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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=942
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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)
942recno 942  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Obsid 425  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)
Obs2000-04-04T13:49:31 s Date of observation start (time.epoch)
Exp 18543.4 s Exposure time (time.duration;obs.exposure)
Methodfindzo  Zeroth order centroid position determination method: tgdetect, findzo or none (meta.note)
meg-rate 43.41630 ct/s MEG-band (1.7-25Å) count rate (Note 3)   (phot.count;em.X-ray)
e_meg-rate 0.04840 ct/s Error in meg-rate (Note 3)   (stat.error)
meg-flux 53.07690 10-7W/m2 MEG-band (1.7-25Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_meg-flux 0.08335 10-7W/m2 Error in meg-flux (Note 3)   (stat.error;phot.flux)
heg-rate 43.41230 ct/s HEG-band (1.7-15Å) count rate (Note 3)   (phot.count;em.X-ray)
e_heg-rate 0.04840 ct/s Error in heg-rate (Note 3)   (stat.error)
heg-flux 53.07140 10-7W/m2 HEG-band (1.7-15Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_heg-flux 0.08335 10-7W/m2 Error in heg-flux (Note 3)   (stat.error;phot.flux)
b-rate 41.31410 ct/s CSC b band (2.0-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_b-rate 0.04721 ct/s Error in b-rate (Note 3)   (stat.error)
b-flux 41.59030 10-7W/m2 CSC b band (2.0-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_b-flux 0.05454 10-7W/m2 Error in b-flux (Note 3)   (stat.error;phot.flux)
s-rate 0.01645 ct/s CSC s band (10.33-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_s-rate 0.00094 ct/s Error in s-rate (Note 3)   (stat.error)
s-flux 0.01009 10-7W/m2 CSC s band (10.33-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_s-flux 0.00080 10-7W/m2 Error in s-flux (Note 3)   (stat.error;phot.flux)
m-rate 3.08776 ct/s CSC m band (6.2-10.33Å) count rate (Note 3)   (phot.count;em.X-ray)
e_m-rate 0.01291 ct/s Error in m-rate (Note 3)   (stat.error)
m-flux 0.55570 10-7W/m2 CSC m band (6.2-10.33Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_m-flux 0.00235 10-7W/m2 Error oin m-flux (Note 3)   (stat.error;phot.flux)
h-rate 38.20990 ct/s CSC h band (2.0-6.2Å) count rate (Note 3)   (phot.count;em.X-ray)
e_h-rate 0.04540 ct/s Error in h-rate (Note 3)   (stat.error)
h-flux 41.02450 10-7W/m2 CSC h band (2.0-6.2Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_h-flux 0.05449 10-7W/m2 Error in h-flux (Note 3)   (stat.error;phot.flux)
  
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