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17 papers · 1 filter
Stellar and planetary Cassini states
Alexandre C. M. Correia
Cassini states correspond to equilibria of the spin axis of a body when its orbit is perturbed. They were initially described for satellites, but the spin axis of stars and planets…
The distribution of radioactive Ti in Cassiopeia A
Brian W. Grefenstette, Chris L. Fryer, Fiona A. Harrison +28
The distribution of elements produced in the inner-most layers of a supernova explosion is a key diagnostic for studying the collapse of massive stars. Here we present the results…
Herschel / HIFI spectral line survey of the Orion Bar - Temperature and density differentiation near the PDR surface
Z. Nagy, Y. Choi, V. Ossenkopf-Okada +7
Photon Dominated Regions (PDRs) are interfaces between the mainly ionized and mainly molecular material around young massive stars. Analysis of the physical and chemical structure…
Millimeter-Wave Line Ratios and Sub-beam Volume Density Distributions
Adam K. Leroy, Antonio Usero, Andreas Schruba +11
We explore the use of mm-wave emission line ratios to trace molecular gas density when observations integrate over a wide range of volume densities within a single telescope beam.…
The VIMOS Public Extragalactic Redshift Survey (VIPERS): Galaxy segregation inside filaments at
N. Malavasi, S. Arnouts, D. Vibert +42
We present the first quantitative detection of large-scale filamentary structure at in the large cosmological volume probed by the VIMOS Public Extragalactic Redshif…
Study and application of the resonant secular dynamics beyond Neptune
Melaine Saillenfest, Marc Fouchard, Giacomo Tommei +1
We use a secular representation to describe the long-term dynamics of transneptunian objects in mean-motion resonance with Neptune. The model applied is thoroughly described in Sai…