Looking for the First Galaxies with EMIR/GTC

Details Looking for the First Galaxies with EMIR/GTC Looking for the First Galaxies with EMIR/GTC

2002-03-13

arxiv.org/abs/astro-ph/0203203v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, Proceedings of the Conference "Science with the GTC", held in Granada, Spain, 6-8 February 2002

Scientific paper

The new Pop III models by Schaerer (2002) have been used to derive the observed properties of the first galaxies in terms of the expected magnitudes and colors. The dependence of their properties on the IMF and upper mass limit for star formation are studied. The emerging synthetic spectra are used to discuss the implications on different observational features. Strong emission lines, such as Lyman-alpha and HeII 1640, could easily be detected with a good S/N with near-IR medium resolution spectrographs, such as EMIR at GTC. Our simulations aim at exploring possible observational constraints on the formation epoch of the first stars in galaxies.

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