Markarian 817 COS Spectrum
Markarian 817 COS Spectrum
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News release ID: STScI-2009-25
Release Date: Sep 9, 2009
Image Use: Copyright
About this image

Comparison of Markarian 817 spectra taken with the COS detector in 2009 and GHRS detector in 1997


Tags
Active Galaxies/Quasars, Black Holes, Exotic, Galaxies, Hubble Telescope, Illustrations

Credits

Credit: NASA, ESA, and the Hubble SM4 ERO Team