Results 31 to 40 of about 3,795,687 (315)

ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: THE INFRARED EXCESS OF UV-SELECTED z = 2–10 GALAXIES AS A FUNCTION OF UV-CONTINUUM SLOPE AND STELLAR MASS [PDF]

, 2016
We make use of deep 1.2 mm continuum observations (12.7 μJy beam−1 rms) of a 1 arcmin2 region in the Hubble Ultra Deep Field to probe dust-enshrouded star formation from 330 Lyman-break galaxies spanning the redshift range z = 2–10 (to ∼2–3 M⊙ yr−1 at 1σ
Rychard J. Bouwens, M. Aravena, R. Decarli, F. Walter, E. da Cunha, I. Labbé, Franz E. Bauer, F. Bertoldi, C. Carilli, S. Chapman, E. Daddi, J. Hodge, Rob J. Ivison, A. Karim, O. Le Fèvre, B. Magnelli, K. Ota, D. Riechers, Ian R. Smail, P. P. van der Werf, A. Weiss, P. Cox, D. Elbaz, J. González-López, L. Infante, P. Oesch, J. Wagg, S. Wilkins   +27 more
semanticscholar   +1 more source

The Constant Average Relationship between Dust-obscured Star Formation and Stellar Mass from z = 0 to z = 2.5 [PDF]

, 2017
The total star formation budget of galaxies consists of the sum of the unobscured star formation, as observed in the rest-frame ultraviolet (UV), together with the obscured component that is absorbed and re-radiated by dust grains in the infrared.
K. Whitaker, A. Pope, R. Cybulski, C. Casey, G. Popping, M. Yun   +5 more
semanticscholar   +1 more source

Limits on Stellar-Mass Compact Objects as Dark Matter from Gravitational Lensing of Type Ia Supernovae. [PDF]

Physical Review Letters, 2017
The nature of dark matter (DM) remains unknown despite very precise knowledge of its abundance in the Universe. An alternative to new elementary particles postulates DM as made of macroscopic compact halo objects (MACHO) such as black holes formed in the
M. Zumalacárregui, U. Seljak
semanticscholar   +1 more source

Simulating galaxies in the reionization era with FIRE-2: galaxy scaling relations, stellar mass functions, and luminosity functions [PDF]

, 2017
We present a suite of cosmological zoom-in simulations at z>5 from the Feedback In Realistic Environments project, spanning a halo mass range M_halo~10^8-10^12 M_sun at z=5.
Xiangcheng Ma, P. Hopkins, S. Garrison-Kimmel, C. Faucher-Giguére, E. Quataert, M. Boylan-Kolchin, C. Hayward, R. Feldmann, Duvsan Kerevs Caltech, Northwestern, Berkeley, Ut-Austin, Flatiron, Cfa, U. Zurich, Ucsd   +15 more
semanticscholar   +1 more source

The Effects of Environment on the Evolution of the Galaxy Stellar Mass Function [PDF]

, 2018
We study the effects of galaxy environment on the evolution of the stellar mass function (SMF) over 0.2 < z < 2.0 using the FourStar Galaxy Evolution (ZFOURGE) Survey and NEWFIRM Medium-Band Survey (NMBS) down to the stellar mass completeness limit, (9.5)
C. Papovich, L. Kawinwanichakij, R. Quadri, K. Glazebrook, I. Labbé, K. Tran, Ben Forrest, G. Kacprzak, L. Spitler, C. Straatman, A. Tomczak   +10 more
semanticscholar   +1 more source

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

Assisted inspirals of stellar mass black holes embedded in AGN discs: solving the ‘final au problem’ [PDF]

, 2016
We explore the evolution of stellar mass black hole binaries (BHBs) which are formed in the self-gravitating disks of active galactic nuclei (AGN). Hardening due to three-body scattering and gaseous drag are effective mechanisms that reduce the semi ...
N. Stone, B. Metzger, Z. Haiman
semanticscholar   +1 more source

GAMA/G10-COSMOS/3D-HST: the 0 < z < 5 cosmic star formation history, stellar-mass, and dust-mass densities [PDF]

, 2017
We use the energy-balance code MAGPHYS to determine stellar and dust masses, and dust corrected star-formation rates for over 200,000 GAMA galaxies, 170,000 G10-COSMOS galaxies and 200,000 3D-HST galaxies.
S. Driver, S. Andrews, E. D. Cunha, L. Davies, C. Lagos, A. Robotham, K. Vinsen, A. Wright, M. Alpaslan, J. Bland-Hawthorn, N. Bourne, S. Brough, M. Bremer, M. Cluver, M. Colless, C. Conselice, L. Dunne, S. Eales, H. Gomez, B. Holwerda, A. Hopkins, P. Kafle, L. Kelvin, J. Loveday, J. Liske, S. Maddox, S. Phillipps, K. Pimbblet, K. Rowlands, A. Sansom, E. Taylor, Lingyu Wang, S. Wilkins   +32 more
semanticscholar   +1 more source

Orbital Migration of Interacting Stellar Mass Black Holes in Disks around Supermassive Black Holes

, 2019
The merger rate of stellar-mass black hole binaries (sBHBs) inferred by the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO) suggests the need for an efficient source of sBHB formation.
Amy Secunda, J. Bellovary, M. M. Low, K. Ford, B. McKernan, N. Leigh, W. Lyra, Z. Sándor   +7 more
semanticscholar   +1 more source

The Incomplete Conditional Stellar Mass Function: Unveiling the Stellar Mass Functions of Galaxies at 0.1 < Z < 0.8 from BOSS Observations [PDF]

, 2018
We propose a novel method to constrain the missing fraction of galaxies using galaxy clustering measurements in the galaxy conditional stellar mass function (CSMF) framework, which is applicable to surveys that suffer significantly from sample selection ...
Hong Guo, Xiaohu Yang, Yi Lu
semanticscholar   +1 more source