Rosetta is on its way to comet Churyumov Gerasimenko!
End of March 2004 the commissioning of the ROSINA instrument started, the first switch-on of the sensors after launch.
2005 the first mass spectra of DFMS and RTOF were received. So far it is just the outgassing of the spacecraft.
Mass spectrum of ROSINA DFMS, March 2010, Rosetta Outgassing