Please use this identifier to cite or link to this item:
Full metadata record
DC FieldValueLanguage
dc.contributor.authorOgura, K-
dc.contributor.authorChauhan, N-
dc.contributor.authorPandey, A. K-
dc.contributor.authorBhatt, B. C-
dc.contributor.authorOjha, D-
dc.contributor.authorItoh, Y-
dc.identifier.citationPublications of the Astronomical Society of Japan, Vol. 59, pp. 199 - 204en
dc.descriptionRestricted Accessen
dc.description.abstractBright-rimmed clouds (BRCs) found in HII regions are probable sites of triggered star formation due to compression by ionization/shock fronts, and it is hypothesized that star formation proceeds from the exciting star(s) side outward of the HII region (``small-scale sequential star formation''). In order to quantitatively test this hypothesis we undertook $BVI_\mathrm{c}$ photometry of four BRC aggregates. The amounts of interstellar extinction and reddening for each star were estimated by using $JHK_\mathrm{s}$ photometry. We then constructed reddening-corrected $V/V-I_\mathrm{c}$ color-magnitude diagrams, where the age of each star was derived. All of the stars turned out to be a few tenths to a few Myr old. Although the scatters were large and the numbers of the sample stars are small, we found a clear trend that the stars inside or in the immediate vicinity of the bright rim are younger than those outside it in all four aggregates, confirming the hypothesis in question.en
dc.format.extent279785 bytes-
dc.publisherAstronomical Society of Japanen
dc.subjectGalaxy: open clusters and associationsen
dc.subjectgeneral ISM: globules ISM: HII regions starsen
dc.subjectormation stars: pre-main sequenceen
dc.titleAge Sequence in Small Clusters Associated with Bright-Rimmed Cloudsen
Appears in Collections:Publications based on data from IAO, Hanle
IIAP Publications

Files in This Item:
File Description SizeFormat 
Age Sequence in Small Clusters Restricted Access273.23 kBAdobe PDFView/Open    Request a copy

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.