Near infrared extragalactic background light and first stars

Details Near infrared extragalactic background light and first stars Near infrared extragalactic background light and first stars

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005asthe..98..710m&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 98, No. 11, p. 710 - 717 (2005)

Astronomy and Astrophysics

Astronomy

Infrared Background, Population Iii Stars

Scientific paper

Independent observations of COBE and IRTS delineate that the near infrared background light shows excess emission that can not be explained by the known sources, such as the zodiacal light and the integrated light of faint stars and galaxies. This emission could be the redshifted light of the first stars (pop. III stars) that re-ionized the Universe at z ~ 17 as found by WMAP. The excess emission has a large spatial fluctuation with an angular scale of a few degrees, but its origin is not known yet. The present status and issues of the observations, and the future observation plans are presented.

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