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Spectrum of Gas Disc in Active Galaxy M87

Spectrum of Gas Disc in Active Galaxy M87


Depicts: M87, NGC 4486, IRAS 12282+1240
Copyright: Holland Ford, Space Telescope Science Institute/Johns Hopkins University; Richard Harms, Applied Research Corp.; Zlatan Tsvetanov,Arthur Davidsen, and Gerard Kriss at Johns Hopkins; Ralph Bohlin and GeorgeHartig at Space Telescope Science Institute; Linda Dressel and Ajay K.Kochhar at Applied Research Corp. in Landover, Md.; and Bruce Margon fromthe University of Washington in Seattle NASA

A schematic diagram of velocity measurements of a rotating disk of hot gas in the core of active galaxy M87.

The measurement was made by studying how the light from the disk is redshifted and blueshifted -- as part of the swirling disk spins in earth's direction and the other side spins away from earth.

Last Update: 1 September 2019
4-Oct-2022 20:01 UT

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