HD 71334

Last updated
HD 71334
Observation data
Epoch J2000       Equinox J2000
Constellation Puppis [1]
Right ascension 08h 25m 49.51557s [2]
Declination −29° 55′ 50.1338″ [2]
Apparent magnitude  (V)7.8 [3]
Characteristics
Evolutionary stage main sequence [2]
Spectral type G2.5V [4]
Astrometry
Proper motion (μ)RA: +139.242 [2] mas/yr
Dec.: −292.471 [2] mas/yr
Parallax (π)25.4904±0.0174  mas [2]
Distance 127.95 ± 0.09  ly
(39.23 ± 0.03  pc)
Absolute magnitude  (MV)4.94 [1]
Details
Mass 0.94 [3]   M☉
Radius 1.045 [2]   R☉
Luminosity 0.993 [2]   L☉
Surface gravity (log g)4.374 [3]   cgs
Temperature 5,701 [3]   K
Metallicity [Fe/H]−0.075 [3]   dex
Rotational velocity (v sin i)1.60±0.11 [5]  km/s
Age 8.1 [3]   Gyr
Other designations
HD  71334, HIP  41317, CD−29°6145, GJ  306.1, GJ 9263
Database references
SIMBAD data

HD 71334 is a Sun-like star 128 light years (39 parsecs) from the Sun. HD 71334 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.

Contents

Sun comparison

Chart compares the sun to HD 71334.

Identifier J2000 CoordinatesDistance
(ly)		 Stellar
Class 		Temperature
(K)		Metallicity
(dex)		Age
(Gyr)		Notes
Right ascension Declination
Sun ——0.00G2V5,778+0.004.6 [6]
HD 71334   [7] 08h 25m 49.5s−29° 55′ 50″124G2.5V5,701−0.0758.1

See also

References

  1. 1 2 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv: 1108.4971 . Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.
  2. 1 2 3 4 5 6 7 8 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR.
  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.


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