28 Camelopardalis

28 Camelopardalis is a star in the northern circumpolar constellation of Camelopardalis, located around 710 light years away from the Sun.^[1] It has an apparent visual magnitude of 6.79,^[2] which is below the normal limit for visibility to the naked eye. This star is moving further from the Earth with a heliocentric radial velocity of +20 km/s.^[5] It is a probable Ap star^[3][7] with a stellar classification of A7 V^[4] and an overabundance of chromium in the spectrum.^[3]

28 Camelopardalis

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Camelopardalis
Right ascension	05h 46m 54.60612s[1]
Declination	+56° 55′ 26.1502″[1]
Apparent magnitude (V)	6.79[2]
Characteristics
Spectral type	ApCr[3] or A7 V[4]
B−V color index	0.141±0.005[2]
Astrometry
Radial velocity (Rv)	+19.7±2[5] km/s
Proper motion (μ)	RA: +9.278[1] mas/yr Dec.: -25.985[1] mas/yr
Parallax (π)	4.6006 ± 0.1994 mas[1]
Distance	710 ± 30 ly (217 ± 9 pc)
Absolute magnitude (MV)	0.13[2]
Details
Luminosity	74.04[2] L☉
Temperature	8,003[1] K
Other designations
28 Cam, BD+56°1059, HD 38129, HIP 27283, SAO 25364[6]
Database references
SIMBAD	data

References

1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
2. Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.
3. Bidelman, William P. (1988). "Miscellaneous spectroscopic notes". Astronomical Society of the Pacific. 100: 1084. Bibcode:1988PASP..100.1084B. doi:10.1086/132274.
4. Cowley, Anne Pyne; Cowley, Charles R. (June 1965), "Slit Spectra of Some Peculiar and Metallic-Line A Stars", Publications of the Astronomical Society of the Pacific, 77 (456): 184, Bibcode:1965PASP...77..184C, doi:10.1086/128190, S2CID 34476280
5. Wilson, Ralph Elmer (1953). "General catalogue of stellar radial velocities". Washington. Bibcode:1953GCRV..C......0W.
6. "28 Cam". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-04-18.
7. Renson, P.; Manfroid, J. (2009). "Catalogue of Ap, HgMn and Am stars". Astronomy and Astrophysics. 498 (3): 961. Bibcode:2009A&A...498..961R. doi:10.1051/0004-6361/200810788.