |
Surface gravity (log g) | 3.92±0.14[9] cgs |
Temperature | 6,665±227[9] K |
Metallicity [Fe/H] | 0.11±0.05[11] dex |
Rotational velocity (v sin i) | 59.8±3.0[6] km/s |
Age | 1.633[9] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
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This system is the likely source of X-ray emission coming from these coordinates.[12]