VizieR

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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=49631
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ColumnValue  Explain   (UCD)
_RAJ200012 04 01.608 "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 13 53.76 "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)
_RAB195012 01 28.143 "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 30 35.58 "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)
_Glon242.861970 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+77.150947 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)
49631recno 49631  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1WGAJ1204.0+2013  (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)
RAJ2000181.0067 deg (i) Right ascension of source (J2000) (pos.eq.ra;meta.main)
DEJ2000+20.2316 deg (i) Declination of source (J2000) (pos.eq.dec;meta.main)
Xpos 7906.1 pix The source coordinate in original pixels (pos.cartesian.x;instr.det)
Ypos 7763.3 pix The source coordinate in original pixels (pos.cartesian.y;instr.det)
GLON242.86 deg [0,360] Galactic Longitude (pos.galactic.lon)
GLAT 77.15 deg Galactic Latitude (pos.galactic.lat)
Count 0.00640 ct/s Background subtracted count rate accumulated in PHA bins 24 to 224 (0.24-2.0keV) (phot.count;em.X-ray)
e_Count 0.00081 ct/s Mean error on Count (stat.error;phot.count)
Fx 9.600e-14 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 22 arcsec Optimum source half box size. (instr.param)
RAc.deg181.0133 deg Image center right ascension. (Note 2)   (pos.eq.ra;obs.image)
DEc.deg 20.2450 deg Image center declination. (Note 2)   (pos.eq.dec;obs.image)
Dist.c 0.887 arcmin Offset of detected position from (RAc,DEc) (pos.angDistance)
RAt181.0399 deg Target right ascension (J2000) (Note 3)   (pos.eq.ra)
DEt 20.2200 deg Target declination (J2000) (Note 3)   (pos.eq.dec)
Dist.t 1.998 arcmin Offset of detected position from (RAt,DEt) (pos.angDistance)
OBJECTN79-299A  Original field name as found in event list (meta.id;time.duration;obs.field)
ROR800039   [100000/999999] number of unique sequences (meta.number)
StartDate 1991-06-12T00:52:26 s Observation Starting date/time, DMF secs (Note 13)   (time.start;obs)
EndDate 1991-06-13T00:30:18 s Observation Ending date/time, DMF secs (Note 13)   (time.end;obs)
Ndetect 8  Total number of detections in the image. (meta.number)
IDno 3  The source number in the field (Note 4)   (meta.id;obs.field)
ImageFileRP800039_IN  FITS image file name (obs.image)
EventFileRP800039  Event file name (meta.id;time.duration;meta.file)
SourceIDRP800039_IN_3  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 7.91  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 1.223e-07 ct/pix/s Background count rate (arith.rate;instr.background)
ExpTime 15991 s Exposure time of the field (time.epoch;obs.field)
SR1 1.0260  Softness ratio 11-39/40-85 (Note 7)   (phot.flux;arith.ratio)
e_SR1 0.2339  Mean error on SR1 (stat.error)
HR1 1.1580  Hardness ratio 86-200/40-85 (Note 7)   (phot.flux;arith.ratio)
e_HR1 0.2564  Mean error on HR1 (stat.error)
SR2 1.0690  Hard softness ratio 50-86/87-129 (Note 7)   (phot.flux;arith.ratio)
e_SR2 0.2762  Mean error on SR2 (stat.error)
HR2 0.5517  Hard hardness ratio 130-240/87-129 (Note 7)   (phot.flux;arith.ratio)
e_HR2 0.1718  Mean error on HR2 (stat.error)
Counts 121 ct Total number of counts detected (meta.number)
e_Counts 11.00 ct Mean error on Counts (stat.error;phot.count)
Count1 39 ct Low band (11-39=0.1-0.4keV) counts (phot.count;em.X-ray)
e_Count1 6.25 ct Mean error on Count1 (stat.error)
Count2 38 ct Mid band (40-85=0.4-0.9keV) counts (phot.count;em.X-ray)
e_Count2 6.16 ct Mean error on Count2 (stat.error)
Count3 44 ct High band (86-200=0.92.0keV) counts (phot.count;em.X-ray)
e_Count3 6.63 ct Mean error on Count3 (stat.error)
Chi2 29.660  Variability test (Note 8)   (src.var)
XidFlag    [1] 1 if ID with pre-Rosat X-ray source (meta.code)
Xid1   First name of X-ray identifier (meta.id)
Xid2   2nd name of X-ray identifier (meta.id)
Xid3   3rd name of X-ray identifier (meta.id)
Xid4   4th name of X-ray identifier (meta.id)
IPCcount  ct/s Count rate detected by the Einstein IPC. (phot.count;em.X-ray)
e_IPCcount  ct/s Mean error on IPCcount (stat.error)
IPC/PSPC    Ratio of IPC/PSPC count rates. (phot.flux;arith.ratio)
e_IPC/PSPC    Mean error on IPC/PSPC (stat.error)
OIdFlag1   [1] 1 if ID with optical source (meta.code)
OId1N4061  First name of optical counterpart (meta.id.cross)
OId2   2nd name of optical counterpart (meta.id)
OId3N4061  3rd name of optical counterpart (meta.id)
OId4   4th name of optical counterpart (meta.id)
SIMBAD   Name in SIMBAD data-base (if existing, all blanks removed) (meta.id;meta.dataset)
Vmag 14.00 mag V magnitude of any optical counterpart (phot.mag;em.opt.V)
Fx/Fo 8.959e-03   X-ray over optical flux ratio (Note 11)   (phot.flux;arith.ratio)
AoX 2.22e+00   Optical to X-ray slope (Note 12)   (spect.index)
z 0.0245   Redshift of counterpart (src.redshift)
Class6300   Source classification (Note 14)   (src.class)
GSCseq 818   GSC Identification: sequence number (meta.id)
GSCreg 1444   GSC Identification: region numer (meta.id)
QVmag13.02   GSC quasi-V magnitude (phot.mag;em.opt.V)
QBmag    GSC quasi-B magnitude (phot.mag;em.opt.B)
GSCextye   [NOnoYEye] GSC Extension flag (meta.code)
RIdFlag1   [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)
MPEnameJ120405+2013.8  Name in MPE catalog IX/11 (meta.id)
MPEflag2   [1,2] Comparison with MPE IX/11 (Note 10)   (meta.code)
MPEcount 0.02921 ct/s Count from MPE (phot.count;em.X-ray)
e_MPEcount 0.00179 ct/s Mean error on MPEcount (stat.error)
NH21cm 2.4e+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)
Ori1   [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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