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IX/10A/1rxs ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)
The 1RXS catalogue (18806 rows)
  1RXS==J004251.5+413056
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ColumnValue  Explain   (UCD)
_RAJ200000 42 51.50 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+41 30 56.0 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 40 07.14 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+41 14 30.6 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon121.2079 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-21.3275 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
614recno 614  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ004251.5+413056  ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
n_1RXS    [*] Names modified from previous version (meta.note)
RAJ2000010.71458 deg Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+41.51556 deg 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 5.06e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.25e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 9.79e-04 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background)
ExpTime 471 s Exposure time (time.duration;obs.exposure)
HR1 1.00   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.20   Error on HR1 (Note 6)   (stat.error)
HR2 0.22   [-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 33   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags111100   [01] priority flags (Note 8)   (meta.code.error)
PHAb   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.73   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)
Ncand230  Number of identification candidates in the correlation catalogue (meta.number)
SASS33010002  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==J004251.5+413056
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 42 51.5 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+41 30 56 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 40 07.1 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+41 14 31 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon121.2080 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-21.3274 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
614recno 614  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ004251.5+413056  1RXS name (meta.id;meta.main)
RAJ2000010.7146 deg Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+41.5156 deg Declination (J2000) (pos.eq.dec;meta.main)
PosErr12 arcsec Total positional error (stat.error)
Nid230  Number of correlated sources (meta.number)
bandPosx   [x] origin of the source position (always x: X-ray) (instr.bandwidth)
gal_Nh 0.732 10+21cm-2 Galactic HI column density (in 1021atoms/cm2) (phys.columnDensity;pos.galactic)
GLON121.2089 deg Galactic longitude (pos.galactic.lon)
GLAT-21.3276 deg Galactic latitude (pos.galactic.lat)
HR1 1.00  Hardness ratio 1 (phot.flux;arith.ratio)
e_HR1 0.20  rms uncertainty on HR1 (stat.error)
HR2 0.22  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 33  Likelihood of source detection algorithm (stat.likelihood)
ExpTime 471 s Exposure time (time.duration;obs.exposure)
Count 5.1e-02 ct/s Source count rate (phot.count;em.X-ray)
e_Count 1.3e-02 ct/s rms uncertainty on Count (stat.error;phot.count)
Flux1 1.81e-12 mW/m2 X-ray flux 1 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
Flux2 6.89e-13 mW/m2 X-ray flux 2 in 0.1-2.4keV energy range (phot.flux;em.X-ray)
begDate1991-01-10 "Y:M:D" First date of observation (time.epoch;obs)
begDate.f 0.32 d First date of observation (day fraction) (time.epoch)
endDate1991-01-12 "Y:M:D" Last date of observation (time.epoch;obs)
endDate.f 0.05 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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