Results 61 to 70 of about 666,750 (380)

Alignment of galaxies relative to their local environment in SDSS-DR8

, 2016
We study the alignment of galaxies relative to their local environment in SDSS-DR8 and, using these data, we discuss evolution scenarios for different types of galaxies. We defined a vector field of the direction of anisotropy of the local environment of
Einasto, M., Hirv, A., Pelt, J., Saar, E., Tago, E., Tamm, A., Tempel, E.   +6 more
core   +1 more source

The Faintest Galaxies [PDF]

AIP Conference Proceedings, 2010
To appear in the conference proceeding: "First Stars and Galaxies: Challenges in the Next Decade" . Publisher: American Institute of Physics. Editors: V. Bromm, D.
Stefania Salvadori, Andrea Ferrara, Daniel J. Whalen, Volker Bromm, Naoki Yoshida   +4 more
openaire   +5 more sources

A Long-Term Study of Ultraluminous X-ray Sources in NGC 891

Universe, 2021
We perform empirical fits to the Chandra and XMM-Newton spectra of three ultraluminous X-ray sources (ULXs) in the edge-on spiral galaxy NGC 891, monitoring the region over a 17-year time window.
Nicholas M. Earley , Vikram V. Dwarkadas , Victoria Cirillo    +2 more
doaj   +1 more source

THE AVERAGE STAR FORMATION HISTORIES OF GALAXIES IN DARK MATTER HALOS FROM z = 0–8 [PDF]

, 2012
We present a robust method to constrain average galaxy star formation rates (SFRs), star formation histories (SFHs), and the intracluster light (ICL) as a function of halo mass.
P. Behroozi, Risa Wechsler, C. Conroy
semanticscholar   +1 more source

The luminosity function of field galaxies

, 2011
Schmidt's method for construction of luminosity function of galaxies is generalized by taking into account the dependence of density of galaxies from the distance in the near Universe.
A Dressler, A Dressler, A Jr, A Sandage, A Sandage, A. P. Mahtessian, AI Zabludoff, ALB Ribeiro, AP Mahtessian, AP Mahtessian, B Binggeli, B Garilli, B Garilli, BC Bromley, BM Garilli, C Marinoni, CA Valotto, CNA Willmer, D Lynden-Bell, DH Gudehus, E Gaidos, G Efstathiou, H Jerjen, H Lin, H Muriel, HC Ferguson, J Choloniewski, J Huchra, J Loveday, JE Felten, JF Nicol, LF Barrientos, M Paolillo, M Ramella, M Schmidt, MA Arakelyan, MJ Cuesta-Bolao, MM Colless, N Trentham, N Trentham, O Lopez-Cruz, O Lopez-Cruz, P Schechter, PM Lugger, RO Marzke, S Andreon, S Andreon, S Rayzy, SE Zepf, SL Lumsden, SP Driver, T Goto, VYu Terebizh, WR Oegerle, WR Oegerle   +54 more
core   +1 more source

Quenched Galaxies in Clusters of Galaxies and Their Outskirts [PDF]

Astrophysical Bulletin, 2020
Based on the SDSS data, the properties of galaxies with quenched star formation (QGs) within the "splashback"-radius of galaxy clusters $R_{\rm sp}$ and beyond it have been studied.
F. G. Kopylova, Alexander I. Kopylov
openaire   +3 more sources

Phase-Space Correlations among Systems of Satellite Galaxies

Galaxies, 2021
Driven by the increasingly complete observational knowledge of systems of satellite galaxies, mutual spatial alignments and relations in velocities among satellites belonging to a common host have become a productive field of research.
Marcel S. Pawlowski
doaj   +1 more source

Theoretical Modeling of Starburst Galaxies [PDF]

, 2001
We have modeled a large sample of infrared starburst galaxies using both the PEGASE v2.0 and STARBURST99 codes to generate the spectral energy distribution (SED) of the young star clusters.
L. Kewley, M. Dopita, R. Sutherland, C. Heisler, J. Trevena   +4 more
semanticscholar   +1 more source

De re metallica: the cosmic chemical evolution of galaxies [PDF]

The Astronomy and Astrophysics Review, 2018
The evolution of the content of heavy elements in galaxies, the relative chemical abundances, their spatial distribution, and how these scale with various galactic properties, provide unique information on the galactic evolutionary processes across the ...
R. Maiolino, F. Mannucci
semanticscholar   +1 more source

Accretion by the Galaxy [PDF]

EPJ Web of Conferences, 2012
Invited review at "Assembling the Puzzle of the Milky Way", Grand Bornand, April 2011; 6 ...
Binney, J, Fraternali, F
openaire   +6 more sources