Results 61 to 70 of about 208,581 (197)

Investigating the Dominant Environmental Quenching Process in UVCANDELS/COSMOS Groups

The Astrophysical Journal, 2023
We explore how the fraction of quenched galaxies changes in groups of galaxies with respect to the distance to the center of the group, redshift, and stellar mass to determine the dominant process of environmental quenching in 0.2 < z < 0.8 groups.
Bonnabelle Zabelle, Claudia Scarlata, Vihang Mehta, Harry I. Teplitz, Marc Rafelski, Xin Wang, Ben Sunnquist, Laura Prichard, Norman Grogin, Anton Koekemoer, Rogier Windhorst, Michael Rutkowski, Anahita Alavi, Nima Chartab, Christopher J. Conselice, Y. Sophia Dai, Eric Gawiser, Mauro Giavalisco, Pablo Arrabal Haro, Nimish Hathi, Rolf A. Jansen, Zhiyuan Ji, Ray A. Lucas, Kameswara Mantha, Bahram Mobasher, Robert W. O’Connell, Brant Robertson, Zahra Sattari, L. Y. Aaron Yung, Romeel Davé, Duilia DeMello, Mark Dickinson, Henry Ferguson, Steven L. Finkelstein, Matt Hayes, Justin Howell, Sugata Kaviraj, John W. Mackenty, Brian Siana   +38 more
doaj   +1 more source

Scale Interactions and Galaxy Evolution [PDF]

Astrophysics and Space Science, 2003
To understand galaxies and their evolution, it is necessary to describe how the different scales interact: how the microscopic physics, such as star formation, or the large scale physics, such as galaxy interactions may modify the galaxy global shapes.
openaire   +2 more sources

Radial Gradients and Intrinsic Scatter in MaNGA Galaxies

The Astrophysical Journal Supplement Series
We derive stellar population parameters and radial gradients within 0.65 R _e for spatially resolved spectra of 2968 early-type galaxies from MaNGA, spanning stellar velocity dispersions ( σ ) of 50–340 km s ^−1 .
Tathagata Pal, Guy Worthey
doaj   +1 more source

Modeling the Ages and Chemical Abundances of Elliptical Galaxies

The Astrophysical Journal
Spectroscopic studies of elliptical galaxies show that their stellar population ages, mean metallicity, and α enhancement traced by [Mg/Fe] all increase with galaxy stellar mass or velocity dispersion.
Nicole Marcelina Gountanis, David H. Weinberg, Aliza G. Beverage, Nathan R. Sandford, Charlie Conroy, Mariska Kriek   +5 more
doaj   +1 more source

The evolution of the colour-magnitude relation and of the star formation activity in galaxy clusters since z~0.8

, 2008
We present recent results on the evolution of the colour-magnitude relation and of the star formation activity in galaxy clusters since z~0.8. Results are based on the ESO Distant Cluster Survey (EDisCS) - an ESO large programme aimed at the study of ...
De Lucia, Gabriella, Poggianti, Bianca M.   +1 more
core  

What Regulates Galaxy Evolution? Open Questions in Our Understanding of Galaxy Formation and Evolution

, 2014
In April 2013, a workshop entitled "What Regulates Galaxy Evolution" was held at the Lorentz Center. The aim of the workshop was to bring together the observational and theoretical community working on galaxy evolution, and to discuss in depth of the ...
De Lucia, Gabriella, Muzzin, Adam, Weinmann, Simone   +2 more
core   +1 more source

Spatial Variations of Stellar Elemental Abundances in FIRE Simulations of Milky Way-mass Galaxies: Patterns Today Mostly Reflect Those at Formation

The Astrophysical Journal
Spatial patterns of stellar elemental abundances encode rich information about a galaxy’s formation history. We analyze the radial, vertical, and azimuthal variations of metals in stars, both today and at formation, in the FIRE-2 cosmological simulations
Russell L. Graf, Andrew Wetzel, Matthew A. Bellardini, Jeremy Bailin   +3 more
doaj   +1 more source

SECULAR EVOLUTION OF SPIRAL GALAXIES [PDF]

Journal of The Korean Astronomical Society, 2003
15 pages, 8 figures, Invited talk presented at the 2nd APCTP workshop on Astrophysics, Pohang, Korea (June 2002)
openaire   +2 more sources

The Next Generation Deep Extragalactic Exploratory Public (NGDEEP) Survey

The Astrophysical Journal Letters
We present the Next Generation Deep Extragalactic Exploratory Public (NGDEEP) Survey, a deep slitless spectroscopic and imaging Cycle 1 JWST treasury survey designed to constrain feedback mechanisms in low-mass galaxies across cosmic time. NGDEEP targets
Micaela B. Bagley, Nor Pirzkal, Steven L. Finkelstein, Casey Papovich, Danielle A. Berg, Jennifer M. Lotz, Gene C. K. Leung, Henry C. Ferguson, Anton M. Koekemoer, Mark Dickinson, Jeyhan S. Kartaltepe, Dale D. Kocevski, Rachel S. Somerville, L. Y. Aaron Yung, Bren E. Backhaus, Caitlin M. Casey, Marco Castellano, Óscar A. Chávez Ortiz, Katherine Chworowsky, Isabella G. Cox, Romeel Davé, Kelcey Davis, Vicente Estrada-Carpenter, Adriano Fontana, Seiji Fujimoto, Jonathan P. Gardner, Mauro Giavalisco, Andrea Grazian, Norman A. Grogin, Nimish P. Hathi, Taylor A. Hutchison, Anne E. Jaskot, Intae Jung, Lisa J. Kewley, Allison Kirkpatrick, Rebecca L. Larson, Jasleen Matharu, Priyamvada Natarajan, Laura Pentericci, Pablo G. Pérez-González, Swara Ravindranath, Barry Rothberg, Russell Ryan, Lu Shen, Raymond C. Simons, Gregory F. Snyder, Jonathan R. Trump, Stephen M. Wilkins   +47 more
doaj   +1 more source

The star-formation history of the Milky Way Galaxy

, 2009
The star-formation histories of the main stellar components of the Milky Way constrain critical aspects of galaxy formation and evolution. I discuss recent determinations of such histories, together with their interpretation in terms of theories of disk ...
Bensby, Bensby, Bensby, Cignoni, Famaey, François, Maiolino, Nordström, Rocha-Pinto, Rosemary F. G. Wyse, Wyse, Wyse   +11 more
core   +1 more source