Hi My Friends: A VUELO DE UN QUINDE EL BLOG., observations with NASA's Chandra X-ray Observatory have provided the
first X-ray evidence of a supernova shock wave breaking through a cocoon
of gas surrounding the star that exploded. This discovery may help
astronomers understand why some supernovas are much more powerful than
others.
A Supernova Cocoon Breakthrough
Observations
with NASA's Chandra X-ray Observatory have provided the first X-ray
evidence of a supernova shock wave breaking through a cocoon of gas
surrounding the star that exploded. This discovery may help astronomers
understand why some supernovas are much more powerful than others.
On Nov. 3, 2010, a supernova was discovered in the galaxy UGC 5189A,
located about 160 million light years away. Using data from the All Sky
Automated Survey telescope in Hawaii taken earlier, astronomers
determined this supernova exploded in early October 2010 (in Earth's
time-frame).
This composite image of UGC 5189A shows X-ray data
from Chandra in purple and optical data from Hubble Space Telescope in
red, green and blue. SN 2010jl is the very bright X-ray source near the
top of the galaxy.
A team of researchers used Chandra to observe
this supernova in December 2010 and again in October 2011. The
supernova was one of the most luminous that has ever been detected in
X-rays.
The results of these observations were published in a
paper that appeared in the May 1, 2012 issue of The Astrophysical
Journal Letters.
Credits: X-ray: NASA/CXC/Royal Military College of Canada/P.Chandra et al); Optical: NASA/STScI
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com
ayabaca@hotmail.com
ayabaca@yahoo.com
Inscríbete en el Foro del blog y participa : A Vuelo De Un Quinde - El Foro!
No hay comentarios:
Publicar un comentario