Results 111 to 120 of about 5,163,973 (225)

Relativistic Jets in Gamma-Ray-Emitting Narrow-Line Seyfert 1 Galaxies [PDF]

, 2019
Before the launch of the Fermi Gamma-ray Space Telescope satellite only two classes of active galactic nuclei (AGN) were known to generate relativistic jets and thus to emit up to the γ -ray energy range: blazars and radio galaxies, both hosted in giant ...
D'AMMANDO, FILIPPO, Filippo D’Ammando
core   +1 more source

Radio emission in star-forming galaxies: connection to restarted or relic AGN activity

Astronomy & Astrophysics
Increasing evidence shows that active galactic nuclei (AGNs) with radio detections have more perturbed ionized gas kinematics and higher outflow detection rates, suggesting a link between radio emission and these processes.
Albán M., Wylezalek D., Kukreti P., Riffel R. A., Riffel R.   +4 more
doaj   +1 more source

An automated activity classification tool for optical galaxy spectra

Astronomy & Astrophysics
Context. Reliable and versatile galaxy activity diagnostic tools are indispensable for comprehending the physical processes that drive galaxy evolution.
Daoutis C., Zezas A., Kyritsis E., Kouroumpatzakis K., Bonfini P.   +4 more
doaj   +1 more source

ABSTRACTS

Precision Radiation Oncology, EarlyView.
wiley   +1 more source

X-ray emission from star-forming galaxies [PDF]

, 2011
In this dissertation we study the properties of high-mass X-ray binaries (HMXBs) and hot inter-stellar medium in star-forming galaxies and their relation with the star formation rate (SFR), based on the data from Chandra, Spitzer, GALEX and 2MASS public ...
Mineo, S., Mineo, Stefano
core   +1 more source

SMILES Data Release. II. Probing Galaxy Evolution during Cosmic Noon and Beyond with NIRSpec Medium-resolution Spectra

The Astrophysical Journal
We present the second data release of the Systematic Mid-Infrared Instrument Legacy Extragalactic Survey (SMILES), focusing on JWST/NIRSpec medium-resolution spectroscopy of galaxies across cosmic time. This release includes spectroscopic observations of
Yongda Zhu, Nina Bonaventura, Yang Sun, George H. Rieke, Stacey Alberts, Jianwei Lyu, Irene Shivaei, Jane Morrison, Zhiyuan Ji, Eiichi Egami, Jakob M. Helton, Marcia J. Rieke, Pierluigi Rinaldi, Fengwu Sun, Christopher N. A. Willmer   +14 more
doaj   +1 more source

Emission line galaxies in a narrow strip toward Perseus [PDF]

, 1993
Many studies have suggested that emission line galaxies (ELG's) have spatial distributions that differ from non-emission line galaxies. The ELG's tend to avoid rich clusters and may sometimes reside within voids.
Ellman, Nancy E.
core  

SHELLQs-JWST: Revealing the Spectra of Extended Emission in 12 z > 6 Quasar Host Galaxies Using the JWST NIRSpec Fixed Slit

The Astrophysical Journal
We present an analysis of the rest-frame optical JWST NIRSpec Fixed Slit spectra of extended host galaxy emission in 12 moderate luminosity quasars from the Subaru High- z Exploration of Low-Luminosity Quasars sample at redshifts 6.0 
Camryn L. Phillips, Michael A. Strauss, Masafusa Onoue, Xuheng Ding, John D. Silverman, Yoshiki Matsuoka, Takuma Izumi, Junya Arita, Kentaro Aoki, Shunsuke Baba, Masatoshi Imanishi, Nobunari Kashikawa, Toshihiro Kawaguchi, Chien-Hsiu Lee, Mahoshi Sawamura, Yoshiki Toba, Feige Wang, Jinyi Yang   +17 more
doaj   +1 more source

Impact of active galactic nuclei and nuclear star formation on the ISM turbulence of galaxies: Insights from JWST/MIRI spectroscopy

Astronomy & Astrophysics
Active galactic nuclei (AGNs), star formation (SF), and galaxy interactions can drive turbulence in the gas of the interstellar medium (ISM), which, in turn, plays a role in SF taking place within galaxies.
Riffel Rogemar A., Colina Luis, Costa-Souza José Henrique, Mainieri Vincenzo, Santaella Miguel Pereira, Dors Oli L., García-Bernete Ismael, Alonso-Herrero Almudena, Audibert Anelise, Bellocchi Enrica, Bunker Andrew J., Campbell Steph, Combes Françoise, Davies Richard I., Díaz-Santos Tanio, Donnan Fergus R., Esposito Federico, García-Burillo Santiago, García-Lorenzo Begoña, Martín Omaira González, Haidar Houda, Hicks Erin K. S., Hoenig Sebastian F., Imanishi Masatoshi, Labiano Alvaro, Lopez-Rodriguez Enrique, Packham Christopher, Almeida Cristina Ramos, Rigopoulou Dimitra, Rosario David, Souza-Oliveira Gabriel Luan, Martín Montserrat Villar, Veenema Oscar, Zhang Lulu   +33 more
doaj   +1 more source

Metal-poor Star-forming Clumps in Cosmic Noon Galaxies: Evidence for Gas Inflow and Chemical Dilution Using JWST NIRISS

The Astrophysical Journal
The formation and evolution of galaxies are intricately linked to the baryon cycle, which fuels star formation while shaping chemical abundances within galaxies.
Vicente Estrada-Carpenter, Marcin Sawicki, Roberto Abraham, Yoshihisa Asada, Maruša Bradač, Gabe Brammer, Guillaume Desprez, Kartheik G. Iyer, Nicholas S. Martis, Adam Muzzin, Gaël Noirot, Gregor Rihtaršič, Ghassan T. E. Sarrouh, Chris J. Willott, Jeremy Favaro, Vladan Markov, Rosa M. Mérida, Katherine Myers, Visal Sok   +18 more
doaj   +1 more source