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Ubiquitous High Speed Transition Region and Coronal Upflows in the Quiet Sun
Scott W. Mcintosh, Bart De Pontieu
We study the line profiles of a range of transition region (TR) emission lines observed in typical quiet Sun regions. In magnetic network regions, the Si IV 1402Å, C IV 1548Å, N V…
Observing Episodic Coronal Heating Events Rooted in Chromospheric Activity
Scott W. McIntosh, Bart De Pontieu
We present results of a multi-wavelength study of episodic plasma injection into the corona of AR 10942. We exploit long-exposure images of the Hinode and Transition Region and Cor…
Estimating the Chromospheric Absorption of Transition Region Moss Emission
Bart De Pontieu, Viggo H. Hansteen, Scott W. McIntosh +1
Many models for coronal loops have difficulty explaining the observed EUV brightness of the transition region, which is often significantly less than theoretical models predict. Th…
Observing the Roots of Solar Coronal Heating - in the Chromosphere
Bart De Pontieu, Scott W. McIntosh, Viggo H. Hansteen +1
The Sun's corona is millions of degrees hotter than its 5,000 K photosphere. This heating enigma is typically addressed by invoking the deposition at coronal heights of non-thermal…
How The Solar Wind Ties To Its Photospheric Origins
Robert J. Leamon, Scott W. McIntosh
We present a new method of visualizing the solar photospheric magnetic field based on the "Magnetic Range of Influence" (MRoI). The MRoI is a simple realization of the magnetic env…
Time-Distance Seismology of the Solar Corona with CoMP
Steven Tomczyk, Scott W. McIntosh
We employ a sequence of Doppler images obtained with the Coronal Multi-channel Polarimeter (CoMP) instrument to perform time-distance seismology of the solar corona. We construct t…