SIMBAD references

1994PASP..106..765H - Publ. Astron. Soc. Pac., 106, 765-769 (1994/July-0)

The H II regions of Sextans A.


Abstract (from CDS):

Calibrated H-alpha and continuum CCD frames are used to measure the emission-line luminosities, sizes and morphological characteristics of 25 H II regions in the dwarf irregular galaxy Sextans A, a probable member of the Local Group. The luminosity function fits a power law with slope–1.70 and the size distribution is roughly exponential with a scale length of 62 pc. We identify 56 candidate exciting stars, from which we find that the estimated ultraviolet flux in the H II regions is approximately proportional to the H-alpha flux. Comparison with the H I distribution shows good positional agreement, except with an approximate 300 pc offset of H-alpha peak from H I peak.

Abstract Copyright:

Journal keyword(s):

Nomenclature: Table 1: [HKS94] NN N=25

Status at CDS:  

Simbad objects: 85

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