Spectroscopy of the ringlike nebula toward the open cluster NGC 3572

Details Spectroscopy of the ringlike nebula toward the open cluster NGC 3572 Spectroscopy of the ringlike nebula toward the open cluster NGC 3572

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105.1269n&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 693, p. 1269-1272

Mathematics

Logic

2

Astronomical Spectroscopy, H Ii Regions, Nebulae, Open Clusters, Absorption Spectra, Data Reduction, Massive Stars, Morphology, Spectrum Analysis

Scientific paper

Low-dispersion spectroscopy has been obtained for the ringlike nebula which Phelps and Janes (1991) found in the direction of the young open cluster NGC 3572 and suspected as a planetary nebula. Some nearby nebulosities have also been observed. Analyses of these data indicate that all of them, including the NGC 3572 ring, are H II regions. Morphological considerations of the region show that the nearby nebulosities are bright rims which are associated with the H II region BBW 342 and are partly hidden by the obscuring matter lying on this side. The NGC 3572 ring could be of the same nature. However, as the alternative interpretation, it could be a ring nebula (probably a wind-blown bubble) around a massive star (WR/Of star or LBV).

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