70 citations · 603 across the 23 of their papers we have counts for
24 papers
Standing oscillations in a resonant sunspot atmosphere captured by integral field spectroscopy
Glen Chambers, David B. Jess, Shahin Jafarzadeh +8
The solar atmosphere is replete with magnetohydrodynamic wave activity, with magnetic structures such as sunspots channelling wave energy flux efficiently into the outer atmosphere…
Small-scale bright point characteristics at high-resolution with the Daniel K. Inouye Solar Telescope
Peter H. Keys, Ryan J. Campbell, Dylan K. J. Magill +9
Bright points (BPs) are small-scale, dynamic features that are ubiquitous across the solar disc and are often associated with the underlying magnetic field. Using broadband photosp…
The Sunspot Solar Observatory Data Archive: Continuing Operations at the Dunn Solar Telescope
Sean G. Sellers, Juie Shetye, Damian J. Christian +9
The Sunspot Solar Observatory Data Archive (SSODA) stores data acquired with the suite of instruments at the Richard B. Dunn Solar Telescope (DST) from February 2018 to the present…
A search for mode coupling in magnetic bright points
Arthur Berberyan, Peter H. Keys, David B. Jess +1
Context. Magnetic bright points (MBPs) are one of the smallest manifestations of the magnetic field in the solar atmosphere and are observed to extend from the photosphere up to th…
Astro2020 APC White Paper: Enabling Terminal Master's Degrees as a Step Towards a Ph.D
Michael B. Lund, Savannah R. Jacklin, David Ciardi
Earning any advanced degree in physics or astronomy is an arduous process and major accomplishment. However, not every journey to the Ph.D. is paved equally. Every year, there are…
An Inside Look at Sunspot Oscillations with Higher Azimuthal Wavenumbers
David B. Jess, Tom Van Doorsselaere, Gary Verth +7
Solar chromospheric observations of sunspot umbrae offer an exceptional view of magneto-hydrodynamic wave phenomena. In recent years, a wealth of wave signatures related to propaga…
An assessment of Fe XX - Fe XXII emission lines in SDO/EVE data as diagnostics for high density solar flare plasmas using EUVE stellar observations
F. P. Keenan, R. O. Milligan, M. Mathioudakis +1
The Extreme Ultraviolet Variability Experiment (EVE) on the Solar Dynamics Observatory obtains extreme-ultraviolet (EUV) spectra of the full-disk Sun at a spectral resolution of ~1…
Chandra Characterization of X-ray Emission in the Young F-Star Binary System HD 113766
C. M. Lisse, D. J. Christian, S. J. Wolk +3
Using Chandra we have obtained imaging X-ray spectroscopy of the 10 to 16 Myr old F-star binary HD 113766. We individually resolve the binary components for the first time in the X…
Multifractal Solar EUV Intensity Fluctuations and their Implications for Coronal Heating Models
Ana Cristina Cadavid, Yeimy J. Rivera, John K. Lawrence +3
We investigate the scaling properties of the long-range temporal evolution and intermittency of SDO/AIA intensity observations in four solar environments: an active region core, a…
Wave Damping Observed in Upwardly Propagating Sausage-mode Oscillations contained within a Magnetic Pore
S. D. T. Grant, D. B. Jess, M. G. Moreels +8
We present observational evidence of compressible magnetohydrodynamic wave modes propagating from the solar photosphere through to the base of the transition region in a solar magn…
Heating Mechanisms for Intermittent Loops in Active Region Cores from AIA/SDO EUV Observations
A. C. Cadavid, J. K. Lawrence, D. J. Christian +2
We investigate intensity variations and energy deposition in five coronal loops in active region cores. These were selected for their strong variability in the AIA/SDO 94 Å intensi…
Characteristics of transverse waves in chromospheric mottles
D. Kuridze, G. Verth, M. Mathioudakis +5
Using data obtained by the high temporal and spatial resolution Rapid Oscillations in the Solar Atmosphere (ROSA) instrument on the Dunn Solar Telescope, we investigate at an unpre…
Tracking Magnetic Bright Point Motions Through the Solar Atmosphere
P. H. Keys, M. Mathioudakis, D. B. Jess +3
High cadence, multi-wavelength observations and simulations are employed for the analysis of solar photospheric magnetic bright points (MBPs) in the quiet Sun. The observations wer…
Cometary Charge Exchange Diagnostics in UV and X-ray
D. Bodewits, D. J. Christian, J. A. Carter +6
Since the initial discovery of cometary charge exchange emission, more than 20 comets have been observed with a variety of X-ray and UV observatories. This observational sample off…
Propagating Wave Phenomena Detected in Observations and Simulations of the Lower Solar Atmosphere
D. B. Jess, S. Shelyag, M. Mathioudakis +3
We present high-cadence observations and simulations of the solar photosphere, obtained using the Rapid Oscillations in the Solar Atmosphere imaging system and the MuRAM magneto-hy…
The Origin of Type I Spicule Oscillations
D. B. Jess, D. J. Pascoe, D. J. Christian +3
We use images of high spatial and temporal resolution, obtained with the Rapid Oscillations in the Solar Atmosphere instrument at the Dunn Solar Telescope, to reveal how the genera…
Rapid Fluctuations in the Lower Solar Atmosphere
J. K. Lawrence, A. C. Cadavid, D. J. Christian +2
The Rapid Oscillations in the Solar Atmosphere (ROSA) instrument reveals solar atmospheric fluctuations at high frequencies. Spectra of variations of the G-band intensity (IG) and…
The Velocity Distribution of Solar Photospheric Magnetic Bright Points
Peter H. Keys, Mihalis Mathioudakis, David B. Jess +4
We use high spatial resolution observations and numerical simulations to study the velocity distribution of solar photospheric magnetic bright points. The observations were obtaine…
A search for line intensity enhancements in the far-UV spectra of active late-type stars arising from opacity
F. P. Keenan, D. J. Christian, S. J. Rose +1
Radiative transfer calculations have predicted intensity enhancements for optically thick emission lines, as opposed to the normal intensity reductions, for astrophysical plasmas u…
Small-scale Hα Jets in the Solar Chromosphere
D. Kuridze, M. Mathioudakis, D. B. Jess +4
High temporal and spatial resolution observations from the Rapid Oscillations in the Solar Atmosphere (ROSA) multiwavelength imager on the Dunn Solar Telescope are used to study th…
SuperWASP observations of pulsating Am stars
B Smalley, D. W. Kurtz, A. M. S. Smith +25
We have studied over 1600 Am stars at a photometric precision of 1 mmag with SuperWASP photometric data. Contrary to previous belief, we find that around 200 Am stars are pulsating…
The Area Distribution of Solar Magnetic Bright Points
P. J. Crockett, M. Mathioudakis, D. B. Jess +3
Magnetic Bright Points (MBPs) are among the smallest observable objects on the solar photosphere. A combination of G-band observations and numerical simulations is used to determin…
A study of Magnetic Bright Points in the Na I D1 line
D. B. Jess, M. Mathioudakis, D. J. Christian +2
High cadence, multiwavelength, optical observations of solar magnetic bright points, captured at disk center using the ROSA and IBIS imaging systems on the Dunn Solar Telescope, ar…
Chandra Observations of Comets 8P/Tuttle and 17P/Holmes during Solar Minimum
D. J. Christian, D. Bodewits, C. M. Lisse +5
We present results for Chandra observations of comets, 17P/Holmes (17P) and 8P/Tuttle (8P). 17P was observed for 30 ksec right after its major outburst, on 31 Oct 2007 (10:07 UT) a…