Media Information

 
 
 
Collection:
NASA Astronomy Picture of the Day Collection
Title:
Galaxy And Gamma-ray Burst
Explanation:
Gamma-ray bursts rule [ http://www.sciam.co…] the high-energy sky and Saturday another brief, intense flash of gamma-rays [ http://astro.caltec…] from the cosmos triggered space-based detectors. The orbiting Compton Observatory's BATSE instrument [ http://www.batse.ms…] quickly relayed the burst's approximate location to fast-slewing, ground-based cameras primed to search for an elusive optical flash. The result -- the GCN coordinated [ http://lheawww.gsfc…gcn_main.html ] ROTSE-I telephoto array [ http://www.umich.ed…] recorded a breakthrough detection only 22 seconds [ http://laastro.lanl…] after the burst trigger. Larger telescopes too captured the burster's optical counterpart and at right is an image identifying the candidate from the 60 inch Palomar reflector [ http://phobos.calte…public/images/p60.ht ml ]. At left is a prior sky survey image of the region which astonishingly shows a discernible smudge near the same position, likely the burster's host galaxy. The galaxy and bright burst suggest that this is the closest yet localized gamma-ray burst! Still, believed to be the most powerful explosions [ http://antwrp.gsfc.…] in the Universe, the source of the incredible energy of gamma-ray bursts remains a mystery.
Credit and Copyright:
Courtesy J.S. Bloom [ mailto:jsb@astro.cal tech.edu ] (Caltech [ http://phobos.calte…]-CARA-NRAO GRB Collaboration)
keyword:
galaxy
keyword:
gamma-ray burst
keyword:
optical transient
facet_where:
Goddard Space Flight Center (GSFC)
facet_where:
Washington, D.C.
facet_where:
Marshall Space Flight Center (MSFC)
facet_what:
FAST
facet_what:
Reflector
facet_what:
gamma-ray
original url:
UID:
SPD-APOD-ap990125

Galaxy And Gamma-ray Burst