VizieR

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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=939
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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 27.576 "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 37.6000 "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 12.366 "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)
_Glon079.8453820 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+00.7000376 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)
939recno 939  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Obsid 7268  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+40.95766 deg (i) Declination in degrees (J2000) (pos.eq.dec;meta.main)
Obs2006-01-25T14:22:54 s Date of observation start (time.epoch)
Exp 70713.4 s Exposure time (time.duration;obs.exposure)
Methodtgdetect  Zeroth order centroid position determination method: tgdetect, findzo or none (meta.note)
meg-rate 76.10440 ct/s MEG-band (1.7-25Å) count rate (Note 3)   (phot.count;em.X-ray)
e_meg-rate 0.03301 ct/s Error in meg-rate (Note 3)   (stat.error)
meg-flux 76.82315 10-7W/m2 MEG-band (1.7-25Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_meg-flux 0.04608 10-7W/m2 Error in meg-flux (Note 3)   (stat.error;phot.flux)
heg-rate 75.94873 ct/s HEG-band (1.7-15Å) count rate (Note 3)   (phot.count;em.X-ray)
e_heg-rate 0.03297 ct/s Error in heg-rate (Note 3)   (stat.error)
heg-flux 76.15306 10-7W/m2 HEG-band (1.7-15Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_heg-flux 0.04496 10-7W/m2 Error in heg-flux (Note 3)   (stat.error;phot.flux)
b-rate 73.63644 ct/s CSC b band (2.0-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_b-rate 0.03247 ct/s Error in b-rate (Note 3)   (stat.error)
b-flux 64.78189 10-7W/m2 CSC b band (2.0-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_b-flux 0.03459 10-7W/m2 Error in b-flux (Note 3)   (stat.error;phot.flux)
s-rate 0.39763 ct/s CSC s band (10.33-24.8Å) count rate (Note 3)   (phot.count;em.X-ray)
e_s-rate 0.00239 ct/s Error in s-rate (Note 3)   (stat.error)
s-flux 0.73638 10-7W/m2 CSC s band (10.33-24.8Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_s-flux 0.00997 10-7W/m2 Error in s-flux (Note 3)   (stat.error;phot.flux)
m-rate 9.33398 ct/s CSC m band (6.2-10.33Å) count rate (Note 3)   (phot.count;em.X-ray)
e_m-rate 0.01156 ct/s Error in m-rate (Note 3)   (stat.error)
m-flux 1.66304 10-7W/m2 CSC m band (6.2-10.33Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_m-flux 0.00209 10-7W/m2 Error oin m-flux (Note 3)   (stat.error;phot.flux)
h-rate 63.90484 ct/s CSC h band (2.0-6.2Å) count rate (Note 3)   (phot.count;em.X-ray)
e_h-rate 0.03025 ct/s Error in h-rate (Note 3)   (stat.error)
h-flux 62.38248 10-7W/m2 CSC h band (2.0-6.2Å) energy flux (Note 3)   (phot.flux;em.X-ray)
e_h-flux 0.03306 10-7W/m2 Error in h-flux (Note 3)   (stat.error;phot.flux)
  
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