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===J000044.6-255030
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ColumnValue  Explain   (UCD)
_RAJ200000 00 44.5992 "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)
_DEJ2000-25 50 30.516 "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 10.7502 "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 07 12.721 "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)
_Glon036.5402755 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-78.5887255 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)
12recno 12  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000044.6-255030  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000000.18583 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-25.84181 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 5.04e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.49e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.09e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 316 s Exposure time (time.duration;obs.exposure)
HR1-0.16   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.27   Error on HR1 (Note 6)   (stat.error)
HR2-0.09   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.41   Error on HR2 (Note 6)   (stat.error)
Extent 9 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 19   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags111010   [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 5  Number of identification candidates in the correlation catalogue (meta.number)
SASS33022001  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0024  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===J000044.6-255030
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 00 44.592 "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)
_DEJ2000-25 50 30.48 "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 10.743 "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 07 12.69 "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)
_Glon036.540303 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-78.588697 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)
12recno 12  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ000044.6-255030  (i) 1RXS name (meta.id;meta.main)
RAJ2000000.1858 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-25.8418 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr15 arcsec Total positional error (stat.error)
Nid 5  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 36.5405 deg Galactic longitude (pos.galactic.lon)
GLAT-78.5888 deg Galactic latitude (pos.galactic.lat)
HR1-0.16  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.27  rms uncertainty on HR1 (stat.error)
HR2-0.09  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.41  rms uncertainty on HR2 (stat.error)
Extent 9  Source extent (phys.angSize)
L_Extent 1  Likelihood of source extent (stat.likelihood)
Ldetect 19  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 316 s Exposure time (time.duration;obs.exposure)
Count 5.0e-02 ct/s Source count rate (phot.count;em.X-ray)
e_Count 1.5e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 7.04e-13 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 3.75e-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 0.15 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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