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4 papers · 1 filter
Mini High Velocity Clouds
G. Lyle Hoffman, E. E. Salpeter, Ajay Hirani
Neutral hydrogen mapping of several small, very low column density High Velocity Clouds (HVC), using the Arecibo telescope, is reported. Some were found serendipitously superimpose…
Shape of ammonium chloride dendrite tips at small supersaturation
Andrew Dougherty, Mayank Lahiri
We report detailed shape measurements of the tips of three-dimensional ammonium chloride dendrites grown from supersaturated aqueous solution. For growth at small supersaturation,…
The cohomology of right angled Artin groups with group ring coefficients
Craig Jensen, John Meier
We give an explicit formula for the cohomology of a right angled Artin group with group ring coefficients in terms of the cohomology of its defining flag complex.
Discovery of Soft Spectral Component and Transient 22.7s Quasi Periodic Oscillations of SAX J2103.5+4545
S. C. Inam, A. Baykal, J. Swank +1
XMM-Newton observed SAX J2103.5+4545 on January 6, 2003, while RXTE was monitoring the source. Using RXTE-PCA dataset between December 3, 2002 and January 29, 2003, the spin period…