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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=938
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ColumnValue  Explain   (UCD)
_RAJ200020 32 25.7736 "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 28.044 "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 37.6074 "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 12.834 "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)
_Glon079.8455001 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+00.7000964 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)
938recno 938  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Obsid 6601  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)
RAJ2000308.10739 deg (i) Right ascension in degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.95779 deg (i) Declination in degrees (J2000) (pos.eq.dec;meta.main)
Obs2006-01-26T15:10:37 s Date of observation start (time.epoch)
Exp 50267.8 s Exposure time (time.duration;obs.exposure)
Methodfindzo  Zeroth order centroid position determination method: tgdetect, findzo or none (meta.note)
meg-rate 53.97493 ct/s MEG-band (1.7-25Å) count rate (Note 3)   (phot.count;em.X-ray)
e_meg-rate 0.03314 ct/s Error in meg-rate (Note 3)   (stat.error)
meg-flux 56.65839 10-7W/m2 MEG-band (1.7-25Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_meg-flux 0.04810 10-7W/m2 Error in meg-flux (Note 3)   (stat.error;phot.flux)
heg-rate 53.97198 ct/s HEG-band (1.7-15Å) count rate (Note 3)   (phot.count;em.X-ray)
e_heg-rate 0.03313 ct/s Error in heg-rate (Note 3)   (stat.error)
heg-flux 56.64937 10-7W/m2 HEG-band (1.7-15Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_heg-flux 0.04809 10-7W/m2 Error in heg-flux (Note 3)   (stat.error;phot.flux)
b-rate 51.95705 ct/s CSC b band (2.0-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_b-rate 0.03251 ct/s Error in b-rate (Note 3)   (stat.error)
b-flux 46.54197 10-7W/m2 CSC b band (2.0-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_b-flux 0.03435 10-7W/m2 Error in b-flux (Note 3)   (stat.error;phot.flux)
s-rate 0.03017 ct/s CSC s band (10.33-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_s-rate 0.00078 ct/s Error in s-rate (Note 3)   (stat.error)
s-flux 0.01882 10-7W/m2 CSC s band (10.33-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_s-flux 0.00109 10-7W/m2 Error in s-flux (Note 3)   (stat.error;phot.flux)
m-rate 6.39158 ct/s CSC m band (6.2-10.33Å) count rate (Note 3)   (phot.count;em.X-ray)
e_m-rate 0.01140 ct/s Error in m-rate (Note 3)   (stat.error)
m-flux 1.14669 10-7W/m2 CSC m band (6.2-10.33Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_m-flux 0.00207 10-7W/m2 Error oin m-flux (Note 3)   (stat.error;phot.flux)
h-rate 45.53530 ct/s CSC h band (2.0-6.2Å) count rate (Note 3)   (phot.count;em.X-ray)
e_h-rate 0.03044 ct/s Error in h-rate (Note 3)   (stat.error)
h-flux 45.37647 10-7W/m2 CSC h band (2.0-6.2Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_h-flux 0.03427 10-7W/m2 Error in h-flux (Note 3)   (stat.error;phot.flux)
  
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