Results 141 to 150 of about 51,136 (327)

Irradiated brown dwarfs

open access: yes, 2013
We have observed the post common envelope binary WD0137-349 in the near infrared $J$, $H$ and $K$ bands and have determined that the photometry varies on the system period (116 min).
Burleigh, M. R.   +5 more
core  

Three Brown Dwarfs Masquerading as High-redshift Galaxies in JWST Observations

open access: yesThe Astrophysical Journal
We report the spectroscopic identification of three brown dwarf candidates—o005_s41280, o006_s00089, and o006_s35616—discovered in RUBIES using James Webb Space Telescope (JWST) Near-Infrared Spectrograph PRISM/CLEAR spectroscopy.
Zhijun Tu   +3 more
doaj   +1 more source

The sense that we're invisible: A longitudinal analysis of diverse women's experiences with structural violence in biomedical doctoral programs

open access: yesJournal of Research in Science Teaching, EarlyView.
Abstract A longstanding and significant disparity in representation across gender, economic status, ethnicity, race, and sexual identity exists within STEM doctoral training. Most of the research on the retention and attrition of minoritized PhD STEM students focuses on individual factors, rather than system level issues.
Ida Salusky   +4 more
wiley   +1 more source

Host species and age‐specific variation on Hepatozoon prevalence and its effect on body condition in two Neotropical crocodiles

open access: yesWildlife Biology, EarlyView.
Many populations of species belonging to the order Crocodilia are threatened due to illegal trafficking, indiscriminate hunting, and habitat loss and degradation affecting crocodilian health and parasitic load. Although several studies have revealed that crocodiles, caimans, and alligators are frequently infected by Hepatozoon spp., the results from ...
Alfonso Marzal   +13 more
wiley   +1 more source

Winter browsing by moose (Alces alces) in a forested mountainous landscape of west–central Sweden

open access: yesWildlife Biology, EarlyView.
Browsing ecology involving ungulates and their food resource is complex as consumption may reflect responses to various factors, such as quantity and quality of browse species. This study investigated winter browsing by moose Alces alces in a mountainous landscape of west–central Sweden, characterized by Norway spruce Picea abies production forests ...
Ella Hambeson   +2 more
wiley   +1 more source

Microlensing, Brown Dwarfs and GAIA

open access: yes, 2014
The GAIA satellite can precisely measure the masses of nearby brown dwarfs and lower main sequence stars by the microlensing effect. The scientific yield is maximised if the microlensing event is also followed with ground-based telescopes to provide densely sampled photometry. There are two possible strategies. First, ongoing events can be triggered by
openaire   +3 more sources

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