Spectral energy distributions of submm/radio bright gamma-ray burst host galaxies

Michal Michalowski, Jens Hjorth

Research output: Contribution to journalArticle

Abstract

We present optical to radio spectral energy distribution fitting of the host galaxies of four long gamma-ray bursts: 980703, 000210, 000418 and 010222, which were detected at submillimetre and/or radio wavelengths. We find that only very young starburst galaxy models are consistent with the data having both blue optical colors and a pronounced submm emission. For each host we are able to construct a model consistent with the short- and long-wavelength parts of the spectra. We find galaxy ages ranging from 0.09 to 2.0 Gyrs and star formation rates ranging from 138 to 380 Msolar yr-1.
Original languageEnglish
Pages (from-to)143-148
JournalAIP Conference Proceedings
Volume924
DOIs
Publication statusPublished - 1 Aug 2007

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