Morning (9h00-12h30)

Afternoon (14h30-18h00)


Sun, 8 Oct


Arrival, 18h00-20h00: Registration and welcome drink

Meeting of the SOC/LOC

Mon, 9 Oct

Historical Session:
Coimbra spectroheliograph
Session 1: Structure and dynamics of the solar chromosphere

Session 1: Structure and dynamics of the solar chromosphere

Welcome reception + opening ceremony of the historical exhibition

Tue, 10 Oct

Session 1: Structure and dynamics of the solar chromosphere
Excursion: University’s Patio
Poster session

Session 2: Active regions and sunspots


Wed, 11 Oct

Session 3: Prominences and filaments

Excursions: Spectroheliograph at Astronomical Observatory; Conimbriga – ruins of the ancient roman town


Thu, 12 Oct

Session 4: Chromospheric flares
Poster session

Session 4: Chromospheric flares

Conference dinner

Fri, 13 Oct

Session 5: Long-term variations

Session 6: New solar instrumentation

Meeting of the SOC/LOC



Sunday, 8 October

Arrival, 18.00 -20.00: Registration and welcome drink
Meeting of the SOC/LOC

Monday, 9 October

Morning ( 9.00 -12.30 )

Welcome addresses

Historical session:
Chairperson: P. Heinzel

Fransisco Costa Lobo and the Coimbra spectroheliograph - A. Soares Alves (OUAC)
80 Years of Solar Astrophysics in Coimbra - Z. Mouradian (France) and A. Garcia (Portugal)

Coffee break  10.20 – 10.50

Session 1: Structure and dynamics of the solar chromosphere
Chairperson: M. Carlsson

Key-note 1: Observational aspects of the chromosphere - R. J. Rutten (Netherlands)

A. G. de Wijn,  B. De Pontieu, R.J. Rutten: Multi-wavelength observations of chromospheric and transition region structures
G. Tsiropoula, K. Tziotziou, P. Heinzel, U. Schühle, and P. Young: Multiwavelength analysis of a solar quiet region
G. Cauzzi: Acoustic shocks in the quiet chromosphere

12.30 – 14.30  Lunch

Afternoon ( 14.30 -18.00 )

Session 1: Structure and dynamics of the solar chromosphere
Chairperson: R. J. Rutten

Key-note 2: High resolution observations and modelling of chromospheric spicules -
B. de Pontieu (USA), V. Hansteen, L. Rouppe van der Voort, M. van Noort, M. Carlsson

Ø. Langangen, M. Carlsson, L. R. van der Voort, V. Hansteen: High spatial resolution spectroscopy of the solar chromosphere
O. Steiner and S. Wedemeyer-Böhm: What is heating the quiet-Sun chromosphere?
R. Erdélyi: Trapped eigenoscillations in the lower solar atmosphere: is there a resonant coupling ?

Coffee break  16.10 - 16.40

J. Trujillo Bueno, R. Ramelli, L. Merenda and M. Bianda: The magnetic field of solar chromospheric spicules
A. Pietarila, H. Socas-Navarro and Th. J. Bogdan: The Ca IR triplet as a diagnostic for chromospheric magnetism
R. Manso Sainz and J. Trujillo Bueno: Scattering polarization in the Ca II IR triplet for the diagnostics of the solar chromosphere
A. Asensio Ramos and J. Trujillo Bueno: A user-friendly code for the diagnostics of the dynamical and magnetic properties of chromospheric plasma structures


Evening ( 19.00 )

Welcome reception at the old Coimbra University

Tuesday, 10 October

Morning ( 9.00 -.12.30 )

Session 1: Structure and dynamics of the solar chromosphere
Chairperson: J. Trujillo Bueno

Key-note 3: Chromospheric modelling - M. Carlsson (Norway)

E.H. Avrett: New models of the solar chromosphere and transition region determined from SUMER observations
A.Title and B. de Pontieu: Coupling of the magnetic field to the outer atmosphere
J. Leenaarts: Non-equilibrium hydrogen ionization in 3D simulations of the solar chromosphere

Coffee break  10.40 – 11.10

Poster viewing

12.30 – 14.30  Lunch

Afternoon ( 14.30 -18.00 )

Session 2: Active regions and sunspots
Chairperson: G. Tsiropoula

Key-note 1: Semiempirical models of solar and stellar active chromospheres - P. Mauas

M. Sobotka and T. Roudier: Horizontal motion of granules in the vicinity of sunspots
G. Rüdiger, L. L. Kitchatinov: Structure and evolution of sunspots

Coffee break  16.10 - 16.40

Key-note 2: Chromospheric cloud-model inversion techniques - K. Tziotziou (Greece)

E. Pariat, B. Schmieder, A. Berlicki, A. López Ariste: Spectro-photometry of Ellerman bombs observed with THEMIS
H. Balthasar, P. Gömöry, M. Sánchez Cuberes, V. Bommier: The three-dimensional structure of sunspots

Evening ( 20.00 )
Public lecture: B. Schmieder: Our active Sun controls the space weather


Wednesday, 11 October

Morning ( 9.00 -12.30 )

Session 3: Prominences and filaments
Chairperson: B. Schmieder

Key-note 1: The fine structure of solar prominences - P. Heinzel (Czech Republic)

N. Labrosse, P. Gouttebroze, J.-C. Vial: Spectral diagnostics of active prominences
S. Gunár, B. Schmieder, P. Heinzel: Prominence parameters derived by 2D modeling from hydrogen Lyman series measured by SOHO/SUMER
S. Koutchmy and P. Lamy: Old and new aspects of the prominence physics from coronal observations

Coffee break  10.40 – 11.00

Key-note 2: Unveiling the magnetic topology of prominences - A. López Ariste (France)

L. Belluzzi, E. Landi Degl’Innocenti, and J. Trujillo Bueno: Spectropolarimetry of the D lines of alkali atoms
D.H. Mackay and A.A. van Ballegooijen: Modeling of the hemispheric pattern of filaments

12.20 – 13.20  Lunch

Afternoon ( 13.20 -19.00 )

Excursions:      Biblioteca Joanina, the old library of the University of Coimbra.
                        Conimbriga – ruins of the ancient roman town
Spectroheliograph – Coimbra Astronomical Observatory

Evening ( 20.00 )
Public lecture:  S. Solanki: Variations of the Sun's activity and brightness: are they causing global climate change?

Thursday, 12 October

Morning ( 9.00 -12.30 )

Session 4: Chromospheric flares
Chairperson:  W. Curdt

Key-note 1: The chromosphere and flare energy - H. Hudson (USA)

M.D. Ding: The origin of solar white-light flares
B. Joshi, P. K. Manoharan, A. M. Veronig and P. Pant: Radio, H-alpha and RHESSI investigations of an X-class flare and associated CME near the Sun and in the interplanetary medium
L. Fletcher, I. G. Hannah, H.S.Hudson, T. R. Metcalf: A TRACE white light and RHESSI HXR study of flare energetics

Coffee break  10.40 – 11.10

Key-note 2: Observations and modelling of line asymmetries in chromospheric flares
- A. Berlicki (Poland)

C. Sasso, A. Lagg, S. K. Solanki: Observations and analysis of the full Stokes vector in a flaring region in the HeI 1083.0 nm multiplet
M. Varady, M. Karlický, J. Kašparová: Return current and the energy deposit in flares

12.30 – 14.30  Lunch

Afternoon ( 14.30 -18.00 )

Session 4: Chromospheric flares
Chairperson: L. Fletcher

L.K. Kashapova, P. Kotrč, and Yu. A. Kupryakov: Diagnostics of acceleratedparticle beams
by spectral observations in Balmer series lines
H. Li and J. You: Spectroscopic property of solar flares in different lines
W. Curdt and R. Landi: On the unidirectionality of SUMER hot loop oscillation events: evidence for DC-heating
V. Andretta, P. J. D. Mauas,  A. Falchi, L. Teriaca: Spectroscopic measurements of helium abundance in an active region

Coffee break  16.10 - 16.40

Poster viewing

Evening ( 20.00 )
Conference dinner in the "Palácio S. Marcos", an old Portuguese edifice located 20 km from Coimbra.
Friday, 13 October

Morning ( 9.00 -12.30 )

Session 5: Long-term variations
Chairperson: I. Dorotovič

Key-note 1: Global variations of the chromospheric irradiance - S. Solanki (Germany)

I. Ermolli, A. Tlatov, S.K. Solanki, N.A. Krivova: Solar activity and irradiance studies with Ca II spectroheliogram time series: Potential problems and possible solutions
J. Vilinga and S. Koutchmy: Solar cycle variations of the chromospheric prolateness
N. Vitas, I. Vince, S. Danilovič, and O. Andriyenko: Is the solar Mn I 539.4 nm line variation really explained ?

Coffee break  10.40 – 11.10

Key-note 2: Magnetic heating of the chromosphere and its relationship with long term trends
J. Fontenla (USA)

J. Aboudarham, I. Scholl, M. Fouesneau, M. Galametz, F. Gonon,  A. Maire, Y. Leroy: A new   step in the automation of Meudon's Synoptic Map of Solar Activity
C. Denker, M. Naqvi, N. Deng, A. Tritschler: The Synoptic Observing Program at Big Bear Solar Observatory

12.30 – 14.30  Lunch

Afternoon ( 14.30 -18.00)

Session 6: New solar instrumentation
Chair: J.-C. Vial

A. Vourlidas: Chromospheric science with the STEREO mission
A. Title: The AIA Instrument System
B. Fleck and R. Marsden: Solar Orbiter - a mission update
S. Keil, H. Uietenbroek, T. Rimmele, J. Wagner & the ATST Team:The Advanced Technology Solar Telescope Status Report
R. J. Rutten and R. H. Hammerschlag: Options for the Dutch Open Telescope                   

Coffee break  16.10 - 16.40

B. Gelly: THEMIS: instrumentation and strategy for the future
H. Balthasar: GREGOR - the new German solar telescope
A. Feller, R. Ramelli, J.O. Stenflo, D. Gisler: First measurement of the polarization of the flash spectrum during a total solar eclipse
P. Kotrč: The modernized solar optical spectrograph at the Ondřejov observatory

Conclusions of the meeting

Meeting of the SOC/LOC