Results 61 to 70 of about 14,525 (205)

Effect of local environment and stellar mass on galaxy quenching and morphology at $0.5

, 2017
We study galactic star-formation activity as a function of environment and stellar mass over 0.5 0.5 it depends on galaxy stellar mass, demonstrating that the effects of quenching related to (stellar) mass and environment are not separable.
Allen, Rebecca J., Bell, Eric F., Croton, Darren J., Dekel, Avishai, Ferguson, Henry C., Forrest, Ben, Glazebrook, Karl, Grogin, Norman A., Guo, Yicheng, Kacprzak, Glenn G., Kawinwanichakij, Lalitwadee, Kocevski, Dale D., Koekemoer, Anton M., Labbé, Ivo, Lucas, Ray A., Nanayakkara, Themiya, Papovich, Casey, Quadri, Ryan F., Spitler, Lee R., Straatman, Caroline M. S., Tomczak, Adam, Tran, Kim-Vy H., van Dokkum, Pieter   +22 more
core   +1 more source

Evidence for strong evolution in galaxy environmental quenching efficiency between z = 1.6 and z = 0.9 [PDF]

, 2017
Indexación: Web of Science; Scopus.We analyse the evolution of environmental quenching efficiency, the fraction of quenched cluster galaxies which would be star forming if they were in the field, as a function of redshift in 14 spectroscopically ...
Cooper, M.C., DeGroot, A., Demarco, R., Foltz, R., Lidman, C., Muzzin, A., Nantais, J.B., Noble, A., van der Burg, R.F.J., Wilson, G.   +9 more
core   +1 more source

Patterns of wild meat and other protein consumption in the periphery of Salonga National Park, Democratic Republic of the Congo

People and Nature, EarlyView.
Abstract In Central Africa, human activities are severely impacting terrestrial and aquatic wildlife, threatening the food security of millions of people. Accordingly, sustainable use of wildlife is crucial for the nutrition and livelihoods of many rural communities in the region.
Zolo Admettons, Mattia Bessone, Josué Ausse Baraka, Josué Engombe Botomia, Espérance Miezi, Bénédicte Nsilu, Jonathan Nkamisha Mukole, Michel Opelele Omeno, Jean Semeki Ngabinzeke, Barbara Fruth   +9 more
wiley   +1 more source

The Suppression of Star Formation and the Effect of Galaxy Environment in Low-Redshift Galaxy Groups

, 2012
Understanding the interaction between galaxies and their surroundings is central to building a coherent picture of galaxy evolution. Here we use GALEX imaging of a statistically representative sample of 23 galaxy groups at z=0.06 to explore how local and
Ali Dariush, Arnold, Bai, Balogh, Balogh, Bell, Blanton, Buat, Carollo, Chung, Cibinel, Donahue, Donas, Fadda, Finn, Hicks, Hopkins, Iglesias-Páramo, Jeltema, Jesper Rasmussen, John S. Mulchaey, Kawata, Lei Bai, Madau, Muzzin, Peng, Rasmussen, Rasmussen, Salim, Sargent, Schiminovich, Schlegel, Shen, Somak Raychaudhury, Sánchez-Janssen, Trevor J. Ponman, Tzanavaris, von der Linden, Vulcani, Walker, Wilman, Wyder   +41 more
core   +1 more source

What turns galaxies off? The different morphologies of star-forming and quiescent galaxies since z~2 from CANDELS [PDF]

, 2011
We use HST/WFC3 imaging from the CANDELS Multicycle Treasury Survey, in conjunction with the Sloan Digital Sky Survey, to explore the evolution of galactic structure for galaxies with stellar masses >3e10M_sun from z=2.2 to the present epoch, a time span
Abazajian, Aday R. Robaina, Anton Koekemoer, Arjen van der Wel, Avishai Dekel, Baugh, Bell, Bell, Bell, Bell, Bell, Benson, Bezanson, Blanton, Blanton, Brammer, Brammer, Brown, Bundy, Bundy, Cameron, Casey Papovich, Cassata, Cheung, Christina C. Williams, Christopher J. Conselice, Dale Kocevski, Daniel H. McIntosh, David C. Koo, Davis, Dekel, Donley, Drory, Duilia de Mello, Edmond Cheung, Elizabeth J. McGrath, Eric F. Bell, Faber, Fioc, Franx, Furusawa, Graham, Grogin, Győry, Gültekin, Hans-Walter Rix, Harry Ferguson, Hoffman, Hopkins, Hopkins, Häring, Häussler, Häußler, Ilbert, James S. Dunlop, Jennifer Lotz, Jessica Herrington, Jeyhan Kartaltepe, Johansson, Kannappan, Karim, Kartaltepe, Khochfar, Koekemoer, Kriek, Kriek, Kriek, Lee, Lupton, Magorrian, Martig, Mauro Giavalisco, McGrath, Moster, Naab, Noeske, Norman Grogin, Pannella, Papovich, Papovich, Papovich, Patel, Peng, Peng, Peng, Peng, Prochaska, Rix, Robaina, Ruhland, S. M. Faber, Salim, Salim, Schlegel, Scoville, Simard, Skrutskie, Somerville, Springel, Stijn Wuyts, Stockton, Strateva, Szomoru, Sérsic, Tal, Taylor, Taylor, Tremonti, Tremonti, van den Bergh, van der Wel, van der Wel, van der Wel, van der Wel, van Dokkum, van Dokkum, Wake, Wake, Weinmann, Whitaker, Whitaker, Williams, Williams, Wuyts, Wuyts, Wuyts, Wuyts, Wuyts, Yang, Yi, Zheng   +130 more
core   +5 more sources

Genotyping Contemporary Captive and Historical Wild Western Lowland Gorillas Indicates Captive Breeding Is Maintaining Genetic Diversity in a Critically Endangered Primate

Animal Conservation, EarlyView.
Captive populations of threatened species risk losing genetic diversity over time. We evaluated the genetic status of contemporary captive western lowland gorillas (Gorilla gorilla gorilla) at Howletts and Port Lympne and compared this with specimens from a historical wild population.
Jaimie Morris, Tony King, John Hills, Simon C. Harvey, Jane Hopper, Rodrigo Vega   +5 more
wiley   +1 more source

Overconsumption, outflows and the quenching of satellite galaxies [PDF]

Monthly Notices of the Royal Astronomical Society: Letters, 2014
Abstract The baryon cycle of galaxies is a dynamic process involving the intake, consumption and ejection of vast quantities of gas. In contrast, the conventional picture of satellite galaxies has them methodically turning a large gas reservoir into stars until this reservoir is forcibly removed due to external ram pressure. This picture
McGee, S.L., Bower, R.G., Balogh, M.L.
openaire   +4 more sources

What has quenched the massive spiral galaxies? [PDF]

Monthly Notices of the Royal Astronomical Society: Letters, 2020
ABSTRACT Quenched massive spiral galaxies have attracted great attention recently, as more data are available to constrain their environment and cold gas content. However, the quenching mechanism is still uncertain, as it depends on the mass range and baryon budget of the galaxy.
Yu Luo, Zongnan Li, Xi Kang, Zhiyuan Li, Peng Wang   +4 more
openaire   +2 more sources

Identifying and Distinguishing Quenching Galaxies with Spatially Resolved Star Formation in TNG50

The Astrophysical Journal
Using the TNG50 simulation, we determine observationally motivated metrics that can distinguish quenching galaxies from star-forming galaxies for M _* ≥ 10 ^9.5 M _⊙ , based on the spatial distribution of their stellar populations. Quenching galaxies are
Cameron Lawlor-Forsyth, Michael L. Balogh, Elizaveta Sazonova, Cameron R. Morgan, Sean L. McGee, Gregory H. Rudnick   +5 more
doaj   +1 more source

Out There No One Has a Right to Die

Bioethics, EarlyView.
ABSTRACT The eventual goal of space exploration is to colonize exoplanets and their moons outside our solar system. This is a dangerous and immoral endeavour. The extraterrestrial life forms encountered would be hostile, vulnerable or both, and the descendants of the original pioneers would be involuntarily exposed to hazardous conditions and ...
Matti Häyry
wiley   +1 more source