Title of article :
Stringent upper limits to the solid NH3 abundance towards W 33A from near-IR spectroscopy with the Very Large Telescope
Author/Authors :
Dishoeck، E. F. van نويسنده , , Pontoppidan، K. M. نويسنده , , Taban، I. M. نويسنده , , Schutte، W. A. نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
Several catalogues of reflection nebulae are merged to create a uniform catalogue of 913 objects. It contains revised coordinates, cross-identifications of nebulae and stars, as well as identifications with IRAS point sources.
Keywords :
Laboratory , methods , Individual , stars , W 33A , ISM , molecules , Infrared , bands , lines , Abundances
Journal title :
Astronomy and Astrophysics
Journal title :
Astronomy and Astrophysics
