HD 112028

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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
BD+84° 290, HD 112028, HIP 62572, HR 4893, SAO 2102.
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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External links

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