The composition of a star that should not exist

An ancient star in the constellation of Leo (The Lion), called SDSS J102915+172927, has been found to have the lowest amount of elements heavier than helium of all stars yet studied. The pie-chart shows the star’s composition: it is almost entirely made from hydrogen and helium with only a tiny trace of heavier elements.

Crédit:

ESO/Digitized Sky Survey 2

À propos de l'image

Identification:eso1132b
Type:Observation
Date de publication:31 août 2011 19:00
Communiqués de presse en rapport:eso1132
Taille:1452 x 969 px

À propos de l'objet

Nom:SDSS J102915+172927
Type:Milky Way : Star
Catégorie:Stars

Image Formats

Grand JPEG
229,6 Kio
JPEG taille écran
112,9 Kio

Couleurs & filtres

DomaineTélescope
Visible
B
Digitized Sky Survey 2
Visible
Pseudogreen (B+R)
Digitized Sky Survey 2
Visible
R
Digitized Sky Survey 2