Results 121 to 130 of about 200 (175)

A massive, dead disk galaxy in the early Universe. [PDF]

Nature, 2017
Toft S, Zabl J, Richard J, Gallazzi A, Zibetti S, Prescott M, Grillo C, Man AWS, Lee NY, Gómez-Guijarro C, Stockmann M, Magdis G, Steinhardt CL.   +12 more
europepmc   +1 more source

When the Milky Way hosted a quasar

, 2022
Marin F, Churazov E, Khabibullin I, Ferrazzoli R, Gesu LD, Barnouin T, Marco AD, Middei R, Vikhlinin A, Costa E, Soffitta P, Muleri F, Sunyaev R, Forman W, Kraft R, Bianchi S, Donnarumma I, Petrucci P, Enoto T, Agudo I, Antonelli L, Bachetti M, Baldini L, Baumgartner W, Bellazzini R, Bongiorno S, Bonino R, Brez A, Bucciantini N, Capitanio F, Castellano S, Cavazzuti E, Chen C, Ciprini S, De Rosa A, Monte ED, Lalla ND, Doroshenko V, Dovciak M, Ehlert S, Evangelista Y, Fabiani S, Garcia J, Gunji S, Hayashida K, Heyl J, Ingram A, Iwakiri W, Jorstad S, Kaaret P, Karas V, Kitaguchi T, Kolodziejczak J, Krawczynski H, Monaca FL, Latronico L, Liodakis I, Maldera S, Manfreda A, Marinucci A, Marscher A, Marshall H, Massaro F, Matt G, Mitsuishi I, Mizuno T, Negro M, Ng C, O'Dell S, Omodei N, Oppedisano C, Papitto A, Pavlov G, Peirson A, Perri M, Pesce-Rollins M, Pilia M, Possenti A, Poutanen J, Puccetti S, Ramsey B, Rankin J, Ratheesh A, Roberts O, Romani R, Sgro C, Slane P, Spandre G, Swartz D, Tamagawa T, Tavecchio F, Taverna R, Tawara Y, Tennant A, Thomas N, Tombesi F, Trois A, Tsygankov S, Turolla R, Vink J, Weisskopf M, Wu K, Xie F, Zane S.   +103 more
europepmc   +1 more source

Extragalactic background light measurements and applications. [PDF]

R Soc Open Sci, 2016
Cooray A.
europepmc   +1 more source

Magnetic Origin of Black Hole Winds Across the Mass Scale. [PDF]

Nat Astron, 2017
Fukumura K, Kazanas D, Shrader C, Behar E, Tombesi F, Contopoulos I.   +5 more
europepmc   +1 more source

Sub-arcsecond imaging of the water emission in Arp 220. [PDF]

Astron Astrophys, 2017
König S, Martín S, Muller S, Cernicharo J, Sakamoto K, Zschaechner LK, Humphreys EML, Mroczkowski T, Krips M, Galametz M, Aalto S, Vlemmings WHT, Ott J, Meier DS, Fuente A, García-Burillo S, Neri R.   +16 more
europepmc   +1 more source

Maximum Entropy (Most Likely) Double Helical and Double Logarithmic Spiral Trajectories in Space-Time. [PDF]

Sci Rep, 2019
Parker MC, Jeynes C.
europepmc   +1 more source

Supermassive black-hole growth over cosmic time: active galaxy demography, physics, and ecology from Chandra surveys. [PDF]

Proc Natl Acad Sci U S A, 2010
Brandt WN, Alexander DM.
europepmc   +1 more source

Relativistic dynamics and extreme mass ratio inspirals. [PDF]

Living Rev Relativ, 2018
Amaro-Seoane P.
europepmc   +1 more source

Active galactic nuclei. [PDF]

Proc Natl Acad Sci U S A, 1999
Fabian AC.
europepmc   +1 more source

Optical evidence for the unification of active galactic nuclei and quasi-stellar objects. [PDF]

Proc Natl Acad Sci U S A, 1995
Miller JS.
europepmc   +1 more source