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VizieR

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J/AJ/141/129/table6 Chandra Transmission Grating Data Catalog (Huenemoerder+, 2011)
Observation catalog (1102 rows)
  recno=943
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ColumnValue  Explain   (UCD)
_RAJ200020 32 25.7592 "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+40 57 28.368 "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)
_RAB195020 30 37.5932 "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+40 47 13.159 "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)
_Glon079.8455456 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+00.7001863 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)
943recno 943  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Obsid 101  Chandra observation identifier (Note 1)   (meta.id;obs.param;obs)
ObjectCyg X-3 (4U 2030+40)  TGCat preferred object identifier (meta.id;meta.main)
SNameV* V1521 Cyg  SIMBAD primary object identifier (meta.id)
TypeHXB  SIMBAD object primary type (Note 2)   (src.class)
InstACIS  Chandra instrument designation (ACIS or HRC) (meta.id;instr)
GratingHETG  Chandra grating designation (HETG or LETG) (instr.setup)
RAJ2000308.10733 deg (i) Right ascension in degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.95788 deg (i) Declination in degrees (J2000) (pos.eq.dec;meta.main)
Obs1999-10-19T23:52:10 s Date of observation start (time.epoch)
Exp 4704.8 s Exposure time (time.duration;obs.exposure)
Methodfindzo  Zeroth order centroid position determination method: tgdetect, findzo or none (meta.note)
meg-rate 17.12810 ct/s MEG-band (1.7-25Å) count rate (Note 3)   (phot.count;em.X-ray)
e_meg-rate 0.09366 ct/s Error in meg-rate (Note 3)   (stat.error)
meg-flux 22.02260 10-7W/m2 MEG-band (1.7-25Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_meg-flux 0.17544 10-7W/m2 Error in meg-flux (Note 3)   (stat.error;phot.flux)
heg-rate 17.12550 ct/s HEG-band (1.7-15Å) count rate (Note 3)   (phot.count;em.X-ray)
e_heg-rate 0.09365 ct/s Error in heg-rate (Note 3)   (stat.error)
heg-flux 22.01920 10-7W/m2 HEG-band (1.7-15Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_heg-flux 0.17543 10-7W/m2 Error in heg-flux (Note 3)   (stat.error;phot.flux)
b-rate 15.86760 ct/s CSC b band (2.0-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_b-rate 0.09015 ct/s Error in b-rate (Note 3)   (stat.error)
b-flux 15.30710 10-7W/m2 CSC b band (2.0-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_b-flux 0.10346 10-7W/m2 Error in b-flux (Note 3)   (stat.error;phot.flux)
s-rate 0.01537 ct/s CSC s band (10.33-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_s-rate 0.00281 ct/s Error in s-rate (Note 3)   (stat.error)
s-flux 0.00678 10-7W/m2 CSC s band (10.33-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_s-flux 0.00220 10-7W/m2 Error in s-flux (Note 3)   (stat.error;phot.flux)
m-rate 1.96418 ct/s CSC m band (6.2-10.33Å) count rate (Note 3)   (phot.count;em.X-ray)
e_m-rate 0.03172 ct/s Error in m-rate (Note 3)   (stat.error)
m-flux 0.32953 10-7W/m2 CSC m band (6.2-10.33Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_m-flux 0.00538 10-7W/m2 Error oin m-flux (Note 3)   (stat.error;phot.flux)
h-rate 13.88810 ct/s CSC h band (2.0-6.2Å) count rate (Note 3)   (phot.count;em.X-ray)
e_h-rate 0.08434 ct/s Error in h-rate (Note 3)   (stat.error)
h-flux 14.97080 10-7W/m2 CSC h band (2.0-6.2Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_h-flux 0.10330 10-7W/m2 Error in h-flux (Note 3)   (stat.error;phot.flux)
  
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