Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-05-10
Astrophys.J.649:299-305,2006
Astronomy and Astrophysics
Astrophysics
7 pages, 5 figures, Accepted for publication in the Astrophysical Journal
Scientific paper
10.1086/505681
We present high-resolution infrared imaging of the massive star-forming region around the O-star Herschel 36. Special emphasis is given to a compact infrared source at 0".25 southeast of the star. The infrared source, hereafter Her 36 SE, is extended in the broad-band images, but features spatially unresolved Br gamma line emission. The line-emission source coincides in position with the previous HST detections in H alpha and the 2 cm radio continuum emission detected by VLA interferometry. We propose that the infrared source Her 36 SE harbors an early B-type star, deeply embedded in a dusty cloud. The fan shape of the cloud with Herschel 36 at its apex, though, manifests direct and ongoing destructive influence of the O7V star on Her 36 SE.
Feldt Markus
Goto Mario
Henning Th
Linz Hendrik
Pascucci Ilaria
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