Hubble image archive
Markarian 817 COS Spectrum
Comparison of Markarian 817 spectra taken with the COS detector in 2009 and GHRS detector in 1997 CreditsNASA, ESA, and the Hubble SM4 ERO Team
- Date
- Jan 1, 2009
- Mission
- Hubble Space Telescope
- Archive ID
- hubblesite-images-2009-25-2613-image
Comparison of Markarian 817 spectra taken with the COS detector in 2009 and GHRS detector in 1997
Credits
NASA, ESA, and the Hubble SM4 ERO TeamImage Details
| About The Object | |
|---|---|
| Object Name | Markarian 817, Mrk 817, QSO J1436+5847 |
| Object Description | Active Galaxy |
| Constellation | Draco |
| Distance | 430 million light-years (132 million parsecs) |
| About The Data | |
| Data Description | The Hubble images/spectrum were created from data from proposal : K. Noll (STScI) and J. Green, C. Froning, and B. Keeney (University of Colorado, Boulder). Acknowledgments for Markarian 817 Observers: K. Noll (STScI) and J. Green, C. Froning, and B. Keeney (University of Colorado, Boulder) Data Analysis: J. Anderson and M. Mutchler (STScI), and C. Froning and J. Green (University of Colorado, Boulder) Image Composition: Z. Levay and L. Frattare (STScI) Text: L. Frattare, D. Weaver and R. Villard (STScI) Illustrations: A. Feild and Z. Levay (STScI) Video Animation: G. Bacon (STScI) Science Consultants: M. Livio (STScI) and C. Froning and J. Green (University of Colorado, Boulder) |
| Instrument | HST>COS/FUV |
| Exposure Dates | August 4, 2009, Exposure Time: 1.0 hour |
| Filters | G130M (130nm) and G160M (160nm) |
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Image and source material are credited to the official mission archive linked below.
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