HD 15524
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aries |
| Right ascension | 02h 30m 32.3544s |
| Declination | +25° 14′ 06.107″ |
| Apparent magnitude (V) | 5.90 (5.97 / 10.4) |
| Characteristics | |
| HD 15524 A | |
| Spectral type | F6 IV or F4 V |
| B−V color index | 0.412±0.006 |
| Astrometry | |
| Radial velocity (Rv) | −9.60±1.5 km/s |
| Proper motion (μ) | RA: +62.407±0.027 mas/yr Dec.: −75.827±0.026 mas/yr |
| Parallax (π) | 19.32±0.44 mas |
| Distance | 169 ± 4 ly (52 ± 1 pc) |
| Absolute magnitude (MV) | 2.44 |
| Details | |
| HD 15524 A | |
| Mass | 1.31 M☉ |
| Luminosity | 10.01 L☉ |
| Surface gravity (log g) | 3.92±0.14 cgs |
| Temperature | 6,665±227 K |
| Metallicity [Fe/H] | 0.11±0.05 dex |
| Rotational velocity (v sin i) | 59.8±3.0 km/s |
| Age | 1.633 Gyr |
| Other designations | |
| BD+24°358, FK5 2171, HD 15524, HIP 11670, HR 728, SAO 75407 | |
| Database references | |
| SIMBAD | data |
HD 15524 is a wide binary star in the northern zodiac constellation of Aries. Located approximately 51.76 parsecs (168.8 ly) away, the primary, a yellow-white subgiant or main sequence 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.
This system is the likely source of X-ray emission coming from these coordinates.