A1D3.4
Lead Beneficiary: UNIGRAZ
Beneficiaries involved: OBSPARIS
Due Date: month 30
Contents |
Goal
Development of a Ca-II K telescope and improvement of the H-alpha flare patrol telescope system at Kanzelhöhe observatory (UNIGRAZ). Development of a new set of full disk imaging instruments (multi channel heliograph) in order to make observations of the solar chromosphere (OBSPARIS). High cadence observations in H-Alpha and Ca-II K will be put at disposal to all participants.
Successes
Kanzelhöhe (UNIGRAZ)
The new H-alpha CCD camera at Kanzelhöhe Observatory is undergoing more extensive testing for enhancement of performance.
The first steps in order to set up the new Ca-K telescope at Kanzelhöhe were the selection of the filter bandwidth and choice of the optimum configuration for the observing system. A research on existing Ca-K observing systems was done (PSPT-Hawaii, Hinode satellite, ChroTel, Paris Meudon, NSO/SP, Mt. Wilson Obs., Kodaikanal Obs. India, VTT Teneriffe), in coordination with the science question that arose in the frame of the SOTERIA project (chromosphere in general and flare observations). After stock taking we have chosen 1) the configuration of the observing system to be similar as the existing H-alpha system, in order to fully take advantage of the gathered knowledge at Kanzelhöhe, 2) to use a filter bandwidth of 1.5-3 Angstroem which means: a) exposure times can be set short enough (about 5 ms) to keep a good quality of the images; b) contrast of the images is high enough (a broader filter would decrease the contrast); c) Ca emission from the whole chromosphere in order to study flares; d) PSPT and Hinode (ChroTel in the near future as well) observe in the same filter bandwith, i.e. a direct comparison of observations is possible and network activities with RISE PSPT might be established (12 hours time difference to Hawaii).
The camera for the Ca-K system is a Pulnix TM-4200GE with a gigabit ethernet interface. It is a 4 MPix 12bit CCD-Camera, the same as for the high resolution H-alpha imaging system that works since 2008 at Kanzelhöhe. The next steps will be to configure the camera (acquisition rate, dark current and flat field images). Progress status: approximate 30%
The Ca-II K data will be delivered to the SOTERIA consortium via an Internet data server. The status on the development of the online database can be found in D6.8.
Persons involved on this deliverable: Wolfgang Otruba, Werner Pötzi, Wolfgang Hirtenfellner, Heinrich Freislich, Manuela Temmer, Astrid Veronig, Arnold Hanslmeier
Meudon (OBSPARIS)
Meudon Observatory delivers systematic observations which are freely available to the Soteria Community, the European Community, and more generally world wide.
Data are available on line at http://bass2000.obspm.fr
DELIVERABLE 1: a new routine for active regions in the G band
G band Full Disk systematic observations, CWL 430.5 nm, FWHM 0.8 nm
Freely available 3 times/day, 10 bits 2K x 2K images, FITS and JPEG This service is operationnal since March 2009
DELIVERABLE 2: a new routine for active regions in CaII H
CaII H Full Disk systematic observations, 396.8 nm, FWHM 0.12 nm
Freely available 3 times/day, 10 bits 2K x 2K images, FITS and JPEG This service is operationnal since May 2009
DELIVERABLE 3: a new routine for active regions in CaII K
CaII K Full Disk systematic observations, 393.4 nm, FWHM 0.14 nm
Freely available 3 times/day, 12 bits 2K x 2K images, FITS and JPEG This service will be operationnal mid October 2009
Persons involved part time: Jean-Marie Malherbe, Isabelle Bualé, Marion Bonafous, Frédéric Dauny, Sylvain Cnudde, Alain Docclo, Sylvain Pau
Exceptional Discoveries
None
Progress so far
Kanzelhöhe (UNIGRAZ)
We have chosen the configuration of the observing system, the bandwidth of the Ca-K filter, and the camera. The next steps will be to configure the camera (acquisition rate, dark current and flat field images) before the telescope will be built. Progress status: approximate 30%
Persons involved on this deliverable: Wolfgang Otruba, Werner Pötzi, Wolfgang Hirtenfellner, Heinrich Freislich, Manuela Temmer, Astrid Veronig, Arnold Hanslmeier
MEUDON (OBSPARIS)
DELIVERABLE 4: High cadence H alpha in progress
The next deliverable (deliverable 4) concerns the full disk H alpha routine, at high cadence, for the monitoring of solar flares (several images/minute). We have ordered in May 2009 a narrow H alpha filter at DayStar, USA, 0.03 nm FWHM. The filter will be delivered in December 2009. We have also ordered a large amount of disk storage (10 tera bytes), in order to keep on line a full year of observations. All data will be available freely, on line, at http://bass2000.obspm.fr, probably mid 2010.
Persons involved part time: Jean-Marie Malherbe, Isabelle Bualé, Marion Bonafous, Frédéric Dauny, Sylvain Cnudde, Alain Docclo, Sylvain Pau
Problem areas
None.
Suggestions for spin-off, collaboration or improvement
None.
