Star Formation in the Extreme Outer Galaxy: the IMF in a low metallicity environment

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dc.creatorYasui, Chikako
dc.creatorKobayashi, Naoto
dc.creatorTokunaga, Alan T.
dc.creatorSaito, Masao
dc.creatorTokoku, Chihiro
dc.date2007-12-31
dc.date.accessioned2026-07-07T08:52:01Z
dc.date.available2026-07-07T08:52:01Z
dc.descriptionWe are conducting a deep near-infrared (NIR) imaging survey of young embedded clusters in the extreme outer Galaxy (hereafter EOG), at the Galactic radius (R_g) of more than 18 kpc. The EOG is an excellent laboratory to study the nature of the IMF in a low-metallicity environment with a great advantage of the proximity compared to nearby dwarf galaxies, such as LMC & SMC. As a first step, we obtained deep NIR images of Digel Cloud 2 clusters at R_g ~19 kpc using the Subaru 8.2-m telescope. The observed K-band luminosity function shows that IMF in the low metallicity environment down to ~ 0.1 M_{sun} is not significantly different from the typical IMFs in the field and in the nearby star clusters as was suggested in our earlier work.
dc.description2 pages, 1 figure, To appear in the proceedings of the conference "Formation and Evolution of Galaxy Disks", Rome, Italy, 1-5 October 2007, ASP Conf. Ser., eds. J. G. Funes and E. M. Corsini
dc.identifierhttps://arxiv.org/abs/0801.0204
dc.identifierhttp://arxiv.org/abs/0801.0204
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145136
dc.subjectAstrophysics
dc.titleStar Formation in the Extreme Outer Galaxy: the IMF in a low metallicity environment
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