Astronomy:HD 130917
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Short description: White-hued main sequence star in the constellation Boötes
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 49m 58.39878s[1] |
| Declination | +28° 36′ 56.9950″[1] |
| Apparent magnitude (V) | 5.80[2] |
| Characteristics | |
| Spectral type | A4V[3] |
| U−B color index | 0.08[4] |
| B−V color index | 0.05[4] |
| Astrometry | |
| Radial velocity (Rv) | +1.4±4.3[2] km/s |
| Proper motion (μ) | RA: +18.65[1] mas/yr Dec.: −0.59[1] mas/yr |
| Parallax (π) | 10.16 ± 0.35[1] mas |
| Distance | 320 ± 10 ly (98 ± 3 pc) |
| Details | |
| Radius | 1.5[5] R☉ |
| Luminosity | 35[6] L☉ |
| Temperature | 8,201[6] K |
| Rotational velocity (v sin i) | 222[7] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 130917 is a single star[8] in the northern constellation of Boötes. It is an A-type main sequence star with a stellar classification of A4V.[2] At an apparent magnitude of 5.80,[2] it is visible to the naked eye.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. doi:10.1051/0004-6361:20078357. Bibcode: 2007A&A...474..653V.
- ↑ 2.0 2.1 2.2 2.3 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. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ Cowley, A. et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal 74: 375–406, doi:10.1086/110819, Bibcode: 1969AJ.....74..375C
- ↑ 4.0 4.1 Osawa, Kiyoteru (July 1959), "Spectral Classification of 533 B8-A2 Stars and the Mean Absolute Magnitude of a0 V Stars", Astrophysical Journal 130: 159, doi:10.1086/146706, Bibcode: 1959ApJ...130..159O
- ↑ Pasinetti-Fracassini, L. E. et al. (February 2001), "Catalogue of Stellar Diameters (CADARS)", Astronomy and Astrophysics 367: 521–524, doi:10.1051/0004-6361:20000451, Bibcode: 2001A&A...367..521P
- ↑ 6.0 6.1 McDonald, I. et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society 427 (1): 343–57, doi:10.1111/j.1365-2966.2012.21873.x, Bibcode: 2012MNRAS.427..343M
- ↑ Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics 463 (2): 671–682, doi:10.1051/0004-6361:20065224, Bibcode: 2007A&A...463..671R
- ↑ 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, doi:10.1111/j.1365-2966.2008.13596.x, Bibcode: 2008MNRAS.389..869E
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