KIC 10449976: discovery of an extreme helium subdwarf in the Kepler field

: Jeffery C S, Ramsay G, Naslim N, Carrera R, Greiss S, Barclay T, Karjalainen R, Brooks A, Hakala P

Publisher: Oxford University Press

: 2013

: Monthly Notices of the Royal Astronomical Society

: MNRAS

: 4

: 429

: 4

: 3207

: 3213

: 7

: 0035-8711

Optical spectroscopy of the blue star KIC 10449976 shows that it is an extremely helium-rich subdwarf with effective temperature T