VizieR

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Simple Target List Of Targets Fast Xmatch with large catalogs or Simbad

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size

	IX/31	75453		The WGACAT version of ROSAT sources (White+ 2000) ReadMe+ftp Similar Catalogs Post annotation
1.	IX/31/wgacat		The full catalogue (88621 rows) metaIX/31/wgacat

Simple Constraint List Of Constraints

Query by Constraints constraints help

constraints help

applied on Columns (Output Order: + - )

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Column

Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)

1WGA

(char)

⁽ⁱ⁾ Source name (based on J2000 position) (Note 2) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)

f_1WGA

(char)

[*] '*' indicates multiple entries with the same 1WGA name (Note 2) (pos.galactic.lon;src.veloc.hc;arith.diff;pos.eq.dec)

RAJ2000

deg

⁽ⁱ⁾ Right ascension of source (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)

DEJ2000

deg

⁽ⁱ⁾ Declination of source (J2000) (phys.veloc.expansion;meta.query;arith;(unassigned);arith)

Xpos

pix

The source coordinate in original pixels ((unassigned);(unassigned);(unassigned);(unassigned);phot.fluence)

Ypos

pix

The source coordinate in original pixels ((unassigned);(unassigned);(unassigned);(unassigned);phot.fluence)

GLON

deg

[0,360] Galactic Longitude ((unassigned);stat.rank;arith;(unassigned);meta.main)

GLAT

deg

Galactic Latitude ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))

Count

ct/s

Background subtracted count rate accumulated in PHA bins 24 to 224 (0.24-2.0keV) (src.veloc.lsr;(unassigned);arith;time.duration;(unassigned);(unassigned))

e_Count

ct/s

Mean error on Count ((unassigned);phys.veloc.orbital;arith.diff;time.age;time.start)

ALL cols

⁽ⁱ⁾indexed column

Fx

mW/m2

X-ray flux using a constant correction factor of 1.5x10^–11 mW/m² (erg/s/cm²). ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))

Vign

Telescope vignetting correction (Note 1) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic)

ErrorRad

90% confidence source error radius. ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

BoxSize

Optimum source half box size. ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic)

RAc.deg

deg

Image center right ascension. (Note 2) ((unassigned);(unassigned);(unassigned);(unassigned))

DEc.deg

deg

Image center declination. (Note 2) ((unassigned);(unassigned);(unassigned);(unassigned))

Dist.c

Offset of detected position from (RAc,DEc) ((unassigned);phys.veloc.orbital;arith.diff;em.mm.50-100GHz)

RAt

deg

Target right ascension (J2000) (Note 3) ((unassigned);(unassigned);(unassigned);(unassigned))

DEt

deg

Target declination (J2000) (Note 3) ((unassigned);(unassigned);(unassigned);(unassigned))

Dist.t

Offset of detected position from (RAt,DEt) ((unassigned);phys.veloc.orbital;arith.diff;em.mm.50-100GHz)

OBJECT

(char)

Original field name as found in event list ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;(unassigned);time.period)

ROR

[100000/999999] number of unique sequences ((unassigned);phys.veloc.orbital;arith.diff;src.var)

StartDate

s

Observation Starting date/time, DMF secs (Note 13) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);stat.param)

ALL cols

⁽ⁱ⁾indexed column

EndDate

s

Observation Ending date/time, DMF secs (Note 13) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);stat.param)

Ndetect

Total number of detections in the image. ((unassigned);phys.veloc.orbital;arith.diff;src.var)

IDno

The source number in the field (Note 4) ((unassigned);(unassigned);(unassigned);spect.line.veloc;time.lifetime)

ImageFile

(char)

FITS image file name ((unassigned);phys.veloc.orbital;arith.diff;time.resolution)

EventFile

(char)

Event file name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;(unassigned);pos.wcs.scale)

SourceID

(char)

Unique source identification (Note 5) ((unassigned);(unassigned);(unassigned);spect.line.veloc)

PrBkg

[0.0] Probability that the detection is due to a background fluctuation ((unassigned);(unassigned);(unassigned);meta.note)

SNR

The signal to noise ratio of the source ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;meta.main)

Qflag

[5,12] Quality flag from bad to good (Note 6) ((unassigned);phys.veloc.orbital;arith.diff;pos.cartesian)

Region

(char)

[IO] Region of the ROSAT image (I=in, O=out) ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)

Zoom

Rebinning factor of the image ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic)

Bgnd

Background count rate ((unassigned);(unassigned);(unassigned);instr.fov;meta.note)

ExpTime

s

Exposure time of the field ((unassigned);(unassigned);(unassigned);pos.centroid;time.period)

ALL cols

⁽ⁱ⁾indexed column

SR1

Softness ratio 11-39/40-85 (Note 7) ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)

e_SR1

Mean error on SR1 ((unassigned);(unassigned);(unassigned);time.age;meta.main)

HR1

Hardness ratio 86-200/40-85 (Note 7) ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)

e_HR1

Mean error on HR1 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

SR2

Hard softness ratio 50-86/87-129 (Note 7) ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)

e_SR2

Mean error on SR2 ((unassigned);(unassigned);(unassigned);time.age;meta.main)

HR2

Hard hardness ratio 130-240/87-129 (Note 7) ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)

e_HR2

Mean error on HR2 ((unassigned);(unassigned);(unassigned);time.age;meta.main)

Counts

ct

Total number of counts detected ((unassigned);(unassigned);(unassigned);src.var)

e_Counts

ct

Mean error on Counts ((unassigned);(unassigned);(unassigned);time.age;time.start)

Count1

ct

Low band (11-39=0.1-0.4keV) counts ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))

e_Count1

ct

Mean error on Count1 ((unassigned);(unassigned);(unassigned);time.age;meta.main)

Count2

ct

Mid band (40-85=0.4-0.9keV) counts ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))

ALL cols

⁽ⁱ⁾indexed column

e_Count2

ct

Mean error on Count2 ((unassigned);(unassigned);(unassigned);time.age;meta.main)

Count3

ct

High band (86-200=0.92.0keV) counts ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))

e_Count3

ct

Mean error on Count3 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

Chi2

Variability test (Note 8) ((unassigned);(unassigned);(unassigned);pos.cartesian;meta.main)

XidFlag

⁽ⁿ⁾ [1] 1 if ID with pre-Rosat X-ray source ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)

Xid1

(char)

First name of X-ray identifier (phys.veloc.microTurb;pos.angResolution;(unassigned);spect.line.veloc)

Xid2

(char)

2nd name of X-ray identifier ((unassigned);src.veloc.lsr;arith;spect.line.veloc)

Xid3

(char)

3rd name of X-ray identifier ((unassigned);meta.preview;arith;spect.line.veloc)

Xid4

(char)

4th name of X-ray identifier ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)

IPCcount

ct/s

⁽ⁿ⁾ Count rate detected by the Einstein IPC. ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))

e_IPCcount

ct/s

⁽ⁿ⁾ Mean error on IPCcount (phys.veloc.escape;(unassigned);arith;time.age;meta.main)

IPC/PSPC

⁽ⁿ⁾ Ratio of IPC/PSPC count rates. ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)

e_IPC/PSPC

⁽ⁿ⁾ Mean error on IPC/PSPC (obs.image;meta.version;(unassigned);time.age;meta.main)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

OIdFlag

⁽ⁿ⁾ [1] 1 if ID with optical source ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)

OId1

(char)

First name of optical counterpart ((unassigned);phys.veloc.orbital;arith.diff;src.class.starGalaxy)

OId2

(char)

2nd name of optical counterpart ((unassigned);(unassigned);arith;spect.line.veloc)

OId3

(char)

3rd name of optical counterpart ((unassigned);(unassigned);(unassigned);spect.line.veloc)

OId4

(char)

4th name of optical counterpart ((unassigned);(unassigned);(unassigned);spect.line.veloc)

SIMBAD

(char)

Name in SIMBAD data-base (if existing, all blanks removed) ((unassigned);(unassigned);(unassigned);spect.line.veloc;pos.wcs.crpix)

Vmag

mag

⁽ⁿ⁾ V magnitude of any optical counterpart ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

Fx/Fo

⁽ⁿ⁾ X-ray over optical flux ratio (Note 11) ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)

AoX

⁽ⁿ⁾ Optical to X-ray slope (Note 12) ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)

z

⁽ⁿ⁾ Redshift of counterpart ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)

Class

⁽ⁿ⁾ Source classification (Note 14) ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)

GSCseq

⁽ⁿ⁾ GSC Identification: sequence number ((unassigned);(unassigned);(unassigned);spect.line.veloc)

GSCreg

⁽ⁿ⁾ GSC Identification: region numer ((unassigned);(unassigned);(unassigned);spect.line.veloc)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

QVmag

⁽ⁿ⁾ GSC quasi-V magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

QBmag

⁽ⁿ⁾ GSC quasi-B magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

GSCext

(char)

[NOnoYEye] GSC Extension flag ((unassigned);(unassigned);(unassigned);pos.eq.dec)

RIdFlag

⁽ⁿ⁾ [1] 1 if ID with radio source ((unassigned);(unassigned);(unassigned);pos.eq.dec)

RId1

(char)

First name of radio source ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)

RId2

(char)

Second name of radio source ((unassigned);(unassigned);(unassigned);spect.line.veloc)

RId3

(char)

Third name of radio source ((unassigned);(unassigned);(unassigned);spect.line.veloc)

S80cm

mJy

⁽ⁿ⁾ radio flux at 80 cm (0.4GHz) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))

S20cm

mJy

⁽ⁿ⁾ radio flux at 20 cm (1.5GHz) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))

S6cm

mJy

⁽ⁿ⁾ radio flux at 6 cm (5.0GHz) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))

IRAS

(char)

Name in IRAS (II/125 or II/156) ((unassigned);(unassigned);(unassigned);spect.line.veloc)

IdCat

(char)

[HIPC ] Catalog used for optical position (Note 9) ((unassigned);(unassigned);(unassigned);phys.electron.degen)

IDoffset

⁽ⁿ⁾ Offset of Id star from ROSAT position ((unassigned);(unassigned);(unassigned);spect.line.veloc)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

oRA

⁽ⁿ⁾ Offset from reference star (Note 9) ((unassigned);(unassigned);(unassigned);(unassigned);instr.background)

oDE

⁽ⁿ⁾ Offset from reference star (Note 9) ((unassigned);(unassigned);(unassigned);(unassigned);instr.background)

Vno

⁽ⁿ⁾ [1] Version of WGACAT ((unassigned);(unassigned);(unassigned);pos.eq.dec)

MPEname

(char)

Name in MPE catalog IX/11 ((unassigned);(unassigned);(unassigned);spect.line.veloc)

MPEflag

⁽ⁿ⁾ [1,2] Comparison with MPE IX/11 (Note 10) ((unassigned);(unassigned);(unassigned);pos.eq.dec)

MPEcount

ct/s

⁽ⁿ⁾ Count from MPE ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))

e_MPEcount

ct/s

⁽ⁿ⁾ Mean error on MPEcount ((unassigned);(unassigned);(unassigned);time.age;meta.main)

NH21cm

cm-2

⁽ⁿ⁾ 21cm number of H from Starke et al. ((unassigned);(unassigned);(unassigned);spect.line.veloc)

B-V

mag

⁽ⁿ⁾ B-V colour ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))

Ori

[1,2] 1 for WGACAT (old), 2 for WGACAT2 (new) ((unassigned);(unassigned);(unassigned);pos.eq.dec)

HEASARC

Find the related data products available at HEASARC ((unassigned);(unassigned);(unassigned);pos.geocentric) (DATA_LINK)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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