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===J000044.2-260521
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ColumnValue  Explain   (UCD)
_RAJ200000 00 44.2008 "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)
_DEJ2000-26 05 21.516 "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)
_RAB195023 58 10.3500 "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)
_DEB1950-26 22 03.722 "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)
_Glon035.3005485 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-78.6245695 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)
11recno 11  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000044.2-260521  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000000.18417 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-26.08931 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr15 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 1.15e-01 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 2.23e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.10e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 315 s Exposure time (time.duration;obs.exposure)
HR1-0.11   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.18   Error on HR1 (Note 6)   (stat.error)
HR2 0.45   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.24   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 49   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 0.71   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 7  Number of identification candidates in the correlation catalogue (meta.number)
SASS33022001  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0031  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===J000044.2-260521
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 00 44.208 "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)
_DEJ2000-26 05 21.48 "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)
_RAB195023 58 10.357 "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)
_DEB1950-26 22 03.69 "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)
_Glon035.300618 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-78.624595 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)
11recno 11  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000044.2-260521  (i) 1RXS name (meta.id;meta.main)
RAJ2000000.1842 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-26.0893 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr15 arcsec Total positional error (stat.error)
Nid 7  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh 0.163 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON 35.3008 deg Galactic longitude (pos.galactic.lon)
GLAT-78.6247 deg Galactic latitude (pos.galactic.lat)
HR1-0.11  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.18  rms uncertainty on HR1 (stat.error)
HR2 0.45  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.24  rms uncertainty on HR2 (stat.error)
Extent 0  Source extent (phys.angSize)
L_Extent 0  Likelihood of source extent (stat.likelihood)
Ldetect 49  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 315 s Exposure time (time.duration;obs.exposure)
Count 1.2e-01 ct/s Source count rate (phot.count;em.X-ray)
e_Count 2.2e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 1.60e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 8.86e-13 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1990-12-02 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.08 d First date of observation (day fraction) (time.epoch)
endDate1990-12-03 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.62 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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