A Spectroscopic Analysis of the Starburst Galaxies NGC 3395/3396

Details A Spectroscopic Analysis of the Starburst Galaxies NGC 3395/3396 A Spectroscopic Analysis of the Starburst Galaxies NGC 3395/3396

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19713404p&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #134.04; Bulletin of the American Astronomical Society, Vol. 33, p.719

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained ultraviolet and visible wavelength spectra of bright knots in the interacting galaxies NGC 3395 and 3396 using the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope. UV-bright knots in the galaxies were selected from previously acquired STIS images. Spectra were obtained by placing the long (52x0.5 arcseconds) slit across the brightest knots. The UV data were taken using the FUV-MAMA detector and the G140L grating (1150 - 1730Å). The optical data were obtained with the CCD and both the G430L grating (2900 - 5700Å) and the G750L grating (5240 - 10270Å). The data were reduced and analyzed using the standard IRAF and STSDAS packages as well as customized software routines. We will present line strengths, line ratios, and reddening parameters for the knots. The spectra are consistent with a massive production of hot young stars in a starburst. We will also discuss the dependence of the characteristics of the knots on their position in the galaxies and their possible relationship to the tidal interaction. This work has been supported in part by NASA, under contract NAS5-31231.

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