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SLOVAKIA IHY 2007 PROGRAM - Science. Vojtech Ru šin, Astronomical Institute, Slovak Academy of Sciences, Tatranská Lomnica, S lovakia and Karel Kudela, Institute of Experimental Physics, Slovak Academy of Sciences, Ko š ice, Slovakia. Sun – the nearest star – central body of the heliosphere

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slovakia ihy 2007 program science

SLOVAKIA IHY 2007 PROGRAM - Science

Vojtech Rušin, Astronomical Institute, Slovak Academy of Sciences, Tatranská Lomnica, Slovakia

and

Karel Kudela, Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia

slide2
Sun – the nearest star – central body of the heliosphere

(A brief report of Slovakia IHY 2007 preliminary scientific program)

astronomical institute slovak academy of sciences
Astronomical Institute, Slovak Academy of Sciences
  • Solar physics department:
  • Patrol measurement of the green (530.3 nm, FeXIV) and red (637.4 nm, FeX) coronal emission lines, short-term oscillations in these lines. It is done at Lomnicky stit coronal station, 2634 m above sea level with a 20 cm coronagraph with spectrograph
  • Monochromatic observations in the green corona will start in the end of 2007
  • Main target: long-term variation of the green corona, time-latitude distribution of the corona brightness, global circulations, magnetic fields, solar cycles
  • Prominences in H-alfa 0.5 nm filter: time-latitudinal observations, CME’s onset, magnetic fields
continued
Continued
  • Eclipse observation of the solar corona
  • Investigation of the solar chromosphere, transition region and corona using satellites (SoHO, TRACE, Hinode) and ground-based telescopes (DOT, SST, VTT)
  • Dynamics and energy transport in the upper solar atmosphere – observational verification of different heating mechanisms
institute of experimental physics of the sas ko ice
Institute of Experimental Physics of the SAS, Košice
  • IEP SAS is running cosmic ray neutron monitor (NM) measurements at Lomnický Štít. The observations of cosmic rays in High Tatras started 50 years ago in connection with IGY
  • The institute participates also in several satellite measurements of energetic particles.
  • IEP SAS participates also in MUSTANG project
  • (see http://www.mustang.uni-greifswald.de
  • Cosmis rays: useful tool to studysolar flares, CME’s, solar cycle variability, space weather effect, etc.
slide6

Current status of cosmic ray measurements:

8NM64 neutron monitor (NM) measures continuously cosmic rays at LomnickýŠtít with high statistical acurracy (average count rate ~440 s-1). This allows to detect small variations of primary cosmic rays on the ground.

Data available in real time athttp://neutronmonitor.ta3.sk

More informations at: http://space.saske.sk

Recent GLE 70: acceleration to >4 GV indicated by Lomnický Štít NM with 1min resolution.

other solar observatories in slovakia
Other solar observatories in Slovakia
  • Comenius University at Bratislava (observations of flares and filaments at Modra/Piesky Observatory)
  • Slovak central Observatory, Hurbanovo (high spectral resolutions of photosphere and chromosphere, prominences, flares, sunspots)
  • Observatory Rimanská Sobota (prominences, sunspots)
  • Observatory Prešov (sunspots)
meetings planned
Meetings (planned)
  • IEP SAS: 50 years of cosmic ray measurements and 30 years of energetic particle measurements on satellites seminar (Košice/T.Lomnica September 12-13, 2007)
  • IEP SAS with other institutions in Slovakia: European Cosmic Ray Symposium, September 12-15, 2008 in Košice
  • Sun/Earth relations, May 2008, program under discussion
  • Many local workshops and meetings, especially for public
thank you for your atention
Thank you for your atention
  • Presented at IHY Science Meeting, Vienna, February 20, 2007
  • More IHY Slovakia at http://ihy/saske.sk