62 Arietis: Difference between revisions
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{{Short description|Star in the constellation Aries}} |
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| journal=[[Monthly Notices of the Royal Astronomical Society]] |
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| volume=389 | issue=2 | pages=869–879 | date=September 2008 |
| volume=389 | issue=2 | pages=869–879 | date=September 2008 |
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| doi=10.1111/j.1365-2966.2008.13596.x | postscript=. |
| doi=10.1111/j.1365-2966.2008.13596.x | doi-access=free | postscript=. |
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| bibcode=2008MNRAS.389..869E | arxiv=0806.2878 | s2cid=14878976 }}</ref> |
| bibcode=2008MNRAS.389..869E | arxiv=0806.2878 | s2cid=14878976 }}</ref> |
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{{Stars of Aries}} |
{{Stars of Aries}} |
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{{DEFAULTSORT:62 Arietis}} |
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[[Category:G-type giants]] |
[[Category:G-type giants]] |
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[[Category:Horizontal-branch stars]] |
[[Category:Horizontal-branch stars]] |
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[[Category:Henry Draper Catalogue objects|020825]] |
[[Category:Henry Draper Catalogue objects|020825]] |
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[[Category:Hipparcos objects|015696]] |
[[Category:Hipparcos objects|015696]] |
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[[Category: |
[[Category:Bright Star Catalogue objects|1012]] |
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Latest revision as of 12:48, 22 August 2024
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aries |
| Right ascension | 03h 22m 11.89351s[1] |
| Declination | +27° 36′ 27.1911″[1] |
| Apparent magnitude (V) | 5.52[2] |
| Characteristics | |
| Evolutionary stage | horizontal branch |
| Spectral type | G5 III[3] |
| B−V color index | 1.100±0.015[4] |
| Astrometry | |
| Radial velocity (Rv) | 7.0±0.3[4] km/s |
| Proper motion (μ) | RA: +5.874[1] mas/yr Dec.: −14.102[1] mas/yr |
| Parallax (π) | 4.7394 ± 0.1128 mas[1] |
| Distance | 690 ± 20 ly (211 ± 5 pc) |
| Absolute magnitude (MV) | −1.57[4] |
| Details[5] | |
| Mass | 3.74+0.38 −0.21 M☉ |
| Radius | 35.27+2.81 −3.81 R☉ |
| Luminosity | 533.48 L☉ |
| Surface gravity (log g) | 1.92+0.07 −0.08 cgs |
| Temperature | 4,665+30 −31 K |
| Metallicity [Fe/H] | −0.17[6] dex |
| Rotational velocity (v sin i) | 9.43[6] km/s |
| Age | 219+38 −53 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
62 Arietis is a single[3] star in the northern constellation of Aries, a few degrees to the north of Tau Arietis. 62 Arietis is the Flamsteed designation. It is visible to the naked eye as a dim, yellow-hued star with an apparent visual magnitude of 5.52.[2] Based upon an annual parallax shift of 4.7±0.1 mas,[1] it is approximately 690 light-years (210 parsecs) distant from the Earth.
This object is an aging giant star with a stellar classification of G5 III,[3] most likely (96% chance) on the horizontal branch.[5] Having exhausted the supply of hydrogen at its core, the star has expanded to 35 times the Sun's radius. It is around 219 million years old with 3.7 times the mass of the Sun. The star is radiating 533 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,665 K.[5]
Chinese name
[edit]In Chinese astronomy, 62 Arietis is called 天阿, Pinyin: Tiānhé, meaning Celestial River, because this star is marking itself and stand alone in Celestial River asterism, Hairy Head mansion (see : Chinese constellation).[8] 天阿 (Tiānhé) is westernized into Teen Ho, but according to another opinion about this asterism, Teen Ho is asterism consisting four stars in Aries.[9]
Another "Tiānhé" (Celestial River) in Tail mansion, is asterism consisting the stars in Ophiuchus[10]
References
[edit]- ^ a b c d e f Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ a b Rybka, E. (1969), "The corrected magnitudes and colours of 278 stars near S.A. 1-139 in the UBV system", Acta Astronomica, 19: 229, Bibcode:1969AcA....19..229R.
- ^ a b c 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, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x, S2CID 14878976.
- ^ a b c 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, S2CID 119257644.
- ^ a b c Stock, S.; et al. (August 2018), "Precise radial velocities of giant stars. X. Bayesian stellar parameters and evolutionary stages for 372 giant stars from the Lick planet search", Astronomy & Astrophysics, 616: 15, arXiv:1805.04094, Bibcode:2018A&A...616A..33S, doi:10.1051/0004-6361/201833111, S2CID 119361866, A33.
- ^ a b Hekker, S.; Meléndez, J. (2007), "Precise radial velocities of giant stars. III. Spectroscopic stellar parameters", Astronomy and Astrophysics, 475 (3): 1003, arXiv:0709.1145, Bibcode:2007A&A...475.1003H, doi:10.1051/0004-6361:20078233, S2CID 10436552.
- ^ "62 Ari". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-06-03.
- ^ zh:白羊座
- ^ Richard Hinckley Allen: Star Names — Their Lore and Meaning: Aries
- ^ zh:蛇夫座
