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Omicron¹ Canis Majoris
ο1 Canis Majoris
Lokasi ο2 CMa (dilingkari)
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Data pengamatan
Epos J2000 Ekuinoks J2000
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| Rasi bintang
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Canis Major
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| Asensio rekta
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06j 54m 07,95237d[1]
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| Deklinasi
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−24° 11′ 03,1597″[1]
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| Magnitudo tampak (V)
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3,87[2] (3,78 - 3,99[3])
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| Ciri-ciri
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| Kelas spektrum
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K2.5 Iab[4]
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| Indeks warna U−B
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+1,99[2]
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| Indeks warna B−V
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+1,73[2]
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| Jenis variabel
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Lc[3]
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| Astrometri |
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| Kecepatan radial (Rv) | +36,3[5] km/s | | Gerak diri (μ) | RA: −3,83[1] mdb/thn
Dek.: 4,98[1] mdb/thn | | Paralaks (π) | 0,22±0,43[1] mdb | | Jarak | 610[6] pc | | Magnitudo mutlak (MV) | −4,69[4] | |
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| Detail |
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| Massa | 7,83 ± 2,0[7] M☉ | | Radius | 280[4] R☉ | | Luminositas (bolometrik) | 16.000[4] L☉ | | Gravitasi permukaan (log g) | 0,6[4] | | Suhu | 3.900[4] K | | Metalisitas [Fe/H] | −0,11[8] | | Kecepatan rotasi (v sin i) | 12,31[9] km/s | | Usia | 18[10] megatahun | |
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| Penamaan lain |
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16 Canis Majoris, HR 2580, HD 50877, CD −24°4567, HIP 33152, SAO 172542, GC 9059 |
| Referensi basis data |
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| SIMBAD | data |
Omicron¹ Canis Majoris (ο1 CMa / ο1 Canis Majoris) adalah salah satu bintang pada rasi Canis Major.
ο¹ Canis Majoris adalah bintang super raksasa jingga tipe K (orange K-type supergiant) dengan magnitudo 3.89. Bintang ini berada pada 1976 tahun cahaya dari Bumi.
Etimologi
Bintang ini memiliki nama tradisional Menkelb Prior dan 軍市五 (bintang kelima pada rasi Pasar untuk Tentara[11])
Referensi
- ^ a b c d e Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752
 . Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ a b c Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
- ^ a b Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
- ^ a b c d e f Levesque, E. M.; Massey, P.; Olsen, K. A. G.; Plez, B.; Josselin, E.; Maeder, A.; Meynet, G. (2005). "The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not as Cool as We Thought". The Astrophysical Journal. 628 (2): 973. arXiv:astro-ph/0504337 . Bibcode:2005ApJ...628..973L. doi:10.1086/430901.
- ^ Evans, D. S. (1967). "The Revision of the General Catalogue of Radial Velocities". Determination of Radial Velocities and their Applications. 30: 57. Bibcode:1967IAUS...30...57E.
- ^ Stencel, R. E.; Ueta, T.; Wall, R. J.; Yamamura, I. (2009). "Preliminary Study of Red Supergiant Star Membership in OB Star Associations of the Milky Way". AKARI. 418: 459. Bibcode:2009ASPC..418..459S.
- ^ Reffert, Sabine; Bergmann, Christoph; Quirrenbach, Andreas; Trifonov, Trifon; Künstler, Andreas (2015). "Precise radial velocities of giant stars. VII. Occurrence rate of giant extrasolar planets as a function of mass and metallicity". Astronomy & Astrophysics. 574: A116. arXiv:1412.4634 . Bibcode:2015A&A...574A.116R. doi:10.1051/0004-6361/201322360.
- ^ Marrese, P. M.; Boschi, F.; Munari, U. (2003). "High resolution spectroscopy over lambda lambda 8500-8750 Å for GAIA. IV. Extending the cool MK stars sample". Astronomy and Astrophysics. 406 (3): 995. Bibcode:2003A&A...406..995M. doi:10.1051/0004-6361:20030647.
- ^ Hekker, S.; Meléndez, J. (2007). "Precise radial velocities of giant stars". Astronomy and Astrophysics. 475 (3): 1003. arXiv:0709.1145 . Bibcode:2007A&A...475.1003H. doi:10.1051/0004-6361:20078233.
- ^ Kesalahan pengutipan: Tag
<ref> tidak sah;
tidak ditemukan teks untuk ref bernama kaleromi1
- ^ salah satu rasi bintang menurut bangsa Cina
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