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VizieR

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IX/28A/hricat ROSAT HRI Pointed Observations (1RXH) (ROSAT Team, 2000)
ROSAT Source Catalog of Pointed Observations with the High Resolution Imager (1RXH) (108514 rows)
  recno=8855
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Note: The ``short'' version of the catalogue can be retrieved by a selecting     *+*     in the SEQflags column

ColumnValue  Explain   (UCD)
_RAJ200002 34 18.552 "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+89 15 29.16 "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)
_RAB195001 51 03.825 "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+89 01 27.42 "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)
_Glon123.291519 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+26.459385 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)
8855recno 8855  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqDetec1rh202532a01.002  Sequence Detection Name. (Note)   (meta.id;obs)
n_1RXH    Number of sources sharing a common 1RXH name (Note)   (meta.note)
1RXH1RXH J023418.5+891529  Name of catalogued detection (Note)   (meta.id;meta.main)
ErrPos 3 arcsec Total positional error (stat.error)
CRate 1.09e-03 ct/s Estimate of net count rate (phot.count;em.X-ray)
e_CRate 5.4e-04 ct/s Mean error on CRate (stat.error)
SNR 2.7  Signal-to-noise ratio (truncated at 999.9) (stat.snr)
offAxis 1 arcmin Off axis angle averaged over observation (instr.offset)
ExpTime 8783 s Exposure live time (time.duration;obs.exposure)
varFlagT   [NTP] Source variability (Note)   (meta.code;src.var)
SRCflags......_.n....   [.cdefiu_mnpavw] Source flags (Note)   (meta.code)
SEQflags......._   [.DABEFMS_+] Sequence flags (Note)   (meta.code)
ChkDate1999-10-01 "Y:M:D" Date of sequence and source checking (time.epoch)
ChkSiteMPE  Checker Site (MPE, AIP, GSFC or SAO) (meta.id;instr.obsty)
ChkNameOBER  Checker ID (obs.observer)
Comment   Source comment (meta.note)
begDate1997-03-27 "Y:M:D" Observation start date (time.epoch)
endDate1997-03-28 "Y:M:D" Observation finish date (time.epoch)
ObsIDWG202532H-1.N1  Observation Identification (meta.id;obs)
SiteMPE  Processing site (MPE or USRS) (meta.id;instr.obsty)
RAJ2000038.5773 deg (i) Source Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+89.2581 deg (i) Source Declination (J2000) (pos.eq.dec;meta.main)
Glon123.2915 deg Galactic Longitude (pos.galactic.lon)
Glat 26.4594 deg Galactic Latitude (pos.galactic.lat)
EPI 0.0   [0,0.5] Edge Proximity Indicator (Note)   (meta.code)
Xpos4038.4 pix Unblocked x source position (0.5arcsec/pixel) (pos.cartesian.x;instr.det)
Ypos4083.3 pix Unblocked y source position (0.5arcsec/pixel) (pos.cartesian.y;instr.det)
imXpox252.87 pix Blocked x source position (8arcsec/pixel) (pos.cartesian;instr.det)
imYpox255.67 pix Blocked y source position (8arcsec/pixel) (pos.cartesian;instr.det)
lev1_X4037.9 pix SASS level 1 x coordinate (0.5arcsec/pixel) (pos.cartesian;instr.det)
lev1_Y4109.2 pix SASS level 1 y coordinate (0.5arcsec/pixel) (pos.cartesian;instr.det)
cirRadius 20.1 arcsec Radius of source circle for source intensity measurement (phys.angSize;src)
totCounts 23 ct Total (source + background) counts within cirRadius (phot.count;em.X-ray)
e_totCounts 5 ct Mean error on totCounts (stat.error)
bkgCounts 13 ct Background counts inside cirRadius (phot.count;em.X-ray)
QE 0.973  1keV Quantum Efficiency which has been used to derive CRate (instr.det.qe)
vig 1.001  1keV vignetting correction for source which has been used to derive CRate (instr.param)
csc 1.011  1keV scattering correction for source which has been used to derive CRate (instr.param)
Xsize 12 arcsec X source detect cell size (instr.fov;instr.pixel)
Ysize 12 arcsec Y source detect cell size (instr.fov;instr.pixel)
boxCounts 10 ct Total counts in detection box (phot.count;em.X-ray)
thrCounts 9 ct Threshold for detection at this location (instr.sensitivity)
unresPr 0.92   [0,1] Probability the source is unresolved (Note)   (stat.fit.goodness)
XposEC4040.0 pix X position of extended circle (0.5arcsec/pix) (pos.cartesian.x;instr.det)
YposEC4085.0 pix Y position of extended circle (0.5arcsec/pix) (pos.cartesian.y;instr.det)
RadEC 7.2 arcsec Radius of the extended circle (phys.angSize;src)
SctEC 0.000  Extended circle scattering correction (truncated at 999.999) (instr.param)
CorEC 0.00  Extended circle size correction (truncated at 99999.99) (instr.param)
e_CorEC 0.00  Mean error on CorEC (stat.error)
  
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