IRAS Sources Associated With Small Nebulae in Star Forming Regions: Optical and Near Infrared Images

Details IRAS Sources Associated With Small Nebulae in Star Forming Regions: Optical and Near Infrared Images IRAS Sources Associated With Small Nebulae in Star Forming Regions: Optical and Near Infrared Images

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....113.1769t&link_type=abstract

Astronomical Journal v.113, p. 1769 (1997)

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Optical CCD and near-IR broad and narrow-band imaging have been obtained of a sample of 11 small optical nebula associated with IRAS sources in star forming regions in order to perform a morphological and photometric study. More than 130 sources were detected in K. The J-H versus H-K diagram was used to establish their nature. The most massive regions, Gy 2-18, Gy 4-2 and Gy 3-7, have embedded clusters of early-type stars and their associated nebulae were found to be photoionized. The IRAS sources in L1455, L1473, L1165 and Gy 4-1 with near-IR reflection nebulae were found to be Class I young stellar objects with associated molecular outflows. The results for each region is discussed in detail.

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