Luminosity Functions of YSO Clusters in Star Forming Regions: NIR and MIR Surveys

Details Luminosity Functions of YSO Clusters in Star Forming Regions: NIR and MIR Surveys Luminosity Functions of YSO Clusters in Star Forming Regions: NIR and MIR Surveys

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..322..389t&link_type=abstract

The Formation and Evolution of Massive Young Star Clusters, ASP Conference Series, Vol. 322. Edited by H.J.G.L.M. Lamers, L.J.

Astronomy and Astrophysics

Astronomy

Scientific paper

We have conducted near-infrared (NIR) surveys of massive star forming regions (SFRs) with JHKs simultaneous camera, SIRIUS, of which the results for the W3 Main and NGC 7538 SFRs are presented. Typical limiting J magnitudes are ˜19 mag. Based on the NIR color-color diagrams and their clustering properties, the candidate YSOs are identified and their luminosity functions are constructed. These YSOs show a clear clustering pattern in each region. In both W3 Main and NGC 7538, the slope of the Ks-band luminosity functions is lower than the typical values reported for the young embedded clusters. Also introduced are planned follow-up mid-infrared (MIR) observations with the ASTRO-F space mission and NIR multi-object observations with the second-generation Subaru instruments.

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