Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...333l...9p&link_type=abstract
Astronomy and Astrophysics, v.333, p.L9-L12 (1998)
Astronomy and Astrophysics
Astrophysics
17
Stars: Formation, Ism: Clouds, Ism: Individual Objects: M16, Infrared: Ism: Continuum
Scientific paper
We have used ISOCAM to obtain images of the `elephant trunks' in the M16 `Eagle nebula' in the two broadband filters LW2 (5-8.5mu m) and LW3 (12-18mu m). These pillars are clearly seen in both our filters, their emission has a colour temperature in the range 250-320K. We have also detected bright extended emission in the LW3 filter, in an area outside the `elephant trunks', and with no LW2 counterpart. We report the detection of a deeply embedded source, presumably connected with M16-E31, which we identify as a YSO. However, to our levels of angular resolution and sensitivity we cannot, in general, correlate discrete sources with the EGGs discovered by the HST. Our observations are consistent with a relatively low level of ongoing low-mass star formation, a fact which may be related to disk disruption taking place at early times in M16. Based on observations with ISO, an ESA project with instruments funded by ESA Member States (especially the PI countries: France, Germany, the Netherlands and the United Kingdom) with the participation of ISAS and NASA.
Altieri Bruno
Blommaert Joris A. D. L.
Kessler Martin F.
Malcolm Fridlund C. V.
Pilbratt Goeran L.
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