J/MNRAS/529/941 ART-XC Galactic bulge survey point sources cat. (Semena+, 2024)
SRG /ART-XC Galactic Bulge deep survey. II. Catalogue of point sources.
Semena A., Mereminskiy I., Lutovinov A.,Sazonov S., Arefiev V., Borisov K.,
Burenin R., Burenin R., Buntov M., Garanin S., Garin M., Grigorovich S.,
Karasev D., Krivonos R., Levin V., Lapshov I., Molkov S., Pavlinsky M.,
Shtykovsky A., Semena N., Sunyaev R., Tkachenko A., Vikhlinin A., Voron V.
<Mon. Not. R. Astron. Soc. 529, 941-952 (2024)>
=2024MNRAS.529..941S 2024MNRAS.529..941S (SIMBAD/NED BibCode)
ADC_Keywords: Galactic plane ; Binaries, X-ray ; X-ray sources ; Surveys
Keywords: X-ray binaries - Galactive center - sources catalog -
novae, cataclysmic variables
Abstract:
We present a catalog of point sources detected with the Mikhail
Pavlinsky ART-XC telescope on board 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 days of consecutive scanning
observations of the sky region |l|<6deg, |b|<2.5deg with the median
sensitivity of 4x10-13 erg/s/cm2 in the 4-12keV energy band,
which allows the detection of sources down to a luminosity of
3x1033erg/s near the Galactic Center. Using a maximum likelihood
based algorithm, 172 sources were detected. Of these, 153 are
registered on the average 4-12keV map and 18 sources are either
extremely hard (detected only at energies above 7keV) or highly
variable (detected only in individual scans shorter than a day). For
121 sources, there are plausible counterparts in other X-ray source
catalogs, including 43 with known classification. The remaining 51
sources are previously unknown objects, discovered by ART-XC during
the Galactic Bulge survey.
Description:
Localization and flux information for 172 point sources discovered in
X-ray survey conducted by SRG/ART-XC telescope. The survey covers the
sky region |l|<6deg, |b|<2.5 deg and reaches median sensitivity
of 4e-13erg/s/cm2 in 4-12keV energy band.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog.dat 354 172 Location and flux information for the
discovered sources
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See also:
J/A+A/661/A38 : SRG/ART-XC 1st year all-sky X-ray survey (Pavlinsky+, 2022)
Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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1- 21 A21 --- Name Source name in the catalog,
SRGa JHHMMSS.s+DDMMSS (srcname)
24- 31 F8.4 deg RAdeg Right ascension (J2000.0) (ra)
33- 40 F8.4 deg DEdeg Declination (J2000.0) (dec)
42- 46 A5 --- Type Source type found in literature (srctype)
48- 75 A28 --- ctp Counterpart common name (counterpart)
77- 84 E8.2 --- Cnts Estimated number of events produced by the
source in 4-12keV (CNTS)
86- 93 E8.2 s Exp Source vignetting corrected exposure (EXP)
95 I1 --- Hard [0/1] Does the source was discovered in the
hard energy band (7-12keV) (hard)
97 I1 --- Transient [0/1] Is source transient (was discovered only
in separate scans, see article) (transient)
99-106 E8.2 --- dlnl Source detection likelihood in 4-12keV energy
band (dlnl)
108-115 E8.2 --- dlnlS Source detection likelihood in 4-7keV energy
band (dlnl_soft)
117-124 E8.2 --- dlnlM Source detection likelihood in 7-12keV energy
band (dlnl_med)
126-133 E8.2 --- dlnlH Source detection likelihood in 12-20keV energy
band (dlnl_hard)
135-142 E8.2 1/s Rate The source count rate measured by the ART-XC
in 4-12keV energy band (rate)
144-151 E8.2 1/s e_Rate The source count rate lower error in 4-12keV
energy band (rate_lerr)
153-160 E8.2 1/s E_Rate The source count rate upper error in 4-12keV
energy band (rate_uerr)
162-169 E8.2 mW/m2 Flux The source flux estimated assuming the Crab
like source spectrum in 4-12keV energy band
(flux)
171-178 E8.2 mW/m2 e_Flux The source flux lower error in 4-12keV energy
band (flux_lerr)
180-187 E8.2 mW/m2 E_Flux The source flux upper error in 4-12keV energy
band (flux_uerr)
189-196 E8.2 1/s RateS The source count rate measured by the ART-XC
in 4-7keV energy band (rate_s)
198-205 E8.2 1/s e_RateS The source count rate lower error in 4-7keV
energy band (rateslerr)
207-214 E8.2 1/s E_RateS The source count rate upper error in 4-7keV
energy band (ratesuerr)
216-223 E8.2 mW/m2 FluxS The source flux estimated assuming the Crab
like source spectrum in 4-7keV energy band
(flux_s)
225-232 E8.2 mW/m2 e_FluxS The source flux lower error in 4-7keV energy
band (fluxslerr)
234-241 E8.2 mW/m2 E_FluxS The source flux upper error in 4-7keV energy
band (fluxsuerr)
243-250 E8.2 1/s RateM The source count rate measured by the ART-XC
in 7-12keV energy band (rate_m)
252-259 E8.2 1/s e_RateM The source count rate lower error in 7-12keV
energy band (ratemlerr)
261-268 E8.2 1/s E_RateM The source count rate upper error in 7-12keV
energy band (ratemuerr)
270-277 E8.2 mW/m2 FluxM The source flux estimated assuming the Crab
like source spectrum in 7-12keV energy band
(flux_m)
279-286 E8.2 mW/m2 e_FluxM The source flux lower error in 7-12keV energy
band (fluxmlerr)
288-295 E8.2 mW/m2 E_FluxM The source flux upper error in 7-12keV energy
band (fluxmuerr)
297-304 E8.2 1/s RateH The source count rate measured by the ART-XC
in 12-20keV energy band (rate_h)
306-313 E8.2 1/s e_RateH The source count rate lower error in 12-20keV
energy band (ratehlerr)
315-322 E8.2 1/s E_RateH The source count rate upper error in 12-20keV
energy band (ratehuerr)
324-331 E8.2 mW/m2 FluxH The source flux estimated assuming the Crab
like source spectrum in 12-20keV energy band
(flux_h)
333-340 E8.2 mW/m2 e_FluxH The source flux lower error in 12-20keV energy
band (fluxhlerr)
342-349 E8.2 mW/m2 E_FluxH The source flux upper error in 12-20keV energy
band (fluxhuerr)
351-354 F4.1 arcsec perr Equivalent radius (the radius of the circle
which would occupy the same area) of the 68%
localization confidence interval (perr)
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Acknowledgements:
Andrey Semena, san(at)iki.rssi.ru
(End) Andrey Semena [IKI, Russia], Patricia Vannier [CDS] 14-Feb-2024