Email this article SRG/ART-XC Galactic Plane Survey near Galactic Longitude L 20◦ : Catalog of Sources
- Authors: Pavlinsky M.N.1, Tkachenko A.Y.1, Shtykovsky A.E.1, Karasev D.I.1, Semena A.N.1, Mereminskiy I.A.1, Lutovinov A.А.1, Burenin R.A.1, Krivonos R.A.1, Sazonov S.Y.1, Arefiev V.A.1, Buntov M.V.1, Lapshov I.Y.1, Левин V.V.1
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Affiliations:
- Space Research Institute, Russian Academy of Sciences
- Issue: Vol 49, No 11 (2023)
- Pages: 735-745
- Section: Articles
- URL: https://journals.rcsi.science/0320-0108/article/view/254235
- DOI: https://doi.org/10.31857/S0320010823110037
- EDN: https://elibrary.ru/NPZDDG
- ID: 254235
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Abstract
We present a catalog of sources detected by theMikhail Pavlinsky ART-XC telescope onboard
the SRG space observatory during the observations of the Galactic plane region near a longitude l 20◦
(L20 field) in October 2019. The L20 field was observed four times in the scanning mode, which provided
a uniform coverage of the sky region with a total area of 24 sq. deg with a median sensitivity of 8 ×
10−13 erg s−1 cm−2 (at 50% detection completeness) in the 4–12 keV energy band. As a result, we have
detected 29 X-ray sources at a statistically significant level, 11 of which have not been detected previously
by other X-ray observatories. Preliminary estimates show that four of themcan presumably be extragalactic
in nature. We also show that the source SRGA J183220.1−103508 (CXOGSG J183220.8−103510) is
most likely a galaxy cluster containing a bright radio galaxy at redshift z 0.121.
About the authors
M. N. Pavlinsky
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
A. Yu. Tkachenko
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
A. E. Shtykovsky
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
D. I. Karasev
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
A. N. Semena
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
I. A. Mereminskiy
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
A. А. Lutovinov
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
R. A. Burenin
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
R. A. Krivonos
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
S. Yu. Sazonov
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
V. A. Arefiev
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
M. V. Buntov
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
I. Yu. Lapshov
Space Research Institute, Russian Academy of Sciences
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
V. V. Левин
Space Research Institute, Russian Academy of Sciences
Author for correspondence.
Email: dkarasev@cosmos.ru
Moscow, 117997 Russia
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