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Simultaneous Observations of the Chromosphere with TRACE and SUMER

Pasachoff, Jay M. and Tingle, Evan D. and Dammasch, Ingolf E. and Sterling, Alphonse C. (2011) Simultaneous Observations of the Chromosphere with TRACE and SUMER. Solar Physics, 268 (1). pp. 151-163. ISSN 0038-0938. http://resolver.caltech.edu/CaltechAUTHORS:20110124-151557420

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Abstract

Using mainly the 1600 Å continuum channel and also the 1216 Å Lyman-α channel (which includes some UV continuum and C IV emission) aboard the TRACE satellite, we observed the complete lifetime of a transient, bright chromospheric loop. Simultaneous observations with the SUMER instrument aboard the SOHO spacecraft revealed interesting material velocities through the Doppler effect existing above the chromospheric loop imaged with TRACE, possibly corresponding to extended nonvisible loops, or the base of an X-ray jet.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/s11207-010-9673-6DOIUNSPECIFIED
http://www.springerlink.com/content/y061l526772u2646/PublisherUNSPECIFIED
Additional Information:© 2010 Springer Science+Business Media B.V. Received: 17 August 2010; Accepted: 4 November 2010; Published online: 7 December 2010. We thank William A. Jacobson for his collaboration with data reduction at Williams College. David Butts, Joseph Gangestad, Owen Westbrook, Jennifer Yee, Megan Bruck, and Anne Jaskot were students who participated in the observations on site during our three years of observing with the Swedish 1-m Solar Telescope, and Kamen Kozarev participated in earlier data reduction. We thank Leon Golub and Edward DeLuca (Harvard-Smithsonian Center for Astrophysics) and Jonathan Cirtain (now at NASA’s Marshall Space Flight Center) for their consultations on the TRACE data reduction. We thank Steven P. Souza of Williams College’s Astronomy Department for his computing assistance and advice. We thank Klaus Wilhelm for his advice and for comments on the manuscript. Our work was funded in part by NASA grants NNG04GF99G and NNG04GK44G from the Solar Terrestrial Program and grants NNM07AA01G and NNX10AK47A from NASA’s Marshall Space Flight Center. E.D.T.’s participation was sponsored by a grant from the Research Experiences for Undergraduate Program of the National Science Foundation to the Keck Northeast Astronomy Consortium, formerly sponsored by the Keck Foundation. A.C.S. was supported by funding from NASA’s Office of Space Science through the Living with a Star, the Solar Physics Supporting Research and Technology, and the Sun-Earth Connection Guest Investigator Programs. SOHO is a joint project of the European Space Agency and NASA. TRACE is a project of NASA, with its telescope from the Smithsonian Astrophysical Observatory and overall direction from the Lockheed Martin Solar and Astrophysics Laboratory.
Funders:
Funding AgencyGrant Number
NASA Solar Terrestrial ProgramNNG04GF99G
NASA Solar Terrestrial ProgramNNG04GK44G
NASA Marshall Space Flight CenterNNM07AA01G
NASA Marshall Space Flight CenterNNX10AK47A
NSF Research Experiences for Undergraduate ProgramUNSPECIFIED
NASA Office of Space Science UNSPECIFIED
Solar Physics Supporting Research and TechnologyUNSPECIFIED
Sun-Earth Connection Guest Investigator ProgramsUNSPECIFIED
Subject Keywords:Chromosphere; Corona; Transition zone; SUMER; TRACE
Record Number:CaltechAUTHORS:20110124-151557420
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110124-151557420
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21870
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:25 Jan 2011 16:36
Last Modified:26 Dec 2012 12:52

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