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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Swift Deep Galactic Plane Survey classification of Swift J170800-402551.8 as a candidate intermediate polar cataclysmic variable
Monthly Notices of the Royal Astronomical Society, Volume 525, No. 4, Year 2023
Notification
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Description
Here, we present the results of our multiwavelength campaign aimed at classifying Swift J170800-402551.8 as part of the Swift Deep Galactic Plane Survey (DGPS). We utilized Target of Opportunity (ToO) observations with the Neil Gehrels Swift Observatory, Chandra X-ray Observatory, Neutron star Interior Composition Explorer (NICER), X-ray Multi-Mirror Mission (XMM-Newton), Nuclear Spectroscopic Telescope Array (NuSTAR), and the Southern African Large Telescope (SALT), as well as multiwavelength archival observations from Gaia, VST Photometric Hα Survey, and VISTA Variables in the Via Lactea. The source displays a periodicity of 784 s in our XMM-Newton observation. The X-ray spectrum (XMM-Newton and NuSTAR) can be described by thermal bremsstrahlung radiation with a temperature of kT ≈ 30 keV. The phase-folded X-ray light curve displays a double-peaked, energy-dependent pulse profile. We used Chandra to precisely localize the source, allowing us to identify and study the multiwavelength counterpart. Spectroscopy with SALT identified a Balmer H α line, and potential He i lines, from the optical counterpart. The faintness of the counterpart (r ≈ 21 AB mag) favours a low-mass donor star. Based on these criteria, we classify Swift J170800-402551.8 as a candidate intermediate polar cataclysmic variable, where the spin period of the white dwarf is 784 s. © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society.
Authors & Co-Authors
O'Connor, Brendan M.
United States, Washington, D.c.
The George Washington University
United States, College Park
University of Maryland, College Park
United States, Greenbelt
Nasa Goddard Space Flight Center
Göĝüş, Ersin
Unknown Affiliation
Mukai, Koji
United States, Washington, D.c.
National Aeronautics and Space Administration
United States, Baltimore
University of Maryland, Baltimore County Umbc
Huppenkothen, Daniela
Netherlands, Utrecht
Sron Netherlands Institute for Space Research
Brink, Jaco
South Africa, Cape Town
University of Cape Town
South Africa, Cape Town
South African Astronomical Observatory
Buckley, David A.H.
South Africa, Cape Town
University of Cape Town
South Africa, Cape Town
South African Astronomical Observatory
South Africa, Cape Town
Southern African Large Telescope
South Africa, Bloemfontein
University of the Free State
Levan, Andrew J.
Netherlands, Nijmegen
Radboud Universiteit
Baring, Matthew G.
United States, Houston
Rice University
Stewart, Rachael
United States, Washington, D.c.
The George Washington University
Kouveliotou, Chryssa K.
United States, Washington, D.c.
The George Washington University
Woudt, P. A.
South Africa, Cape Town
University of Cape Town
Bellm, Eric C.
United States, Seattle
University of Washington
Cenko, Stephen Bradley
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Evans, Philip Andrew
United Kingdom, Leicester
University of Leicester
Granot, Jonathan
United States, Washington, D.c.
The George Washington University
Israel, Tel Aviv-yafo
Open University of Israel
Hailey, Charles J.
United States, New York
Columbia University
Harrison, Fiona A.
United States, Pasadena
California Institute of Technology
Hartmann, Dieter H.
United States, Clemson
Clemson University
van der Horst, Alexander J.
United States, Washington, D.c.
The George Washington University
Kaper, Lex 9.
Netherlands, Amsterdam
Universiteit Van Amsterdam
Potter, Stephen B.
South Africa, Cape Town
South African Astronomical Observatory
South Africa, Johannesburg
University of Johannesburg
Slane, Patrick O.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Stern, Daniel K.
United States, Pasadena
Jet Propulsion Laboratory
Wijers, Ralph A.M.J.
United States, Washington, D.c.
The George Washington University
Netherlands, Amsterdam
Universiteit Van Amsterdam
Younes, George A.
United States, Washington, D.c.
The George Washington University
United States, Greenbelt
Nasa Goddard Space Flight Center
Statistics
Citations: 2
Authors: 25
Affiliations: 23
Identifiers
Doi:
10.1093/mnras/stad2633
ISSN:
00358711
Research Areas
Cancer
Study Design
Cross Sectional Study
Study Approach
Quantitative