42 Orionis

42 Orionis
	; Lingkaran merah menunjukkan lokasi 42 Orionis di rasi Orion
Data pengamatan; Epos J2000 Ekuinoks J2000
Rasi bintang	Orion
Asensio rekta	05j 35m 23.16427d
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 (Rv)	+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

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

Etimologi

Bintang ini memiliki nama Mizan Batil I atau Mizan Batil al Awwal,^[8] 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^[9]	Arab	timbangan palsu	κ Ori, ι Ori, 49 Ori, θ² Ori

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.
^ 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

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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^[1]
Deklinasi	-4° 50′ 18.0881″^[1]
Magnitudo tampak (V)	4.59^[2]
Ciri-ciri
Kelas spektrum	B1V^[3]
Indeks warna U−B	-0.94^[2]
Indeks warna B−V	-0.19^[2]
Astrometri

Kecepatan radial (R_v)	+28.40^[4] km/s
Gerak diri (μ)	RA: +4.52^[1] mdb/thn Dek.: -7.11^[1] mdb/thn
Paralaks (π)	3,69±1,20^[1] mdb
Jarak	sekitar 900 tc (sekitar 270 pc)

Detail

Massa	12.0^[5] M_☉
Suhu	25,400^[6] K
Kecepatan rotasi (v sin i)	20^[7] 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