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Astron. Astrophys. 326, 632-639 (1997)

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New multiple young stellar objects discovered
by near-infrared speckle imaging

N. Ageorges 1, A. Eckart 2, J.-L. Monin 3 and F. Ménard 3

1 ESO, Karl Schwarzschild Strasse 2, D-85748 Garching bei München, Germany
2 Max Planck Institut für Extraterrestrische Physik (MPE), Giessenbachstrasse, D-85748 Garching bei München, Germany
3 Laboratoire d'Astrophysique, Observatoire de Grenoble, Université Joseph Fourier, BP 53X, F-38041 Grenoble Cedex 9, France

Received 2 December 1996 / Accepted 20 May 1997


We present the results of a near infrared high angular resolution study of young stellar objects. The observations have been carried out in 1993 and 1994 with the speckle camera SHARP 1 installed at the ESO-NTT. The sources were selected because of their known high degree of polarization at optical wavelengths, in order to search for disk-like extended structures. This paper only concentrates on the new multiple systems discovered. After a general presentation of the sample, each new system is presented individually. Then the relative reddening of the individual components as well as the possible link between the morphology of a system and its polarization are discussed.

Key words: polarizationcircumstellar matterstars: formationstars: imagingstars: pre-main sequenceinfrared: stars

Send offprint requests to: N. Ageorges at ESO

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© European Southern Observatory (ESO) 1997

Online publication: October 15, 1997