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Issue A&A
Volume 442, Number 3, November II 2005
Page(s) L57 - L60
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:200500188



A&A 442, L57-L60 (2005)
DOI: 10.1051/0004-6361:200500188

Letter

Mid-infrared imaging of a young bipolar nebula in the S287 molecular cloud

M. E. van den Ancker

European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching bei München, Germany
    e-mail: mvanden@eso.org

(Received 15 July 2005 / Accepted 14 September 2005)

Abstract
We present diffraction-limited images in the 11.3 $\mu$m PAH band and in the continuum at 11.9 $\mu$m of the S287B star forming region obtained with the newly commissioned mid-infrared imager/spectrometer VISIR at the VLT. In both filters five point-like sources are detected, of which at least one has a spectral energy distribution reminiscent of a Lada Class I source. We also report on the discovery of a new Herbig Ae star in this region. It is particularly striking that the brightest mid-infrared source in this region has not been detected at shorter wavelengths; it is a good candidate to be the driving source of the bipolar molecular outflow and optical reflection nebulosity previously reported in S287B.


Key words: circumstellar matter -- stars: formation -- ISM: S287B -- reflection nebulae -- infrared: stars

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© ESO 2005


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