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IX/53/xmmsl2c XMM-Newton slew survey Source Catalogue, version 2.0 (XMM-SSC, 2017)
XMM-Newton slew survey Source Catalogue: XMMSL2 "clean version" (Release 2.0, 14th March 2017) (original column names in green); full catalog available: xmmsl2t.fits (16M, gzipped). (29393 rows)
  recno=13231
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ColumnValue  Explain   (UCD)
_RAJ200018 08 39.3672 "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)
_DEJ2000-20 24 42.264 "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)
_RAB195018 05 40.7233 "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)
_DEB1950-20 25 13.601 "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)
_Glon009.9953887 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-00.2423716 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)
13231recno 13231  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

UNIQUE_SRCNAMEXMMSL2 J180839.4-202442  Official name for sources detected in the XMM-Newton slew survey (UNIQUE_SRCNAME) (Note 1)   (meta.id;meta.main)
OBSID9169200002  Observation number (OBSID) (Note 2)   (meta.id;obs)
SOURCENUM 47  Number which uniquely identifies each detection in an observation (SOURCENUM) (meta.id)
RA272.16403 deg (i) Right ascension (J2000) (RA) (Note 3)   (pos.eq.ra;meta.main)
DEC-20.41174 deg (i) Declination (J2000) (DEC) (Note 3)   (pos.eq.dec;meta.main)
RADEC_ERR 4.48 arcsec Statistical error on the source position (RADEC_ERR) (Note 4)   (stat.error)
LII 9.99539 deg Galactic longitude (LII) (pos.galactic.lon)
BII -0.24238 deg Galactic latitude (BII) (pos.galactic.lat)
HR1    Hardness ratio (HR1) (Note 5)   (phot.flux;arith.ratio)
HR1_ERR    rms uncertainty on HR1 (HR1_ERR) (Note 6)   (stat.error)
DATE_OBS2009-03-06T09:32:02  Start time of the slew containing this source (DATE_OBS) (time.start)
DATE_END2009-03-06T09:32:02  End time of the slew containing this source (DATE_END) (time.end)
SCTS_B8 6.05473e+00 ct Number of background subtracted counts, in the total energy band (0.2-12keV) (SCTS_B8) (Note 7)   (phot.count;em.X-ray)
SCTS_B8_ERR 2.51790 ct Statistical 1 sigma error on SctsB8 (SCTS_B8_ERR) (stat.error)
SCTS_B7 4.10926e+00 ct Number of background subtracted counts, in the hard energy band (2-12keV), corrected for the PSF (SCTS_B7) (phot.count;em.X-ray)
SCTS_B7_ERR 2.08466 ct Statistical 1 sigma error on SctsB7 (SCTS_B7_ERR) (stat.error)
SCTS_B6  ct Number of background subtracted counts, in the soft energy band (0.2-2keV), corrected for the PSF (SCTS_B6) (phot.count;em.X-ray)
SCTS_B6_ERR  ct Statistical 1 sigma error on SctsB6 (SCTS_B6_ERR) (stat.error)
X_IMA_B8 2.44133e+02 pix X position in the total band image in image pixels (X_IMA_B8) (pos.cartesian.x)
Y_IMA_B8 1.15519e+02 pix Y position in the total band image in image pixels (Y_IMA_B8) (pos.cartesian.y)
X_IMA_B7 2.44255e+02 pix X position in the hard band image in image pixels(X_IMA_B7) (pos.cartesian.x)
Y_IMA_B7 1.15223e+02 pix Y position in the hard band image in image pixels(Y_IMA_B7) (pos.cartesian.y)
X_IMA_B6  pix X position in the soft band image in image pixels(X_IMA_B6) (pos.cartesian.x)
Y_IMA_B6  pix Y position in the soft band image in image pixels(Y_IMA_B6) (pos.cartesian.y)
EXT_B8 0.000000 pix Spatial extension of the source in the total energy band (EXT_B8) (Note 7)   (phys.angSize)
EXT_B8_ERR 0.000000 pix Statistical one sigma error on ExtB8 (EXT_B8_ERR) (stat.error)
EXT_B7 0.000000 pix Spatial extension of the source in the hard energy band (EXT_B7) (Note 7)   (phys.angSize)
EXT_B7_ERR 0.000000 pix Statistical one sigma error on ExtB7 (EXT_B7_ERR) (stat.error)
EXT_B6  pix Spatial extension of the source in the soft energy band (EXT_B6) (Note 7)   (phys.angSize)
EXT_B6_ERR  pix Statistical one sigma error on ExtB6 (EXT_B6_ERR) (stat.error)
DET_ML_B8 17.148640   Detection likelihood in the total (0.2-12keV) energy band (DET_ML_B8) (stat.likelihood)
DET_ML_B7 12.797140   Detection likelihood in the hard (2-12keV) energy band (DET_ML_B7) (stat.likelihood)
DET_ML_B6    Detection likelihood in the soft (0.2-2keV) energy band (DET_ML_B6) (stat.likelihood)
EXT_ML_B8    Likelihood of the source being extended in the total band (EXT_ML_B8) (stat.likelihood)
EXT_ML_B7    Likelihood of the source being extended in the hard band (EXT_ML_B7) (stat.likelihood)
EXT_ML_B6    Likelihood of the source being extended in the soft band (EXT_ML_B6) (stat.likelihood)
BG_MAP_B8 0.001209 ct/pix Background value for the total band (BG_MAP_B8) (phot.count;em.X-ray)
BG_MAP_B7 0.000477 ct/pix Background value for the hard band (BG_MAP_B7) (phot.count;em.X-ray)
BG_MAP_B6  ct/pix Background value for the soft band (BG_MAP_B6) (phot.count;em.X-ray)
EXP_MAP_B812.431770 s Effective on-axis exposure time in the total energy band (EXP_MAP_B8) (time.duration;obs.exposure)
EXP_MAP_B711.635030 s Effective on-axis exposure time in the hard energy band (EXP_MAP_B7) (time.duration;obs.exposure)
EXP_MAP_B6  s Effective on-axis exposure time in the soft energy band (EXP_MAP_B6) (time.duration;obs.exposure)
FLUX_B8 1.538548 10-15W/m2 Flux in the total energy (0.2-12keV) band (FLUX_B8) (phot.flux)
FLUX_B8_ERR 0.639815 10-15W/m2 Error in FluxB8 (FLUX_B8_ERR) (stat.error)
FLUX_B7 3.229481 10-15W/m2 Flux in the total energy (2-12keV) band (FLUX_B7) (phot.flux;em.X-ray.medium)
FLUX_B7_ERR 1.638342 10-15W/m2 Error in FluxB7 (FLUX_B7_ERR) (stat.error)
FLUX_B6  10-15W/m2 Flux in the total energy (0.2-2keV) band (FLUX_B6) (phot.flux)
FLUX_B6_ERR  10-15W/m2 Error in FluxB6 (FLUX_B6_ERR) (stat.error)
RATE_B8 0.487036 ct/s Total band count rate (RATE_B8) (phot.count;em.X-ray)
RATE_B8_ERR 0.202537 ct/s Error in RateB8 (RATE_B8_ERR) (stat.error)
RATE_B7 0.353180 ct/s Hard band count rate (RATE_B7) (phot.count;em.X-ray)
RATE_B7_ERR 0.179171 ct/s Error in RateB7 (RATE_B7_ERR) (stat.error)
RATE_B6  ct/s Soft band count rate (RATE_B6) (phot.count;em.X-ray)
RATE_B6_ERR  ct/s Error in RateB6 (RATE_B6_ERR) (stat.error)
RA_B8272.16403 deg Total band right ascension (J2000) (RA_B8) (pos.eq.ra)
DEC_B8-20.41174 deg Total band declination (J2000) (DEC_B8) (pos.eq.dec)
RADEC_B8_ERR 4.48204 deg Statistical error on total band position (RADEC_B8_ERR) (stat.error;instr.bandpass)
LII_B8 9.99539 deg Total band galactic longitude (LII_B8) (pos.galactic.lon)
BII_B8 -0.24238 deg Total band galactic latitude (BII_B8) (pos.galactic.lat)
RA_B7272.16389 deg Hard band right ascension (J2000) (RA_B7) (pos.eq.ra)
DEC_B7-20.41208 deg Hard band declination (J2000) (DEC_B7) (pos.eq.dec)
RADEC_B7_ERR 5.59920 deg Statistical error on hard band position (RADEC_B7_ERR) (stat.error)
LII_B7 9.99503 deg Hard band galactic longitude (LII_B7) (pos.galactic.lon)
BII_B7 -0.24242 deg Hard band galactic latitude (BII_B7) (pos.galactic.lat)
RA_B6  deg Soft band right ascension (J2000) (RA_B6) (pos.eq.ra)
DEC_B6  deg Soft band declination (J2000) (DEC_B6) (pos.eq.dec)
RADEC_B6_ERR  deg Statistical error on soft band position (RADEC_B6_ERR) (stat.error)
LII_B6  deg Soft band galactic longitude (LII_B6) (pos.galactic.lon)
BII_B6  deg Soft band galactic latitude (BII_B6) (pos.galactic.lat)
VAL_FLAGCLEAN_SAMPLE   [CLEAN_SAMPLE] Flag for source included in the clean subset (VAL_FLAG) (Note 8)   (meta.code.error)
SRCNAME_B8xs1692_9169200002_18:08:39.4-20:24:42  Source name defined in the total band list (SRCNAME_B8) (Note 9)   (meta.id)
SRCNAME_B7xs1692_9169200002_18:08:39.4-20:24:44  Source name defined in the hard band list (SRCNAME_B7) (Note 9)   (meta.id)
SRCNAME_B6   Source name defined in the soft band list (SRCNAME_B6) (Note 9)   (meta.id)
XIMNAME_B8P9169200002PNS003IMAGE_8001.FTZ  Name of the image containing the total band detection (XIMNAME_B8) (obs.image)
XIMNAME_B7P9169200002PNS003IMAGE_7001.FTZ  Name of the image containing the hard band detection (XIMNAME_B7) (obs.image)
XIMNAME_B6   Name of the image containing the soft band detection (XIMNAME_B6) (obs.image)
VER_INEXT0   [0/1] Extended source flag (VER_INEXT) (Note 10)   (meta.code)
VER_HALO0   [0/1] Halo flag (VER_HALO) (Note 11)   (meta.code)
VER_HIBGND0   [0/1] Bright region flag (VER_HIBGND) (Note 12)   (meta.code)
VER_PSUSP0   [0/1] Inaccurate position flag (VER_PSUSP) (Note 13)   (meta.code)
VER_FALSE0   [0/1] Catch-all for problems not included in the other flags (VER_FALSE) (Note 14)   (meta.code)
FLAG_COMMENT   Suspect attitude reconstruction in RAF (FLAG_COMMENT) (Note 15)   (meta.code)
IDENTWR 111c  Cross-correlations of the positions of the slew sources (IDENT) (Note 16)   (meta.id)
RASSNAME   Name of the closest Rosat All Sky Survey (RASS) source (RASSNAME) (Note 17)   (meta.id)
ID_CATEGORYWR*  Source type (ID_CATEGORY) (Note 18)   (src.class)
ID_RESOURCESIMBAD  Reference for Type (ID_RESOURCE) (Note 19)   (meta.note)
ID_DIST 0.662310 arcsec Distance between the best match candidate and the slew survey source (ID_DIST) (pos.angDistance;meta.modelled)
RASS_DIST  arcsec Distance from the best match ROSAT source and the slew source (RASS_DIST) (pos.angDistance)
MODE_IDLW  Observing mode of the EPIC-pn camera (MODE_ID) (Note 20)   (instr.setup)
IMAGE_BG_RATE 1.9 ct/s Peak background count rate in the image from which the source was extracted (IMAGE_BG_RATE) (Note 21)   (phot.count;em.X-ray)
MJD_START54896.4003 d Start time of the subimage where the source is located in modified Julian date (MJD_START) (time.epoch)
MJD_STOP54896.4009 d End time of the subimage where the source is located in modified Julian date (MJD_STOP) (time.epoch)
VER_OPTLOAD0   [0/1] Warning flag indicating that the source may suffer from optical loading (VER_OPTLOAD) (meta.code)
FILT_CNTS 6  Number of counts found within a 1 arcminute radius about the source position after standard filtering is applied (FILT_CNTS) (meta.number)
UNFILT_CNTS 8  Number of counts found within a 1 arcminute radius about the source position with no filtering applied (UNFILT_CNTS) (meta.number)
US_XMMSL1XMMSL1 J180839.1-202443  Name of the same source in the previous XMMSL1 catalogue if existing (US_XMMSL1) (meta.id)
US_EXTRAS 114772  Corresponding SRCID value within the EXTraS LTV catalogue (US_EXTRAS) (Note 22)   (meta.id)
  
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