Daniel Fischer 貼一個 海王星衛星 Triton 掩星問題

[peter]

Daniel Fischer 

https://twitter.com/cosmos4u

What a central flash during the star occultation by #NeptunesMoon #Triton a week ago! Recorded in Portugal by R. Goncalves and M. Ferreira.

為何出現那一根? 



http://www.skyandtelescope.com/astronomy-news/observing-news/neptunes-moon-triton-occult-star/

[peter]

https://hubble.mit.edu/occstar.html

Triton Occultation - 2017 October 5


===

http://www.iota-es.de/

Transcontinental Occultation of a 12m4 star UCAC4 410-143659
by Triton on the 5th/6th of Oct 2017 around 23h50 UTC.
Visible from USA and large parts of Europe





http://sci.esa.int/gaia/59632-occultation-of-a-star-by-triton/



衛星大氣產生的嗎?

[peter]

http://www.skyandtelescope.com/astronomy-news/surprising-results-from-octobers-triton-occultation/



A sampling of chords showing the disappearance (left edge) and reappearance (right edge) of the star occulted by Neptune's large moon, Triton, on October 5, 2017.
Brad Timerson / IOTA

[peter]

http://sci.esa.int/gaia/60015-central-flash-during-triton-occultation/