Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Largest European Solar Telescope Starts Test Operations

19.03.2009
Gregor, the largest European solar telescope recently started test operations. After completion in 2010 Gregor will be able to measure many physical parameters of the sun in before unknown precision. Scientists expect better explanations for solar effects like eruptions or sun spots.

The Gregor Solar Telescope saw sunlight for the first time at 14:55 UT on Thursday, March 12, 2009. This picture shows the image of the Sun on the field stop at the focus of a 1m primary mirror which was installed during the preceding two weeks.

This incident marks the beginning of the final phase of integration of the Gregor telescope and its instruments, which is expected to be completed in summer 2010. This is the first time that the entire optical train of the telescope sees sunlight.

The primary mirror is a silicon carbide mirror which was developed as a demonstrator for a 1m solar space telescope. Its purpose is to perform optical alignment tests and to test the main mirror air cooling system, which is critical for the telescope's operation. It will also serve to set up the first generation of post-focus instruments later this year, as well as the adaptive optics system which compensates imperfections in the image arising from turbulence in the Earth's atmosphere.

Scientific observations will not be made in this test and integration configuration. They require the final 1.5m primary mirror which is currently being fabricated by Zeiss and will be delivered in April 2010. The current 1m mirror has the same focal length as the 1.5m mirror, which is why its integration into the telescope is relatively simple.

Gregor is one of the telescopes at the Teide Observatory of the Instituto Astrofisica de Canarias on Tenerife. It is operated by the Kiepenheuer-Institut für Sonnenphysik on behalf of a consortium of German research institutes, including two institutes of the Leibniz Association - the Kiepenheuer-Institut and the Astrophysical Institute Potsdam.

Contact:
Dr. habil. Hubertus Woehl
Kiepenheuer-Institut fuer Sonnenphysik (KIS)
Schoeneckstr. 6
79104 Freiburg
GERMANY
Phone: +49-761-3198-174 (or -3198-0 secretary)
E-mail: hw@kis.uni-freiburg.de

| Leibniz-Association
Further information:
http://www.leibniz-association.eu
http://www.kis.uni-freiburg.de/~hw
http://www.kooperation-international.de

More articles from Physics and Astronomy:

nachricht NASA detects solar flare pulses at Sun and Earth
17.11.2017 | NASA/Goddard Space Flight Center

nachricht Pluto's hydrocarbon haze keeps dwarf planet colder than expected
16.11.2017 | University of California - Santa Cruz

All articles from Physics and Astronomy >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: A “cosmic snake” reveals the structure of remote galaxies

The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.

Today, astronomers have a pretty accurate idea of how stars were formed in the recent cosmic past. But do these laws also apply to older galaxies? For around a...

Im Focus: Visual intelligence is not the same as IQ

Just because someone is smart and well-motivated doesn't mean he or she can learn the visual skills needed to excel at tasks like matching fingerprints, interpreting medical X-rays, keeping track of aircraft on radar displays or forensic face matching.

That is the implication of a new study which shows for the first time that there is a broad range of differences in people's visual ability and that these...

Im Focus: Novel Nano-CT device creates high-resolution 3D-X-rays of tiny velvet worm legs

Computer Tomography (CT) is a standard procedure in hospitals, but so far, the technology has not been suitable for imaging extremely small objects. In PNAS, a team from the Technical University of Munich (TUM) describes a Nano-CT device that creates three-dimensional x-ray images at resolutions up to 100 nanometers. The first test application: Together with colleagues from the University of Kassel and Helmholtz-Zentrum Geesthacht the researchers analyzed the locomotory system of a velvet worm.

During a CT analysis, the object under investigation is x-rayed and a detector measures the respective amount of radiation absorbed from various angles....

Im Focus: Researchers Develop Data Bus for Quantum Computer

The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to pass quantum information between differently encoded building blocks of a future quantum computer, such as processors and memories. Scientists may use this protocol in the future to build a data bus for quantum computers. The researchers have published their work in the journal Nature Communications.

Future quantum computers will be able to solve problems where conventional computers fail today. We are still far away from any large-scale implementation,...

Im Focus: Wrinkles give heat a jolt in pillared graphene

Rice University researchers test 3-D carbon nanostructures' thermal transport abilities

Pillared graphene would transfer heat better if the theoretical material had a few asymmetric junctions that caused wrinkles, according to Rice University...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Ecology Across Borders: International conference brings together 1,500 ecologists

15.11.2017 | Event News

Road into laboratory: Users discuss biaxial fatigue-testing for car and truck wheel

15.11.2017 | Event News

#Berlin5GWeek: The right network for Industry 4.0

30.10.2017 | Event News

 
Latest News

NASA detects solar flare pulses at Sun and Earth

17.11.2017 | Physics and Astronomy

NIST scientists discover how to switch liver cancer cell growth from 2-D to 3-D structures

17.11.2017 | Health and Medicine

The importance of biodiversity in forests could increase due to climate change

17.11.2017 | Studies and Analyses

VideoLinks
B2B-VideoLinks
More VideoLinks >>>