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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=3849
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ColumnValue  Explain   (UCD)
_RAJ200017 20 49.08047 "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 45 10.0910 "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 27.99667 "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 42 12.3442 "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)
_Glon351.43396002 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+00.67476336 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)
3849recno 3849  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)
Name172049.08-354510.0  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)
Labelc6557  X-ray source name used within the project (Note 2)   (meta.id;obs)
RAJ2000260.204502 deg (i) [244.5/348.9] Right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000-35.752803 deg (i) [-51.2/61.8] Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
PosErr 0.339 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 0.000243   [0/0.01] Smallest of no-t, no-s and no-h (ProbNoSrc_MostValid) (Note 3)   (stat.fit.goodness)
ProbNoSrc_t 0.000774   [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 0.000243   [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    [0/1] 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    [0/1] 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 0.906126   [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 0.966037   [0.07/1] Fraction of ExpNom source was observed (ExposureFraction) (Note 6)   (stat.fit.omc)
RateIn3x3Cell 0.000256 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 2.329150 arcmin [0.01/25] Smallest value of θ (Theta_Lo) (stat.value)
Theta 2.450310 arcmin [0.04/25] Average off-axis angle θ for merged observations (Theta) (instr.offset)
Theta_Hi 9.412750 arcmin [0.04/27.4] Largest value of θ (Theta_Hi) (stat.value;stat.max)
PsfFraction 0.905919   [0.3/1] Average PSF fraction at 1.49keV for merged observations (PsfFraction) (instr.det.psf)
SrcArea 29.753901 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 3 ct [0/8598] Extracted 0.5-8keV counts in merged apertures (SrcCounts_t) (phot.count;em.X-ray)
SrcCounts_s 0 ct [0/2189] Extracted 0.5-2keV counts in merged apertures (SrcCounts_s) (phot.count;em.X-ray)
SrcCounts_h 3 ct [0/8320] Extracted 2-8keV counts in merged apertures (SrcCounts_h) (phot.count;em.X-ray)
BkgScaling 353.470276   [0.4/13937] Scaling of background extraction (BkgScaling) (instr.background)
BkgCounts_t 127 ct [3/6732] Extracted 0.5-8keV counts in merged background regions (BkgCounts_t) (instr.background;em.X-ray.medium)
BkgCounts_s 37 ct [0/1088] Extracted 0.5-2keV counts in merged background regions (BkgCounts_s) (instr.background;em.X-ray.soft)
BkgCounts_h 90 ct [0/6543] Extracted 2-8keV counts in merged background regions (BkgCounts_h) (instr.background;em.X-ray.medium)
NetCounts_Lo_t 1.195320 ct [0/8460] 1-σ lower bound on Ncts-t (NetCounts_Lo_t) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_t 2.640705 ct [-0.4/8553] Net 0.5-8keV counts in merged apertures (NetCounts_t) (phot.count;em.X-ray)
NetCounts_Hi_t 4.79859 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  ct [0/2136] 1-σ lower bound on Ncts-s (NetCounts_Lo_s) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_s -0.090417 ct [-10.2/2183] Net 0.5-2keV counts in merged apertures (NetCounts_s) (phot.count;em.X-ray)
NetCounts_Hi_s 1.14754 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 1.28189 ct [0/8186] 1-σ lower bound on Ncts-h (NetCounts_Lo_h) (Note 9)   (phot.count;em.X-ray;stat.min)
NetCounts_h 2.731122 ct [-20.1/8278] Net 2-8keV counts in merged apertures (NetCounts_h) (phot.count;em.X-ray)
NetCounts_Hi_h 4.88504 ct [0.5/8370] 1-σ upper bound on Ncts-h (NetCounts_Hi_h) (Note 9)   (phot.count;em.X-ray;stat.max)
MeanEffectiveArea_t241.3220 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_s338.8258 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_h216.8867 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 5.7597 keV [0.5/7.6] Median 0.5-8keV energy, observed spectrum (MedianEnergy_t) (em.energy)
MedianEnergy_s  keV [0.5/2] Median 0.5-2keV energy, observed spectrum (MedianEnergy_s) (em.energy)
MedianEnergy_h 5.7597 keV [2/8] Median 2-8keV energy, observed spectrum (MedianEnergy_h) (em.energy)
PhotonFlux_t 2.69099e-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-6.56242e-09 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 3.09669e-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 2.85733e-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  mW/m2 [7.4e-20/2.6e-13] Soft (0.5-2keV) apparent energy flux (EnergyFlux_s) (Note 12)   (em.energy)
EnergyFlux_h 2.85733e-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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