Results 61 to 70 of about 53,034 (302)

The potential for Earth-mass planet formation around brown dwarfs

open access: yes, 2007
Recent observations point to the presence of structured dust grains in the discs surrounding young brown dwarfs, thus implying that the first stages of planet formation take place also in the sub-stellar regime.
Lodato, Giuseppe, Payne, Matthew J.
core   +1 more source

The brown dwarf population in the Chamaeleon I cloud [PDF]

open access: yes, 2003
We present the results of a multiband survey for brown dwarfs in the Chamaeleon I dark cloud with the Wide Field Imager (WFI) camera at the ESO/MPG 2.2-m telescope on La Silla (Chile).
A. Scholz   +80 more
core   +3 more sources

Optimized Risk Assessment in Forensic Practice: A Comparison of Machine Learning and Manual Scoring Approaches

open access: yesBehavioral Sciences &the Law, EarlyView.
ABSTRACT As correctional jurisdictions and risk instrument developers look to optimize scoring for specific population needs, an open question remains ‐ which method is optimal. Popular scoring methods range from manual simple scoring approaches (e.g., Burgess) to more complex machine learning algorithms (e.g., random forests).
Danielle J. Rieger   +2 more
wiley   +1 more source

Disk or Companion: Characterizing Excess Infrared Flux in Seven White Dwarf Systems with Near-infrared Spectroscopy

open access: yesThe Astronomical Journal, 2023
Excess infrared flux from white dwarf stars is likely to arise from a dusty debris disk or a cool companion. In this work, we present near-infrared spectroscopic observations with Keck/MOSFIRE, Gemini/GNIRS, and Gemini/Flamingos-2 of seven white dwarfs ...
Dylan Owens   +9 more
doaj   +1 more source

An improved method to efficiently acquire rice black-streaked dwarf virus viruliferous small brown planthoppers [PDF]

open access: gold, 2023
Linlin Du   +9 more
openalex   +1 more source

The Porcupine Survey: A Distributed Survey and WISE Followup [PDF]

open access: yes, 2007
Spitzer post-cryogen observations to perform a moderate depth survey distributed around the sky are proposed. Field centers are chosen to be WISE brown dwarf candidates, which will typically be 160 µJy at 4.7 µm and randomly distributed around the sky ...
A. K. Mainzer   +6 more
core   +1 more source

“Train and Hope”: The Role of Restorative Justice Coordinators in Sustaining a Culture of Care in Schools

open access: yesConflict Resolution Quarterly, EarlyView.
ABSTRACT This article examines the role of restorative justice coordinators in supporting teachers and schools in adopting a whole‐school approach to restorative justice in education. Coordinators are often tasked with implementing a train‐and‐hope model, in which they receive initial training in restorative justice but are largely left unsupported ...
Crystena Parker‐Shandal   +3 more
wiley   +1 more source

Market Perceptions of ESG Reputational Risk in the US Pharmaceutical Industry

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Negative ESG‐related reputational events generate significant corporate risks, particularly within sensitive sectors such as the pharmaceutical industry. Using novel reputational data, this research investigates investor perceptions of the consequences of experienced ESG breaches among US pharmaceutical firms.
Erdinc Akyildirim   +3 more
wiley   +1 more source

Atmospheric Abundances and Bulk Properties of the Binary Brown Dwarf Gliese 229Bab from JWST/MIRI Spectroscopy

open access: yesThe Astrophysical Journal Letters
We present JWST/Mid Infrared Instrument (MIRI) low-resolution spectroscopy (4.75–14 μ m) of the first known substellar companion, Gliese 229Bab, which was recently resolved into a tight binary brown dwarf.
Jerry W. Xuan   +10 more
doaj   +1 more source

Formation of low-mass stars and brown dwarfs

open access: yes, 2011
These lectures attempt to expose the most important ideas, which have been proposed to explain the formation of stars with particular emphasis on the formation of brown dwarfs and low-mass stars.
Adams   +128 more
core   +2 more sources

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