HD 76151
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Hydra |
| Right ascension | 08h 54m 17.9475s[1] |
| Declination | −05° 26′ 04.054″[1] |
| Apparent magnitude (V) | 6.00[1] |
| Characteristics | |
| Spectral type | G3V[1] |
| U−B color index | +0.22[2] |
| B−V color index | +0.67[2] |
| R−I color index | +0.21[2] |
| Astrometry | |
| Radial velocity (Rv) | 28 ± 5[1] km/s |
| Proper motion (μ) | RA: −413.13[1] mas/yr Dec.: 30.44[1] mas/yr |
| Parallax (π) | 58.50 ± 0.88[1] mas |
| Distance | 55.8 ± 0.8 ly (17.1 ± 0.3 pc) |
| Absolute magnitude (MV) | 4.84[3] |
| Details | |
| Mass | 0.92 (0.88 to 1.01)[4] M☉ |
| Radius | 0.88[5] R☉ |
| Temperature | 5,700[4] K |
| Metallicity [Fe/H] | −0.04[4] dex |
| Rotation | 15 days[6] |
| Rotational velocity (v sin i) | 3[4] km/s |
| Age | 6.3 (2.1 to 10.6)[4] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 76151 is a G-type main sequence star in the constellation of Hydra.[1] It has an apparent visual magnitude of approximately 6.00.[1]
An infrared excess has been detected around this star, most likely indicating the presence of a circumstellar disk at a radius of 7.9 AU. The temperature of this dust is 99 K.[7]
References
- 1 2 3 4 5 6 7 8 9 10 11 LTT 3283 -- High proper-motion Star, database entry, SIMBAD. Accessed on line January 20, 2011.
- 1 2 3 HR 3538, 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 January 20, 2011.
- ↑ From apparent magnitude and parallax.
- 1 2 3 4 5 HD 76151, database entry, The Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line January 20, 2011.
- ↑ HD 76151, 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 January 20, 2011.
- ↑ Maldonado, J.; et al. (October 2010), "A spectroscopy study of nearby late-type stars, possible members of stellar kinematic groups", Astronomy and Astrophysics, 521: A12, arXiv:1007.1132
, Bibcode:2010A&A...521A..12M, doi:10.1051/0004-6361/201014948 - ↑ Eiroa, C.; et al. (July 2013). "DUst around NEarby Stars. The survey observational results". Astronomy & Astrophysics. 555: A11. arXiv:1305.0155. Bibcode:2013A&A...555A..11E. doi:10.1051/0004-6361/201321050.
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