The Curious Case of PHL 293B: A Long-Lived Transient in a Metal-Poor Blue Compact Dwarf Galaxy

We report on small-amplitude optical variability and recent dissipation of the unusually persistent broad emission lines in the blue compact dwarf galaxy PHL 293B. The galaxy's unusual spectral features (P Cygni-like profiles with \(\sim\)800 km s\(^{-1}\) blueshifted absorption lines) have res...

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Veröffentlicht in:	arXiv.org 2020-04
Hauptverfasser:	Burke, Colin J, Baldassare, Vivienne F, Liu, Xin, Foley, Ryan J, Shen, Yue, Palmese, Antonella, Guo, Hengxiao, Herner, Kenneth, Abbott, Tim M C, Aguena, Michel, Allam, Sahar, Avila, Santiago, Bertin, Emmanuel, Brooks, David, Aurelio Carnero Rosell, Matias Carrasco Kind, Carretero, Jorge, da Costa, Luiz N, De Vicente, Juan, Desai, Shantanu, Doel, Peter, Eifler, Tim F, Spencer, Everett, Frieman, Josh, Garcia-Bellido, Juan, Gaztanaga, Enrique, Gruen, Daniel, Gruendl, Robert A, Gschwend, Julia, Gutierrez, Gaston, Hollowood, Devon L, Honscheid, Klaus, James, David J, Krause, Elisabeth, Kuehn, Kyler, Maia, Marcio A G, Menanteau, Felipe, Miquel, Ramon, Paz-Chinchon, Francisco, Plazas, Andres A, Sanchez, Eusebio, Basilio Santiago, Scarpine, Vic, Serrano, Santiago, Sevilla-Noarbe, Ignacio, Smith, Mathew, Soares-Santos, Marcelle, Suchyta, Eric, Swanson, Molly E C, Tarle, Gregory, Tucker, Douglas L, Varga, Tamas Norbert, Walker, Alistair R, Collaboration, DES
Format:	Artikel
Sprache:	eng
Schlagworte:	Active galactic nuclei Amplitudes Compact galaxies Dark energy Digital imaging Dwarf galaxies Emission analysis Energy dissipation Extreme environments Light curve Physics - Astrophysics of Galaxies Physics - High Energy Astrophysical Phenomena Random walk Searching Sky surveys (astronomy) Stars & galaxies
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