J/ApJS/207/36 2nd MAXI/GSC catalog in high galactic-latitude sky (Hiroi+, 2013)
The 37 month MAXI/GSC source catalog of the high galactic-latitude sky.
Hiroi K., Ueda Y., Hayashida M., Shidatsu M., Sato R., Kawamuro T.,
Sugizaki M., Nakahira S., Serino M., Kawai N., Matsuoka M., Mihara T.,
Morii M., Nakajima M., Negoro H., Sakamoto T., Tomida H., Tsuboi Y.,
Tsunemi H., Ueno S., Yamaoka K., Yoshida A., Asada M., Eguchi S.,
Hanayama T., Higa M., Ishikawa K., Ishikawa M., Isobe N., Kohama M.,
Kimura M., Morihana K., Nakagawa Y.E., Nakano Y., Nishimura Y., Ogawa Y.,
Sasaki M., Sugimoto J., Takagi T., Usui R., Yamamoto T., Yamauchi M.,
Yoshidome K.
<Astrophys. J. Suppl. Ser., 207, 36 (2013)>
=2013ApJS..207...36H 2013ApJS..207...36H
ADC_Keywords: X-ray sources ; Redshifts ; Cross identifications
Keywords: catalogs - galaxies: active - surveys - X-rays: galaxies
Abstract:
We present a catalog of high Galactic-latitude (|b|>10°) X-ray
sources detected in the first 37 months of data of the Monitor of
All-sky X-ray Image/Gas Slit Camera (MAXI/GSC). To achieve the best
sensitivity, we develop a background model of the GSC that well
reproduces the data based on the detailed on-board calibration. Source
detection is performed through image fits with a Poisson likelihood
algorithm. The catalog contains 500 objects detected with
significances of sD,4-10keV≥7 in the 4-10keV band. The limiting
sensitivity is ∼7.5x10-12erg/cm2/s (∼0.6mCrab) in the 4-10keV band
for 50% of the survey area, which is the highest ever achieved in an
all-sky survey mission covering this energy band. We summarize the
statistical properties of the catalog and results from cross matching
with the Swift/BAT 70 month catalog (Cat. J/ApJS/207/19), the
meta-catalog of X-ray detected clusters of galaxies (MCXC;
Cat. J/A+A/534/A109), and the MAXI/GSC 7 month catalog
(Cat. J/PASJ/63/S677). Our catalog lists the source name (2MAXI),
position and its error, detection significances and fluxes in the
4-10keV and 3-4keV bands, the hardness ratio, and the basic
information of the likely counterpart available for 296 sources.
Description:
The second Monitor of All-sky X-ray Image/Gas Slit Camera (MAXI/GSC)
catalog is based on the 37 months of data obtained from 2009 September
23 to 2012 October 15. The data reduction procedure is essentially the
same as that used to produce the MAXI/GSC 7 month (2009 September 1 to
2010 March 31) catalog in Hiroi et al. (2011, Cat. J/PASJ/63/S677).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 175 500 Properties of sources in the second MAXI/GSC catalog
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See also:
J/ApJS/207/19 : Swift-BAT 70 month hard X-ray survey (Baumgartner+, 2013)
J/MNRAS/422/679 : Spectral parameters for MAXI J1543-564 (Stiele+, 2012)
J/MNRAS/415/292 : MAXI J1659-152 2010 outburst analysis (Munoz-Darias+, 2011)
J/PASJ/63/S677 : MAXI/GSC cat. in high Galactic-latitude sky (Hiroi+, 2011)
J/A+A/534/A109 : MCXC Meta-Cat. X-ray galaxy Clusters (Piffaretti+, 2011)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Seq [1/500] Running sequence number
5- 9 A5 --- --- [2MAXI]
11- 19 A9 --- 2MAXI MAXI identifier (JHHMM+DDd)
21- 25 F5.1 deg RAdeg MAXI Right Ascension (J2000)
27- 31 F5.1 deg DEdeg MAXI Declination (J2000)
33 A1 --- l_ePos Limit flag on sig
34- 39 F6.3 deg ePos [0.001/0.4] The 1σ statistical
position error (1)
41- 46 F6.1 --- s4-10 The 4-10 keV detection significance
48- 55 F8.1 fW/m2 F4-10 [4.7/178840] The 4-10 keV flux (2)
57- 60 F4.1 fW/m2 e_F4-10 The 1σ error in F4-10
62- 67 F6.1 --- s3-4 The 3-4 keV detection significance
69- 75 F7.1 fW/m2 F3-4 [0.4/52509] The 3-4 keV flux (3)
77- 80 F4.1 fW/m2 e_F3-4 The 1σ error in F3-4
82- 86 F5.2 --- HR [-0.51/0.85] The hardness ratio (4)
88- 91 F4.2 --- e_HR The 1σ error in HR
93-120 A28 --- CName Counterpart identifier (5)
122-128 F7.3 deg RACdeg ? Counterpart Right Ascension (J2000)
130-136 F7.3 deg DECdeg ? Counterpart Declination (J2000)
138-144 F7.5 --- z [0.0018/2.345]? Redshift
146-169 A24 --- Type Source type (6)
171-173 A3 --- Xf [BMG ] Cross matching flag(s) (7)
175 A1 --- Note [A-H] Source note (8)
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Note (1): There exists an additional systematic error of ∼0.09deg (90%).
See section 4.4 for details.
Note (2): In units of 10-12 ergs/cm2/s, converted from Crab units by
assuming the Crab-like spectrum; 1 mCrab = 1.21x10-11ergs/cm2/s.
Note (3): In units of 10-12 ergs/cm2/s, converted from Crab units by
assuming the Crab-like spectrum; 1 mCrab = 3.98x10-12ergs/cm2/s.
Note (4): Where HR = (H-S)/(H+S) and H = 4-10 keV and S = 3-4 keV.
Note (5): The numbers in parentheses represent source identification ones
in the GSC7 catalog (Hiroi et al. 2011, Cat. J/PASJ/63/S677).
Note (6): Abbreviations in source type:
HMXB = high-mass X-ray binary;
LMXB = low-mass X-ray binary;
NS = neutron star;
BHC = black hole candidate;
CV = cataclysmic variable;
Note (7): The counterpart name listed in CName is quoted from the catalog
expressed by the leftmost letter in this column:
B = BAT70 (the Swift/BAT hard X-ray (14-195keV) all-sky survey 70 month
catalog; Baumgartner et al. 2013, Cat. J/ApJS/207/19),
M = MCXC (the Meta-Catalog of X-Ray Detected Clusters of Galaxies
(Piffaretti et al. 2011, Cat. J/A+A/534/A109)
G = GSC7 (the first MAXI/GSC source catalog (Hiroi et al. 2011, Cat.
J/PASJ/63/S677) catalog)
Note (8): Note as follows:
A = We change the counterpart name from SWIFT J0042.7+4111 to M31 taking
into account the angular resolution of MAXI/GSC.
B = RXC J0105.5-2439 is another counterpart of this source.
C = We change the counterpart name from NGC 1275 to Perseus Cluster taking
into account the angular resolution of MAXI/GSC.
D = We change the counterpart name from CXO J051406.4-400238 to NGC 1851
taking into account the angular resolution of MAXI/GSC.
E = Since MAXI J0957+693 is a confused source consisting of M81, M82, and
1RXS J095755.0+690310, we use the position determined by the MAXI/GSC
7-month survey for the cross-matching.
F = Since the position accuracy of 3EG J1627-2419, the counterpart of
MAXI J0957+693, is low, we use the position determined by the
MAXI/GSC 7-month survey for the cross-matching.
G = ESO 139-G 012 is another counterpart of this source.
H = ABELL 2572b is another counterpart of this source.
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History:
From electronic version of the journal
References:
Hiroi et al. First MAXI/GSC catalog 2011PASJ...63S.677H 2011PASJ...63S.677H Cat. J/PASJ/63/S677
(End) Greg Schwarz [AAS], Emmanuelle Perret [CDS] 05-Sep-2013