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Age-dating a star-burst with Gemini/CIRPASS observations of the core of M83 | | R.G. Sharp
; I.R. Parry
; S.D. Ryder
; J.H. Knapen
; L.M. Mazzuca
; | | Date: |
14 Nov 2003 | | Subject: | astro-ph | | Abstract: | We present preliminary results from a set of near-IR integral field spectroscopic observations of the central, star-burst, regions of the barred spiral galaxy M83, obtained with CIRPASS on Gemini-S. We present maps in the Paschen-Beta and [FeII]1.257um emission lines which appear surprisingly different. We outline the procedure in which we will use Paschen-Beta emission line strengths and measures of CO absorption to determine the relative and absolute ages of individual star-forming knots in the central kpc region of M83. | | Source: | arXiv, astro-ph/0311346 | | Services: | Forum | Review | PDF | Favorites | |
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