Avantes 2017 Eclipse Team

Avantes 2017 Eclipse Team
Avantes 2017 Eclipse Team
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Monday, 31 July 2017

Avantes is sending delegates to an official ground-based observation post along the North American Eclipse 2017 path of totality. Researchers and scientists from the National Science Foundation (NSF), National Aeronautics and Space Administration (NASA), and National Center for Atmospheric Research (NCAR) will be conducting experiments from a station in Casper, Wyoming. Aided with information from citizen scientists from across the country, the eclipse will provide an unprecedented opportunity for research and data collection.

Avantes engineers will be on-hand in Casper, Wyoming to witness the event from the incident path and support the researchers using Avantes equipment in experiments observing the Sun’s corona and magnetosphere.

 Eclipse 2017

A full solar eclipse, where the moon aligns directly between the Earth and the sun is a rare opportunity for researchers and solar observers. During the occultation (when the sun is hidden behind the moon) the sun’s corona will be visible. This region of the sun, usually hidden in the sun’s glare, is a dynamic region that researchers are very interested in.

The eclipse in 2017 is special because it will be visible across most of the country, the next total solar eclipse that will offer such widespread viewing opportunities will be in 2045.


Map of the solar eclipse 2017 USA OSM Zoom1

Path of Totality

The highly anticipated celestial event takes place August 21st traveling in a path from Oregon to South Carolina. While the eclipse will be at least partially visible to much of the continental United States, the path of totality is an approximately 70 mile-wide stretch directly beneath the path of the sun. Observers in the path of totality will be able to witness the full eclipse for up to about two and half minutes and will experience the twilight created by the passing moon’s shadow. It will take an estimated ninety minutes for the eclipse to traverse the continent.

Coronal Layer

magnetosphere2The dynamic region of the sun’s outer atmosphere is an aura of plasma extending millions of kilometers into space. This plasma is hundreds of times hotter than the sun’s surface, a phenomenon that is still a mystery to researchers. But because the corona is less dense, it emits less light, making it difficult to distinguish when observing from the Earth’s surface except during an Eclipse.

The Coronal layer is an active region comprised of charged particles that react to the sun’s magnetic fields to loop and swirl. During solar storms or coronal mass ejections, particles excited by these magnetic fields are hurled so fast that they escape the gravity of the sun. These solar winds are flung into the solar system, buffeting the Earth’s atmosphere and affecting satellites, communications, and GPS systems.

Spectroradiometric Solar Experiments

Avantes will lend researchers three spectrometers to use in solar observations allowing the collection of broad spectrum data during the eclipse. The AVASPEC-ULS2048CL-RS-USB2-INC4 will cover 300-1100 nm, getting data for both the visible and UV range. The Avantes AvaSpec-NIR-256-1.7 will measure the near infrared from 950-1700 nm, and the AVASPEC-NIR512-2.5-HSC-EVO will extend measurements to the 1000-2500 nm wavelength range. To learn more about the eclipse experiments or to get information about these products, contact your sales engineer today.

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Observing the Eclipse

Looking directly at the sun can damage your eyes, even during a solar eclipse. Viewing the eclipse requires the use of special viewing goggles or a pinhole camera, like these eclipse viewers you can build yourself.  For more information on where you can view the eclipse, visit Eclipse2017.org.