The Ultraviolet-Far Infrared Energy Budget of the Gravitationally Lensed Lyman Break Galaxy MS 1512-cB58

Details The Ultraviolet-Far Infrared Energy Budget of the Gravitationally Lensed Lyman Break Galaxy MS 1512-cB58 The Ultraviolet-Far Infrared Energy Budget of the Gravitationally Lensed Lyman Break Galaxy MS 1512-cB58

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.6504s&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #65.04; Bulletin of the American Astronomical Society, Vol. 32, p.1509

Astronomy and Astrophysics

Astronomy

Scientific paper

The z=2.72 Lyman break galaxy cB58 is gravitationally lensed and, unlike most Lyman break galaxies, is therefore accessible for very detailed study. Despite the lensing amplification of a factor of ~30, a 2.5 hour SCUBA 850um observation of cB58 yielded only an upper limit of 9 mJy (3 sigma). This upper limit is at odds with the value expected from measurements of dust absorption in the rest-UV, which predict a substantially higher flux density for reasonable dust temperatures. Potential explanations for this discrepancy are considered, together with its implications for our understanding of dust in high-z galaxies.

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