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J/ApJS/235/43/moxc2 The 2nd MSFRs Omnibus X-ray Catalog (MOXC2) (Townsley+, 2018)
MOXC2 X-ray sources and properties (original column names in green) (18396 rows)
  recno=3572
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ColumnValue  Explain   (UCD)
_RAJ200017 20 38.56607 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-35 48 51.8400 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195017 17 17.38169 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-35 45 53.3354 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon351.36309071 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+00.66880445 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
3572recno 3572  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

REGIONNAMENGC 6334  Name of the massive star forming region (REGIONNAME) (linked to massive star-forming region data (Table 1)) (obs.field)
Name172038.56-354851.8  X-ray source name in IAU format (HHMMSS.ss+DDMMSS.s; J2000) (Name) (Note 1)   (meta.id;meta.main)
f_CXOU   p: source exhibiting photon pile-up; column added by CDS (see Note 7) (meta.code)
Labelc6005  X-ray source name used within the project (Note 2)   (meta.id;obs)
RAJ2000260.160692 deg (i) [244.5/348.9] Right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000-35.814400 deg (i) [-51.2/61.8] Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
PosErr 0.318 arcsec [0.01/5.7] 1-σ error circle around (RAdeg,DEdeg) (PosErr) (stat.error)
PosTypeAE mean data  Algorithm used to estimate position (Broos+ 2010ApJ...714.1582B Section 7.1) (meta.id;stat.fit)
ProbNoSrc_MostValid 0.000033   [0/0.01] Smallest of no-t, no-s and no-h (ProbNoSrc_MostValid) (Note 3)   (stat.fit.goodness)
ProbNoSrc_t 0.000033   [0/0.5] p-value for no-source hypothesis in the total (0.5-8 keV) energy band (ProbNoSrc_t) (Note 4)   (stat.fit.goodness)
ProbNoSrc_s    [0/1] p-value for no-source hypothesis in the soft (0.5-2 keV) energy band 2012A&A...539A..79R (ProbNoSrc_s) (Note 4)   (stat.fit.goodness)
ProbNoSrc_h 0.000097   [0/1] p-value for no-source hypothesis in the hard (2-8 keV) energy band (ProbNoSrc_h) (Note 4)   (stat.fit.goodness)
ProbKS_single 0.008399   [0/1] smallest p-value under the null hypothesis (no variability within each single ObsID) for the Kolmogorov-Smirnov test on the timestamps of each ObsID's event list (ProbKS_single) (Note 5)   (stat.fit.goodness;src.var)
ProbKS_merge 0.000138   [0/1] p-value under the null hypothesis (no variability) for the Kolmogorov-Smirnov test on the timestamps of the multi-ObsID event list (ProbKS_merge) (Note 5)   (stat.fit.goodness;src.var)
ProbChisq_PhotonFlux 0.981929   [0/1] p-value under the null hypothesis (no variability) for the χ2 test on the single-ObsID measurements of Flux-t (ProbChisq_PhotonFlux) (stat.fit.chi2)
ExposureTimeNominal 66137.40 s [1015/147545] Total exposure in merged observations (ExposureTimeNominal) (time.expo)
ExposureFraction 0.963229   [0.07/1] Fraction of ExpNom source was observed (ExposureFraction) (Note 6)   (stat.fit.omc)
RateIn3x3Cell 0.000441 ct [0/0.5] 0.5-8keV rate in 3x3 CCD pixel cell in count/frame (RateIn3x3Cell) (Note 7)   (pos.cartesian.y)
NumObsIDs3   [1/4] Total number of observations extracted (NumObsIDs) (meta.number)
NumMerged3   [1/4] Number of observations merged to estimate photometry properties (NumMerged) (meta.number)
MergeBias 0.000000   [0/1] Fraction of exposure discarded to optimize merge (MergeBias) (stat.fit.omc)
Theta_Lo 3.388610 arcmin [0.01/25] Smallest value of θ (Theta_Lo) (stat.value)
Theta 5.689660 arcmin [0.04/25] Average off-axis angle θ for merged observations (Theta) (instr.offset)
Theta_Hi10.770800 arcmin [0.04/27.4] Largest value of θ (Theta_Hi) (stat.value;stat.max)
PsfFraction 0.739192   [0.3/1] Average PSF fraction at 1.49keV for merged observations (PsfFraction) (instr.det.psf)
SrcArea 59.344200 pix2 [0.7/31950] Average aperture area for merged observations in (0.492arcsec)2 units (SrcArea) (phys.area;instr)
AfterglowFraction 0.000000   [0/0.7] Suspected afterglow fraction, 0.5-8keV (AfterglowFraction) (Note 8)   (stat.fit.param)
SrcCounts_t 14 ct [0/8598] Extracted 0.5-8keV counts in merged apertures (SrcCounts_t) (phot.count;em.X-ray)
SrcCounts_s 1 ct [0/2189] Extracted 0.5-2keV counts in merged apertures (SrcCounts_s) (phot.count;em.X-ray)
SrcCounts_h 13 ct [0/8320] Extracted 2-8keV counts in merged apertures (SrcCounts_h) (phot.count;em.X-ray)
BkgScaling 19.030027   [0.4/13937] Scaling of background extraction (BkgScaling) (instr.background)
BkgCounts_t 117 ct [3/6732] Extracted 0.5-8keV counts in merged background regions (BkgCounts_t) (instr.background;em.X-ray.medium)
BkgCounts_s 13 ct [0/1088] Extracted 0.5-2keV counts in merged background regions (BkgCounts_s) (instr.background;em.X-ray.soft)
BkgCounts_h 104 ct [0/6543] Extracted 2-8keV counts in merged background regions (BkgCounts_h) (instr.background;em.X-ray.medium)
NetCounts_Lo_t 4.352270 ct [0/8460] 1-σ lower bound on Ncts-t (NetCounts_Lo_t) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_t 7.851822 ct [-0.4/8553] Net 0.5-8keV counts in merged apertures (NetCounts_t) (phot.count;em.X-ray)
NetCounts_Hi_t 11.99710 ct [1/8647] 1-σ upper bound on Ncts-t (NetCounts_Hi_t) (Note 9)   (phot.count;em.X-ray;stat.max)
NetCounts_Lo_s 0.00000 ct [0/2136] 1-σ lower bound on Ncts-s (NetCounts_Lo_s) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_s 0.382378 ct [-10.2/2183] Net 0.5-2keV counts in merged apertures (NetCounts_s) (phot.count;em.X-ray)
NetCounts_Hi_s 1.93782 ct [0/2230] 1-σ upper bound on Ncts-s (NetCounts_Hi_s) (Note 9)   (phot.count;em.X-ray;stat.max)
NetCounts_Lo_h 4.08364 ct [0/8186] 1-σ lower bound on Ncts-h (NetCounts_Lo_h) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_h 7.469444 ct [-20.1/8278] Net 2-8keV counts in merged apertures (NetCounts_h) (phot.count;em.X-ray)
NetCounts_Hi_h 11.44880 ct [0.5/8370] 1-σ upper bound on Ncts-h (NetCounts_Hi_h) (Note 9)   (phot.count;em.X-ray;stat.max)
MeanEffectiveArea_t169.8302 cm2.ct/ph [12/293] Mean effective area (ARF value) in cm2.count/photon in 0.5-8keV (MeanEffectiveArea_t) (Note 10)   (phys.area;instr)
MeanEffectiveArea_s240.7665 cm2.ct/ph [16.5/515] Mean effective area (ARF value) in cm2.count/photon in 0.5-2keV (MeanEffectiveArea_s) (Note 10)   (phys.area;instr)
MeanEffectiveArea_h152.0529 cm2.ct/ph [10.4/238] Mean effective area (ARF value) in cm2.count/photon in 2-8keV (MeanEffectiveArea_h) (Note 10)   (phys.area;instr)
MedianEnergy_t 3.8471 keV [0.5/7.6] Median 0.5-8keV energy, observed spectrum (MedianEnergy_t) (em.energy)
MedianEnergy_s 0.6643 keV [0.5/2] Median 0.5-2keV energy, observed spectrum (MedianEnergy_s) (em.energy)
MedianEnergy_h 3.8471 keV [2/8] Median 2-8keV energy, observed spectrum (MedianEnergy_h) (em.energy)
PhotonFlux_t 6.99051e-07 ph/cm2/s [-7.7e-8/0.0014] Incident total (0.5-8keV) photon flux: NCts-t/Area-t/ExpNom (PhotonFlux_t) (Note 11)   (phot.flux;em.X-ray)
PhotonFlux_s 2.40132e-08 ph/cm2/s [-2.2e-6/0.00011] Incident soft (0.5-2keV) photon flux: NCts-s/Area-s/ExpNom (PhotonFlux_s) (Note 11)   (phot.flux;em.X-ray)
PhotonFlux_h 7.42757e-07 ph/cm2/s [-1.7e-5/0.0016] Incident hard (2-8keV) photon flux: NCts-h/Area-h/ExpNom (PhotonFlux_h) (Note 11)   (phot.flux;em.X-ray)
EnergyFlux_t 4.60320e-15 mW/m2 [0/1.1e-11] Total (0.5-8keV) energy flux max (EFlxs>0)+max(EFlxh,0) (EnergyFlux_t) (Note 12)   (em.energy)
EnergyFlux_s 2.55550e-17 mW/m2 [7.4e-20/2.6e-13] Soft (0.5-2keV) apparent energy flux (EnergyFlux_s) (Note 12)   (em.energy)
EnergyFlux_h 4.57765e-15 mW/m2 [2.5e-20/1.1e-11] Hard (2-8keV) apparent energy flux (EnergyFlux_h) (Note 12)   (em.energy)
  
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