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The Discovery of a Giant Stellar Tidal Stream Around NGC 4013

David Martínez-Delgado ( IACMPIA ),  Michael Pohlen ( Cardiff ),  R. Jay GaBany ( Blackbird Observatory ),  Steven R. Majewski ( Univ. Virginia ),  Jorge Peñarrubia ( Univ.Victoria ),  Chris Palma ( Penn State )

This animation* simulates the decaying orbit of a small satellite galaxy that resulted in the tidal stream surrounding NGC 4013.

Click here to download complete PDF documentation.

*The animation is based on a paper entitled "A Comprehensive Model for the Monoceros Tidal Stream" (Peñarrubia, J.;Martínez-Delgado, D.; Rix, H. W.; Gomez-Flechoso, M. A.; Munn, J.; Newberg, H.; Bell, E. F.; Yanny, B.; Zucker, D.; Grebel, E. K.; 2005, ApJ,626,128).

Image copyright ©2008 Jorge Peñarrubia ( University Vitoria ).

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