Results 81 to 90 of about 5,584 (162)

First Results from the JWST Early Release Science Program Q3D: The Fast Outflow in a Red Quasar at z = 0.44

The Astrophysical Journal
Quasar feedback may play a key role in the evolution of massive galaxies. The dust-reddened quasar F2M110648.35+480712 at z = 0.4352 is one of the few cases at its redshift that exhibits powerful quasar feedback through bipolar outflows.
Weizhe Liu, Sylvain Veilleux, Swetha Sankar, David S. N. Rupke, Nadia L. Zakamska, Dominika Wylezalek, Andrey Vayner, Caroline Bertemes, Yuzo Ishikawa, Yu-Ching Chen, Jenny E. Greene, Timothy Heckman, Guilin Liu, Hsiao-Wen Chen, Dieter Lutz, Sean D. Johnson, Nicole P. H. Nesvadba, Patrick Ogle, Nadiia Diachenko, Andy D. Goulding, Kevin N. Hainline, Fred Hamann, Hui Xian Grace Lim, Nora Lützgendorf, Vincenzo Mainieri, Ryan McCrory, Grey Murphree, Lu Shen, Eckhard Sturm, Lillian Whitesell   +29 more
doaj   +1 more source

Powerful Nuclear Outflows and Circumgalactic Medium Shocks Driven by the Most Luminous Known Obscured Quasar in the Universe

The Astrophysical Journal
We report integral field spectroscopy observations with the Near-Infrared Spectrograph on board the James Webb Space Telescope, targeting the 60 kpc environment surrounding the most luminous obscured quasar known at z = 4.6.
Andrey Vayner, Tanio Díaz-Santos, Peter R. M. Eisenhardt, Daniel Stern, Lee Armus, Daniel Anglés-Alcázar, Roberto J. Assef, Román Fernández Aranda, Andrew W. Blain, Hyunsung D. Jun, Chao-Wei Tsai, Niranjan Chandra Roy, Drew Brisbin, Carl D. Ferkinhoff, Manuel Aravena, Jorge González-López, Guodong Li, Mai Liao, Devika Shobhana, Jingwen Wu, Dejene Zewdie   +20 more
doaj   +1 more source

Galaxy and Mass Assembly (GAMA). The Properties of Quasar Host Galaxies: Star Formation Histories and Stellar Populations

The Astrophysical Journal
We investigated the star formation history and stellar populations of a sample of 205 Type I quasar host galaxies (0.1 < z < 0.35) and compared them with normal (nonactive) galaxies of the same mass and redshift within the volume of the Galaxy and Mass ...
Maria B. Stone, Roberto De Propris, Clare Wethers, Jari Kotilainen, Nischal Acharya, Benne Holwerda, Andrew M. Hopkins, Kevin Pimbblet   +7 more
doaj   +1 more source

Large-scale surveys of the quasar proximity effect

The Open Journal of Astrophysics
The UV radiation from high redshift quasars causes a local deficit in the neutral hydrogen absorption (Lyman-alpha forest) in their spectra, known as the proximity effect.
Rupert Croft, Patrick Shaw, Ann-Marsha Alexis, Nianyi Chen, Yihao Zhou, Tiziana Di Matteo, Simeon Bird, Patrick Lachance, Yueying Ni   +8 more
doaj   +1 more source

Quasar Radiative Feedback May Suppress Galaxy Growth on Intergalactic Scales at z = 6.3

The Astrophysical Journal Letters
We present observational evidence that intense ionizing radiation from a luminous quasar suppresses nebular emission in nearby galaxies on intergalactic scales at z = 6.3.
Yongda Zhu, Eiichi Egami, Xiaohui Fan, Fengwu Sun, George D. Becker, Christopher Cain, Huanqing Chen, Anna-Christina Eilers, Yoshinobu Fudamoto, Jakob M. Helton, Xiangyu Jin, Maria Pudoka, Andrew J. Bunker, Zheng Cai, Jaclyn B. Champagne, Zhiyuan Ji, Xiaojing Lin, Weizhe Liu, Hai-Xia Ma, Zheng Ma, Roberto Maiolino, George H. Rieke, Marcia J. Rieke, Pierluigi Rinaldi, Yang Sun, Wei Leong Tee, Feige Wang, Jinyi Yang, Minghao Yue, Junyu Zhang   +29 more
doaj   +1 more source

A Smartphone-Based Motion Monitoring System for Surface Guided Radiation Therapy. [PDF]

Adv Radiat Oncol
Capaldi DPI, Hirata E, Witztum A, Porter E, Yu AS, Skinner LB, Braunstein SE, Morin O, Prionas ND.   +8 more
europepmc   +1 more source

Clinical comparison of four commercial MRI phantoms on a 0.35T MR-linac using a standard clinical TRUFI sequence at a single institution. [PDF]

J Appl Clin Med Phys
Khalifa MA, Ma T, Aljuaid H, Kim S, Song WY.   +4 more
europepmc   +1 more source

Impact of extended source-to-surface distances and respiratory motion on the precision of electron beam therapy. [PDF]

J Appl Clin Med Phys
Ito T, Kosaka H, Yanagi Y, Sakai Y, Monzen H.   +4 more
europepmc   +1 more source

Solar peculiar motion inferred from dipole anisotropy in redshift distribution of quasars appears to lie along the Galactic Centre direction. [PDF]

Sci Rep
Singal AK.
europepmc   +1 more source

Efficacy and safety of IL-23 inhibitors in the treatment of moderate to severe ulcerative colitis: a meta-analysis based on randomized controlled trials. [PDF]

Front Med (Lausanne)
He M, Liang H, Sun L, Fan X.
europepmc   +1 more source