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===J145431.4+183834
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ColumnValue  Explain   (UCD)
_RAJ200014 54 31.3992 "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+18 38 34.512 "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)
_RAB195014 52 13.1783 "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+18 50 43.133 "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)
_Glon022.7885233 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+60.4972243 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)
12386recno 12386  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ145431.4+183834  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000223.63083 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+18.64292 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr12 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 4.95e-01 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 3.89e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.35e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 395 s Exposure time (time.duration;obs.exposure)
HR1 0.50   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.07   Error on HR1 (Note 6)   (stat.error)
HR2 0.37   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.09   Error on HR2 (Note 6)   (stat.error)
Extent 68 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent 71   Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 308   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 0.73   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 40  Number of identification candidates in the correlation catalogue (meta.number)
SASS33014040  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0037  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===J145431.4+183834
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 54 31.392 "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+18 38 34.44 "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)
_RAB195014 52 13.171 "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+18 50 43.06 "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)
_Glon022.788464 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+60.497243 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)
12386recno 12386  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ145431.4+183834  (i) 1RXS name (meta.id;meta.main)
RAJ2000223.6308 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+18.6429 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr12 arcsec Total positional error (stat.error)
Nid 40  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh 0.239 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON 22.7897 deg Galactic longitude (pos.galactic.lon)
GLAT 60.4972 deg Galactic latitude (pos.galactic.lat)
HR1 0.50  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.07  rms uncertainty on HR1 (stat.error)
HR2 0.37  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.09  rms uncertainty on HR2 (stat.error)
Extent 68  Source extent (phys.angSize)
L_Extent 71  Likelihood of source extent (stat.likelihood)
Ldetect308  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 395 s Exposure time (time.duration;obs.exposure)
Count 5.0e-01 ct/s Source count rate (phot.count;em.X-ray)
e_Count 3.9e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 8.93e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 5.42e-12 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1991-01-20 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.04 d First date of observation (day fraction) (time.epoch)
endDate1991-01-21 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.44 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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