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===J000316.8-275627
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ColumnValue  Explain   (UCD)
_RAJ200000 03 16.8000 "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)
_DEJ2000-27 56 27.492 "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 43.3389 "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)
_DEB1950-28 13 09.672 "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)
_Glon025.8035714 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-79.2976812 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)
44recno 44  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000316.8-275627  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000000.82000 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-27.94097 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 1.13e-01 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 2.19e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.14e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 315 s Exposure time (time.duration;obs.exposure)
HR1-0.43   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.17   Error on HR1 (Note 6)   (stat.error)
HR2-0.24   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.38   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 50   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 0.74   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 8  Number of identification candidates in the correlation catalogue (meta.number)
SASS33022001  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0073  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===J000316.8-275627
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 03 16.800 "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)
_DEJ2000-27 56 27.60 "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 43.339 "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)
_DEB1950-28 13 09.78 "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)
_Glon025.803410 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-79.297680 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)
44recno 44  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000316.8-275627  (i) 1RXS name (meta.id;meta.main)
RAJ2000000.8200 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-27.9410 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr12 arcsec Total positional error (stat.error)
Nid 8  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh 0.146 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON 25.8035 deg Galactic longitude (pos.galactic.lon)
GLAT-79.2978 deg Galactic latitude (pos.galactic.lat)
HR1-0.43  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.17  rms uncertainty on HR1 (stat.error)
HR2-0.24  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.38  rms uncertainty on HR2 (stat.error)
Extent 0  Source extent (phys.angSize)
L_Extent 0  Likelihood of source extent (stat.likelihood)
Ldetect 50  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 315 s Exposure time (time.duration;obs.exposure)
Count 1.1e-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 1.48e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 6.83e-13 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1990-12-01 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.68 d First date of observation (day fraction) (time.epoch)
endDate1990-12-03 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.42 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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