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arxiv: 1511.05307 · v1 · pith:RA2XUW35new · submitted 2015-11-17 · 🌌 astro-ph.GA · astro-ph.CO

Optical observations of the nearby galaxy IC342 with narrow band [SII] and Hα filters. II - Detection of 16 Optically-Identified Supernova Remnant Candidates

classification 🌌 astro-ph.GA astro-ph.CO
keywords alphagalaxyic342candidatesdetecteddetectionnearbyobservations
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We present the detection of 16 optical supernova remnant (SNR) candidates in the nearby spiral galaxy IC342. The candidates were detected by applying [SII]/H$\alpha$ ratio criterion on observations made with the 2 m RCC telescope at Rozhen National Astronomical Observatory in Bulgaria. In this paper, we report the coordinates, diameters, H$\alpha$ and [SII] fluxes for 16 SNRs detected in two fields of view in the IC342 galaxy. Also, we estimate that the contamination of total H$\alpha$ flux from SNRs in the observed portion of IC342 is 1.4%. This would represent the fractional error when the star formation rate (SFR) for this galaxy is derived from the total galaxy's H$\alpha$ emission.

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