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
- ^ 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.
- ^ 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
- ^ a b c d 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
