HD 99922
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Canis Major |
| HD 99922 A | |
| Right ascension | 11h 29m 38.612s |
| Declination | −24° 27′ 50.52″ |
| Apparent magnitude (V) | 5.813 |
| HD 99922 B | |
| Right ascension | 11h 29m 39.209s |
| Declination | −24° 27′ 49.24″ |
| Apparent magnitude (V) | 8.543 |
| Characteristics | |
| HD 99922 A | |
| Spectral type | A0V |
| B−V color index | +0.07 |
| Astrometry | |
| HD 99922 A | |
| Radial velocity (Rv) | -2.50 km/s |
| Proper motion (μ) |
RA: -56.4 mas/yr Dec.: 9.7 mas/yr |
| Parallax (π) | 7.32 ± 0.61mas |
| Distance | 450 ± 40 ly (140 ± 10 pc) |
| HD 99922 B | |
| Proper motion (μ) |
RA: -49.7 mas/yr Dec.: 19.4 mas/yr |
| Other designations | |
| HD 99922 A: SAO 179935 | |
| HD 99922 B: SAO 179936 | |
| Database references | |
| SIMBAD | AB |
| A | |
| B | |
HD 99922 is a double star system in the constellation of Crater. It shines with a apparent visual magnitude of 5.77 from a distance of about 450 light years (140 parsecs) away from the Earth. The primary star is a A-type main sequence star; the secondary star is located about 8 arcseconds away.
Other designations include HR 4428 and HIP 56078.
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