J/A+A/545/A27 INTEGRAL/IBIS 9-year Galactic hard X-ray survey (Krivonos+, 2012)
INTEGRAL/IBIS nine-year Galactic hard X-ray survey.
Krivonos R., Tsygankov S., Lutovinov S., Revnivtsev M., Churazov E.,
Sunyaev R.
<Astron. Astrophys. 545, A27 (2012)>
=2012A&A...545A..27K 2012A&A...545A..27K
ADC_Keywords: X-ray sources ; Gamma rays ; Surveys
Mission_Name: INTEGRAL
Keywords: surveys - X-rays: general - catalogs
Abstract:
We present sky images, sensitivity maps, and catalogs of detected
sources in the three energy bands 17-60, 17-35, and 35-80keV in the
Galactic plane at |b|<17.5 degrees. The total number of sources in the
reference 17-60keV band includes 402 objects exceeding a 4.7σ
detection threshold on the nine-year time-averaged map. Among the
identified sources with known and tentatively identified natures, 253
are Galactic objects (108 low-mass X-ray binaries, 82 high-mass X-ray
binaries, 36 cataclysmic variables, and 27 are of other types), and
115 are extragalactic objects, including 112 active galactic nuclei
(AGNs) and 3 galaxy clusters. The sample of Galactic sources with
S/N>4.7 sigma has an identification completeness of ∼92%, which is
valuable for population studies. Since the survey is based on the
nine-year sky maps, it is optimized for persistent sources and may be
biased against finding transients.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog.dat 243 402 The catalogue of hard X-ray sources
refs.dat 80 161 References
maps.dat 85 126 List of maps
maps/* . 3 Maps, in 3 energy bands and 6 regions
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See also:
J/PAZh/30/430 : INTEGRAL X-ray source in Galactic center (Revnivtsev+, 2004)
J/PAZh/30/589 : Hard X-ray catalog of Sagittarius arm (Molkov+, 2004)
J/A+A/475/775 : INTEGRAL all-sky survey of hard X-ray sources (Krivonos+, 2007)
J/A+A/523/A61 : INTEGRAL all-sky survey of hard X-ray sources (Krivonos+, 2010)
Description of file: maps/*
There are three directories for three energy bands:
e0017_0035, e0017_0060 and e0035_0080.
Every directory contains six directories with
corresponding 70x36 deg. sky mosaics:
GAL-Survey+115 (l=+115°), GAL-Survey+50 (l=+50°),
GAL-Survey-115 (l=-115°), GAL-Survey-50 (l=-50°),
GAL-Survey-AC (l=180°) and GAL-Survey-GC (l=0°).
Files are :
*.fpsf.fits - sky flux in mCrab, convolved with instrumental PSF
(2D Gaussian, σ=5')
*.epsf.fits - 1 σ errors, mCrab (PSF convolved)
*.spsf.fits - significance map, (PSF convolved)
*_mapdld.fits - raw sky mosaics (not convolved with PSF)
*.png - images in PNG format
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Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Seq [1/402] Running number
5- 25 A21 --- Name Object name
28- 34 F7.3 deg RAdeg Right Ascension J2000 (in decimal degrees)
37- 43 F7.3 deg DEdeg Declination J2000 (in decimal degrees)
45 I1 --- cf [0/1] Spatial confusion (1)
47- 54 F8.4 mCrab Flux1 17-60keV flux, in mCrab
(1mCrab=1.43nW/m2=1.43*10-11erg/s/cm2) (2)
56- 61 F6.4 mCrab e_Flux1 17-60keV 1 σ flux error, in mCrab
(1mCrab=1.43nW/m2=1.43*10-11erg/s/cm2)
63- 70 F8.4 mCrab Flux2 17-35keV flux, in mCrab
(1mCrab=8.41nW/m2=8.41*10-12erg/s/cm2) (2)
72- 77 F6.4 mCrab e_Flux2 17-35keV 1 σ flux error, in mCrab
(1mCrab=8.41nW/m2=8.41*10-12erg/s/cm2)
79- 86 F8.4 mCrab Flux3 35-80keV flux, in mCrab
(1mCrab=8.92nW/m2=8.92*10-12erg/s/cm2) (2)
88- 93 F6.4 mCrab e_Flux3 35-80keV 1 σ flux error, in mCrab
(1mCrab=8.92nW/m2=8.92*10-12erg/s/cm2)
95-102 A8 --- Type Source astrophysical type (3)
104-111 A8 --- Refs Reference number in refs.dat file (4)
113-243 A131 --- Notes Additional notes such as type subclass, redshift
information, alternative source names (5)
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Note (1): Spatial confusion, source flux should be taken with the caution.
In notes, the spatial confusion with the source XXX is indicated as CXXX.
Note (2): Source flux was measured on the nine-year time-averaged map
(Dec 2002 - Jan 2011). Flux is expressed in mCrab units.
Note (3): General astrophysical type of the object:
LMXB = low-mass X-ray binary
HMXB = high-mass X-ray binary
AGN = active galactic nucleus
SNR/PWN = supernova remnant/pulsar wind nebula
CV = cataclysmic variable
PSR = isolated pulsar or pulsar wind nebula
SGR = soft gamma repeater
SymbStr = symbiotic star
Cluster = cluster of galaxies
The question mark indicates that the specified type is not firmly
determined, so it should be confirmed.
Note (4): References are mainly provided for new sources and are related to
their discovery and/or nature.
Note (5): The spatial confusion with the source XXX is indicated as CXXX.
The measured flux of sources being in spatial confusion should be taken with
the caution. Redshift of the extragalactic sources was obtained from the
SIMBAD and NED database.
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Byte-by-byte Description of file: refs.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Ref Reference number
5- 23 A19 --- BibCode BibCode
25- 58 A34 --- Aut Firat author's name and short reference
60- 80 A21 --- Com Comments
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Byte-by-byte Description of file: maps.dat
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Bytes Format Units Label Explanations
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1- 5 A5 keV Band Energy band (low-high)
7- 10 I4 deg GLON Region Galactic longitude
12 I1 deg GLAT [0] Region Galactic latitude
14- 71 A58 --- FileName Name of the file in subdirectory maps
75- 85 A11 --- Name Type of document (1)
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Note (1): Names correspond to:
fpsf.fits = sky flux in mCrab, convolved with instrumental PSF
(2D Gaussian, σ=5')
epsf.fits = 1 σ errors, mCrab (PSF convolved)
spsf.fits = significance map, (PSF convolved)
mapdld.fits = raw sky mosaics (not convolved with PSF)
img.png = finding chart
noreg.png = region image
histo.png = histogram
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Acknowledgements:
R. Krivonos, krivonos(at)iki.rssi.ru
Based on observations with INTEGRAL, an ESA project with instruments
and science data centre funded by ESA member states (especially the PI
countries: Denmark, France, Germany, Italy, Switzerland, Spain), Czech
Republic, and Poland, and with the participation of Russia and the USA
(End) Patricia Vannier [CDS] 19-Jul-2012