Results 111 to 120 of about 240,676 (167)

Strong long-term variability in active galactic nuclei affects virial black hole mass measurements. [PDF]

open access: yesNat Commun
Amrutha N   +7 more
europepmc   +1 more source

Quasi-periodic oscillations of GHz-band polarization in a black hole. [PDF]

open access: yesNat Commun
Wang W   +12 more
europepmc   +1 more source

The abundances of carbon and nitrogen in the atmospheres of classical Be stars. [PDF]

open access: yesAstrophys Space Sci
Peters GJ   +4 more
europepmc   +1 more source

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