Results 101 to 110 of about 37,734 (223)

A MeerKAT Polarization Survey of Southern Calibration Sources

open access: yesThe Astronomical Journal
We report on full-Stokes L -band observations of 98 MeerKAT calibration sources. Linear polarization is detected in 71 objects above a fractional level of 0.2%.
A. R. Taylor, L. S. Legodi
doaj   +1 more source

The AllWISE Catalog as an Infrared Celestial Reference Frame in the Gaia Era

open access: yesThe Astronomical Journal
The launch of Gaia in 2013 December ushered in a new era of space astrometry, allowing for fundamental reference research at an unprecedented level of precision.
J.-C. Liu   +5 more
doaj   +1 more source

Gamma rays from extragalactic radio sources [PDF]

open access: yes
It is proposed that the important connection between 3C 273 and 3C 279, the first two extragalactic sources detected at greater than 100 MeV energies, is their superluminal nature.
Dermer, Charles D.   +2 more
core   +1 more source

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