HD 126009
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 22m 14.00145s[1] |
| Declination | +29° 22′ 11.7169″[1] |
| Apparent magnitude (V) | 6.6[2] |
| Characteristics | |
| Spectral type | M3III[3] |
| U−B color index | +1.46[2] |
| B−V color index | +1.60[2] |
| Variable type | Irregular[4] |
| Astrometry | |
| Radial velocity (Rv) | −19.66±0.54[5] km/s |
| Proper motion (μ) | RA: -38.37[1] mas/yr Dec.: -25.87[1] mas/yr |
| Parallax (π) | 4.23 ± 0.47[1] mas |
| Distance | approx. 770 ly (approx. 240 pc) |
| Details | |
| Luminosity | 1,875[6] L☉ |
| Temperature | 3,387[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 126009 or CI Boötis is a variable star[3] in the northern constellation of Boötes.
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- 1 2 3 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV data.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
- 1 2 Tabur, V.; Bedding, T. R. (2009), "Long-term photometry and periods for 261 nearby pulsating M giants", Monthly Notices of the Royal Astronomical Society 400 (4): 1945–61, arXiv:0908.3228, Bibcode:2009MNRAS.400.1945T, doi:10.1111/j.1365-2966.2009.15588.x
- ↑ Mennessier, M. O.; et al. (August 2001), "Long period variable stars: galactic populations and infrared luminosity calibrations", Astronomy and Astrophysics 374: 968–979, arXiv:astro-ph/0105552, Bibcode:2001A&A...374..968M, doi:10.1051/0004-6361:20010764.
- ↑ Famaey, B.; et al. (2009). "Spectroscopic binaries among Hipparcos M giants,. I. Data, orbits, and intrinsic variations". Astronomy and Astrophysics 498 (2): 627–640. arXiv:0901.0934. Bibcode:2009A&A...498..627F. doi:10.1051/0004-6361/200810698.
- 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
External links
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Friday, August 14, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.