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  Reduced co-added LETGS spectrum of Ark 564 (Ramirez, 2013)
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1.J/A+A/551/A95/spectrumLETGS (Low Energy Transmission Grating in Chandra, 0.07-0.2keV) 100ks spectrum of Ark 564 [spectrum] (X-ray spectrum) (1533 rows)

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ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  lambda 0.1nm [1.275/122.107] Wavelength (Å) (em.wl)
  e_lambda 0.1nm Error on lambda (stat.error)
  counts 10ct/s/nmCounts per seconds per spectral bin (1Å) (phot.count;em.X-ray)
  e_counts 10ct/s/nmErrors on counts (stat.error;phot.count)
  Mcounts 10ct/s/nmBest fit physical model (phot.count;em.X-ray)

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