Discovery of a new population of high-energy γ-ray sources in the Milky Way View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2000-03

AUTHORS

N. Gehrels, D. J. Macomb, D. L. Bertsch, D. J. Thompson, R. C. Hartman

ABSTRACT

One of the great mysteries of the high-energy gamma-ray sky is the group of approximately 170 unidentified point sources found along the Galactic plane. They are more numerous than all other high-energy gamma-ray sources combined and, despite 20 years of effort, no clear counterparts have been found at other wavelengths. Here we report a new population of such objects. A cluster of approximately 20 faint sources appears north of the Galactic Centre, which is part of a broader class of faint objects at mid-latitudes. In addition, we show in a model-independent way that the mid-latitude sources are distinct from the population of bright unidentified sources along the Galactic plane. The distribution on the sky indicates that the faint mid-latitude sources are associated with the Gould belt of massive stars and gas clouds at approximately 600 light years distance, as has been previously suggested. More... »

PAGES

363

Journal

TITLE

Nature

ISSUE

6776

VOLUME

404

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/35006001

DOI

http://dx.doi.org/10.1038/35006001

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1018050616

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/10746716


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