As of 2026-10-12, WR 102ka tops the list with --9,223,372,036,854,775,808 kg.
- #1 WR 102ka — --9,223,372,036,854,775,808 kg
star in the constellation Sagittarius
WR 102ka, also known as the Peony Star, is a slash star that is one of several candidates for the most luminous-known star in the Milky Way. Read more on Wikipedia.
Wikidata - #2 HD 37974 — --9,223,372,036,854,775,808 kg
star in the constellation Dorado
HD 37974 a variable B[e] hypergiant in the Large Magellanic Cloud. It is surrounded by an unexpected dust disk. Read more on Wikipedia.
Wikidata - #3 HD 150136 — --9,223,372,036,854,775,808 kg
binary star in the constellation Ara
HD 150136 is a multiple star system in the southern constellation of Ara, around 4,300 light years away. It is the brightest member of the faint open cluster NGC 6193, part of the Ara OB1 association. Read more on Wikipedia.
Wikidata - #4 HD 5980 — --9,223,372,036,854,775,808 kg
triple star system in the constellation Tucana
HD 5980 is a multiple star system on the outskirts of NGC 346 in the Small Magellanic Cloud (SMC) and is one of the brightest stars in the SMC. Read more on Wikipedia.
Wikidata - #5 HD 159176 — --9,223,372,036,854,775,808 kg
star
HD 159176, also known as Boss 4444 and V1036 Scorpii, is a variable star about 2,800 light years from the Earth, in the constellation Scorpius. It is a 5th magnitude star, so it should be visible to the naked eye of an observer far from city lights. HD 159176 is the brightest star in the young open cluster NGC 6383. It is a binary star composed of two nearly identical O stars in a circular orbit. Read more on Wikipedia.
Wikidata - #6 Alpha Camelopardalis — --9,223,372,036,854,775,808 kg
star in the constellation Camelopardalis
Alpha Camelopardalis is a blue hued star in the northern constellation of Camelopardalis. Its name is a Bayer designation that is Latinized from α Camelopardalis, and abbreviated Alpha Cam or α Cam. With an apparent visual magnitude of 4.3, it is visible to the naked eye as the third-brightest star in this not-very-prominent circumpolar constellation; the first and second-brightest stars being Beta Camelopardalis and CS Camelopardalis, respectively. Read more on Wikipedia.
Wikidata - #7 P Cygni — --9,223,372,036,854,775,808 kg
variable star in the constellation Cygnus
P Cygni is a variable star in the constellation Cygnus. The designation "P" was originally assigned by Johann Bayer in Uranometria as a nova. Located about 5,300 light-years from Earth, it is a hypergiant luminous blue variable (LBV) star of spectral type B1-2 Ia-0ep that is one of the most luminous stars in the Milky Way. Read more on Wikipedia.
Wikidata - #8 WR 1 — --9,223,372,036,854,775,808 kg
star in the constellation Cassiopeia
WR 1 is a Wolf–Rayet star located around 10,300 light years away from Earth in the constellation of Cassiopeia. It is only slightly more than twice the size of the sun, but due to a temperature over 100,000 K it is over 758,000 times as luminous as the sun. Read more on Wikipedia.
Wikidata - #9 HD 152408 — --9,223,372,036,854,775,808 kg
star
HD 152408, also known as WR 79a, is a Wolf-Rayet star located in the constellation Scorpius, close to the galactic plane. Its distance is around 1,800 parsecs away from the Earth. Read more on Wikipedia.
Wikidata - #10 AE Aurigae — --9,223,372,036,854,775,808 kg
star in the constellation Auriga
AE Aurigae is a runaway star in the constellation Auriga; it lights the Flaming Star Nebula. Read more on Wikipedia.
Wikidata