A Common Origin for Cosmic Explosions

Image
Minimum credit line: Image courtesy of NRAO/AUI and Dana Berry, SkyWorks Digital(for details, see Image Use Policy).

About this Image

Artist's conception of the nearby gamma-ray burst of 29 March 2003 localized by NASA's HETE-2 satellite. Radio observations made with the Very Large Array, as well as the Australia Telescope Compact Array and the Ryle Telescope, have been combined with optical and X-ray data to show that this cosmic explosion had a nested jet structure (shown in the figure). The thin core of the jet produced weak gamma-rays while the thicker envelope produced copious radio waves. This information reveals that different types of cosmic explosions (gamma-ray bursts, X-ray flashes, and some type of supernovae) have the same amount of total energy and therefore share a common origin. In effect, different cosmic explosions are "beasts with different faces but the same body".

Investigator(s):  Edo Berger, et al.

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Technical Data

    Telescope VLA 
    Date of Observation 2003-06-04 
    Type of Observation Continuum Observations 
    Band X 
    Wavelength 3.6 cm 
    Frequency 8.4 GHz 
    Center of Image RA: 10:44:50.00, Dec: 21:31:17.80 (J2000)  
    Field of View 0.0833 x 0.0833 degrees  

  • Astronomical database entries for GRB030329
    • Query NED for images of GRB030329
    • Query SIMBAD for more GRB030329 data

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