Results 41 to 50 of about 282,692 (200)

The Average Stellar Population Age and Metallicity of Intermediate-redshift Quiescent Galaxies

The Astrophysical Journal
The HectoMAP spectroscopic survey provides a unique mass-limited sample of more than 35,000 quiescent galaxies ( D _n 4000 > 1.5) covering the redshift range 0.2  10 ^11 M _⊙ ) assemble the bulk of their stars at earlier epochs.
Ivana Damjanov, Margaret J. Geller, Jubee Sohn   +2 more
doaj   +1 more source

Extragalactic Constraints on the Initial Mass Function [PDF]

, 2008
The local stellar mass density is observed to be significantly lower than the value obtained from integrating the cosmic star formation history (SFH), assuming that all the stars formed with a Salpeter initial mass function (IMF).
Adelman-McCarthy, Andrew M. Hopkins, Baldry, Baugh, Chabrier, Davé, Dye, Elmegreen, Fardal, Fioc, Hopkins, Hopkins, Hopkins, Kennicutt, Kroupa, Kroupa, Neil Trentham, Rita Tojeiro, Salpeter, Stephen M. Wilkins, Tojeiro, Van Dokkum, Weidner, Weidner, Wilkins   +24 more
core   +4 more sources

Mass loss at the lowest stellar masses [PDF]

Astronomy & Astrophysics, 2005
Accepted for publication in A&A, 8 pages, 5 figures, 2 ...
Fernandez, M., Comeron, F.
openaire   +2 more sources

Resolved Stellar Mass Estimation of Nearby Late-type Galaxies for the SPHEREx Era: Dependence on Stellar Population Synthesis Models

The Astronomical Journal
The upcoming all-sky infrared spectrophotometric SPHEREx mission is set to provide spatially resolved stellar mass maps of nearby galaxies, offering more detailed insights than integrated light observations.
Jeong Hwan Lee, Minjin Kim, Taehyun Kim, Hyunjin Shim, Luis C. Ho, Ho Seong Hwang, Hyunmi Song, Dohyeong Kim, Yujin Yang, Woong-Seob Jeong   +9 more
doaj   +1 more source

The Eclipsing Binaries from the LAMOST Medium-resolution Survey. III. A High-precision Empirical Stellar Mass Library

The Astronomical Journal, 2023
High-precision stellar masses and radii measured directly from binaries can effectively calibrate stellar models. However, such a database containing full spectral types and a large range of metallicity is still not fully established. A continuous effort
Jianping Xiong, Chao Liu, Jiao Li, Jiadong Li, Bo Zhang, Xiaodian Chen, Changqing Luo, Zihuang Cao, Yongheng Zhao   +8 more
doaj   +1 more source

Modelling galaxy stellar mass evolution from z~0.8 to today

, 2009
We apply the empirical method built for z=0 in the previous work of Wang et al. to a higher redshift, to link galaxy stellar mass directly with its hosting dark matter halo mass at z~0.8.
Jing, Y. P., Wang, Lan
core   +1 more source

Galaxy And Mass Assembly (GAMA) : stellar mass functions by Hubble type [PDF]

, 2014
This work was supported by the Austrian Science Foundation FWF under grant P23946. AWG was supported under the Australian Research Council's funding scheme FT110100263.We present an estimate of the galaxy stellar mass function and its division by ...
Alpaslan, Mehmet, Baldry, Ivan, Bamford, Steven P., Bauer, Amanda E., Bland-Hawthorn, Joss, Brown, Michael J. I., Colless, Matthew, Conselice, Christopher J., Driver, Simon P., Graham, Alister W., Holwerda, Benne W., Hopkins, Andrew M., Kelvin, Lee S., Lara-Lopez, Maritza A., Liske, Jochen, Lopez-Sanchez, Angel R., Loveday, Jon, Norberg, Peder, Phillipps, Steven, Popescu, Cristina C., Prescott, Matthew, Robotham, Aaron S. G., Sansom, Anne E., Taylor, Edward N., Tuffs, Richard J.   +24 more
core   +4 more sources

Stellar populations of ultraluminous infrared galaxies

, 2011
Ultraluminous infrared galaxies (ULIRGs) have several types according to dominance of starburst or AGN component. We made stellar population analysis for a sample of 160 ULIRGs to study the evolution of ULIRGs. We found that the dominance of intermediate-
Abazajian, Alongi, Balogh, Blanton, Bressan, Canalizo, Canalizo, Canalizo, Chung, Cid Fernandes, Colina, Dasyra, Downes, Fagotto, Genzel, Hopkins, Hou, J. L. Han, L. G. Hou, Lonsdale, M. Z. Kong, Meng, Moshir, Natali, Netzer, Salim, Schmitt, Schweitzer, Solomon, Soto, Springel, Surace, Surace, Surace, Tacconi, Veilleux, Veilleux, Xue-Bing Wu   +37 more
core   +1 more source

Stellar Remnants in Galactic Nuclei: Mass Segregation [PDF]

The Astrophysical Journal, 2006
The study of how stars distribute themselves around a massive black hole (MBH) in the center of a galaxy is an important prerequisite for the understanding of many galactic-center processes. These include the observed overabundance of point X-ray sources at the Galactic center, the prediction of rates and characteristics of tidal disruptions of ...
Freitag, M., Amaro-Seoane, P., Kalogera, V.   +2 more
openaire   +3 more sources

Red Galaxy Growth and the Halo Occupation Distribution

, 2008
We have traced the past 7 Gyr of red galaxy stellar mass growth within dark matter halos. We have determined the halo occupation distribution, which describes how galaxies reside within dark matter halos, using the observed luminosity function and ...
Andrew J. Benson, Arjun Dey, Bower R. G., Boylan-Kolchin M., Brough S., Buell T. Jannuzi, Darren J. Croton, Dekel A., Kate Brand, Kemp S. N., Mark Brodwin, Martin White, Michael J. I. Brown, Silk J., White S. D. M., Zheng Zheng   +15 more
core   +1 more source