Weak Hard X-Ray Emission from Two Broad Absorption Line Quasars Observed with NuSTAR: Compton-thick Absorption or Intrinsic X-Ray Weakness?, Luo, B.,Brandt, W. N.,Alexander, D. M., The Astrophysical Journal, 772, 2013-08-01 00:00:00, 2013ApJ...772..153L
Instrument
HRS, HRS/2
Temporal Coverage
1993-02-08T23:24:30Z/1993-02-09T07:34:27Z
Version
1.0
Mission Description
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
European Space Agency, 1994, The Absorption Cross-Sections Of Nearby Galaxies--- Repeat For Hopr#58, 1.0, European Space Agency, https://doi.org/10.5270/esa-v9ng4ms