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===J053850.2-440504
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ColumnValue  Explain   (UCD)
_RAJ200005 38 50.2008 "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)
_DEJ2000-44 05 04.020 "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)
_RAB195005 37 20.8994 "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)
_DEB1950-44 06 39.753 "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)
_Glon250.0811150 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-31.0899085 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)
4766recno 4766  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ053850.2-440504  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000084.70917 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-44.08445 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 8 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 1.78e-01 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.68e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 9.68e-04 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 729 s Exposure time (time.duration;obs.exposure)
HR1 0.34   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.09   Error on HR1 (Note 6)   (stat.error)
HR2 0.17   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.11   Error on HR2 (Note 6)   (stat.error)
Extent 12 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 273   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 0.72   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 10  Number of identification candidates in the correlation catalogue (meta.number)
SASS33025012  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL0129  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===J053850.2-440504
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200005 38 50.208 "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)
_DEJ2000-44 05 03.84 "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)
_RAB195005 37 20.906 "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)
_DEB1950-44 06 39.57 "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)
_Glon250.081061 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-31.089879 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)
4766recno 4766  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ053850.2-440504  (i) 1RXS name (meta.id;meta.main)
RAJ2000084.7092 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-44.0844 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
PosErr 8 arcsec Total positional error (stat.error)
Nid 10  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh 0.411 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON250.0820 deg Galactic longitude (pos.galactic.lon)
GLAT-31.0897 deg Galactic latitude (pos.galactic.lat)
HR1 0.34  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.09  rms uncertainty on HR1 (stat.error)
HR2 0.17  Hardness ratio 2 (phot.flux;arith.ratio)
e_HR2 0.11  rms uncertainty on HR2 (stat.error)
Extent 12  Source extent (phys.angSize)
L_Extent 1  Likelihood of source extent (stat.likelihood)
Ldetect273  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 729 s Exposure time (time.duration;obs.exposure)
Count 1.8e-01 ct/s Source count rate (phot.count;em.X-ray)
e_Count 1.7e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 4.61e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 1.80e-12 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1990-08-30 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.44 d First date of observation (day fraction) (time.epoch)
endDate1990-09-03 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.51 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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