PG 1159 Stars
PG 1159 stars are a group of very hot, often pulsating WDs for which the prototype is PG 1159 dominated by carbon and oxygen in their atmospheres.
PG 1159 stars reach luminosities of ~1038 erg/s but form a rather distinct class. RX J0122.9-7521 has been identified as a galactic PG 1159 star.
Read more about this topic: Super Soft X-ray Source
Famous quotes containing the word stars:
“Away in a manger, no crib for a bed,
The little Lord Jesus laid down His sweet head.
The stars in the bright sky looked down where He lay—
The little Lord Jesus asleep in the hay.”
—Martin Luther (1483–1546)