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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=941
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ColumnValue  Explain   (UCD)
_RAJ200020 32 25.7664 "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 27.900 "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 37.6001 "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 12.690 "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)
_Glon079.8454544 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+00.7000910 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)
941recno 941  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Obsid 426  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)
RAJ2000308.10736 deg (i) Right ascension in degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.95775 deg (i) Declination in degrees (J2000) (pos.eq.dec;meta.main)
Obs2000-04-06T20:01:20 s Date of observation start (time.epoch)
Exp 15685.0 s Exposure time (time.duration;obs.exposure)
Methodfindzo  Zeroth order centroid position determination method: tgdetect, findzo or none (meta.note)
meg-rate 33.91410 ct/s MEG-band (1.7-25Å) count rate (Note 3)   (phot.count;em.X-ray)
e_meg-rate 0.04650 ct/s Error in meg-rate (Note 3)   (stat.error)
meg-flux 45.16420 10-7W/m2 MEG-band (1.7-25Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_meg-flux 0.08629 10-7W/m2 Error in meg-flux (Note 3)   (stat.error;phot.flux)
heg-rate 33.91170 ct/s HEG-band (1.7-15Å) count rate (Note 3)   (phot.count;em.X-ray)
e_heg-rate 0.04650 ct/s Error in heg-rate (Note 3)   (stat.error)
heg-flux 45.16130 10-7W/m2 HEG-band (1.7-15Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_heg-flux 0.08629 10-7W/m2 Error in heg-flux (Note 3)   (stat.error;phot.flux)
b-rate 31.96060 ct/s CSC b band (2.0-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_b-rate 0.04515 ct/s Error in b-rate (Note 3)   (stat.error)
b-flux 34.45530 10-7W/m2 CSC b band (2.0-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_b-flux 0.05500 10-7W/m2 Error in b-flux (Note 3)   (stat.error;phot.flux)
s-rate 0.00861 ct/s CSC s band (10.33-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_s-rate 0.00074 ct/s Error in s-rate (Note 3)   (stat.error)
s-flux 0.00552 10-7W/m2 CSC s band (10.33-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_s-flux 0.00061 10-7W/m2 Error in s-flux (Note 3)   (stat.error;phot.flux)
m-rate 1.21020 ct/s CSC m band (6.2-10.33Å) count rate (Note 3)   (phot.count;em.X-ray)
e_m-rate 0.00878 ct/s Error in m-rate (Note 3)   (stat.error)
m-flux 0.22035 10-7W/m2 CSC m band (6.2-10.33Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_m-flux 0.00162 10-7W/m2 Error oin m-flux (Note 3)   (stat.error;phot.flux)
h-rate 30.74180 ct/s CSC h band (2.0-6.2Å) count rate (Note 3)   (phot.count;em.X-ray)
e_h-rate 0.04428 ct/s Error in h-rate (Note 3)   (stat.error)
h-flux 34.22940 10-7W/m2 CSC h band (2.0-6.2Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_h-flux 0.05497 10-7W/m2 Error in h-flux (Note 3)   (stat.error;phot.flux)
  
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