HD 41534
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Columba |
| Right ascension | 06h 04m 20.2657s[1] |
| Declination | −32° 10′ 20.750″[1] |
| Apparent magnitude (V) | 5.631[1] |
| Characteristics | |
| Spectral type | B2.5V[1] |
| U−B color index | −0.82[2] |
| B−V color index | −0.19[2] |
| Astrometry | |
| Radial velocity (Rv) | 93 ± 5[1] km/s |
| Proper motion (μ) | RA: −15.62[1] mas/yr Dec.: 120.75[1] mas/yr |
| Parallax (π) | 3.01 ± 0.57[1] mas |
| Distance | approx. 1,100 ly (approx. 330 pc) |
| Absolute magnitude (MV) | −2.0[3] |
| Details | |
| Radius | 3.90[4] R☉ |
| Rotational velocity (v sin i) | 128[2] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 41534 is a B-type main sequence star in the constellation of Columba.[1] It has an apparent visual magnitude of approximately 5.631 and is approximately 1100 light-years from the Earth.[1] This star is a runaway star with an unusually high space velocity of around 190 km/s. It is thought to have been ejected from the OB association Sco OB 1 approximately 14 million years ago.[6]
References
- 1 2 3 4 5 6 7 8 9 10 11 CCDM J06043-3210AB -- Double or multiple star, database entry, SIMBAD. Accessed on line September 21, 2009.
- 1 2 3 HR 2149, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 21, 2009.
- ↑ From apparent magnitude and parallax.
- ↑ HD 41534, database entry, Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS), 3rd edition, L. E. Pasinetti-Fracassini, L. Pastori, S. Covino, and A. Pozzi, CDS ID II/224. Accessed on line September 21, 2009.
- ↑ HD 41534 is Gould's 72nd of Columba in his Uranometria Argentina. (Gould, B. A., (2009) Uranometria Argentina, (Reprinted and updated by Pilcher, F.)) Some astronomers wrongly called it as simply "72 Col".
- ↑ 72 Columbae, a B3V run-away star from the association I Scorpii, T. S. van Albada, Bulletin of the Astronomical Institutes of the Netherlands 15 (May 1961), pp. 301–305, Bibcode: 1961BAN....15..301V.
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