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सारांश

वर्णन
English: With its helical appearance resembling a snail’s shell, this reflection nebula seems to spiral out from a luminous central star in this new NASA/ESA Hubble Space Telescope image. The star in the centre, known as V1331 Cyg and located in the dark cloud LDN 981 — or, more commonly, Lynds 981 — had previously been defined as a T Tauri star. A T Tauri is a young star — or Young Stellar Object — that is starting to contract to become a main sequence star similar to the Sun. What makes V1331 Cyg special is the fact that we look almost exactly at one of its poles. Usually, the view of a young star is obscured by the dust from the circumstellar disc and the envelope that surround it. However, with V1331 Cyg we are actually looking in the exact direction of a jet driven by the star that is clearing the dust and giving us this magnificent view. This view provides an almost undisturbed view of the star and its immediate surroundings allowing astronomers to study it in greater detail and look for features that might suggest the formation of a very low-mass object in the outer circumstellar disc.
दिनांक
स्रोत http://spacetelescope.org/images/potw1509a/
लेखक ESA/Hubble, NASA, Karl Stapelfeldt (GSFC), B. Stecklum and A. Choudhary (Thüringer Landessternwarte Tautenburg, Germany)

परवाना:

w:en:Creative Commons
रोपण
रोपण
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w:en:Creative Commons
रोपण
This file is licensed under the Creative Commons Attribution 4.0 International license.
रोपण: ESA/Hubble
तुम्ही मुक्त आहात.
  • सामायिक करा – नक्कल, वितरण आणि पारेषित करण्यास
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depicts इंग्रजी

V1331 Cygni इंग्रजी

T Tauri-type star इंग्रजी

reflection nebula इंग्रजी

copyright status इंग्रजी

copyrighted इंग्रजी

२ मार्च 2015

checksum इंग्रजी

1946a73186c13a59b5ac705cb82328298b26b0fa

data size इंग्रजी

१,९२,७९० byte

७१८ चित्रपेशी

७१६ चित्रपेशी

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