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Title: The Luminosity Function and Size Distribution of HII Regions in NGC 1365
Authors: Ravindranath, S
Prabhu, T. P
Keywords: HII Region Luminosity;HII Regions in NGC 1365;Galaxy;Hubble Type
Issue Date: Mar-2001
Publisher: Springer
Citation: Astrophysics and Space Science, Vol. 276, No. 2 - 4, pp. 429-436
Abstract: We present the HII region luminosity function and size distribution obtained for the HII regions in NGC 1365. The diameters were corrected for the effects of seeing using a Wiener image restoration procedure. The luminosities and sizes were calculated using the Cepheid distance of 18+/-2 Mpc, to NGC 1365. We find good correlation between the H_α luminosities and other properties, such as absolute magnitudes and sizes of the HII regions within this galaxy. We find that the HII region luminosity function can be fitted by a power law of slope α=-2.29±0.11, which is consistent with what is expected for its Hubble type. Also, the size distribution of the HII regions can be represented by an exponential form.
Description: Restricted Access
ISSN: 0004-640X
Appears in Collections:IIAP Publications

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