The Massive Hot Core Associated with G31.41+0.31

Details The Massive Hot Core Associated with G31.41+0.31 The Massive Hot Core Associated with G31.41+0.31

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.224..173w&link_type=abstract

Astrophysics and Space Science, Volume 224, Issue 1-2, pp. 173-175

Astronomy and Astrophysics

Astrophysics

1

Molecular Lines, Hot Core, Massive Star Formation

Scientific paper

We have used the IRAM Plateau de Bure Interferometer to observe the ground state and vibrationally excited lines of Methyl Cyanide towards the UCHII region G31.41+0.31. We also obtained a map of the continuum emission at a frequency of 110 GHz. We detect a hot molecular core in the emission both of methyl cyanide and of the 110 GHz continuum. We estimate a temperature of 200 K and a mass of 1000 M&sun; for this compact massive region. We also detect a velocity gradient or shift across the methyl cyanide core whose origin could be due to rotation.

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