Results 31 to 40 of about 282,692 (200)

Decoding Galactic Merger Histories

Galaxies, 2017
Galaxy mergers are expected to influence galaxy properties, yet measurements of individual merger histories are lacking. Models predict that merger histories can be measured using stellar halos and that these halos can be quantified using observations of
Eric F. Bell, Antonela Monachesi, Richard D’Souza, Benjamin Harmsen, Roelof S. de Jong, David Radburn-Smith, Jeremy Bailin, Benne W. Holwerda   +7 more
doaj   +1 more source

Is there a mass discrepancy in the Cepheid binary OGLE-LMC-CEP0227? [PDF]

, 2011
Context. The Cepheid mass discrepancy, the difference between masses predicted from stellar evolution and stellar pulsation calculations, is a challenge for the understanding of stellar astrophysics. Recent models of the eclipsing binary Cepheid OGLE-LMC-
Bono, Bono, Caputo, Cassisi, Clausen, Cox, de Jager, Dupree, Evans, Evans, Evans, Evans, Fiorentino, H. R. Neilson, Heger, Hunter, Keller, Keller, Kovtyukh, Kudritzki, Lovekin, Meynet, Morel, N. Langer, Neilson, Neilson, Pietrzyński, Pietrzyński, Romaniello, Romaniello, Sandberg Lacy, Sasselov, Sasselov, Stobie, Turner, Valle, Yoon   +36 more
core   +1 more source

From Halos to Galaxies. VII. The Connections between Stellar Mass Growth History, Quenching History, and Halo Assembly History for Central Galaxies

The Astrophysical Journal, 2023
The assembly of galaxies over cosmic time is tightly connected to the assembly of their host dark matter halos. We investigate the stellar mass growth history and the chemical enrichment history of central galaxies in the Sloan Digital Sky Survey Mapping
Cheqiu Lyu, Yingjie Peng, Yipeng Jing, Xiaohu Yang, Luis C. Ho, Alvio Renzini, Bitao Wang, Kai Wang, Bingxiao Xu, Dingyi Zhao, Jing Dou, Qiusheng Gu, Roberto Maiolino, Filippo Mannucci, Feng Yuan   +14 more
doaj   +1 more source

Weak Lensing Reveals a Tight Connection Between Dark Matter Halo Mass and the Distribution of Stellar Mass in Massive Galaxies

, 2018
Using deep images from the Hyper Suprime-Cam (HSC) survey and taking advantage of its unprecedented weak lensing capabilities, we reveal a remarkably tight connection between the stellar mass distribution of massive central galaxies and their host dark ...
Ardila, Felipe, Bahcall, Neta, Behroozi, Peter, Bradshaw, Christopher, Bundy, Kevin, Greene, Jenny, Hearin, Andrew, Huang, Song, Leauthaud, Alexie, Sifon, Cristobal, Speagle, Joshua, Tenenti, Ananth   +11 more
core   +1 more source

The Stellar Mass Components of Galaxies: Comparing Semi-Analytical Models with Observation [PDF]

, 2010
We compare the stellar masses of central and satellite galaxies predicted by three independent semianalytical models with observational results obtained from a large galaxy group catalogue constructed from the Sloan Digital Sky Survey.
Adelman-McCarthy, Bell, Bell, Benson, Blanton, Blanton, Cole, Conroy, Cox, Ferguson, Frank C. van den Bosch, Gnedin, Gonzalez, Gonzalez, H. J. Mo, Henriques, Henriques, Jing, Jing, Kang, Kang, Kauffmann, Lei Liu, Lin, Navarro, Neistein, Pasquali, Puchwein, Spergel, Tinker, Tinker, van den Bosch, Volker Springel, Xiaohu Yang, Yang, Yang, Yang, Yang, Yanny, Zehavi, Zehavi, Zehavi, Zheng, Zheng   +43 more
core   +1 more source

Satellite abundances around bright isolated galaxies

, 2012
We study satellite galaxy abundances in SDSS by counting photometric galaxies around isolated bright primaries. We present results as a function of the luminosity, stellar mass and colour of the satellites, and of the stellar mass and colour of the ...
Abazajian, Aihara, Alshino, Andreon, Ann, Benson, Berlind, Blanton, Blanton, Bode, Bower, Boylan-Kolchin, Boylan-Kolchin, Boylan-Kolchin, Boylan-Kolchin, Bullock, Capak, Chabrier, Chen, Christlein, Cole, Conroy, Conroy, Conroy, Cooray, Croton, Cunha, de Filippis, De Lucia, De Propris, Driver, Driver, Fall, Font, Goto, Grebel, Grebel, Grebel, Grebel, Guo, Guo, Guo, Hansen, Henriques, Henriques, Holmberg, Jing, Jing, Kang, Kauffmann, Kauffmann, Kauffmann, Kauffmann, Klypin, Koposov, Koposov, Kravtsov, Lacey, Lares, Li, Liu, Lorrimer, Lovell, Ma, Macciò, Mandelbaum, Mandelbaum, Mandelbaum, Montero-Dorta, Moore, Moore, More, Moster, Navarro, Navarro, Nierenberg, Paolillo, Peacock, Phillipps, Popesso, Popesso, Prada, Prescott, Ross, Sales, Sales, Sales, Sargent, Scarlata, Schechter, Scoville, Seljak, Sersic, Simard, Simon, Simon, Simon D. M. White, Skibba, Smith, Somerville, Somerville, Spergel, Spergel, Springel, Springel, Tal, Tal, Tasitsiomi, Tollerud, Tollerud, Vader, Vale, Walsh, Wang, Weinmann, Weinmann, Weinmann, Wenting Wang, Westra, White, White, Willman, Yang, Yang, York, Yoshida, Zandivarez, Zaritsky, Zaritsky, Zavala, Zhao, Zheng   +131 more
core   +1 more source

Critical Rates of Stellar Mass Loss [PDF]

Symposium - International Astronomical Union, 1979
Many of the effects of mass loss on OB stars have now been explored. Mass loss will cause a star to be overluminous for its mass (though less luminous than a star of its original mass) and, for moderate mass-loss rates, the luminosity decreases at the same rate as the mass contained in the convective core decreases causing the main sequence lifetime to
D. S. P. Dearborn, J. B. Blake
openaire   +1 more source

On the central stellar mass density and the inside-out growth of early-type galaxies

, 2012
[Abridged] In this paper we derive the central stellar mass density within a fixed radius and the effective stellar mass density within the effective radius for a complete sample of 34 ETGs morphologically selected at 0 ...
A. Gargiulo, Bernardi, Bernardi, Bezanson, Buitrago, Cameron, Capaccioli, Cassata, Cassata, Cimatti, Ciotti, Collins, Daddi, Damjanov, Damjanov, De Lucia, di Serego Alighieri, Fasano, Fasano, Gargiulo, Gargiulo, Giavalisco, Graham, Guo, Hopkins, Hopkins, Kennicutt, Khochfar, Khochfar, Longhetti, López-Sanjuan, M. Longhetti, Mancini, McGrath, Naab, Naab, Nair, Newman, Nipoti, P. Saracco, Peng, Pignatelli, Pozzetti, Renzini, Saracco, Saracco, Saracco, Shen, Sommer-Larsen, Stott, Stott, Szomoru, Thomas, Tiret, Trujillo, Trujillo, Trujillo, Valentinuzzi, Valentinuzzi, van de Sande, van der Wel, van der Wel, van der Wel, van der Wel, van Dokkum, van Dokkum, Wuyts   +66 more
core   +1 more source

Low-Mass and Sub-stellar Eclipsing Binaries in Stellar Clusters [PDF]

, 2020
30 pages, 5 figures, no table.
Lodieu, Nicolas, Paunzen, Ernst, Zejda, Miloslav   +2 more
openaire   +2 more sources

THE UNIVERSAL STELLAR MASS-STELLAR METALLICITY RELATION FOR DWARF GALAXIES [PDF]

The Astrophysical Journal, 2013
24 pages, 13 figures, 1 machine-readable table included in "Other formats," accepted to ApJ.
Kirby, E.V., Cohen, J.G., Ghathakurta, P., Cheng, L., Bullock, J.S., Gallazzi, Anna Rita   +5 more
openaire   +3 more sources