Spectral variability of a sample of extreme variability quasars and implications for the MgII broad-line region

In this paper, we present new Gemini/GMOS optical spectroscopy of 16 extreme variability quasars (EVQs) that dimmed by more than 1.5 mag in the g band between the Sloan Digital Sky Survey (SDSS) and the Dark Energy Survey epochs (separated by a few years in the quasar rest frame). These EVQs are sel...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2020-04, Vol.493 (4)
Hauptverfasser:	Yang, Qian, Shen, Yue, Chen, Yu-Ching, Liu, Xin, Annis, James, Avila, Santiago, Bertin, Emmanuel, Brooks, David, Buckley-Geer, Elizabeth, Carnero Rosell, Aurelio, Carrasco Kind, Matias, Carretero, Jorge, da Costa, Luiz, Desai, Shantanu, Thomas Diehl, H., Doel, Peter, Frieman, Josh, Garcia-Bellido, Juan, Gaztanaga, Enrique, Gerdes, David, Gruen, Daniel, Gruendl, Robert, Gschwend, Julia, Gutierrez, Gaston, Hollowood, Devon L., Honscheid, Klaus, Hoyle, Ben, James, David, Krause, Elisabeth, Kuehn, Kyler, Lidman, Christopher, Lima, Marcos, Maia, Marcio, Marshall, Jennifer, Martini, Paul, Menanteau, Felipe, Miquel, Ramon, Plazas Malagón, Andrés, Sanchez, Eusebio, Scarpine, Vic, Schindler, Rafe, Schubnell, Michael, Serrano, Santiago, Sevilla, Ignacio, Smith, Mathew, Soares-Santos, Marcelle, Sobreira, Flavia, Suchyta, Eric, Swanson, Molly, Tarle, Gregory, Vikram, Vinu, Walker, Alistair
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTRONOMY AND ASTROPHYSICS black hole physics galaxies: active line: profiles quasars: general
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