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VizieR

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IX/31/wgacat The WGACAT version of ROSAT sources (White+ 2000)
The full catalogue (88621 rows)
  recno=55628
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ColumnValue  Explain   (UCD)
_RAJ200008 10 56.304 "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+28 08 38.76 "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)
_RAB195008 07 52.278 "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+28 17 34.87 "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)
_Glon194.081801 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+28.808191 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)
55628recno 55628  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1WGAJ0810.9+2808  (i) Source name (based on J2000 position) (Note 2)   (meta.id;meta.main)
f_1WGA*   [*] '*' indicates multiple entries with the same 1WGA name (Note 2)   (meta.code)
RAJ2000122.7346 deg (i) Right ascension of source (J2000) (pos.eq.ra;meta.main)
DEJ2000+28.1441 deg (i) Declination of source (J2000) (pos.eq.dec;meta.main)
Xpos 7650.8 pix The source coordinate in original pixels (pos.cartesian.x;instr.det)
Ypos 7638.4 pix The source coordinate in original pixels (pos.cartesian.y;instr.det)
GLON194.08 deg [0,360] Galactic Longitude (pos.galactic.lon)
GLAT 28.81 deg Galactic Latitude (pos.galactic.lat)
Count 0.35300 ct/s Background subtracted count rate accumulated in PHA bins 24 to 224 (0.24-2.0keV) (phot.count;em.X-ray)
e_Count 0.01700 ct/s Mean error on Count (stat.error;phot.count)
Fx 5.295e-12 mW/m2 X-ray flux using a constant correction factor of 1.5x10–11 mW/m2 (erg/s/cm2). (phot.flux;em.X-ray)
Vign 1.00  Telescope vignetting correction (Note 1)   (instr.param)
ErrorRad 13 arcsec 90% confidence source error radius. (stat.error)
BoxSize 42 arcsec Optimum source half box size. (instr.param)
RAc.deg122.7018 deg Image center right ascension. (Note 2)   (pos.eq.ra)
DEc.deg 28.1749 deg Image center declination. (Note 2)   (pos.eq.dec)
Dist.c 2.534 arcmin Offset of detected position from (RAc,DEc) (pos.angDistance)
RAt122.7301 deg Target right ascension (J2000) (Note 3)   (pos.eq.ra)
DEt 28.1499 deg Target declination (J2000) (Note 3)   (pos.eq.dec)
Dist.t 0.420 arcmin Offset of detected position from (RAt,DEt) (pos.angDistance)
OBJECTYZ CNC  Original field name as found in event list (meta.id;time.duration;obs.field)
ROR300055   [100000/999999] number of unique sequences (meta.number)
StartDate 1994-05-01T02:14:34 s Observation Starting date/time, DMF secs (Note 13)   (time.start;obs)
EndDate 1994-05-01T00:00:00 s Observation Ending date/time, DMF secs (Note 13)   (time.end;obs)
Ndetect 4  Total number of detections in the image. (meta.number)
IDno 1  The source number in the field (Note 4)   (meta.id;obs.field)
ImageFilerp300055a02_in  FITS image file name (obs.image)
EventFilerp300055a02  Event file name (meta.id;time.duration;meta.file)
SourceIDrp300055a02_in_1  Unique source identification (Note 5)   (meta.id)
PrBkg 0.0   [0.0] Probability that the detection is due to a background fluctuation (instr.background)
SNR 20.70  The signal to noise ratio of the source (stat.snr)
Qflag12   [5,12] Quality flag from bad to good (Note 6)   (meta.code.qual)
RegionI   [IO] Region of the ROSAT image (I=in, O=out) (meta.note)
Zoom 8  Rebinning factor of the image (instr.param)
Bgnd 3.687e-08 ct/pix/s Background count rate (arith.rate;instr.background)
ExpTime 1369 s Exposure time of the field (time.epoch;obs.field)
SR1 1.2100  Softness ratio 11-39/40-85 (Note 7)   (phot.flux;arith.ratio)
e_SR1 0.1499  Mean error on SR1 (stat.error)
HR1 1.9080  Hardness ratio 86-200/40-85 (Note 7)   (phot.flux;arith.ratio)
e_HR1 0.2159  Mean error on HR1 (stat.error)
SR2 0.7500  Hard softness ratio 50-86/87-129 (Note 7)   (phot.flux;arith.ratio)
e_SR2 0.0955  Mean error on SR2 (stat.error)
HR2 0.5694  Hard hardness ratio 130-240/87-129 (Note 7)   (phot.flux;arith.ratio)
e_HR2 0.0788  Mean error on HR2 (stat.error)
Counts 490 ct Total number of counts detected (meta.number)
e_Counts 22.14 ct Mean error on Counts (stat.error;phot.count)
Count1 144 ct Low band (11-39=0.1-0.4keV) counts (phot.count;em.X-ray)
e_Count1 12.00 ct Mean error on Count1 (stat.error)
Count2 119 ct Mid band (40-85=0.4-0.9keV) counts (phot.count;em.X-ray)
e_Count2 10.91 ct Mean error on Count2 (stat.error)
Count3 227 ct High band (86-200=0.92.0keV) counts (phot.count;em.X-ray)
e_Count3 15.07 ct Mean error on Count3 (stat.error)
Chi2 11.624  Variability test (Note 8)   (src.var)
XidFlag1   [1] 1 if ID with pre-Rosat X-ray source (meta.code)
Xid11RXS J081056.6  First name of X-ray identifier (meta.id)
Xid22E0807.8+2817  2nd name of X-ray identifier (meta.id)
Xid32E0807.8+2817  3rd name of X-ray identifier (meta.id)
Xid41RXS J081056.6  4th name of X-ray identifier (meta.id)
IPCcount 0.04 ct/s Count rate detected by the Einstein IPC. (phot.count;em.X-ray)
e_IPCcount 0.00 ct/s Mean error on IPCcount (stat.error)
IPC/PSPC 1.073e-01   Ratio of IPC/PSPC count rates. (phot.flux;arith.ratio)
e_IPC/PSPC 1.504e-03   Mean error on IPC/PSPC (stat.error)
OIdFlag1   [1] 1 if ID with optical source (meta.code)
OId1J081056.6+2808  First name of optical counterpart (meta.id.cross)
OId2CV J081056.62+  2nd name of optical counterpart (meta.id)
OId3   3rd name of optical counterpart (meta.id)
OId4J081056.6+2808  4th name of optical counterpart (meta.id)
SIMBADV*YZCNC  Name in SIMBAD data-base (if existing, all blanks removed) (meta.id;meta.dataset)
Vmag 14.10 mag V magnitude of any optical counterpart (phot.mag;em.opt.V)
Fx/Fo 5.418e-01   X-ray over optical flux ratio (Note 11)   (phot.flux;arith.ratio)
AoX 1.57e+00   Optical to X-ray slope (Note 12)   (spect.index)
z 0.0000   Redshift of counterpart (src.redshift)
Class1650   Source classification (Note 14)   (src.class)
GSCseq 1134   GSC Identification: sequence number (meta.id)
GSCreg 1939   GSC Identification: region numer (meta.id)
QVmag13.97   GSC quasi-V magnitude (phot.mag;em.opt.V)
QBmag    GSC quasi-B magnitude (phot.mag;em.opt.B)
GSCextno   [NOnoYEye] GSC Extension flag (meta.code)
RIdFlag    [1] 1 if ID with radio source (meta.code)
RId1   First name of radio source (meta.id.cross)
RId2   Second name of radio source (meta.id)
RId3   Third name of radio source (meta.id)
S80cm  mJy radio flux at 80 cm (0.4GHz) (phot.flux.density;em.radio.200-400MHz)
S20cm  mJy radio flux at 20 cm (1.5GHz) (phot.flux.density;em.radio.1500-3000MHz)
S6cm  mJy radio flux at 6 cm (5.0GHz) (phot.flux.density;em.radio.3-6GHz)
IRAS   Name in IRAS (II/125 or II/156) (meta.id)
IdCat    [HIPC ] Catalog used for optical position (Note 9)   (instr.setup)
IDoffset  arcmin Offset of Id star from ROSAT position (meta.id)
oRA  arcmin Offset from reference star (Note 9)   (pos.eq.ra;arith.diff)
oDE  arcmin Offset from reference star (Note 9)   (pos.eq.dec;arith.diff)
Vno    [1] Version of WGACAT (meta.code)
MPEnameJ081057+2808.5  Name in MPE catalog IX/11 (meta.id)
MPEflag1   [1,2] Comparison with MPE IX/11 (Note 10)   (meta.code)
MPEcount 0.46150 ct/s Count from MPE (phot.count;em.X-ray)
e_MPEcount 0.01608 ct/s Mean error on MPEcount (stat.error)
NH21cm 3.7e+20 cm-2 21cm number of H from Starke et al. (meta.id)
B-V  mag B-V colour (phot.color;em.opt.B;em.opt.V)
Ori2   [1,2] 1 for WGACAT (old), 2 for WGACAT2 (new) (meta.code)

HEASARCWGACAT  Find the related data products available at HEASARC (meta.ref.url)
  
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