Results 81 to 90 of about 103,703 (233)

THERMAL AND RADIATIVE ACTIVE GALACTIC NUCLEUS FEEDBACK HAVE A LIMITED IMPACT ON STAR FORMATION IN HIGH-REDSHIFT GALAXIES [PDF]

open access: yes, 2014
The effects of active galactic nuclei (AGNs) on their host galaxies depend on the coupling between the injected energy and the interstellar medium (ISM). Here, we model and quantify the impact of long-range AGN ionizing radiation—in addition to the often
O. Roos   +3 more
semanticscholar   +1 more source

ALMA 1.1mm Observations of a Conservative Sample of High Redshift Massive Quiescent Galaxies in SHELA [PDF]

open access: green, 2023
Katherine Chworowsky   +13 more
openalex   +1 more source

Cosmology with Gravitational Waves: A Review

open access: yesAnnalen der Physik, Volume 536, Issue 2, February 2024.
The review gives an overview of the most recent advances in gravitational‐wave (GWs) cosmology. After an in‐depth discussion of methodologies and tools for GW cosmology, it presents the latest results on measurements of standard cosmological parameters from the LIGO, Virgo, and KAGRA detections.
Simone Mastrogiovanni   +6 more
wiley   +1 more source

ACCOUNTING FOR COSMIC VARIANCE IN STUDIES OF GRAVITATIONALLY LENSED HIGH-REDSHIFT GALAXIES IN THE HUBBLE FRONTIER FIELD CLUSTERS [PDF]

open access: yes, 2014
Strong gravitational lensing provides a powerful means for studying faint galaxies in the distant universe. By magnifying the apparent brightness of background sources, massive clusters enable the detection of galaxies fainter than the usual sensitivity ...
B. Robertson   +5 more
semanticscholar   +1 more source

Late-time growth weakly affects the significance of high-redshift massive galaxies

open access: yesThe Open Journal of Astrophysics
Recent observations by the James Webb Space Telescope have revealed massive galaxies at very high redshift ($z\simeq 7-15$). The question of whether the existence of such galaxies is expected in the corresponding JWST surveys has received a lot of ...
Qianran Xia   +2 more
doaj   +1 more source

Stratified learning: A general‐purpose statistical method for improved learning under covariate shift

open access: yesStatistical Analysis and Data Mining: The ASA Data Science Journal, Volume 17, Issue 1, February 2024.
Abstract We propose a simple, statistically principled, and theoretically justified method to improve supervised learning when the training set is not representative, a situation known as covariate shift. We build upon a well‐established methodology in causal inference and show that the effects of covariate shift can be reduced or eliminated by ...
Maximilian Autenrieth   +3 more
wiley   +1 more source

IS THERE A MAXIMUM STAR FORMATION RATE IN HIGH-REDSHIFT GALAXIES?,,, [PDF]

open access: yes, 2014
We use the James Clerk Maxwell Telescope's SCUBA-2 camera to image a 400 arcmin2 area surrounding the GOODS-N field. The 850 μm rms noise ranges from a value of 0.49 mJy in the central region to 3.5 mJy at the outside edge.
A. Barger   +11 more
semanticscholar   +1 more source

Inkjet Printed Photonic Cellulose Nanocrystal Patterns

open access: yesAdvanced Materials, Volume 36, Issue 1, January 4, 2024.
Patterned arrays of photonic cellulose nanocrystal microfilms are prepared by inkjet printing. By dispensing directly through an oil layer, the printing and drying processes can be decoupled, which avoids the coffee stain effect and enables complex arrays to be produced.
Cyan A. Williams   +4 more
wiley   +1 more source

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