Sentences with phrase «blue subdwarfs»
The stars may be passing through a stage of stellar evolution that lasts no more than a few tens of thousands of years, the scientists say — a phase between red giants (about 30 or 40 times the size of our sun) and blue subdwarfs (stars about one - fifth the size of our sun but seven times hotter and 70 times brighter).
http://www.sciencemag.org/ Not exact matches
We analyze the kinematics of ultracool dwarfs in our catalog and find evidence that bluer but otherwise generic late - M and L field dwarfs (i.e., not subdwarfs) tend to have higher tangential velocities compared to typical field objects.
NASA — larger image Kapteyn's Star is a very dim red subdwarf, somewhat bluer and dimmer than Gliese 623 A (M2.5 V) and B (M5.8 Ve) at lower right.