HD 71334
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis[1]
Right ascension 8h 25m 49.51538s[2]
Declination −29° 55′ 50.1302″[2]
Apparent magnitude (V) 7.8[3]
Characteristics
Spectral type G2.5V[4]
Astrometry
Parallax (π)26.64 ± 0.78 mas[2]
Distance122 ± 4 ly
(38 ± 1 pc)
Details
Mass0.94[3] M☉
Surface gravity (log g)4.374[3] cgs
Temperature5,701[3] K
Metallicity [Fe/H]−0.075[3] dex
Rotational velocity (v sin i)1.60±0.11[5] km/s
Age8.1[3] Gyr
Other designations
HD 71334, HIP 41317, CD−29° 6145, GJ 9263
Database references
SIMBADdata

HD 71334 is a Sun-like star 126.7 light years (38.85 parsecs) from the Sun. HD 150248 is a G-type star and an older solar analog. It is older than the sun at 8.1 billion years, compared to the sun at 4.6 billion years old. At 8.1 billion years old, HD 71334 has passed its stable burning stage. HD 71334 has a lower metallicity that the Sun. HD 71334 is found in the constellations of Puppis. Puppis is one of the 88 modern constellations recognized by the International Astronomical Union. HD 71334 has a brightness of 7.8.

Sun comparison

Chart compares the sun to HD 71334.

Identifier J2000 Coordinates Distance
(ly)		 Stellar
Class		 Temperature
(K)		 Metallicity
(dex)		 Age
(Gyr)		 Notes
Right ascension Declination
Sun — — 0.00 G2V 5,778 +0.00 4.6 [6]
HD 71334 [7] 08h 25m 49.5s −29° 55′ 50″ 124 G2.5V 5701 −0.075 8.1

See also

References

  1. ↑ "HD 71334". Sky Map. 2009. Retrieved 2016-09-26.
  2. 1 2 3 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. S2CID 18759600.
  3. 1 2 3 4 5 6 Carlos, Marília; Nissen, Poul E.; Meléndez, Jorge (2016). "Correlation between lithium abundances and ages of solar twin stars". Astronomy & Astrophysics. 587: A100. arXiv:1601.05054. Bibcode:2016A&A...587A.100C. doi:10.1051/0004-6361/201527478. S2CID 119268561.
  4. ↑ Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc-The Southern Sample". The Astronomical Journal. 132 (1): 161–170. arXiv:astro-ph/0603770. Bibcode:2006AJ....132..161G. doi:10.1086/504637. S2CID 119476992.
  5. ↑ dos Santos, Leonardo A.; et al. (August 2016), "The Solar Twin Planet Search. IV. The Sun as a typical rotator and evidence for a new rotational braking law for Sun-like stars", Astronomy & Astrophysics, 592: 8, arXiv:1606.06214, Bibcode:2016A&A...592A.156D, doi:10.1051/0004-6361/201628558, S2CID 53533614, A156.
  6. ↑ Williams, D.R. (2004). "Sun Fact Sheet". NASA. Retrieved 2009-06-23.
  7. ↑ HD 71334 at SIMBAD - Ids - Bibliography - Image.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.