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=77597
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ColumnValue  Explain   (UCD)
_RAJ200018 42 35.808 "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+55 32 26.88 "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 41 37.618 "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+55 29 23.77 "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)
_Glon084.939368 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+23.290508 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)
77597recno 77597  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1WGAJ1842.5+5532  (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)
RAJ2000280.6492 deg (i) Right ascension of source (J2000) (pos.eq.ra;meta.main)
DEJ2000+55.5408 deg (i) Declination of source (J2000) (pos.eq.dec;meta.main)
Xpos12165.0 pix The source coordinate in original pixels (pos.cartesian.x;instr.det)
Ypos 6999.8 pix The source coordinate in original pixels (pos.cartesian.y;instr.det)
GLON 84.94 deg [0,360] Galactic Longitude (pos.galactic.lon)
GLAT 23.29 deg Galactic Latitude (pos.galactic.lat)
Count 0.12900 ct/s Background subtracted count rate accumulated in PHA bins 24 to 224 (0.24-2.0keV) (phot.count;em.X-ray)
e_Count 0.00540 ct/s Mean error on Count (stat.error;phot.count)
Fx 1.935e-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 1.30  Telescope vignetting correction (Note 1)   (instr.param)
ErrorRad 50 arcsec 90% confidence source error radius. (stat.error)
BoxSize 150 arcsec Optimum source half box size. (instr.param)
RAc.deg281.7059 deg Image center right ascension. (Note 2)   (pos.eq.ra;obs.image)
DEc.deg 55.6649 deg Image center declination. (Note 2)   (pos.eq.dec;obs.image)
Dist.c36.582 arcmin Offset of detected position from (RAc,DEc) (pos.angDistance)
RAt281.7502 deg Target right ascension (J2000) (Note 3)   (pos.eq.ra)
DEt 55.6398 deg Target declination (J2000) (Note 3)   (pos.eq.dec)
Dist.t37.800 arcmin Offset of detected position from (RAt,DEt) (pos.angDistance)
OBJECTRX J1846.9+5538.  Original field name as found in event list (meta.id;time.duration;obs.field)
ROR201241   [100000/999999] number of unique sequences (meta.number)
StartDate 1992-06-15T21:58:46 s Observation Starting date/time, DMF secs (Note 13)   (time.start;obs)
EndDate 1992-06-18T17:31:45 s Observation Ending date/time, DMF secs (Note 13)   (time.end;obs)
Ndetect 17  Total number of detections in the image. (meta.number)
IDno 15  The source number in the field (Note 4)   (meta.id;obs.field)
ImageFileWP201241_OUT  FITS image file name (obs.image)
EventFileWP201241  Event file name (meta.id;time.duration;meta.file)
SourceIDWP201241_OUT_15  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 23.80  The signal to noise ratio of the source (stat.snr)
Qflag12   [5,12] Quality flag from bad to good (Note 6)   (meta.code.qual)
RegionO   [IO] Region of the ROSAT image (I=in, O=out) (meta.note)
Zoom20  Rebinning factor of the image (instr.param)
Bgnd 2.833e-08 ct/pix/s Background count rate (arith.rate;instr.background)
ExpTime 9351 s Exposure time of the field (time.epoch;obs.field)
SR1 2.5360  Softness ratio 11-39/40-85 (Note 7)   (phot.flux;arith.ratio)
e_SR1 0.2082  Mean error on SR1 (stat.error)
HR1 1.3820  Hardness ratio 86-200/40-85 (Note 7)   (phot.flux;arith.ratio)
e_HR1 0.1261  Mean error on HR1 (stat.error)
SR2 0.7636  Hard softness ratio 50-86/87-129 (Note 7)   (phot.flux;arith.ratio)
e_SR2 0.0782  Mean error on SR2 (stat.error)
HR2 0.2909  Hard hardness ratio 130-240/87-129 (Note 7)   (phot.flux;arith.ratio)
e_HR2 0.0413  Mean error on HR2 (stat.error)
Counts 1018 ct Total number of counts detected (meta.number)
e_Counts 31.91 ct Mean error on Counts (stat.error;phot.count)
Count1 525 ct Low band (11-39=0.1-0.4keV) counts (phot.count;em.X-ray)
e_Count1 22.91 ct Mean error on Count1 (stat.error)
Count2 207 ct Mid band (40-85=0.4-0.9keV) counts (phot.count;em.X-ray)
e_Count2 14.39 ct Mean error on Count2 (stat.error)
Count3 286 ct High band (86-200=0.92.0keV) counts (phot.count;em.X-ray)
e_Count3 16.91 ct Mean error on Count3 (stat.error)
Chi2 43.624  Variability test (Note 8)   (src.var)
XidFlag1   [1] 1 if ID with pre-Rosat X-ray source (meta.code)
Xid1   First name of X-ray identifier (meta.id)
Xid22E1841.6+5529  2nd name of X-ray identifier (meta.id)
Xid32E1841.6+5529  3rd name of X-ray identifier (meta.id)
Xid4   4th name of X-ray identifier (meta.id)
IPCcount 0.01 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 9.518e-02   Ratio of IPC/PSPC count rates. (phot.flux;arith.ratio)
e_IPC/PSPC 2.221e-03   Mean error on IPC/PSPC (stat.error)
OIdFlag1   [1] 1 if ID with optical source (meta.code)
OId146 DRA  First name of optical counterpart (meta.id.cross)
OId2SAO31119  2nd name of optical counterpart (meta.id)
OId3   3rd name of optical counterpart (meta.id)
OId446 DRA  4th name of optical counterpart (meta.id)
SIMBADBD+552107C  Name in SIMBAD data-base (if existing, all blanks removed) (meta.id;meta.dataset)
Vmag 5.04 mag V magnitude of any optical counterpart (phot.mag;em.opt.V)
Fx/Fo 4.706e-05   X-ray over optical flux ratio (Note 11)   (phot.flux;arith.ratio)
AoX 3.14e+00   Optical to X-ray slope (Note 12)   (spect.index)
z 0.0000   Redshift of counterpart (src.redshift)
Class2290   Source classification (Note 14)   (src.class)
GSCseq    GSC Identification: sequence number (meta.id)
GSCreg    GSC Identification: region numer (meta.id)
QVmag    GSC quasi-V magnitude (phot.mag;em.opt.V)
QBmag    GSC quasi-B magnitude (phot.mag;em.opt.B)
GSCext    [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)
IRASF18416+5529  Name in IRAS (II/125 or II/156) (meta.id)
IdCatHIP   [HIPC ] Catalog used for optical position (Note 9)   (instr.setup)
IDoffset 19.014 arcmin Offset of Id star from ROSAT position (meta.id)
oRA -18.256 arcmin Offset from reference star (Note 9)   (pos.eq.ra;arith.diff)
oDE 5.313 arcmin Offset from reference star (Note 9)   (pos.eq.dec;arith.diff)
Vno    [1] Version of WGACAT (meta.code)
MPEnameJ184236+5532.2  Name in MPE catalog IX/11 (meta.id)
MPEflag1   [1,2] Comparison with MPE IX/11 (Note 10)   (meta.code)
MPEcount 0.08000 ct/s Count from MPE (phot.count;em.X-ray)
e_MPEcount 0.00000 ct/s Mean error on MPEcount (stat.error)
NH21cm 4.8e+20 cm-2 21cm number of H from Starke et al. (meta.id)
B-V-0.09 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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