HD 88836
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Antlia |
Right ascension | 10h 13m 56.55738s[1] |
Declination | −40° 18′ 38.7929″[1] |
Apparent magnitude (V) | 6.35[2] |
Characteristics | |
Spectral type | G8III[3] |
B−V color index | 0.94[2] |
Astrometry | |
Radial velocity (Rv) | 0.00[4] km/s |
Proper motion (μ) | RA: ±0.24 −30.81[1] mas/yr Dec.: ±0.32 −9.67[1] mas/yr |
Parallax (π) | 7.15 ± 0.41[1] mas |
Distance | 460 ± 30 ly (140 ± 8 pc) |
Details | |
Luminosity | 58[5] L☉ |
Temperature | 5,148[5] K |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
HD 88836 is a double star in the southern constellation of Antlia. With an apparent magnitude of 6.35, it is faintly visible to the naked eye from dark skies.[2] The brighter component is a giant star with a stellar classification of G8III.[3] It is radiating energy at a luminosity 58 times that of the Sun.[5] The faint companion is eight magnitudes dimmer than the primary and is located at an angular separation of 12.7″.[3]
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 Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory 4 (99), Bibcode:1966CoLPL...4...99J
- 1 2 3 Hoffleit, Dorrit (1964), Catalogue of bright stars (3rd rev. ed.), New Haven, Conn: Yale University Observatory, Bibcode:1964cbs..book.....H
- ↑ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- 1 2 3 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 Saturday, August 29, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.