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6 papers · 2 filters
Optimal Electron Energies for Driving Chromospheric Evaporation in Solar Flares
Jeffrey Reep, Stephen Bradshaw, David Alexander
In the standard model of solar flares, energy deposition by a beam of electrons drives strong chromospheric evaporation leading to a significantly denser corona and much brighter e…
Asymmetric features in the protoplanetary disk MWC758
M. Benisty, A. Juhasz, A. Boccaletti +25
The study of dynamical processes in protoplanetary disks is essential to understand planet formation. In this context, transition disks are prime targets because they are at an adv…
The Kozai-Lidov Mechanism in Hydrodynamical Disks. II. Effects of binary and disk parameters
Wen Fu, Stephen H. Lubow, Rebecca G. Martin
Martin et al. (2014b) showed that a substantially misaligned accretion disk around one component of a binary system can undergo global damped Kozai-Lidov oscillations. During these…
A Survey of Irradiated Pillars, Globules, and Jets in the Carina Nebul
P. Hartigan, M. Reiter, N. Smith +1
We present wide-field, deep narrowband H, Br, H, [S II], [O III], and broadband I and K-band images of the Carina star formation region. The new images provide a large-sc…
Co-spatial Long-slit UV/Optical Spectra of Ten Galactic Planetary Nebulae with HST/STIS I. Description of the Observations, Global Emission-line Measurements, and CNO Abundances
Reginald J. Dufour, Karen B. Kwitter, Richard A. Shaw +3
We present observations and initial analysis from an HST/STIS program to obtain the first co-spatial, UV-optical spectra of ten Galactic planetary nebulae (PNe). Our primary object…
Vibrationally Excited CH
Andrew L. Cooksy, C. A. Gottlieb, T. C. Killian +4
Rotational spectra in four new excited vibrational levels of the linear carbon chain radical CH radical were observed in the millimeter band between 69 and 364 GHz in a low pre…