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New Young Brown Dwarfs in the Orion Molecular Cloud 2/3 Region
Dawn E. Peterson, S. T. Megeath, K. L. Luhman +7
Forty new low mass members with spectral types ranging from M4-M9 have been confirmed in the Orion Molecular Cloud 2/3 region. Through deep, I, z', J, H, K photometry of a 20' x 20…
Spitzer, Near-Infrared, and Submillimeter Imaging of the Relatively Sparse Young Cluster, Lynds 988e
Thomas S. Allen, Judith L. Pipher, Robert A. Gutermuth +7
We present {\it Spitzer} images of the relatively sparse, low luminosity young cluster L988e, as well as complementary near-infrared (NIR) and submillimeter images of the region. T…
Fully Sampled Maps of Ices and Silicates in Front of Cepheus A East with Spitzer
P. Sonnentrucker, D. A. Neufeld, P. A. Gerakines +5
We report the first fully sampled maps of the distribution of interstellar CO2 ices, H2O ices and total hydrogen nuclei, as inferred from the 9.7 micron silicate feature, toward th…
Gas-phase CO2 emission toward Cepheus A East: the result of shock activity?
P. Sonnentrucker, E. González-Alfonso, D. A. Neufeld +5
We report the first detection of gas-phase CO2 emission in the star-forming region Cepheus A East, obtained by spectral line mapping of the v2 bending mode at 14.98 micron with the…
Spitzer observations of HH54 and HH7-11: mapping the H2 ortho-to-para ratio in shocked molecular gas
David A. Neufeld, Gary J. Melnick, Paule Sonnentrucker +6
We report the results of spectroscopic mapping observations carried out toward the Herbig-Haro objects HH7-11 and HH54 over the 5.2 - 37 micron region using the Infrared Spectrogra…
Outflows from Massive YSOs as Seen with the Infrared Array Camera
Howard A. Smith, J. L. Hora, M. Marengo +1
The bipolar outflow from the massive star forming cluster in DR21 is one of the most powerful known, and in IRAC images the outflow stands out by virtue of its brightness at 4.5 um…