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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=3707
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ColumnValue  Explain   (UCD)
_RAJ200017 20 42.21147 "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 50 20.0510 "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 20.98202 "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 47 21.8062 "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)
_Glon351.34999743 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+00.64470769 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)
3707recno 3707  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)
Name172042.21-355020.0  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)
Labelc6281  X-ray source name used within the project (Note 2)   (meta.id;obs)
RAJ2000260.175881 deg (i) [244.5/348.9] Right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000-35.838903 deg (i) [-51.2/61.8] Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
PosErr 0.147 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 0.000000   [0/0.01] Smallest of no-t, no-s and no-h (ProbNoSrc_MostValid) (Note 3)   (stat.fit.goodness)
ProbNoSrc_t 0.000000   [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 0.000000   [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 0.000000   [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 0.204694   [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 0.221804   [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 0.979561   [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 40664.10 s [1015/147545] Total exposure in merged observations (ExposureTimeNominal) (time.expo)
ExposureFraction 0.966357   [0.07/1] Fraction of ExpNom source was observed (ExposureFraction) (Note 6)   (stat.fit.omc)
RateIn3x3Cell 0.002057 ct [0/0.5] 0.5-8keV rate in 3x3 CCD pixel cell in count/frame (RateIn3x3Cell) (Note 7)   (pos.cartesian.y)
NumObsIDs2   [1/4] Total number of observations extracted (NumObsIDs) (meta.number)
NumMerged2   [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 3.776420 arcmin [0.01/25] Smallest value of θ (Theta_Lo) (stat.value)
Theta 3.794200 arcmin [0.04/25] Average off-axis angle θ for merged observations (Theta) (instr.offset)
Theta_Hi 4.607330 arcmin [0.04/27.4] Largest value of θ (Theta_Hi) (stat.value;stat.max)
PsfFraction 0.894933   [0.3/1] Average PSF fraction at 1.49keV for merged observations (PsfFraction) (instr.det.psf)
SrcArea 34.361401 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 39 ct [0/8598] Extracted 0.5-8keV counts in merged apertures (SrcCounts_t) (phot.count;em.X-ray)
SrcCounts_s 12 ct [0/2189] Extracted 0.5-2keV counts in merged apertures (SrcCounts_s) (phot.count;em.X-ray)
SrcCounts_h 27 ct [0/8320] Extracted 2-8keV counts in merged apertures (SrcCounts_h) (phot.count;em.X-ray)
BkgScaling 326.499939   [0.4/13937] Scaling of background extraction (BkgScaling) (instr.background)
BkgCounts_t 128 ct [3/6732] Extracted 0.5-8keV counts in merged background regions (BkgCounts_t) (instr.background;em.X-ray.medium)
BkgCounts_s 33 ct [0/1088] Extracted 0.5-2keV counts in merged background regions (BkgCounts_s) (instr.background;em.X-ray.soft)
BkgCounts_h 95 ct [0/6543] Extracted 2-8keV counts in merged background regions (BkgCounts_h) (instr.background;em.X-ray.medium)
NetCounts_Lo_t 32.661800 ct [0/8460] 1-σ lower bound on Ncts-t (NetCounts_Lo_t) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_t 38.607964 ct [-0.4/8553] Net 0.5-8keV counts in merged apertures (NetCounts_t) (phot.count;em.X-ray)
NetCounts_Hi_t 45.21450 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 8.72965 ct [0/2136] 1-σ lower bound on Ncts-s (NetCounts_Lo_s) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_s 11.899944 ct [-10.2/2183] Net 0.5-2keV counts in merged apertures (NetCounts_s) (phot.count;em.X-ray)
NetCounts_Hi_s 15.72720 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 21.82420 ct [0/8186] 1-σ lower bound on Ncts-h (NetCounts_Lo_h) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_h 26.708019 ct [-20.1/8278] Net 2-8keV counts in merged apertures (NetCounts_h) (phot.count;em.X-ray)
NetCounts_Hi_h 32.26860 ct [0.5/8370] 1-σ upper bound on Ncts-h (NetCounts_Hi_h) (Note 9)   (phot.count;em.X-ray;stat.max)
MeanEffectiveArea_t228.6834 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_s324.0164 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_h204.7922 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 2.9273 keV [0.5/7.6] Median 0.5-8keV energy, observed spectrum (MedianEnergy_t) (em.energy)
MedianEnergy_s 1.5111 keV [0.5/2] Median 0.5-2keV energy, observed spectrum (MedianEnergy_s) (em.energy)
MedianEnergy_h 3.4383 keV [2/8] Median 2-8keV energy, observed spectrum (MedianEnergy_h) (em.energy)
PhotonFlux_t 4.15175e-06 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 9.03165e-07 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 3.20714e-06 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 1.98518e-14 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 2.18637e-15 mW/m2 [7.4e-20/2.6e-13] Soft (0.5-2keV) apparent energy flux (EnergyFlux_s) (Note 12)   (em.energy)
EnergyFlux_h 1.76654e-14 mW/m2 [2.5e-20/1.1e-11] Hard (2-8keV) apparent energy flux (EnergyFlux_h) (Note 12)   (em.energy)
  
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