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: http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Stelle/TpyxNova.html
Дата изменения: Tue Jan 30 20:35:03 2001 Дата индексирования: Sat Dec 22 08:37:58 2007 Кодировка: Поисковые слова: emission |
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September 18, 1997
Photo No.: STScI-PRC97-29
The prolific number of eruptions by the recurrent nova T Pyxidis has attracted the attention of many telescopes.
[LEFT]
The image on the left, taken by a ground-based telescope, shows shells of
gas around the star that were blown off during several eruptions.
[RIGHT]
Closer inspection by the Hubble Space Telescope (right-hand image), however,
reveals that the shells are not smooth at all. In fact, this high-resolution image
shows that the shells are actually more than 2,000 gaseous blobs packed into
an area that is 1 light-year across. Resembling shrapnel from a shotgun blast,
the blobs may have been produced by the nova explosion, the subsequent
expansion of gaseous debris, or collisions between fast-moving and slow-
moving gas from several eruptions. False color has been applied to this image
to enhance details in the blobs.
The ground-based image was taken Jan. 19, 1995 by the European Southern Observatory's New Technology Telescope in La Silla, Chile. The Hubble telescope picture is a compilation of data taken on Feb. 26, 1994, and June 16, Oct. 7, and Nov. 10, 1995, by the Wide Field and Planetary Camera 2.
T Pyxidis is 6,000 light-years away in the dim southern constellation Pyxis, the Mariner's Compass.
Credits: Mike Shara, Bob Williams, and David Zurek (Space Telescope Science Institute); Roberto Gilmozzi (European Southern Observatory); Dina Prialnik (Tel Aviv University); and NASA
Full Resolution Images:
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