Results 161 to 170 of about 1,444 (209)

Probing the nature of black holes: Deep in the mHz gravitational-wave sky. [PDF]

open access: yesExp Astron (Dordr), 2021
Baibhav V   +28 more
europepmc   +1 more source

Little red dots as young supermassive black holes in dense ionized cocoons. [PDF]

open access: yesNature
Rusakov V   +16 more
europepmc   +1 more source

New molecular species at redshift <i>z</i> = 0.89. [PDF]

open access: yesAstron Astrophys, 2020
Tercero B   +4 more
europepmc   +1 more source

Multi-messenger gravitational lensing. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci
Smith GP   +40 more
europepmc   +1 more source

A dynamical measure of the black hole mass in a quasar 11 billion years ago. [PDF]

open access: yesNature
Abuter R   +126 more
europepmc   +1 more source

Broad band energy distribution of ROSAT detected quasars. Pt. 1 Radio-loud objects

open access: yes, 1996
We present a sample of 654 radio quasars seen in the ROSAT All-Sky Survey and the ROSAT point source catalogue and study their broad band properties. The size of this list allows a statistically significant investigation of the soft X-ray properties of ...
Siebert, J.   +3 more
core  

Cosmic mysteries and the hydrogen 21-cm line: bridging the gap with lunar observations. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci
Fialkov A, Gessey-Jones T, Dhandha J.
europepmc   +1 more source

Strong Lensing by Galaxies. [PDF]

open access: yesSpace Sci Rev
Shajib AJ   +9 more
europepmc   +1 more source

Study on the multi-wavelength variation of 3C 454.3. [PDF]

open access: yesSci Rep
Chen X   +9 more
europepmc   +1 more source

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