HD 30453
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Auriga |
| Right ascension | 04h 49m 19.07668s[1] |
| Declination | +32° 35′ 17.4829″[1] |
| Apparent magnitude (V) | 5.86[2] |
| Characteristics | |
| Spectral type | A8m[3] |
| U−B color index | +0.14[2] |
| B−V color index | +0.24[2] |
| Astrometry | |
| Radial velocity (Rv) | 16.654±0.012[4] km/s |
| Proper motion (μ) | RA: +24.83[1] mas/yr Dec.: -32.28[1] mas/yr |
| Parallax (π) | 11.94 ± 0.49[1] mas |
| Distance | 270 ± 10 ly (84 ± 3 pc) |
| Orbit[4] | |
| Period (P) | 0508687±0.0000023 d |
| Eccentricity (e) | 0.0 |
| Periastron epoch (T) | 673.72440±0.00043 |
| Semi-amplitude (K1) (primary) |
0.442±0.017 km/s |
| Semi-amplitude (K2) (secondary) |
0.283±0.065 km/s |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 30453 (HR 1528) is a double-lined spectroscopic binary in the northern constellation of Auriga. The spectrum is that of metal-lined Am star. There is a third component at an angular separation of 0.04″.[4]
References
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