The Stars || News || About Stars | Nearest Stars | Big Stars | Special Stars | Exoplanets | Prototype Stars || Constellations || Galaxies || Planets | Moons | Solar System || Convert Values || Stellar Records || Imprint & Privacy

         

Anzeige


M31VJ00443799+4129236

This very narrow eclipsing binary of two large blue stars lies in the Andromeda Nebula (M31). There is a mass transfer from the B to the A star.
Due to this double in the year 2005 the distance to M31 could be measured accurate to 100 000 light-years.

Constellation: Andromeda
Distance: 2.52 million light-years
Space between M31VJ00443799+4129236 A and B: 0.15 AU
Orbit period of M31VJ00443799+4129236 A and B: 3.54969 days

M31VJ00443799+4129236 A

Spectral class: O
Mass: 23 * Sun
Diameter: 13.1 * Sun
 

M31VJ00443799+4129236 B

Spectral class: B
Mass: 15 * Sun
Diameter: 11.3 * Sun

Back: List of big and giant stars part 2

08/07/2006

    M31VJ00443799+4129236
The central region of the Andromeda Nebula.
Foto: T.A.Rector and B.A.Wolpa/NOAO/AURA/NSF

    Astronomical articles released under Creative Commons: Imprint & Privacy
This site in German: Sterne und Planeten


Anzeige

Astronomy: Stars & Planets | © Jumk.de Webprojects

Images of Chemical Elements