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Exploring the Dynamic Radio Sky: The...

Mooley, Kunal P.

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Exploring the Dynamic Radio Sky: The Search for Slow Transients with the VLA.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Exploring the Dynamic Radio Sky: The Search for Slow Transients with the VLA./
Author:	Mooley, Kunal P.
Description:	317 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.
Contained By:	Dissertation Abstracts International76-09B(E).
Subject:	Astronomy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3701308
ISBN:	9781321718607

Exploring the Dynamic Radio Sky: The Search for Slow Transients with the VLA.
Mooley, Kunal P.

Exploring the Dynamic Radio Sky: The Search for Slow Transients with the VLA. - 317 p.

Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.

Thesis (Ph.D.)--California Institute of Technology, 2015.

While synoptic surveys in the optical and at high energies have revealed a rich discovery phase space of slow transients, a similar yield is still awaited in the radio. Majority of the past blind surveys, carried out with radio interferometers, have suffered from a low yield of slow transients, ambiguous transient classifications, and contamination by false positives. The newly-refurbished Karl G. Jansky Array (Jansky VLA) offers wider bandwidths for accurate RFI excision as well as substantially-improved sensitivity and survey speed compared with the old VLA. The Jansky VLA thus eliminates the pitfalls of interferometric transient search by facilitating sensitive, wide-field, and near-real-time radio surveys and enabling a systematic exploration of the dynamic radio sky. This thesis aims at carrying out blind Jansky VLA surveys for characterizing the radio variable and transient sources at frequencies of a few GHz and on timescales between days and years. Through joint radio and optical surveys, the thesis addresses outstanding questions pertaining to the rates of slow radio transients (e.g. radio supernovae, tidal disruption events, binary neutron star mergers, stellar flares, etc.), the false-positive foreground relevant for the radio and optical counterpart searches of gravitational wave sources, and the beaming factor of gamma-ray bursts. The need for rapid processing of the Jansky VLA data and near-real-time radio transient search has enabled the development of state-of-the-art software infrastructure. This thesis has successfully demonstrated the Jansky VLA as a powerful transient search instrument, and it serves as a pathfinder for the transient surveys planned for the SKA-mid pathfinder facilities, viz. ASKAP, MeerKAT, and WSRT/Apertif.

ISBN: 9781321718607Subjects--Topical Terms:

517668
Astronomy.

Exploring the Dynamic Radio Sky: The Search for Slow Transients with the VLA.
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