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Space Telescopes Image Supernova in M82
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Space Telescopes Image Supernova in M82

by AstroAggregatorMarch 4, 2014

In January a new supernova was spotted in the M82 galaxy – dubbed SN2014J is one of the closest supernovae to occur in the last couple of decades while active observation has been in effect. It is though to be a type Ia Supernova, formed when one of a pair of stars collapses into a white dwarf star which then accumulates material from its partner until enough materials has passed to the dwarf star for it to collapse in on itself – SN2014J is the closest type Ia supernova to occur since SN1972E whose observation forms much of the basis of understanding of type Ia supernovae.

NASA’s Spitzer infrared spectrum telescope took the main image on this article, comparing previous observation from 2005 to recent observations in the early-to-middle part of last month – although SN2014J peaked in intensity around January 31st.

Hubble-M82SN

Hubble image of M82 with detail of SN2014J – visible light spectrum.

 

Hubble also managed to get this snapshot of the new supernova, imaging M82 and SN2014J in the visible spectrum proving why Spitzer is such a great instrument with the view of M82 obscured by large wide bands of interstellar dust. Unfortunately this dust reduces the brightness of SN2014J by up to a point of magnitude so further observations are unlikely to be too helpful in defining the behaviour of Type 1a novae – but archive images from Hubble are being searched to see exactly what kind of stars formed SN2014J.

Images: NASA/JPL SST,HST.

 

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Chandra unravels the origin of Kepler’s Supernova
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Chandra unravels the origin of Kepler’s Supernova

by AstroAggregatorApril 24, 2013

X-ray data from the Chandra observatory has shed new light on the origin of “Kepler’s Supernova”, first seen in 1604 by Johannes Kepler himself.

(more…)

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Chandra finds what might be the youngest black hole in our galaxy
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Chandra finds what might be the youngest black hole in our galaxy

by AstroAggregatorFebruary 20, 2013

A new study out of MIT using data from the Chandra X-Ray observatory might have found the youngest black hole in our galaxy at around 26,000 years old.

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