Beta Indi
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Indus |
| Right ascension | 20h 54m 48.6031s[1] |
| Declination | −58° 27′ 14.957″[1] |
| Apparent magnitude (V) | 3.658[1] |
| Characteristics | |
| Spectral type | K1II[1] |
| U−B color index | +1.23[2] |
| B−V color index | +1.25[2] |
| Astrometry | |
| Radial velocity (Rv) | −4.9 ± 0.9[1] km/s |
| Proper motion (μ) | RA: 21.06[1] mas/yr Dec.: −24.75[1] mas/yr |
| Parallax (π) | 5.41 ± 0.73[1] mas |
| Distance | approx. 600 ly (approx. 180 pc) |
| Absolute magnitude (MV) | −2.7[3] |
| Details | |
| Radius | 12[4] R☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
Beta Indi (Beta Ind, β Indi, β Ind) is a K-type bright giant star in the constellation of Indus.[1] It has an apparent visual magnitude of approximately 3.658.[1]
β Indi has a visual companion, CCDM J20548-5827B, with an apparent visual magnitude of approximately 12.5.
References
- 1 2 3 4 5 6 7 8 9 10 11 * bet Ind -- Star in double system, database entry, SIMBAD. Accessed on line September 23, 2008.
- 1 2 HR 7986, 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 23, 2008.
- ↑ From apparent magnitude and parallax.
- ↑ HD 198700, 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 23, 2008.
| ||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Thursday, March 05, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.