Lucia Kleint
(FHNW Switzerland)
21/06/2016, 09:00
A large part of the energy of solar flares goes into
heating, radiation, and mass
motion in the lower solar atmosphere. By combining IRIS data
with different
instruments, such as RHESSI, SDO, and ground-based
telescopes, we can infer the
properties from the photosphere to the corona during flares.
In this talk, I will
give an introduction to flare observations with IRIS. IRIS
data can...
Magnus Woods
(UCL-Mullard Space Science Laboratory)
21/06/2016, 09:30
At 17:48 UT on the 29th of March 2014, NOAA active region (AR) 12017 produced an X1
flare observed simultaneously by an unprecedented number of observatories. Among
these were the Interface Region Imaging Spectrometer (IRIS) and Hinode’s Extreme
Ultraviolet Imaging Spectrometer (EIS), joint observations from which provide an
excellent opportunity to investigate the dynamics of the solar...
Jana Kasparova
(Astronomical Institute of the CAS)
21/06/2016, 09:50
Using numerical RHD code Flarix we simulate the behaviour of MgII lines in the
flaring chromosphere heated by electron beams. This contribution will focus on the
role of partial redistribution, non-thermal collisional rates, and radiative losses.
The role of different types of the temporal heating profiles, e.g. a long duration
heating versus pulse heating will be assessed as well. The...
Arun Kumar Awasthi
(Institute of Astronomy, University of Wroclaw)
21/06/2016, 10:10
The study of continuum enhancement during a flare is of immense interest owing to the
fact that it represents significant fraction of the impulsive energy release and thus
provides useful diagnostics of the energy deposition and emission processes in the
photospheric and chromospheric heights. We study the spatial and temporal evolution
of continuum enhancement (CE) and co-temporal...
Jaime de la Cruz Rodriguez
(Stockholm University)
21/06/2016, 11:15
I will review the current state of non-LTE inversions and
magnetic field inference in
the solar chromosphere.
Tine Libbrecht
(Institute for Solar Physics, Stockholm University)
21/06/2016, 11:45
Ellerman Bombs (EBs) are short-lived emission features observed in the wings of
Balmer lines of hydrogen. So far, no distinct signature of EBs has been found in the
He I λ10830 line, and observations of EBs in He I D3 have never been reported. We aim
to study the signature of EBs in neutral helium triplet lines using SST/TRIPPEL
raster scans, featuring the Hβ, He I D3 and He I λ10830...
Sanja Danilovic
(Max Planck Institute for Solar System Research)
21/06/2016, 12:05
Recent SST observations have given a new definition of Ellerman bombs (EBs). They are
short-lived flame-like features visible in the wings of Halpha, away from the disc
center. EBs seem to be associated with a peculiar combination of signatures in
different observables. Also, they could be placed on, energetically, a low end of the
whole spectrum of events that might have the same physical...
Andres Asensio Ramos
(Instituto de Astrofisica de Canarias)
21/06/2016, 12:25
Solar images obtained in the core of strong chromospheric
lines show fibrils that appear to be tracing the magnetic
field lines. They have been historically used as proxies of
magnetic fields for many purposes. In this work we use a
Bayesian hierarchical model to analyze several tens of
thousands of pixels in spectro-polarimetric chromospheric
images and compare the alignment between the...