Omicron¹ Canis Majoris
Tampilan
Data pengamatan Epos J2000 Ekuinoks J2000 | |
---|---|
Rasi bintang | Canis Major |
Asensio rekta | 06j 54m 07,95237d[1] |
Deklinasi | −24° 11′ 03,1597″[1] |
Magnitudo tampak (V) | 3,87[2] (3,78 - 3,99[3]) |
Ciri-ciri | |
Kelas spektrum | K2.5 Iab[4] |
Indeks warna U−B | +1,99[2] |
Indeks warna B−V | +1,73[2] |
Jenis variabel | Lc[3] |
Astrometri | |
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] |
Detail | |
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 |
Penamaan lain | |
Referensi basis data | |
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
[sunting | sunting sumber]Bintang ini memiliki nama tradisional Menkelb Prior dan 軍市五 (bintang kelima pada rasi Pasar untuk Tentara[11])
Referensi
[sunting | sunting sumber]- ^ 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
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tidak sah; tidak ditemukan teks untuk ref bernamakaleromi1
- ^ salah satu rasi bintang menurut bangsa Cina