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37 papers · 2 filters
Phosphorus in the Young Supernova Remnant Cassiopeia A
Bon-Chul Koo, Yong-Hyun Lee, Dae-Sik Moon +2
Phosphorus (P), which is essential for life, is thought to be synthesized in massive stars and dispersed into interstellar space when these stars explode as supernovae (SNe)…
The Keplerian orbit of G2
L. Meyer, A. M. Ghez, G. Witzel +8
We give an update of the observations and analysis of G2 - the gaseous red emission-line object that is on a very eccentric orbit around the Galaxy's central black hole and predict…
Planck intermediate results. XVII. Emission of dust in the diffuse interstellar medium from the far-infrared to microwave frequencies
Planck Collaboration, A. Abergel, P. A. R. Ade +196
The dust-HI correlation is used to characterize the emission properties of dust in the diffuse interstellar medium. We cross-correlate sky maps from Planck, WMAP, and DIRBE, at 17…
Paramagnetic alignment of small grains: a novel method for measuring interstellar magnetic fields
Thiem Hoang, A. Lazarian, P. G. Martin
We present a novel method to measure the strength of interstellar magnetic fields based on ultraviolet (UV) polarization of starlight, which is in part produced by weakly aligned,…
Planck 2013 results. XI. All-sky model of thermal dust emission
Planck Collaboration, A. Abergel, P. A. R. Ade +244
This paper presents an all-sky model of dust emission from the Planck 857, 545 and 353 GHz, and IRAS 100 micron data. Using a modified black-body fit to the data we present all-sky…
Reconstructing the density and temperature structure of prestellar cores from data: A case study for B68 and L1689B
A. Roy, Ph. Andre', P. Palmeirim +22
Utilizing multi-wavelength dust emission maps acquired with , we reconstruct local volume density and dust temperature profiles for the prestellar cores B68 and L1689B us…