HD 112028
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Camelopardalis |
| Right ascension | 12h 49m 13.58934s[1] |
| Declination | +83° 24′ 46.4198″[1] |
| Apparent magnitude (V) | 5.28[2] (5.39 + 5.88)[3] |
| Characteristics | |
| Spectral type | A1IIIsh + (A0V + A2V)[3] |
| U−B color index | −0.06[2] |
| B−V color index | −0.03[2] |
| Astrometry | |
| Radial velocity (Rv) | +2.3[4] km/s |
| Proper motion (μ) | RA: −41.33[1] mas/yr Dec.: +14.63[1] mas/yr |
| Parallax (π) | 5.59 ± 2.19[1] mas |
| Distance | approx. 600 ly (approx. 180 pc) |
| Details | |
| Luminosity | 174[5] L☉ |
| Surface gravity (log g) | 2.88±0.13[6] cgs |
| Temperature | 9,443±345[6] K |
| Metallicity [Fe/H] | −0.39±0.22[6] dex |
| Rotational velocity (v sin i) | 275[7] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 112028 is a triple star system in the northern constellation of Camelopardalis. The primary is a shell star with a stellar classification of A1IIIsh. At an angular separation of 21.47″ is a close binary star system consisting of a pair of A-type main sequence stars that orbit each other with a period of 3.287 days and an eccentricity of 0.04.[3]
References
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