732 citations
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23 papers · 1 filter
Spitzer observations of Bow Shocks and Outflows in RCW 38
E. Winston, S. J. Wolk, T. L. Bourke +3
We report Spitzer observations of five newly identified bow shocks in the massive star-forming region RCW 38. Four are visible at IRAC wavelengths, the fifth is visible only at 24…
Differential graded contact geometry and Jacobi structures
Rajan Amit Mehta
We study contact structures on nonnegatively-graded manifolds equipped with homological contact vector fields. In the degree 1 case, we show that there is a one-to-one corresponden…
NUV Excess in Slowly Accreting T Tauri Stars: Limits Imposed by Chromospheric Emission
Laura Ingleby, Nuria Calvet, Edwin Bergin +20
Young stars surrounded by disks with very low mass accretion rates are likely in the final stages of inner disk evolution and therefore particularly interesting to study. We presen…
Frameworks with crystallographic symmetry
Ciprian S. Borcea, Ileana Streinu
Periodic frameworks with crystallographic symmetry are investigated from the perspective of a general deformation theory of periodic bar-and-joint structures in . It is shown…
Periodic body-and-bar frameworks
Ciprian S. Borcea, Ileana Streinu, Shin-ichi Tanigawa
Abstractions of crystalline materials known as periodic body-and-bar frameworks are made of rigid bodies connected by fixed-length bars and subject to the action of a group of tran…
The Structure of the Star-forming Cluster RCW 38
Elaine Winston, Scott J. Wolk, Tyler Bourke +3
We present a study of the structure of the high mass star-forming region RCW~38 and the spatial distribution of its young stellar population. Spitzer IRAC photometry 3-8um are comb…