SRG/ART-XC Galactic Bulge deep survey. II. Catalogue of point sources

被引：2

作者：

Semena, A. ^{[1
]}

Mereminskiy, I ^{[1
]}

Lutovinov, A. ^{[1
]}

Sazonov, S. ^{[1
]}

Arefiev, V ^{[1
]}

Borisov, K. ^{[2
]}

Burenin, R. ^{[1
]}

Buntov, M. ^{[1
]}

Garanin, S. ^{[3
]}

Garin, M. ^{[3
]}

Grigorovich, S. ^{[3
]}

Karasev, D. ^{[1
]}

Krivonos, R. ^{[1
]}

Levin, V ^{[1
]}

Lapshov, I ^{[1
]}

Molkov, S. ^{[1
]}

Pavlinsky, M. ^{[1
]}

Shtykovsky, A. ^{[1
]}

Semena, N. ^{[1
]}

Sunyaev, R. ^{[1
]}

Tkachenko, A. ^{[1
]}

Vikhlinin, A. ^{[1
,4
]}

Voron, V. ^{[2
]}

机构：

[1] RAS, Space Res Inst, 84-32 Profsoyuznaya Str, Moscow 117997, Russia

[2] State Space Corp Roscosmos, 42 Schepkina Str, Moscow 107996, Russia

[3] VNIIIEF, Sarov 607188, Nizhny Novgorod, Russia

[4] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2024年 / 529卷 / 02期

关键词：

X-rays: binaries; Galaxy: centre; catalogues; novae; cataclysmic variables; RAY BINARIES; CHANDRA OBSERVATIONS; XMM-NEWTON; MILKY-WAY; TELESCOPE; GRANAT; IDENTIFICATION; DISCOVERY; ORIGIN;

D O I：

10.1093/mnras/stae189

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a catalogue of point sources detected with the Mikhail Pavlinsky ART-XC telescope onboard the SRG observatory during a wide-field survey of the Galactic Bulge that was conducted as part of the mission's calibration and performance verification phase in 2019. The survey consisted of nearly 18 d of consecutive scanning observations of the sky region |l| < 6 deg, |b| < 2.5 deg with the median sensitivity of 4 x 10(-13) erg s(-1) cm(-2) in the 4-12 keV energy band, which allows the detection of sources down to a luminosity of 3 x 10(33) erg s(-1) near the Galactic Centre. Using a maximum-likelihood-based algorithm, 172 sources were detected. Of these, 153 are registered on the average 4-12 keV map and 18 sources are either extremely hard (detected only at energies above 7 keV) or highly variable (detected only in individual scans shorter than a day). For 121 sources, there are plausible counterparts in other X-ray source catalogues, including 43 with known classification. The remaining 51 sources are previously unknown objects, discovered by ART-XC during the Galactic Bulge survey.

引用

页码：941 / 952

页数：12

共 50 条

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