66 Ophiuchi
66 Ophiuchi
Lokasi 66 Ophiuchi (dilingkari)
Data pengamatan Epos J2000 Ekuinoks J2000
Rasi bintang Ophiuchus
Asensio rekta 18j 00m 15.79825d [ 1]
Deklinasi 4° 22′ 07.0163″[ 1]
Magnitudo tampak (V) 4,60[ 2]
Ciri-ciri
Kelas spektrum B2Ve[ 3]
Indeks warna U−B-0,81[ 2]
Indeks warna B−V-0,02[ 2]
Jenis variabel γ Cas [ 4]
Astrometri Kecepatan radial (Rv ) -12,80[ 5] km/s Gerak diri (μ) RA: +1,23[ 1] mdb /thn Dek.: -12,73[ 1] mdb /thn Paralaks (π) ± 0,26[ 1] mdb Jarak 650 ± 30 tc pc ) Magnitudo mutlak (MV ) -2,51[ 6] Detail Massa 8,8[ 7] M ☉ Gravitasi permukaan (log g ) 3,69[ 8] Suhu 22.000[ 9] K Metalisitas 0.00[ 8] Kecepatan rotasi (v sin i ) 250[ 10] km /s Penamaan lain BD +04°3570,
GC 24500,
HIP 88149,
HR 6712,
HD 164284,
SAO 123005, V2048 Oph,
WDS J18003+0422AB
Referensi basis data SIMBAD data
66 Ophiuchi (66 Oph / 66 Ophiuchi) adalah bintang kelas B2 yang berada pada rasi Ophiuchus . Bintang ini berada pada jarak 676 tahun cahaya dari Bumi dan bermagnitudo 4.79.
Etimologi
Nama lainnya untuk bintang ini adalah:
Selain rasi Ophiuchus , bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut:
Referensi
1 2 3 4 5 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 . Vizier catalog entry 1 2 3 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 . ↑ Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H . 5050 . Bibcode :1995yCat.5050....0H . ↑ 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 . ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters . 32 (11): 759. arXiv :1606.08053 Bibcode :2006AstL...32..759G . doi :10.1134/S1063773706110065 . ↑ 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 . Vizier catalog entry ↑ Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society . 410 : 190. arXiv :1007.4883 Bibcode :2011MNRAS.410..190T . doi :10.1111/j.1365-2966.2010.17434.x . Vizier catalog entry 1 2 Wu, Yue; Singh, H. P.; Prugniel, P.; Gupta, R.; Koleva, M. (2010). "Coudé-feed stellar spectral library – atmospheric parameters". Astronomy & Astrophysics . 525 : A71. arXiv :1009.1491 Bibcode :2011A& A...525A..71W . doi :10.1051/0004-6361/201015014 . ↑ Hohle, M.M.; Neuhäuser, R.; Schutz, B.F. (2010). "Masses and luminosities of O- and B-type stars and red supergiants". Astronomische Nachrichten . 331 (4): 349. arXiv :1003.2335 Bibcode :2010AN....331..349H . doi :10.1002/asna.200911355 . Vizier catalog entry ↑ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (2002). "Rotational Velocities of B Stars". The Astrophysical Journal . 573 : 359. Bibcode :2002ApJ...573..359A . doi :10.1086/340590 . ↑ salah satu rasi bintang menurut bangsa Cina ↑ "Salinan arsip" . Diarsipkan dari asli tanggal 2011-01-01. Diakses tanggal 2011-01-01 .
