J/ApJ/974/156 The Stripe 82-XL catalog (S82-XL) (Peca+, 2024)
Stripe 82-XL: The ∼54.8deg2 and ∼18.8Ms Chandra and XMM-Newton Point-Source
Catalog and number of counts.
Peca A., Cappelluti N., LaMassa S., Urry C.M., Moscetti M., Marchesi S.,
Sanders D., Auge C., Ghosh A., Ananna T.T., Torres-Alba N., Treister E.
<Astrophys. J., 974, 156 (2024)>
=2024ApJ...974..156P 2024ApJ...974..156P
ADC_Keywords: X-ray sources; Cross identifications; Redshifts; Spectra, optical;
Active gal. nuclei; QSOs
Keywords: Active galaxies ; Active galactic nuclei ;
High-luminosity active galactic nuclei ;
X-ray active galactic nuclei ; X-ray surveys ; Sky surveys ;
Redshift surveys
Abstract:
We present an enhanced version of the publicly available Stripe 82X
catalog (S82-XL), featuring a comprehensive set of 22737 unique X-ray
point sources identified with a significance ≳4σ. This catalog
is four times larger than the original Stripe 82X catalog, by
including additional archival data from the Chandra and XMM-Newton
telescopes. Now covering ∼54.8deg2 of nonoverlapping sky area, the
S82-XL catalog roughly doubles the area and depth of the original
catalog, with limiting fluxes (half-area fluxes) of 3.4x10-16
(2.4x10-15), 2.9x10-15 (1.5x10-14), and 1.4x10-15
(9.5x10-15)erg/s/cm2 across the soft (0.5-2keV), hard (2-10keV), and
full (0.5-10keV) bands, respectively. S82-XL occupies a unique region
of flux-area parameter space compared to other X-ray surveys,
identifying sources with rest-frame luminosities from 1.2x1038 to
1.6x1047erg/s in the 2-10keV band (median X-ray luminosity,
7.2x1043erg/s), and spectroscopic redshifts up to z∼6. By using
hardness ratios, we derived the obscuration of active galactic nuclei
(AGNs), obtaining a median value of log(NH/cm2)=21.6-1.6+1.0
and an overall, obscured fraction (log(NH/cm-2)>22) of ∼36.9%.
S82-XL serves as a benchmark in X-ray surveys and, with its extensive
multiwavelength data, is especially valuable for comprehensive studies
of luminous AGNs.
Description:
To incorporate the most recent X-ray observations into the new Stripe
82X (S82-XL) catalog, we used two state-of-the-art catalogs that
extensively cover the Stripe 82 area: the second release of the
Chandra Source Catalog (CSC, Evans+ 2010, see IX/57) and the 4XMM
Source Catalog (Webb+ 2020, see IX/69; Traulsen+ 2020, see IX/66).
We queried the CSC v2.1 and 4XMM-DR12 catalogs in the area
300°≤RA≤60° and -1.5°≤DEC≤+1.5°. Inside this
region, there are currently 374 XMM-Newton and 335 Chandra archival
observations, for a total exposure of ∼18.79Ms (∼13.23 and ∼5.56Ms for
XMM-Newton and Chandra, respectively). The total, nonoverlapping area
covered is ∼54.8deg2, with ∼44.5 and ∼15.6deg2 covered
individually by XMM-Newton and Chandra, respectively --roughly
doubling the original S82X catalog (LaMassa+ 2013MNRAS.432.1351L 2013MNRAS.432.1351L,
2013, J/MNRAS/436/3581 and 2016, J/ApJ/817/172).
See Section 3 for further explanations on point-source selection.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 1556 22737 S82-XL catalog
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Description of file:
S82-XLFINALXRAY.fits is the original FITS file as sent by the author.
See also:
B/xmm : XMM-Newton Obs. Log (XMM-Newton Science Operation Center, 2012-)
B/chandra : The Chandra Archive Log (CXC, 1999-2014)
VIII/76 : Leiden/Argentine/Bonn (LAB) Survey of Galactic HI (Kalberla+ 2005)
II/319 : UKIDSS-DR9 LAS, GCS and DXS Surveys (Lawrence+ 2012)
VIII/92 : The FIRST Survey Catalog, Version 2014Dec17 (Helfand+ 2015)
IX/57 : The Chandra Source Catalog (CSC), Release 2.0 (Evans+, 2019)
V/154 : Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)
III/286 : APOGEE-2 DR17 final allStar catalog (Abdurro'uf+, 2022)
IX/66 : 4XMM-DR11s serendipitous source cat. from stacks (Traulsen+, 2022)
IX/68 : XMM-Newton Serendipitous Source Catalogue 4XMM-DR12 (Webb+, 2023)
IX/69 : XMM-Newton Serendipitous Source Catalogue 4XMM-DR13 (Webb+, 2023)
J/ApJS/172/29 : XMM-Newton survey in COSMOS field. I. (Hasinger+, 2007)
J/A+A/497/635 : XMM-Newton wide-field survey in COSMOS (Cappelluti+, 2009)
J/A+A/493/339 : XMM-Newton serendipitous Survey. V. (Watson+, 2009)
J/ApJS/195/10 : The CDF-S survey: 4Ms source catalogs (Xue+, 2011)
J/ApJS/202/6 : XDEEP2 survey catalog (Goulding+, 2012)
J/MNRAS/436/3581 : X-ray observations of Stripe 82 (LaMassa+, 2013)
J/A+A/564/A125 : AGN Torus model comparison of AGN in the CDFS (Buchner+, 2014)
J/ApJS/210/22 : Herschel Stripe 82 survey (HerS) first catalog (Viero+, 2014)
J/ApJS/220/10 : AEGIS-X Deep survey of EGS (AEGIS-XD) (Nandra+, 2015)
J/A+A/577/A121 : The XMM-ATLAS catalogues (Ranalli+, 2015)
J/ApJ/823/95 : CANDELS GOODS-S Chandra counterparts (Cappelluti+, 2016)
J/ApJ/819/62 : The COSMOS-Legacy Survey (CLS) catalog (Civano+, 2016)
J/MNRAS/456/1359 : IAC Stripe 82 Legacy Project: Photometry (Fliri+, 2016)
J/ApJ/817/172 : X-ray Observations of Stripe 82 (LaMassa+, 2016)
J/ApJ/817/34 : C-COSMOS Legacy sources multiwavelength cat. (Marchesi+, 2016)
J/ApJS/225/1 : SpIES: the Spitzer IRAC Equatorial Survey (Timlin+, 2016)
J/ApJS/224/15 : Improved 2Ms and 250ks Chandra catalogs (Xue+, 2016)
J/ApJ/850/66 : Stripe 82X survey multiwavelength catalog (Ananna+, 2017)
J/ApJS/232/8 : 16yrs of AGNs X-ray sp. analyses from 7Ms CDF-S (Liu+, 2017)
J/ApJS/228/2 : Chandra Deep Field-South survey: 7Ms sources (Luo+, 2017)
J/MNRAS/478/2132 : XMM-LSS field. XMM-Newton point-source cat. (Cheng+, 2018)
J/ApJS/236/48 : The Chandra UDS survey (X-UDS) (Kocevski+, 2018)
J/ApJ/876/50 : X-ray & MIR AGNs in Stripe 82 with eBOSS sp. (LaMassa+, 2019)
J/ApJS/251/2 : CDWFS: Chandra survey in Bootes. I. X-ray cat. (Masini+, 2020)
J/ApJS/256/21 : XMM-SERVS: X-ray sources for W-CDF-S & ELAIS-S1 (Ni+, 2021)
J/A+A/661/A1 : The eFEDS X-ray catalogs (V7.4) (Brunner+, 2022)
J/ApJ/943/162 : 31.3 deg2 Stripe 82X spectral analysis (Peca+, 2023)
J/A+A/675/A65 : AGN absorbing column densities (Silver+, 2023)
J/A+A/682/A34 : SRG/eROSITA all-sky survey catalogs (eRASS1) (Merloni+, 2024)
J/ApJ/974/235 : Stripe 82X DR3 catalog: new sp. redshifts (LaMassa+, 2024)
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 I5 --- Seq [0/22736] Unique Stripe 82 XL survey
identifier (1)
7- 17 F11.7 deg RAdeg Right Acension (J2000) (2)
19- 29 F11.7 deg DEdeg [-1.5/1.5] Declination (J2000) (2)
31- 36 F6.3 arcsec ErrPos [0.01/49] Positional uncertainty (2)
38- 41 A4 --- --- [4XMM]
43- 58 A16 --- 4XMM 4XMM DR12 catalog identifier
(JHHMMSS.s+DDMMSS)
60- 201 A142 --- OBS-4XMM 4XMM DR12 catalog XMM observation
identifier (s)
203- 212 F10.6 deg RA4XMMdeg ? 4XMM Right Acension (J2000)
214- 223 F10.6 deg DE4XMMdeg ? 4XMM Declination (J2000)
225- 232 E8.2 mW/m2 F1-4XMM [1.5e-19/1.4e-11]? 4XMM 0.2-0.5keV
flux; erg/s/cm2
234- 241 E8.2 mW/m2 e_F1-4XMM [2.2e-17/5e-14]? The 1σ
uncertainty in F1-4XMM
243- 250 E8.2 mW/m2 F2-4XMM [8.8e-24/2.5e-11]? 4XMM 0.5-1keV
flux; erg/s/cm2
252- 259 E8.2 mW/m2 e_F2-4XMM [2e-17/6e-14]? The 1σ
uncertainty in F2-4XMM
261- 268 E8.2 mW/m2 F3-4XMM [1.8e-20/2.5e-11]? 4XMM 1-2keV flux;
erg/s/cm2
270- 277 E8.2 mW/m2 e_F3-4XMM [2.9e-17/6.1e-14]? The 1σ
uncertainty in F3-4XMM
279- 286 E8.2 mW/m2 F4-4XMM [1.4e-19/2.3e-11]? 4XMM 2-4.5keV
flux; erg/s/cm2
288- 295 E8.2 mW/m2 e_F4-4XMM [1e-16/1.4e-13]? The 1σ
uncertainty in F4-4XMM
297- 304 E8.2 mW/m2 F5-4XMM [2.5e-27/1.6e-11]? 4XMM 4.5-12keV
flux; erg/s/cm2
306- 313 E8.2 mW/m2 e_F5-4XMM [4.8e-16/8.2e-13]? The 1σ
uncertainty in F5-4XMM
315- 322 E8.2 mW/m2 F8-4XMM [3e-16/10e-11]? 4XMM 0.2-12 keV flux;
erg/s/cm2
324- 331 E8.2 mW/m2 e_F8-4XMM [6e-16/8.2e-13]? The 1σ
uncertainty in F8-4XMM
333- 341 F9.2 ct CTS8-4XMM [5.7/532634]? 4XMM 0.2-12 keV counts
343- 350 E8.2 ct e_CTS8-4XMM [2.9/31807]? The 1σ uncertainty
in CTS8-4XMM
352- 359 E8.2 ct/s RATE8-4XMM [0.00038/77]? 4XMM 0.2-12 keV count
rate
361- 368 E8.2 ct/s e_RATE8-4XMM [0.00013/1.6]? The 1σ
uncertainty in RATE8-4XMM
370- 377 E8.2 ct/s RATE512-4XMM [1.5e-06/56.2]? 4XMM 0.5-12 keV count
rate
379- 386 E8.2 ct/s e_RATE512-4XMM [5.2e-05/1.6]? The 1σ
uncertainty in RATE512-4XMM
388- 395 E8.2 ct/s RATE52-4XMM [5.7e-07/50.4]? 4XMM 0.5-2 keV count
rate
397- 404 E8.2 ct/s e_RATE52-4XMM [2.6e-07/22.7]? The 1σ
uncertainty in RATE52-4XMM
(0.45 * RATE52-4XMM)
406- 413 E8.2 ct/s RATE212-4XMM [7.3e-07/5.8]? 4XMM 2-12 keV count
rate
415- 422 E8.2 ct/s e_RATE212-4XMM [3.8e-05/1.6]? The 1σ
uncertainty in RATE212-4XMM
424- 429 F6.2 --- HR-4XMM [-1/1]? 4XMM hardness ratio using
0.5-2 and 2-12 keV
431- 436 F6.2 --- b_HR-4XMM [-1/1]? Lower 1σ value in
HR-4XMM
438- 443 F6.2 --- B_HR-4XMM [-1/1]? Upper 1σ value in
HR-4XMM
445- 449 A5 --- --- [4XMMs]
451- 466 A16 --- 4XMMs 4XMMs DR12 catalog identifier
(JHHMMSS.s+DDMMSS)
468- 609 A142 --- OBS-4XMMs 4XMMs DR12 catalog XMM observation
identifier (s)
611- 620 F10.6 deg RA4XMMSdeg ? 4XMMs Right Acension (J2000)
622- 631 F10.6 deg DE4XMMSdeg ? 4XMMs Declination degrees (J2000)
633- 640 E8.2 mW/m2 F1-4XMMs [2e-22/5.9e-12]? 4XMMs 0.2-0.5 keV
flux; erg/s/cm2
642- 649 E8.2 mW/m2 e_F1-4XMMs [2e-17/2.8e-14]? The 1σ
uncertainty in F1-4XMMs
651- 658 E8.2 mW/m2 F2-4XMMs [2.8e-20/6.8e-12]? 4XMMs 0.5-1 keV
flux; erg/s/cm2
660- 667 E8.2 mW/m2 e_F2-4XMMs [2e-17/3.4e-14]? The 1σ
uncertainty in F2-4XMMs
669- 676 E8.2 mW/m2 F3-4XMMs [1.6e-19/3e-12]? 4XMMs 1-2 keV flux;
erg/s/cm2
678- 685 E8.2 mW/m2 e_F3-4XMMs [2.8e-17/3.2e-14]? The 1σ
uncertainty in F3-4XMMs
687- 694 E8.2 mW/m2 F4-4XMMs [3.6e-19/3.6e-12]? 4XMMs 2-4.5 keV
flux; erg/s/cm2
696- 703 E8.2 mW/m2 e_F4-4XMMs [9.4e-17/7e-14]? The 1σ
uncertainty in F4-4XMMs
705- 712 E8.2 mW/m2 F5-4XMMs [1.2e-18/6.3e-12]? 4XMMs 4.5-12 keV
flux; erg/s/cm2
714- 721 E8.2 mW/m2 e_F5-4XMMs [4.7e-16/6.9e-13]? The 1σ
uncertainty in F5-4XMMs
723- 730 E8.2 mW/m2 F8-4XMMs [2.1e-16/2.2e-11]? 4XMMs 0.2-12 keV
flux; erg/s/cm2
732- 739 E8.2 mW/m2 e_F8-4XMMs [5.8e-16/6.9e-13]? The 1σ
uncertainty in F8-4XMMs
741- 749 F9.2 ct CTS8-4XMMs [6.3/884653]? 4XMMs 0.2-12 keV counts
751- 758 E8.2 ct e_CTS8-4XMMs [1.8/38963]? The 1σ uncertainty
in CTS8-4XMMs
760- 767 E8.2 ct/s RATE8-4XMMs [0.00015/15.5]? 4XMMs 0.2-12 keV
count rate
769- 776 E8.2 ct/s e_RATE8-4XMMs [7e-05/1.7]? The 1σ uncertainty
in RATE8-4XMMs
778- 785 E8.2 ct/s RATE512-4XMMs [8.8e-06/9.7]? 4XMMs 0.5-12 keV count
rate
787- 794 E8.2 ct/s e_RATE512-4XMMs [4e-05/1.7]? The 1σ uncertainty
in RATE512-4XMMs
796- 803 E8.2 ct/s RATE52-4XMMs [1e-06/9]? 4XMMs 0.5-2 keV count rate
805- 812 E8.2 ct/s e_RATE52-4XMMs [2.5e-05/1.7]? The 1σ
uncertainty in RATE52-4XMMs
814- 821 E8.2 ct/s RATE212-4XMMs [1.3e-06/1.7]? 4XMMs 2-12 keV count
rate
823- 830 E8.2 ct/s e_RATE212-4XMMs [3e-05/1.6]? The 1σ uncertainty
in RATE212-4XMMs
832- 837 F6.2 --- HR-4XMMs [-1/1]? 4XMMs hardness ratio using
0.5-2 and 2-12 keV
839- 844 F6.2 --- b_HR-4XMMs [-1/0.99]? Lower 1σ value in
HR-4XMMs
846- 851 F6.2 --- B_HR-4XMMs [-1/1]? Upper 1σ value in
HR-4XMMs
853- 856 A4 --- --- [2CXO]
858- 874 A17 --- 2CXO CSC 2.1 catalog identifier
(JHHMMSS.s+DDMMSSX)
876- 886 F11.7 deg RACS2deg ? CSC 2.1 Right Acension (J2000)
888- 898 F11.7 deg DECS2deg ? CSC 2.1 Declination (J2000)
900- 1057 A158 --- OBS-CSC2p1 Chandra observation
identifier in CSC catalog
1059- 1066 E8.2 mW/m2 Fb-CSC2p1 [6e-17/3.9e-11]? CSC 2.1 average
0.5-7 keV ACIS aperture flux;
erg/s/cm2
1068- 1075 E8.2 mW/m2 Fh-CSC2p1 [1.5e-17/4.5e-12]? CSC 2.1 average
2-7 keV ACIS aperture flux;
erg/s/cm2
1077- 1084 E8.2 mW/m2 Fm-CSC2p1 [5.9e-18/1.8e-12]? CSC 2.1 average
1-2 keV ACIS aperture flux;
erg/s/cm2
1086- 1093 E8.2 mW/m2 Fs-CSC2p1 [3.8e-18/4.1e-11]? CSC 2.1 average
0.5-1 keV ACIS aperture flux;
erg/s/cm2
1095- 1102 E8.2 mW/m2 Fu-CSC2p1 [9.3e-18/7e-05]? CSC 2.1 average
0.2-0.5 keV ACIS aperture flux;
erg/s/cm2
1104- 1111 E8.2 mW/m2 Fw-CSC2p1 [5.2e-16/4e-13]? CSC 2.1 average
0.1-10 keV HRC aperture flux;
erg/s/cm2
1113- 1120 E8.2 mW/m2 b_Fb-CSC2p1 [7.8e-18/3.3e-11]? Lower 1σ
value in Fb-CSC2p1
1122- 1129 E8.2 mW/m2 b_Fh-CSC2p1 [6e-18/4.2e-12]? Lower 1σ value
in Fh-CSC2p1
1131- 1138 E8.2 mW/m2 b_Fm-CSC2p1 [2e-18/1.8e-12]? Lower 1σ value
in Fm-CSC2p1
1140- 1147 E8.2 mW/m2 b_Fs-CSC2p1 [2.3e-18/2.6e-11]? Lower 1σ
value in Fs-CSC2p1
1149- 1156 E8.2 mW/m2 b_Fu-CSC2p1 [2e-18/2.4e-05]? Lower 1σ value
in Fu-CSC2p1
1158- 1165 E8.2 mW/m2 b_Fw-CSC2p1 [5.3e-16/3.8e-13]? Lower 1σ
value in Fw-CSC2p1
1167- 1174 E8.2 mW/m2 B_Fb-CSC2p1 [3.8e-17/4.5e-11]? Upper 1σ
value in Fb-CSC2p1
1176- 1183 E8.2 mW/m2 B_Fh-CSC2p1 [1e-17/4.7e-12]? Upper 1σ value
in Fh-CSC2p1
1185- 1192 E8.2 mW/m2 B_Fm-CSC2p1 [2.6e-17/1.9e-12]? Upper 1σ
value in Fm-CSC2p1
1194- 1201 E8.2 mW/m2 B_Fs-CSC2p1 [2e-17/5.7e-11]? Upper 1σ value
in Fs-CSC2p1
1203- 1210 E8.2 mW/m2 B_Fu-CSC2p1 [2.2e-17/0.0002]? Upper 1σ
value in Fu-CSC2p1
1212- 1219 E8.2 mW/m2 B_Fw-CSC2p1 [3.7e-16/4.1e-13]? Upper 1σ
value in Fw-CSC2p1
1221- 1227 F7.2 ct CTb-CSC2p1 [2.86/8600]? ACIS counts in 0.5-7 keV
1229- 1234 F6.2 ct e_CTb-CSC2p1 [1.27/111]? The 1σ uncertainty
in CTb-CSC2p1
1236- 1243 E8.2 ct/s RATEb-CSC2p1 [2.6e-05/1.1]? ACIS count rate in
0.5-7 keV
1245- 1252 E8.2 ct/s e_RATEb-CSC2p1 [6.5e-06/1.1]? Lower 1σ
uncertainty in RATEb-CSC2p1
1254- 1261 E8.2 ct/s E_RATEb-CSC2p1 [8.6e-06/0.9]? Upper 1σ
uncertainty in RATEb-CSC2p1
1263- 1270 E8.2 ct/s RATEh-CSC2p1 [6.9e-06/0.2]? ACSI count rate in
2-7keV
1272- 1279 E8.2 ct/s e_RATEh-CSC2p1 [2.9e-07/0.2]? Lower 1σ
uncertainty in RATEh-CSC2p1
1281- 1288 E8.2 ct/s E_RATEh-CSC2p1 [6.2e-06/0.21]? Upper 1σ
uncertainty in RATEh-CSC2p1
1290- 1297 E8.2 ct/s RATEsm-CSC2p1 [6.7e-06/1]? ACSI count rate in
0.5-2keV
1299- 1306 E8.2 ct/s e_RATEsm-CSC2p1 [5.6e-07/1]? Lower 1σ
uncertainty in RATEsm-CSC2p1
1308- 1315 E8.2 ct/s E_RATEsm-CSC2p1 [4.9e-06/1.4]? Upper 1σ
uncertainty in RATEsm-CSC2p1
1317- 1322 F6.2 --- HR-CSC2p1 [-1/1]? Hardness ratio from CSC2.1
using 0.5-2 and 2-7 keV
1324- 1329 F6.2 --- b_HR-CSC2p1 [-1/0.95]? Lower 1σ value in
HR-CSC2p1
1331- 1336 F6.2 --- B_HR-CSC2p1 [-1/1]? Upper 1σ value in
HR-CSC2p1
1338- 1343 F6.2 arcsec XMM-CSC [0.01/15]? Cross-match radius between
XMM and Chandra sources
1345- 1351 I7 --- S82X [1/196076]? Cross-match identifier
withStrip 82X survey
1353- 1360 E8.2 mW/m2 FFull [7.2e-17/4.7e-11]? The 0.5-10 keV
flux; erg/s/cm2 (2)
1362- 1369 E8.2 mW/m2 e_FFull [7.4e-17/7.3e-12]? The 1σ
uncertainty in FFull
1371- 1378 E8.2 mW/m2 FSoft [4.2e-19/4.1e-11]? The 0.5-2 keV
flux; erg/s/cm2 (2)
1380- 1387 E8.2 mW/m2 e_FSoft [2.2e-17/1.6e-11]? The 1σ
uncertainty in FSoft
1389- 1396 E8.2 mW/m2 FHard [1.9e-18/2.5e-11]? The 2-10 keV flux;
erg/s/cm2 (2)
1398- 1405 E8.2 mW/m2 e_FHard [1.4e-16/2.5e-12]? The 1σ
uncertainty in FHard
1407- 1418 E12.6 10-7W LFull [3.6e+37/7.4e+45]? Derived 0.5-10keV
rest-frame luminosity; erg/s (3)
1420- 1431 E12.6 10-7W e_LFull [3.3e+37/9.8e+45]? The 1σ
uncertainty in LFull
1433- 1444 E12.6 10-7W LSoft [1e+38/5e+45]? Derived 0.5-2 keV
rest-frame luminosity; erg/s (3)
1446- 1457 E12.6 10-7W e_LSoft [2.5e+37/1.2e+46]? The 1σ
uncertainty in LSoft
1459- 1470 E12.6 10-7W LHard [1.2e+38/1.7e+47]? Derived 2-10 keV
rest-frame luminosity; erg/s (3)
1472- 1483 E12.6 10-7W e_LHard [1.3e+38/1.6e+47]? The 1σ
uncertainty in LHard
1485- 1494 F10.6 deg RAPLUGdeg ? SDSS plug-plate catalog DR17 Right
Ascension (J2000)
1496- 1505 F10.6 deg DEPLUGdeg ? SDSS plug-plate catalog DR17
Declination (J2000)
1507- 1513 F7.4 --- zSpec [-0.002/6]? SDSS DR17 or S82X
spectroscopic redshift
1515- 1521 A7 --- Class SDSS DR17 or S82X spectral
classification (4)
1523- 1535 A13 --- r_zSpec Origin for zSpec (5)
1537- 1542 F6.2 [cm-2] NH [20/25]? Log H column density derived
using hardness ratios
1544- 1549 F6.2 [cm-2] b_NH [20/24]? Lower 1σ value in NH
1551- 1556 F6.2 [cm-2] B_NH [20/25]? Upper 1σ value in NH
--------------------------------------------------------------------------------
Note (1): IDs are given by distance from the center of the
survey in (RA, Dec) = (0.0, 0.0).
Note (2): When a source is in more than one catalog, we follow
the priority: 4XMMs, 4XMM, and CSC.
Note (3): Uncorrected for absorption for sources with
spectroscopic redshift available.
Note (4): Class as follows:
GALAXY = 1343 occurrences
QSO = 5093 occurrences
QSO(BA = 1 occurrence
QSO_BAL = broad-absorption line QSO (1 occurrence)
STAR = 234 occurrences
AGN = 5 occurrences
NELG = narrow emission-line galaxy (2 occurrences)
Note (5): Reference as follows:
S82 DR3 = LaMassa+ 2024, J/ApJ/974/235 (Stripe 82X Data Release 3)
CSC SDSS DR17 = from the CSC (see IX/57) association.
SDSS DR17 = from our cross-matching.
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Acknowledgements:
Dr. Alessandro Peca [alessandro.peca at Yale University]
History:
* Descriptions of table following the MRT from electronic version
of the journal
* FITS file sent by the author (with complete XMM identifiers);
see the acknowledgements section.
* The e_RATE52-4XMM column was strictly identical to the RATE52-4XMM
column and was transformed by CDS into 0.45*RATE52-4XMM according
to the author's recommendations.
(End) Prepared by [AAS], Emmanuelle Perret [CDS] 29-Jan-2025