42 Orionis atau c Orionis merupakan salah satu bintang di rasi Orion Bintang ini berada pada jarak 786 tahun cahaya dan

42 Orionis atau c Orionis merupakan salah satu bintang di rasi Orion. Bintang ini berada pada jarak 786 tahun cahaya dan bermagnitudo 4.58.

42 Orionis
Data pengamatan Epos J2000 Ekuinoks J2000
Lingkaran merah menunjukkan lokasi 42 Orionis di rasi Orion
Rasi bintang	Orion
Asensio rekta	05^j 35^m 23.16427^d
Deklinasi	-4° 50′ 18.0881″
Magnitudo tampak (V)	4.59
Ciri-ciri
Kelas spektrum	B1V
Indeks warna U−B	-0.94
Indeks warna B−V	-0.19
Astrometri

Kecepatan radial (R_v)	+28.40 km/s
Gerak diri (μ)	RA: +4.52 mdb/thn Dek.: -7.11 mdb/thn
Paralaks (π)	3,69±1,20 mdb
Jarak	sekitar 900 tc (sekitar 270 pc)

Detail

Massa	12.0 M_☉
Suhu	25,400 K
Kecepatan rotasi (v sin i)	20 km/s

Penamaan lain
c Orionis, BD-04°1185, CCDM J05354-0450AB, GC 6934, HIP 26237, HR 1892, HD 37018, NSV 2318, SAO 132320, WDS J05354-0450AB
Referensi basis data
SIMBAD	data

Etimologi sunting

Bintang ini memiliki nama Mizan Batil I atau Mizan Batil al Awwal, yang berarti "timbangan pertama yang salah" dalam bahasa Arab.

Selain rasi Orion, bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut:

nama rasi / asterisma / kelompok	asal	arti	anggota lainnya
Al Mīzān al Baṭīl	Arab	timbangan palsu	κ Ori, ι Ori, 49 Ori, θ² Ori

Referensi sunting

^ 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
^ 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.
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
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.
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

Artikel bertopik bintang ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya.

[vanLeeuwen2007-1] 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

[Ducati2002-2] 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.

[Hoffleit1991-3] 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.

[Gontcharov2006-4] 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.

[Tetzlaff2011-5] 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

[Hohle2010-6] 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

[Abt2002-7] 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.

[8] ttp://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720005197_1972005197.pdf

[sb1-9] ttp://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Orion*.html