Bellatrix

Bellatrix
Die ligging van γ Orionis (omsirkel).
Sterrebeeld	Jagter
Spektraaltipe	B2 III[1]
Soort	Reusester
Waarnemingsdata (Epog J2000)
Regte klimming	05h 25m 07.86325s[2]
Deklinasie	+06° 20′ 58.9318″[2]
Skynmagnitude (m)	1,64[3] (1,59-1,64[4])
Absolute magnitude (M)	-2,78[5]
B-V-kleurindeks	-0,21[3]
U-B-kleurindeks	-0,86[3]
Besonderhede
Massa (M☉)	8,6[6]
Radius (R☉)	5,75[7]
Ligsterkte (L☉)	9,211[7]
Ouderdom (jaar)	25,2[6]
Temperatuur (K)	22 000[8]
Rotasiespoed (km/s)	46 ± 8[8]
Metaalinhoud [Fe/H]	-0,07[7]
Eienskappe
Veranderlikheid	Vermoed[4]
Ander name
γ Orionis, Amasonester,[9] 24 Ori, Al Najīd,[9] HR 1790, BD+06°919, HD 35468, SAO 112740, FK5 201, HIP 25336[10]
Portaal    Sterrekunde

Bellatrix, ook bekend as Gamma Orionis, is die derde helderste ster in die sterrebeeld Jagter (Orion); dit lê 5° wes van die rooireus Alpha Orionis (Betelgeuse). Die ster is van tussen die 1ste en 2de magnitude en is effens veranderlik. Dit is omtrent die 25ste helderste ster in die naglug.

1. ↑ Verwysingfout: Invalid <ref> tag; no text was provided for refs named araa11_29
2. ↑ ^{2,0 2,1} Verwysingfout: Invalid <ref> tag; no text was provided for refs named aaa474_2_653
3. ↑ ^{3,0 3,1 3,2} Verwysingfout: Invalid <ref> tag; no text was provided for refs named aj76_1058
4. ↑ ^{4,0 4,1} 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. Oorspronklik gepubliseer in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
5. ↑ Verwysingfout: Invalid <ref> tag; no text was provided for refs named lamers
6. ↑ ^{6,0 6,1} Verwysingfout: Invalid <ref> tag; no text was provided for refs named tetzlaff
7. ↑ ^{7,0 7,1 7,2} Verwysingfout: Invalid <ref> tag; no text was provided for refs named challouf
8. ↑ ^{8,0 8,1} Verwysingfout: Invalid <ref> tag; no text was provided for refs named aaa515_A74
9. ↑ ^{9,0 9,1} Verwysingfout: Invalid <ref> tag; no text was provided for refs named allen1963
10. ↑ Verwysingfout: Invalid <ref> tag; no text was provided for refs named SIMBAD