ESO-Betelgeuse

Författare/Upphovsman:

ESO/P. Kervella

Tillskrivning:

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Kreditera:

http://www.eso.org/public/images/eso0927b/

Kort länk:

https://www.sewiki.info/b/bce6

Källa:

Wikimedia Commons

Upplösning:

1230 x 1230 Pixel (87613 Bytes)

Beskrivning:

Image of the supergiant star Betelgeuse obtained with the NACO adaptive optics instrument on ESO’s Very Large Telescope. The use of NACO combined with a so-called “lucky imaging” technique, allowed the astronomers to obtain the sharpest ever image of Betelgeuse, even with Earth’s turbulent, image-distorting atmosphere in the way. The resolution is as fine as 37 milliarcseconds, which is roughly the size of a tennis ball on the International Space Station (ISS), as seen from the ground. The image is based on data obtained in the near-infrared, through different filters. The field of view is about half an arcsecond wide, North is up, East is left

Licens:

CC BY 3.0

Licenskommentaren:

http://www.eso.org/public/outreach/copyright.html

Licensvillkor:

Creative Commons Attribution 3.0