HD 30442
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Camelopardalis |
| Right ascension | 04h 52m 05.21946s[1] |
| Declination | +63° 30′ 19.5156″[1] |
| Apparent magnitude (V) | 5.41[2] |
| Characteristics | |
| Spectral type | M3IIIab[3] |
| U−B color index | +1.76[2] |
| B−V color index | +1.55[2] |
| Astrometry | |
| Radial velocity (Rv) | −37.02[4] km/s |
| Proper motion (μ) | RA: +38.24[1] mas/yr Dec.: −94.09[1] mas/yr |
| Parallax (π) | 6.54 ± 0.40[1] mas |
| Distance | 500 ± 30 ly (153 ± 9 pc) |
| Details | |
| Luminosity | 696[5] L☉ |
| Temperature | 3,669[5] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 30442 is a asymptotic giant branch[6] star in the northern constellation of Camelopardalis.
References
- 1 2 3 4 5 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
- 1 2 3 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV data. SIMBAD, Bibcode:1986EgUBV........0M
- ↑ Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society 389 (2): 869–879, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x
- ↑ Famaey, B.; et al. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics 430: 165–186. arXiv:astro-ph/0409579. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272.
- 1 2 McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x
- ↑ Eggen, O. J. (1992). "Asymptotic giant branch stars near the sun". The Astronomical Journal 104: 275. Bibcode:1992AJ....104..275E. doi:10.1086/116239.
External links
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