VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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IX/10A/1rxs ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)
The 1RXS catalogue (18806 rows)
  1RXS===J043138.4-050457
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ColumnValue  Explain   (UCD)
_RAJ200004 31 38.4000 "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)
_DEJ2000-05 04 57.504 "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)
_RAB195004 29 10.2027 "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)
_DEB1950-05 11 19.380 "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)
_Glon200.4092061 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-33.2453422 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)
3555recno 3555  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ043138.4-050457  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000067.91000 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-05.08264 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr14 arcsec Total positional error (including 6" systematic error) (stat.error)
ScrFlags_____   [T_] screening flags (Note 2)   (meta.code)
NewFlag__..   [T._] 'new data' flags (Note 3)   (meta.code)
Count 6.20e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.58e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.74e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 340 s Exposure time (time.duration;obs.exposure)
HR1 0.77   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.21   Error on HR1 (Note 6)   (stat.error)
HR2 0.59   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.23   Error on HR2 (Note 6)   (stat.error)
Extent 0 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent    Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 29   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags111100   [01] priority flags (Note 8)   (meta.code.error)
PHAb   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.73   Vignetting factor (arith.factor)
IncDate1996-06-14 "Y:M:D" Date when source was included (Note 10)   (time.epoch)
UpdDate  "Y:M:D" Date when source properties changed (Note 11)   (time.epoch)
Ncand 16  Number of identification candidates in the correlation catalogue (meta.number)
SASS33018013  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0096  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id;obs.field)
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IX/10A/1rxs_cor ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)
1RXS Correlation entries (18806 rows)
  1RXS===J043138.4-050457
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200004 31 38.400 "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)
_DEJ2000-05 04 57.36 "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)
_RAB195004 29 10.203 "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)
_DEB1950-05 11 19.24 "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)
_Glon200.409164 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-33.245323 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)
3555recno 3555  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ043138.4-050457  (i) 1RXS name (meta.id;meta.main)
RAJ2000067.9100 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-05.0826 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr14 arcsec Total positional error (stat.error)
Nid 16  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh 0.517 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON200.4102 deg Galactic longitude (pos.galactic.lon)
GLAT-33.2453 deg Galactic latitude (pos.galactic.lat)
HR1 0.77  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.21  rms uncertainty on HR1 (stat.error)
HR2 0.58  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.23  rms uncertainty on HR2 (stat.error)
Extent 0  Source extent (phys.angSize)
L_Extent 0  Likelihood of source extent (stat.likelihood)
Ldetect 29  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 340 s Exposure time (time.duration;obs.exposure)
Count 6.2e-02 ct/s Source count rate (phot.count;em.X-ray)
e_Count 1.6e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 1.85e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 7.68e-13 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1990-08-15 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.70 d First date of observation (day fraction) (time.epoch)
endDate1990-08-17 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.30 d Last date of observation (day fraction) (time.epoch)
IncDate1996-06-14 "Y:M:D" Date when source was included (time.epoch)
UpdDate  "Y:M:D" Date when source properties changed (time.epoch)
  
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Rules of usage of VizieR data

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