Astronet Астронет: Астрономическая картинка дня Головная ударная волна в системе BZ Cam
http://variable-stars.ru/db/msg/1162284/eng
BZ Cam Bow Shock
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BZ Cam Bow Shock
Credit & Copyright: R. Casalegno, C. Conselice et al., WIYN, NOAO, MURST, NSF
Explanation: BZ Cam is a binary star system that is not well understood. In most cataclysmic variables, matter from a normal star accumulates on the surface of the companion white dwarf star, eventually causing a nova-like flare as the material becomes hot enough to ignite nuclear fusion. In BZ Cam, however, light appears to flicker unpredictably, and an unusually large wind of particles is being expelled. Pictured above, BZ Cam's wind creates a large bow-shock as the system moves through surrounding interstellar gas. BZ Cam lies about 2500 light-years away toward the constellation of Camelopardalis.

Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

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Based on Astronomy Picture Of the Day

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