J/ApJS/235/4 The 105-month Swift-BAT all-sky hard X-ray survey (Oh+, 2018)
The 105-month Swift-BAT all-sky hard X-ray survey.
Oh K., Koss M., Markwardt C.B., Schawinski K., Baumgartner W.H.,
Barthelmy S.D., Cenko S.B., Gehrels N., Mushotzky R., Petulante A.,
Ricci C., Lien A., Trakhtenbrot B.
<Astrophys. J. Suppl. Ser., 235, 4 (2018)>
=2018ApJS..235....4O 2018ApJS..235....4O
ADC_Keywords: X-ray sources; Surveys; Cross identifications; Redshifts;
Active gal. nuclei; Infrared sources; Optical
Mission_Name: Swift
Keywords: catalogs ; surveys ; X-rays: general
Abstract:
We present a catalog of hard X-ray sources detected in the first
105-months of observations with the Burst Alert Telescope (BAT)
coded-mask imager on board the Swift observatory. The 105-month
Swift-BAT survey is a uniform hard X-ray all-sky survey with a
sensitivity of 8.40x10-12erg/s/cm2 over 90% of the sky and
7.24x10-12erg/s/cm2 over 50% of the sky in the 14-195keV band. The
Swift-BAT 105-month catalog provides 1632 (422 new detections) hard
X-ray sources in the 14-195 keV band above the 4.8σ significance
level. Adding to the previously known hard X-ray sources, 34%
(144/422) of the new detections are identified as Seyfert active
galactic nuclei (AGNs) in nearby galaxies (z<0.2). The majority of the
remaining identified sources are X-ray binaries (7%, 31) and
blazars/BL Lac objects (10%, 43). As part of this new edition of the
Swift-BAT catalog, we release eight-channel spectra and monthly
sampled light curves for each object in the online journal and at the
Swift-BAT 105-month website.
Description:
The data reduction, analysis, and catalog generation of the Swift-BAT
105-month survey (between 2004 December and 2013 August) are conducted
following the same procedures as in the Swift-BAT 70-month survey
(Baumgartner+ 2013, J/ApJS/207/19). The catalog includes 1632 hard
X-ray sources detected across the entire sky. Of these 1632 sources,
422 are new detections with respect to the 70-month catalog, and 320
are reported as hard X-ray sources for the first time. The Swift-BAT
105-month survey catalog contains 947 non-beamed AGNs detected in the
hard X-ray band.
We inspected soft X-ray images provided by Swift-XRT (3-10keV),
Chandra (2-10keV), ASCA (2-10keV), and XMM-Newton (4-10keV) for the
newly detected sources when available using 15 arcmin of matching
radius. See section 2.1 for further explanations.
File Summary:
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FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table2.dat 94 10 Unidentified sources with 2MASS counterpart in the
Swift-BAT 105-month catalog
table3.dat 198 1632 Catalog of sources in the 105-month Swift-BAT
survey
BAT/* . 1633 BAT 105-month light curve FITS files
SWIFT/* . 1633 Swift/BAT 105-month spectrum FITS files
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See also:
B/hst : HST Archived Exposures Catalog (STScI, 2007)
IX/4 : Fourth UHURU Catalogue (4U) (Forman+ 1978)
VII/237 : HYPERLEDA. I. Catalog of galaxies (Paturel+, 2003)
VII/259 : 6dF galaxy survey final redshift release (Jones+, 2009)
VII/257 : 2MASS-selected Isolated Galaxies (2MIG) (Karachentseva+, 2010)
VII/258 : Quasars and Active Galactic Nuclei (13th Ed.) (Veron+ 2010)
V/147 : The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)
J/MNRAS/277/125 : Visual search for galaxies in the Galactic Plane (Hau+ 1995)
J/MNRAS/278/1025 : The APM Bright Galaxy Catalogue (Loveday 1996)
J/A+A/339/34 : Bright galaxies from the WENSS minisurvey (de Ruiter+ 1998)
J/ApJ/633/L77 : SWIFT/BAT detections of AGN (Markwardt+, 2005)
J/ApJ/658/1264 : IR-excess sources in GLIMPSE and MSX (Uzpen+, 2007)
J/ApJS/175/97 : CGRaBS: γ-ray blazar candidate survey (Healey+, 2008)
J/ApJS/175/179 : The BAT1 gamma-ray burst catalog (Sakamoto+, 2008)
J/ApJ/681/113 : Swift BAT survey of AGNs (Tueller+, 2008)
J/A+A/505/417 : Second INTEGRAL AGN catalogue (Beckmann+, 2009)
J/AJ/138/1938 : EDD: All Digital HI profile catalog (Courtois+, 2009)
J/ApJS/184/138 : XID II: RASS/BSC-2MASS/PSC cross-assoc. (Haakonsen+, 2009)
J/A+A/495/691 : Multifrequency cat. of blazars, Roma-BZCAT (Massaro+, 2009)
J/ApJ/701/811 : Chandra observations of INTEGRAL sources (Tomsick+, 2009)
J/ApJS/186/1 : The 4th IBIS/ISGRI soft gamma-ray survey catalog (Bird+, 2010)
J/A+A/510/A48 : Palermo Swift-BAT Hard X-ray Catalogue (Cusumano+, 2010)
J/A+A/524/A64 : The 54-month Palermo BAT-survey catalogue (Cusumano+, 2010)
J/A+A/523/A61 : INTEGRAL all-sky survey of X-ray sources (Krivonos+, 2010)
J/MNRAS/401/1151 : RASS-6dFGS catalogue (Mahony+, 2010)
J/ApJS/186/378 : Hard X-ray survey from Swift-BAT 2004-2006 (Tueller+, 2010)
J/MNRAS/417/2651 : AT20G-optical catalogue (Mahony+, 2011)
J/ApJS/195/2 : The second Swift BAT GRB catalog (BAT2) (Sakamoto+, 2011)
J/ApJ/749/21 : AGNs detected by 60 month Swift/BAT survey (Ajello+, 2012)
J/ApJ/751/52 : AGN cand. from the WISE, 2MASS, RASS (W2R) (Edelson+, 2012)
J/ApJS/199/26 : The 2MASS Redshift Survey (2MRS) (Huchra+, 2012)
J/ApJ/746/L22 : Dual AGNs in the nearby Universe (Koss+, 2012)
J/MNRAS/426/1750 : INTEGRAL/IBIS AGN catalogue (Malizia+, 2012)
J/A+A/548/A99 : XMM-Newton Slew Survey in 2-10keV (Warwick+, 2012)
J/ApJS/207/19 : X-ray survey from Swift-BAT 2004-2010 (Baumgartner+, 2013)
J/ApJS/207/36 : 2nd MAXI/GSC cat. in high galactic-latitude sky (Hiroi+, 2013)
J/ApJ/765/L26 : Swift/BAT ultra-hard X-ray data from GOALS LIRGs (Koss+, 2013)
J/ApJS/206/17 : New gamma-ray blazar candidates in the 3PBC (Maselli+, 2013)
J/ApJ/763/111 : X-ray spectral analysis of Swift/BAT AGNs (Vasudevan+, 2013)
J/ApJS/215/14 : WISE cand. γ-ray blazar radio sources (D'Abrusco+, 2014)
J/ApJ/794/152 : PACS observations of Herschel-BAT sample (Melendez+, 2014)
J/A+A/561/A67 : Spectra of 75 Swift/BAT optical counterparts (Parisi, 2014)
J/ApJS/212/9 : X-ray sources in Hickson Compact Groups (Tzanavaris+, 2014)
J/ApJS/218/23 : Fermi LAT third source catalog (3FGL) (Acero+, 2015)
J/ApJS/221/32 : Narrow MgII absorption lines from SDSS-DR9Q (Chen+, 2015)
J/ApJS/219/29 : Spectrosc. redshifts in strong lens fields (Momcheva+, 2015)
J/ApJS/219/1 : Catalog of Type-1 AGNs from SDSS-DR7 (Oh+, 2015)
J/ApJ/815/L13 : Compton-thick AGNs from 70-month Swift/BAT (Ricci+, 2015)
J/MNRAS/450/3568 : Non-Fermi blazar sample (Xiong+, 2015)
J/ApJS/223/15 : 8yr INTEGRAL/IBIS soft gamma-ray source obs. (Bird+, 2016)
J/A+A/588/A103 : 2nd ROSAT all-sky survey (2RXS) source cat. (Boller+, 2016)
J/MNRAS/460/19 : Update of INTEGRAL/IBIS AGN catalogue (Malizia+, 2016)
J/ApJ/850/74 : Swift/BAT AGN Spectroscopic Survey. I. (Koss+, 2017)
J/ApJS/233/17 : Swift/BAT AGN spectros. survey. V. X-ray data (Ricci+, 2017)
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- Seq [1293/1592] Swift-BAT survey ID (G1)
6- 10 A5 --- --- [SWIFT]
12- 23 A12 --- Swift Swift-BAT identifier (JHHMM.m+DDMM)
25- 35 F11.7 deg RAdeg Swift-BAT Right Ascension (J2000)
37- 47 F11.7 deg DEdeg Swift-BAT Declination (J2000)
49- 50 A2 --- Type [U2] Source type (1)
52- 67 A16 --- 2MASS 2MASS Counterpart Name (HHMMSSss+DDMMSSs; J2000)
69- 78 F10.6 deg RACdeg 2MASS Counterpart Right Ascension (J2000)
80- 89 F10.6 deg DECdeg 2MASS Counterpart Declination (J2000)
91- 94 F4.2 arcsec Sep [1/5] Angular separation between the Swift-XRT
soft X-ray source position and 2MASS catalog
--------------------------------------------------------------------------------
Note (1): U2 indicates "Unknown class II": sources for which there is a soft
X-ray detection with S/N threshold greater than 3 from archival
soft X-ray observation.
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table3.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- Seq [1/1632] Swift-BAT survey ID (G1)
6- 10 A5 --- --- [SWIFT]
12- 27 A16 --- Swift Swift-BAT identifier (JHHMM.m+DDMMA or
JHHMMSS.s+DDMMSS)
29- 40 F12.8 deg RAdeg Swift-BAT Right Ascension (J2000)
42- 53 F12.8 deg DEdeg Swift-BAT Declination (J2000)
55- 62 F8.2 --- S/N [1.7/14050] Signal to noise
64- 93 A30 --- CName Counterpart source name (1)
95-102 F8.4 deg RACdeg Counterpart Right Ascension (J2000) (1)
104-111 F8.4 deg DECdeg Counterpart Declination (J2000) (1)
113-120 F8.2 10-15W/m2 Flux [1.5/23342.7] Swift-BAT 14-195keV flux (2)
122-129 F8.2 10-15W/m2 e_Flux [0/23339.2] Lower 90% confidence interval
in Flux
131-138 F8.2 10-15W/m2 E_Flux [3.4/23346] Upper 90% confidence interval
in Flux
140-143 F4.2 --- Gamma [0.5/8.3] Spectral photon index Gamma (3)
145-148 F4.2 --- e_Gamma [0/6.7] Lower 90% confidence interval
in Gamma
150-153 F4.2 --- E_Gamma [0/8.5] Upper 90% confidence interval
in Gamma
155-162 F8.1 --- Chi2 [0/177745] Reduced chi square of spectral fit
164-168 F5.3 --- z [0/4.8]? Redshift (4)
170-173 F4.1 [10-7W] logL [0/48.6]? Log of Swift-BAT X-ray 14-195keV
luminosity (5)
175-177 I3 --- Class [10/230] Source class (6)
179-198 A20 --- Type Source type
--------------------------------------------------------------------------------
Note (1): Coordinate of counterpart is taken from NED or SIMBAD. If no
counterpart is known, the BAT position is listed. In case of source type
of U2 ( "Unknown class II") whose soft X-ray coordinate is well defined
with SNR threshold greater than 3, we provide coordinate of Swift-XRT soft
X-ray (3-10keV) detection.
Note (2): The flux is extracted from the BAT maps at the position listed for
the counterpart, is in units of 10-12erg/s/cm2, and is computed
for the 14-195keV band.
Note (3): The spectral index is computed from a power-law fit to the
eight-band BAT data.
Note (4): The redshifts are taken from the online databases NED and SIMBAD or
in a few cases from our own analysis of the optical data.
Note (5): The luminosity is computed from the flux and redshift in this table,
with units of erg/s in the 14-195keV band.
Note (6): Source class and type (from Table 1) as follows:
10 = Unknown class indicates that we do not know source type of the
optical counterpart (35 occurrences). Unknown class I ("U1") is used
when there is no soft X-ray (3-10keV) detection despite its
archival soft X-ray observation;
11 = Unknown class II ("U2") indicates sources for which there is a soft
X-ray detection with SNR threshold greater than 3 from archival
soft X-ray observation (55 occurrences).
When available, we list their 2MASS counterpart source matched
within 5 arcsec of angular distance in Table 2;
12 = Unknown class III includes sources without archival soft X-ray
observations (38 occurrences);
15 = Multiple class indicates the case where there are more than one
soft X-ray detection (10 occurrences);
20 = Galactic center: Sagittarius A*;
30 = Galaxy Cluster (26 occurrences);
40 = Seyfert I (Sy1; Sy 1.0-1.8; 512 occurrences) includes high-z
broad-line AGN (N=2);
50 = Seyfert II (Sy2; Sy 1.9-2.0; 317 occurrences) includes Sy2 candidates
(10 occurrences) that present narrow emission lines in their
optical spectral energy distribution;
60 = LINER (6 occurrences);
70 = Unknown AGN: X-ray sources associated with galaxies whose optical
spectra and type classifications are not known (114 occurrences);
80 = Beamed AGN (Blazar/FSRQ; 156 occurrences);
90 = Cataclysmic Variable ("CV") star (75 occurrences);
100 = Symbiotic star (4 occurrences);
110 = Other star (13 occurrences);
120 = Open star cluster (1 occurrence);
130 = Starburst galaxy: M82;
140 = Compact group of galaxies: Arp 318;
150 = Pulsar (25 occurrences);
160 = Supernova remnant (SNR; 7 occurrences);
170 = Nova (6 occurrences);
180 = High mass X-ray binary (HMXB; 108 occurrences);
190 = Low mass X-ray binary (LMXB; 109 occurrences);
200 = Other X-ray binary (XRB; 8 occurrences);
210 = Globular Cluster (GC; 1 occurrence);
220 = Molecular cloud (2 occurrences);
230 = Gamma-ray source (1 occurrence).
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Global note:
Note (G1): Swift-BAT 105-month hard X-ray survey number. The provided index
is same with that of the 70 month catalog. For the new detections, the index
is assigned in the order of increasing right ascension which is given in the
third column. See http://swift.gsfc.nasa.gov/results/bs105mon/
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History:
From electronic version of the journal
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(End) Prepared by [AAS], Emmanuelle Perret [CDS] 16-Aug-2018