49 Orionis
49 Orionis
Lingkaran merah menunjukkan lokasi 49 Orionis di rasi Orion
Data pengamatan Epos J2000 Ekuinoks J2000
Rasi bintang
Orion
Asensio rekta
05j 38m 53.08296d [ 1]
Deklinasi
-7° 12′ 46.1838″[ 1]
Magnitudo tampak (V)
4.80[ 2]
Ciri-ciri
Kelas spektrum
A4V[ 3]
Indeks warna U−B
+0.11[ 2]
Indeks warna B−V
+0.13[ 2]
Astrometri Kecepatan radial (Rv ) -5.30[ 4] km/s Gerak diri (μ) RA: -15.04[ 1] mdb /thn Dek.: -49.50[ 1] mdb /thn Paralaks (π) 22,42± 0,44[ 1] mdb Jarak 145 ± 3 tc (44,6 ± 0,9 pc ) Magnitudo mutlak (MV ) 1.52[ 5]
Detail Massa 2.02[ 6] M ☉ Radius 2.0[ 7] R ☉ Luminositas 22[ 6] L ☉ Gravitasi permukaan (log g ) 4.06[ 8] Suhu 8,185[ 6] K Kecepatan rotasi (v sin i ) 186[ 6] km /s
Penamaan lain d Orionis,
BD -07°1142,
GC 7039,
GJ 9187,
HIP 26563,
HR 1937,
HD 37507,
SAO 132411
Referensi basis data SIMBAD data
49 Orionis atau d Orionis merupakan salah satu bintang di rasi Orion . Bintang ini berada pada jarak 153 tahun cahaya dan bermagnitudo 4.77.
Etimologi
Bintang ini memiliki nama Mizan Batil III atau Mizan Batil ath Thaalith ,[ 9] yang berarti "timbangan ketiga yang salah" dalam bahasa Arab .
Selain rasi Orion , 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 .
↑ 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
1 2 3 4 Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars". Astronomy & Astrophysics . 537 : A120. arXiv :1201.2052 . Bibcode :2012A& A...537A.120Z . doi :10.1051/0004-6361/201117691 . Vizier catalog entry
↑ Allende Prieto, C.; Lambert, D. L. (1999). "Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures". Astronomy and Astrophysics . 352 : 555. arXiv :astro-ph/9911002 . Bibcode :1999A& A...352..555A . Vizier catalog entry
↑ David, Trevor J.; Hillenbrand, Lynne A. (2015). "The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets". The Astrophysical Journal . 804 (2): 146. arXiv :1501.03154 . Bibcode :2015ApJ...804..146D . doi :10.1088/0004-637X/804/2/146 . Vizier catalog entry
↑ http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720005197_1972005197.pdf
↑ http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Orion*.html