NDLI: Uv observations of ngc 205

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Uv observations of ngc 205

Content Provider	NASA Technical Reports Server (NTRS)
Author	Boehm-Vitense, Erika Bertola, Francesco Wilcots, Eric M. Hodge, Paul W. Eskridge, Paul B.
Copyright Year	1989
Description	Low resolution IUE observations of the dwarf elliptical galaxy NGC 205 show that the UV spectral energy distribution (SED) of the galaxy is relatively flat. Spectra centered on the nucleus and on a region north of the nucleus show evidence of recent bursts of star formation which contribute strongly to the UV spectral energy distribution. The UV spectra was fit with a composite spectrum based on a Miller-Scalo initial mass function, an underlying older population (modelled using the UV spectrum of 47 Tuc), and an extinction based on a SMC-like extinction cure. This fit implies that the total mass of young stars (with M equal to or greater than 1 solar mass) in the galaxy is approx. 7x10(5) solar mass, which can be compared to the total mass of globular cluster like stars in the galaxy of approx. 8x10(7) solar mass.
File Size	653333
Page Count	19
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900002345
Archival Resource Key	ark:/13960/t7pp40m5t
Language	English
Publisher Date	1989-11-02
Access Restriction	Open
Subject Keyword	Astronomy Stellar Spectra Star Formation Elliptical Galaxies Interstellar Extinction Dwarf Galaxies Spectral Energy Distribution Ultraviolet Spectra Iue Galactic Nuclei Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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