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Chemistry in disks I - Deep search for NH in the protoplanetary disks around LkCa 15, MWC 480, and DM Tau
Anne Dutrey, Thomas Henning, Stephane Guilloteau +7
Aims: To constrain the ionization fraction in protoplanetary disks, we present new high-sensitivity interferometric observations of NH in three disks surrounding DM Tau, Lk…
Resolving the inner dust disks surrounding LkCa 15 and MWC 480 at mm wavelengths
Vincent Piétu, Anne Dutrey, Stéphane Guilloteau +2
We performed sub-arcsecond high-sensitivity nterferometric observations of the thermal dust emission at 1.4 mm and 2.8 mm in the disks surrounding LkCa 15 and MWC 480, with the new…
Plateau de Bure Interferometer Observations of the Disk and Outflow of HH30
Jérôme Pety, Frédéric Gueth, Stéphane Guilloteau +1
HH30 is a well-known Pre-Main-Sequence star in Taurus. HST observations have revealed a flared, edge-on disk driving a highly-collimated optical jet, making this object a case stud…
Disks around young stars with VLTI/MIDI
Roy van Boekel, Peter Abraham, Serge Correia +17
We report on observations of circumstellar disks around young stars that have been obtained with the MIDI instrument, which is mounted on the VLT Interferometer and operates in the…
Deuterated molecules in DM Tau: DCO+, but no HDO
Stéphane Guilloteau, Vincent Piétu, Anne Dutrey +1
We report the detection of the J=2-1 line of DCO+ in the proto-planetary disk of DM Tau and re-analyze the spectrum covering the 465 GHz transition of HDO in this source, recently…