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Back PACS spectrum of the active galaxy Mrk 231

PACS spectrum of the active galaxy Mrk 231


Date: 26 November 2009
Satellite: Herschel
Copyright: ESA and the PACS consortium; background image: NASA, ESA, the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University)

This is one of the early spectra obtained with the PACS integral field spectrometer on Herschel. Shown here is a spectral scan of one of the emission lines detected by PACS in the Ultraluminous Infrared Galaxy (ULIRG) known as Markarian 231.
Last Update: 1 September 2019
11-Mar-2026 07:29 UT

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