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===J205353.7+442308
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ColumnValue  Explain   (UCD)
_RAJ200020 53 53.7000 "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+44 23 08.016 "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)
_RAB195020 52 07.3703 "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+44 11 41.515 "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)
_Glon084.9767037 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-00.2835261 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)
16545recno 16545  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ205353.7+442308  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000313.47375 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+44.38556 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 7 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 1.62e+00 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 7.51e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.11e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 298 s Exposure time (time.duration;obs.exposure)
HR1 0.27   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.04   Error on HR1 (Note 6)   (stat.error)
HR2 0.23   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.05   Error on HR2 (Note 6)   (stat.error)
Extent 22 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent 22   Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect1630   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags111111   [01] priority flags (Note 8)   (meta.code.error)
PHAb   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.70   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 17  Number of identification candidates in the correlation catalogue (meta.number)
SASS33009042  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0122  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===J205353.7+442308
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 53 53.712 "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+44 23 08.16 "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)
_RAB195020 52 07.382 "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+44 11 41.66 "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)
_Glon084.976757 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-00.283528 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)
16545recno 16545  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ205353.7+442308  (i) 1RXS name (meta.id;meta.main)
RAJ2000313.4738 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+44.3856 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr 7 arcsec Total positional error (stat.error)
Nid 17  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh11.679 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON 84.9777 deg Galactic longitude (pos.galactic.lon)
GLAT -0.2837 deg Galactic latitude (pos.galactic.lat)
HR1 0.27  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.04  rms uncertainty on HR1 (stat.error)
HR2 0.23  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.05  rms uncertainty on HR2 (stat.error)
Extent 22  Source extent (phys.angSize)
L_Extent 22  Likelihood of source extent (stat.likelihood)
Ldetect999  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 298 s Exposure time (time.duration;obs.exposure)
Count 1.6e+00 ct/s Source count rate (phot.count;em.X-ray)
e_Count 7.5e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 4.64e-10 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 1.58e-11 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1990-11-20 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.12 d First date of observation (day fraction) (time.epoch)
endDate1990-11-23 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.12 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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