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/12	2781		The WGACAT version of ROSAT sources (White+ 1995) ReadMe+ftp Similar Catalogs This catalogue is obsoleted by IX/31 Post annotation
1.	IX/12/wgacat		The catalogue (68907 rows) metaIX/12/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)

Name from this catalogue ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)

RAJ2000

deg

⁽ⁱ⁾ Right ascension of source (J2000) ((unassigned);pos.galactic.lon;arith.diff;(unassigned);arith)

DEJ2000

deg

⁽ⁱ⁾ Declination of source (J2000) ((unassigned);(unassigned);(unassigned);(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

Galactic Longitude (obs.field;meta.id.cross;(unassigned);(unassigned);meta.main)

GLAT

deg

Galactic Latitude (XXXXXXX)

Count

ct/s

Background subtracted count rate accumulated in PHA bins 24 to 224 (0.24-2.0keV) ((unassigned);phys.luminosity.fun;arith.factor;time.duration;(unassigned);(unassigned))

e_Count

ct/s

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

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))

ALL cols

⁽ⁱ⁾indexed column

VigFactor

Telescope vignetting correction (Note 1) ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic)

ErrorRad

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

BoxSize

Optimum source box size. ((unassigned);(unassigned);(unassigned);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);phys.veloc.orbital;arith.diff;(unassigned))

offset1

Offset of detected position from (RAc,DEc) ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)

RAt.deg

deg

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

DEt.deg

deg

Target declination (Note 3) ((unassigned);instr.det.psf;stat.min;(unassigned))

offset2

Offset of detected position from (RAt,DEt) ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)

OBJECT

(char)

Original field name as found in event list ((unassigned);(unassigned);(unassigned);time.lifetime)

ROR

[100000/901000] number of unique sequences ((unassigned);(unassigned);(unassigned);spect.line.veloc)

StartDay

Starting day of observation ("DDD" in 001-366 range) ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)

EndDay

Ending day of observation ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)

ALL cols

⁽ⁱ⁾indexed column

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);phys.veloc.orbital;arith.diff;spect.line.veloc)

ImageFile

(char)

FITS image file name ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)

EventFile

(char)

Event file name ((unassigned);(unassigned);(unassigned);spect.line.veloc;pos.wcs.naxis)

SourceID

(char)

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

PrBkg

Probability that the detection is a background fluctuation ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)

SNR

The signal to noise ratio of the source ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)

Qual

[1/10] Quality flag from bad to good (Note 6) ((unassigned);(unassigned);(unassigned);pos.cartesian)

Region

(char)

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

Zoom

Rebinning factor of the image ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic)

Bgnd

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

ExpTime

s

Exposure time of the field ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);meta.main)

SR1

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

ALL cols

⁽ⁱ⁾indexed column

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);(unassigned);(unassigned);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);(unassigned);(unassigned);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;meta.main)

Count1

ct

Low band (11-39=0.1-0.4keV) counts ((unassigned);(unassigned);(unassigned);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);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))

e_Count2

ct

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

ALL cols

⁽ⁱ⁾indexed column

Count3

ct

High band (86-200=0.92.0keV) counts ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))

e_Count3

ct

Mean error on Count3 ((unassigned);(unassigned);(unassigned);time.age;meta.main)

Chi2

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

XidFlag

[1] 1 if id with pre-Rosat X-ray source ((unassigned);(unassigned);(unassigned);pos.eq.dec)

Xid1

(char)

First name of X-ray identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc)

Xid2

(char)

2nd name of X-ray identifier ((unassigned);stat.error;arith.factor;spect.line.veloc)

Xid3

(char)

3rd name of X-ray identifier (phot.color;em.radio.400-750MHz;arith.factor;spect.line.veloc)

IPCcount

ct/s

Count rate detected by the Einstein IPC. ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))

e_IPCcount

ct/s

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

IPC/PSPC

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

e_IPC/PSPC

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

OIdFlag

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

OId1

(char)

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

ALL cols

⁽ⁱ⁾indexed column

OId2

(char)

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

Vmag

mag

V magnitude of any optical counterpart ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

Fx/Fo

X-ray over optical flux ratio ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)

AoX

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

z

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

Class

(char)

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

RIdFlag

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

RId1

(char)

First name of radio source (time.expo;phys.recombination.coeff;arith.grad;spect.line.veloc)

RId2

(char)

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

IRAS

(char)

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

ALL cols

⁽ⁱ⁾indexed column

IdCat

(char)

[HIC ] Catalog used for optical position (Note 9) ((unassigned);(unassigned);(unassigned);spect.line.veloc;pos.wcs.crpix)

IDoffset

Offset of Id star from ROSAT position ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)

oRA

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

oDE

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

WGAversion

[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

[1,3] Comparison with MPE IX/11 (Note 10) ((unassigned);(unassigned);(unassigned);pos.eq.dec)

MPEcount

ct/s

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

e_MPEcount

ct/s

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

NH21cm

cm-2

21cm number of H from Starke et al. ((unassigned);(unassigned);(unassigned);(unassigned))

B-V

mag

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

ALL cols

⁽ⁱ⁾indexed column

Adapt form	Display your selection only	Reset to default columns
	Display UCD1+ UCD1

The following problems were encountered in this VizieR run:

****Error execute query: UPDATE METAstat set nother=nother+1, tother=846586770 Where phase=3 and catid=9012
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****error getting UCD 1095216660480 1020

If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR3976017.err (2026-10-29T10:59:28)
-3
-source=IX/12
-ref=VIZ6ae327113cab51

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