Results 151 to 160 of about 22,530 (230)

Observations of multiple nucleus galaxies [PDF]

Disturbed galaxies with two nuclei display the final state of the interaction process of two galaxies (Kollatschny et al., 1986; Fricke and Kollatschny, 1989). A few of these double nucleus galaxies contain Seyfert nuclei.
Kollatschny, W.
core   +1 more source

J-HERTz: J-PLUS Heritage Exploration of Radio Targets at z < 5

The Astrophysical Journal Supplement Series
We introduce J-HERTz (J-PLUS Heritage Exploration of Radio Targets at z < 5), a new multiwavelength catalog that combines optical narrowband photometry from J-PLUS, infrared observations from the Wide-field Infrared Survey Explorer, and deep low ...
D. Fernández Gil, J. A. Fernández-Ontiveros, C. López-Sanjuan, F. Arizo-Borillo, A. del Pino, A. Hernán-Caballero, A. Lumbreras-Calle, P. T. Rahna, David Sobral, H. Vázquez Ramió, A. J. Cenarro, A. Marín-Franch, R. E. Angulo, A. Ederoclite, D. Cristóbal-Hornillos, R. A. Dupke, C. Hernández-Monteagudo, M. Moles, L. Sodré Jr., J. Varela   +19 more
doaj   +1 more source

SIFTING FOR SAPPHIRES: SYSTEMATIC SELECTION OF TIDAL DISRUPTION EVENTS IN iPTF. [PDF]

Astrophys J Suppl Ser, 2018
Hung T, Gezari S, Cenko SB, van Velzen S, Blagorodnova N, Yan L, Kulkarni SR, Lunnan R, Kupfer T, Leloudas G, Kong AKH, Nugent PE, Fremling C, Laher RR, Masci FJ, Cao Y, Roy R, Petrushevska T.   +17 more
europepmc   +1 more source

Testing The Lamp-Post and Wind Reverberation Models with XMM-Newton Observations of NGC 5506. [PDF]

Astrophys J, 2020
Zoghbi A, Kalli S, Miller JM, Mizumoto M.   +3 more
europepmc   +1 more source

Variable Nature of Magnetically-Driven Ultra-Fast Outflows. [PDF]

Astrophys J Lett, 2018
Fukumura K, Kazanas D, Shrader C, Behar E, Tombesi F, Contopoulos I.   +5 more
europepmc   +1 more source

Galaxy Evolution with Manifold Learning. [PDF]

Entropy (Basel)
Takeuchi TT, Cooray S, Kano RR.
europepmc   +1 more source

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

Nat Commun
Amrutha N, Wolf C, Onken CA, Hon WJ, Lai S, Raithel D, Tan AHT, Webster R.   +7 more
europepmc   +1 more source

Extragalactic radio surveys in the pre-Square Kilometre Array era. [PDF]

R Soc Open Sci, 2017
Simpson C.
europepmc   +1 more source

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

Nature
Rusakov V, Watson D, Nikopoulos GP, Brammer G, Gottumukkala R, Harvey T, Heintz KE, Damgaard R, Sim SA, Sneppen A, Vijayan AP, Adams N, Austin D, Conselice CJ, Goolsby CM, Toft S, Witstok J.   +16 more
europepmc   +1 more source

Discovery of a very Lyman-α-luminous quasar at z = 6.62. [PDF]

Sci Rep, 2017
Koptelova E, Hwang CY, Yu PC, Chen WP, Guo JK.   +4 more
europepmc   +1 more source