Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.234...95m&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 234, Sept. 1, 1988, p. 95-105.
Astronomy and Astrophysics
Astronomy
20
H Ii Regions, Infrared Sources (Astronomy), Reflection Nebulae, Astronomical Photometry, Continuous Spectra, Hydroxyl Emission, Line Spectra, Star Formation
Scientific paper
The authors present new near-infrared observations of the W75N region including a 2.2 μm continuum map covering a 64×48 arcsec2 area centred near to W75N(OH). This map reveals a cluster of previously unobserved near-infrared continuum sources and an extensive 2 μm reflection nebula. Using photometry and Brackett line detections the authors estimate the extinction towards these sources and discuss the detailed structure of the region and the nature of the individual objects found. An undersampled map of molecular hydrogen υ = 1-0 S(1) detections is also presented covering a 1.5×2 arcmin2 area. The strength, distribution and location of the emission is discussed in comparison with excitation models and the constraints they place on the energetics of the source.
Moore Justin Tatch
Mountain Charles M.
Selby M. J.
Yamashita Toshifumi
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