Articles with "lofar observations" as a keyword



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LOFAR observations of X-ray cavity systems

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa1594

Abstract: We present LOFAR observations at 120-168 MHz of 42 systems with possible X-ray cavities in their hot atmosphere, of which 17 are groups or ellipticals, 19 are nearby clusters (z 0.3). The X-ray cavities, formed… read more here.

Keywords: radio; ray cavities; lofar observations; cavity systems ... See more keywords
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On the Selection of High-z Quasars Using LOFAR Observations

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Published in 2018 at "Frontiers in Astronomy and Space Sciences"

DOI: 10.3389/fspas.2018.00005

Abstract: We present a method to identify candidate quasars which combines optical/infrared color selection with radio detections from the Low Frequency ARray (LOFAR) at 150MHz. We apply this {method} in a region of 9 square degrees… read more here.

Keywords: high quasars; using lofar; selection high; lofar observations ... See more keywords