Results 61 to 70 of about 2,193 (179)

A new sample of faint Blazar cAndidates with Strong opticAl variabiLiTy (BASALT)

open access: yesAstronomy & Astrophysics
We present a sample of blazar candidates from the Very Large Array Sky Survey (VLASS) catalog, with cross-referencing to optical and infrared data from the Panoramic Survey Telescope & Rapid Response System (Pan-STARRS) and the Wide-Field Infrared Survey
Casadei Samantha   +4 more
doaj   +1 more source

Collagen organisation in the fibrous joint capsules in the digits of the human hand

open access: yesJournal of Anatomy, Volume 248, Issue 4, Page 612-623, April 2026.
The function of the finger joints is important for daily life. In this review of the literature, we consider the role of collagen and its organization within the fibrous finger joint capsules of the interphalangeal (IP) joints and investigate the relationships between collagen orientation and joint function. Abstract Normal function of the hand and, in
Fiona R. Saunders   +3 more
wiley   +1 more source

Radiation processes in blazars [PDF]

open access: yesAIP Conference Proceedings, 1997
We present an overview of the current theoretical models attempting to describe the structure and radiative processes operating in blazars and discuss the observational constraints that these models must confront.
openaire   +2 more sources

Powers and Magnetization of Blazar Jets

open access: yesGalaxies, 2016
In this work I review the observational constraints imposed on the energetics and magnetisation of quasar jets, in the context of theoretical expectations.
Marek Sikora
doaj   +1 more source

Localized Teacher Recruitment Through “Grow‐Your‐Own”: Impacts of the High School Teacher Academy of Maryland Program

open access: yesJournal of Policy Analysis and Management, Volume 45, Issue 2, Spring 2026.
ABSTRACT Recruiting teachers via “grow‐your‐own” (GYO) programs is a popular, yet rarely evaluated, strategy for addressing local workforce shortages and ensuring that incoming teachers resemble, understand, and have strong connections to their communities.
David Blazar   +4 more
wiley   +1 more source

Characterising the Long-Term Variability of Blazars in Leptonic Models

open access: yesGalaxies, 2019
Most research on blazar variability focuses on individual flares to explain acceleration and radiation mechanisms and improve on current models. These short-time events (being minutes, hours, or days) might not be representative of the underlying ...
Hannes Thiersen   +2 more
doaj   +1 more source

Increasing Latinx migratory high school students' engineering interest and self‐efficacy beliefs: A culturally responsive gamified engineering design activity

open access: yesJournal of Engineering Education, Volume 115, Issue 1, January 2026.
Abstract Background The ongoing underrepresentation of Latinx students, particularly girls, in engineering calls for new approaches to broaden participation. The present study aims to address this disparity by implementing a culturally responsive gamified engineering activity for migratory high school students, an often‐overlooked subset of Latinx ...
Dina Verdín   +2 more
wiley   +1 more source

Multiwavelength properties of blazars [PDF]

open access: yesAdvances in Space Research, 1998
Blazar spectral energy distributions (SEDs) are double peaked and follow a self-similar sequence in luminosity. The so-called "blue" blazars, whose first SED component peaks at X-ray energies, are TeV sources, although with a relatively small fraction of their bolometric luminosities.
openaire   +3 more sources

Variability in blazars [PDF]

open access: yesAstronomy and Astrophysics Supplement Series, 1998
The results of both BVRI CCD photometric monitoring and fast photometry for 8 blazars and variable quasars are presented. There is intraday variability for 6 blazars and very short timescales (minutes to two hours) variability for 5 objects. Implications for relativistic beaming are briefly discussed.
Guibin Jia   +3 more
openaire   +1 more source

Testing the Blazar Sequence with Spectra of Recently Discovered Dim Blazars from the Fermi Unassociated Catalog

open access: yesThe Astrophysical Journal, 2023
Recent works have developed samples of blazars from among the Fermi Large Area Telescope unassociated sources via machine-learning comparisons with known blazar samples. Continued analysis of these new blazars tests the predictions of the blazar sequence
Stephen Kerby, Abraham D. Falcone
doaj   +1 more source

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