List of most massive stars
List of the most massive stars

List of most massive stars

Section Title: List of the most massive stars
Table Section Text: None

Star name	Mass (M☉, Sun = 1)	Distance from earth (ly)	Method used to estimate mass	Refs.

R136a1	315	163,000	Evolutionary model

R136c	230	163,000	Evolutionary model

BAT99-98	226	165,000	Luminosity/Atmosphere model

R136a2	195	163,000	Evolutionary model

Melnick 42	189	163,000	Luminosity/Atmosphere model

R136a3	180	163,000	Evolutionary model

Melnick 34	179	163,000	Luminosity/Atmosphere model

HD 15558 A	>152 ± 51	24,400	Binary

VFTS 682	150	164,000	Luminosity/Atmosphere model

R136a6	150	157,000	Evolutionary model

LH 10-3209 A	140	?

NGC 3603-B	132 ± 13	24,700	Luminosity/Atmosphere model

HD 269810	130	Luminosity/Atmosphere model

P871	130	?

WR 42e	125–135	25,000	Ejection in triple system

R136a4	124	157,000	Evolutionary model

NGC 3603-A1a	120	24,700	Eclipsing binary

LSS 4067	120	Evolutionary model

NGC 3603-C	113 ± 10	22,500	Luminosity/Atmosphere model

Arches-F9	111–131	25,000	Luminosity/Atmosphere model

Cygnus OB2-12	110	5,220	Luminosity/Atmosphere model

WR 25	110	10,500	Binary?

HD 93129 A	110	7,500	Luminosity/Atmosphere model

WR21a A	103.6	26,100	Binary

BAT99-33 (R99)	103	16,400	Luminosity/Atmosphere model

Arches-F1	101–119	25,000	Luminosity/Atmosphere model

Arches-F6	101–119	25,000	Luminosity/Atmosphere model

R136a5	101	157,000	Evolutionary model

η Carinae A	100–200	7,500	Luminosity/Binary	The most massive star that has a Bayer designation

Peony Star (WR 102ka)	100	26,000	Luminosity/Atmosphere model?

Cygnus OB2 #516	100	4,700	Luminosity?

Sk -68°137	99	?

R136a8	96	157,000	Evolutionary model

HST-42	95	?

P1311	94	?

Sk -66°172	94	?

R136b	93	163,000	Evolutionary model

NGC 3603-A1b	92	24,800	Eclipsing binary

HST-A3	91	?

HD 38282 B	>90	Luminosity

Cygnus OB2 #771	90	Luminosity/Atmosphere model?

HSH95 31	87	Evolutionary model

HD 93250	86.83	Luminosity/Atmosphere model

Arches-F7	86–102	25,000	Luminosity/Atmosphere model

LH 10-3061	85	?

BI 253	84

WR20a A	82.7 ± 5.5	Eclipsing binary

MACHO 05:34-69:31	82	?

WR20a B	81.9 ± 5.5	Eclipsing binary

NGC 346-3	81	?

HD 38282 A	>80	Luminosity

Arches-F15	80–97	Luminosity/Atmosphere model

Sk -71 51	80	Luminosity

Cygnus OB2-8B	80	Luminosity?

WR 148	80	?

HD 97950	80	?

Sentence(s)

At 226 M☉, BAT99-98 is the third most massive star known.

final_sentence: At 226 M☉, BAT99-98 is the third most massive star known.