|
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) | 5,01±0,26[1] mdb | | Jarak | 650 ± 30 tc
(200 ± 10 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 [Fe/H] | 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
- ^ 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. Vizier catalog entry
- ^ 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.
- ^ 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
- ^ a b 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 versi asli tanggal 2011-01-01. Diakses tanggal 2011-01-01.
|
|
