Physics
Scientific paper
Feb 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000noao.prop..288p&link_type=abstract
NOAO Proposal ID #2000A-0288
Physics
Scientific paper
We propose to use the Mosaic Imager on the 0.9-meter telescope to acquire deep R-band images of the Draco molecular Cloud. The Draco molecular cloud is one of the most interesting of all high-latitude molecular clouds, and appears to be at an enormous distance placing it well above the scale height for molecular clouds in our galaxy. Our deep R-band images will provide the first ever high angular resolution images of the cloud. Additional B and V images will provide an extensive catalog of photometric observations which will enable better determination of possible proto-stars and extinction within the cloud. A second spectroscopic observing run will acquire classification spectra for our most promising 100 stars which appear toward dense condensations within the cloud. These observations will also enable us to determine the 2D spectral type of a sample of 14 stars which have already been observed with a high resolution spectrograph, and for which we have over 6 detections of Na I D absorption lines for the cloud. These observations will give the best available information on the distance, size and possible origin of this fascinating molecular cloud.
Nelan Jenica
Penprase Bryan Edward
Rivera Julie
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