HD 76151

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
Distance55.8 ± 0.8 ly
(17.1 ± 0.3 pc)
Absolute magnitude (MV)4.84[3]
Details
Mass0.92 (0.88 to 1.01)[4] M
Radius0.88[5] R
Temperature5,700[4] K
Metallicity [Fe/H]−0.04[4] dex
Rotation15 days[6]
Rotational velocity (v sin i)3[4] km/s
Age6.3 (2.1 to 10.6)[4] Gyr
Other designations
BD−04 2490, GC 12307, GJ 327, HIP 43726, HR 3538, LTT 3283, NLTT 20504, PPM 191823, SAO 136389.[1]
Database references
SIMBADdata

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. 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.
  2. 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.
  3. From apparent magnitude and parallax.
  4. 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.
  5. 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.
  6. 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
  7. 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.
This article is issued from Wikipedia - version of the Wednesday, April 01, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.