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===J000254.5-260339
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ColumnValue  Explain   (UCD)
_RAJ200000 02 54.4992 "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 03 39.492 "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)
_RAB195000 00 20.9606 "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 20 21.676 "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)
_Glon035.8055994 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-79.1032095 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)
35recno 35  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000254.5-260339  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000000.72708 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-26.06097 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr10 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 1.33e-01 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 2.33e-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 314 s Exposure time (time.duration;obs.exposure)
HR1-0.37   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.15   Error on HR1 (Note 6)   (stat.error)
HR2 0.00   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.30   Error on HR2 (Note 6)   (stat.error)
Extent 11 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent 1   Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 71   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 0.75   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 15  Number of identification candidates in the correlation catalogue (meta.number)
SASS33022001  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0029  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===J000254.5-260339
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 02 54.504 "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 03 39.60 "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)
_RAB195000 00 20.965 "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 20 21.78 "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)
_Glon035.805456 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-79.103232 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)
35recno 35  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000254.5-260339  (i) 1RXS name (meta.id;meta.main)
RAJ2000000.7271 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-26.0610 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr10 arcsec Total positional error (stat.error)
Nid 15  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 35.8056 deg Galactic longitude (pos.galactic.lon)
GLAT-79.1033 deg Galactic latitude (pos.galactic.lat)
HR1-0.37  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.15  rms uncertainty on HR1 (stat.error)
HR2 0.00  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.30  rms uncertainty on HR2 (stat.error)
Extent 11  Source extent (phys.angSize)
L_Extent 1  Likelihood of source extent (stat.likelihood)
Ldetect 71  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 314 s Exposure time (time.duration;obs.exposure)
Count 1.3e-01 ct/s Source count rate (phot.count;em.X-ray)
e_Count 2.3e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 1.86e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 8.46e-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 0.55 d First date of observation (day fraction) (time.epoch)
endDate1990-12-04 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.15 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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