Results 151 to 160 of about 4,387 (203)

Studies of subdwarf B stars

open access: yes, 2018
Subdwarf B (sdB) stars are horizontal branch stars with thin hydrogen envelopes surrounding a half solar mass helium core. Following their classification in 1966 by Greenstein, little progress was made in understanding these apparently common stars. When pulsators were discovered by Kilkenny et al.
openaire   +3 more sources

The age of the universe. [PDF]

open access: yesProc Natl Acad Sci U S A, 1997
Spergel DN, Bolte M, Freedman W.
europepmc   +1 more source

The orbits of subdwarf-B + main-sequence binaries. II. Three eccentric systems; BD+29 3070, BD +34 1543 and Feige 87

open access: green, 2013
J. Vos   +5 more
openalex   +1 more source

Follow-up observations of X-ray emitting hot subdwarf stars: the He-rich sdO BD +37° 1977 [PDF]

open access: bronze, 2015
N. La Palombara   +4 more
openalex   +1 more source

Is there a Population II analogy to the F star lithium dip? [PDF]

open access: yesProc Natl Acad Sci U S A, 1997
Dearborn DS, Schramm DN.
europepmc   +1 more source

Rotational properties of single and wide binary subdwarf B stars [PDF]

open access: green, 2011
S. Geier   +4 more
openalex   +1 more source

The Evolution of Compact Binary Star Systems. [PDF]

open access: yesLiving Rev Relativ, 2006
Postnov KA, Yungelson LR.
europepmc   +1 more source

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