VizieR Online Data Catalog: Spectroscopy of 104 objects in the ONC (Ingraham+, 2014)
Abstract
In 2003 December, we obtained six nights (on CFHT to perform MOS observations of faint objects in the central region of the Orion Trapezium cluster. The observations used the infrared imager and multi-object spectrograph SIMON (Spectrometre Infrarouge de Montreal). The optical design is fully achromatic between 0.8 and 2.5μm and features a HAWAII-I 1024*1024 HgCdTe detector with an image scale of 0.2'' on CFHT. SIMON utilizes a low-dispersion Amici prism enabling multi-object low-resolution (R~30) spectroscopy over the wavelength range of 0.9-2.4μm.
The slit width, in the spectral direction, was chosen to be 0.6'' (3pixels) resulting in a spectral resolution of R~30. In total, spectra for 240 point sources were obtained. Here, we present only the 104 objects (see Table5) with low-extinction (AV<8) spectra having well constrained spectral types. (2 data files).- Publication:
-
VizieR Online Data Catalog
- Pub Date:
- March 2016
- DOI:
- 10.26093/cds/vizier.17820008
- Bibcode:
- 2016yCat..17820008I
- Keywords:
-
- Clusters: open;
- Stars: dwarfs;
- Spectral types;
- Effective temperatures;
- Extinction;
- Stars: masses