英文互译镜像站

Sh 2-42

Last updated
Sharpless 2-42
Nebula
A Giant's Funeral Pyre.jpg
Image of Sh 2-42 Nebula
Observation data: epoch
Right ascension 18h 10m 13s
Declination −16° 47′ 49″
Distance4800  ly    (2400 [1]   pc)
Apparent dimensions (V)124" x 118" [2]
Constellation Sagittarius
DesignationsG013.3+01.1, PHR1810-1647, PN G013.3+01.1, NVSS J181011-164724 [3]
See also: Lists of nebulae

Sh 2-42 is a planetary nebula in Sagittarius. It is included in the Sharpless catalogue, however the position indicated by the original catalogue was one arcminute off. He also originally believed it was an emission nebula. Sh 2-42 is surrounded by a faint halo, extending to a diameter of 6' away from the nebula's center. [4]

The nebula is slightly oval, with a well-defined internal structure. NVSS emission peaked in the brightest part of the shell. [5]

References

  1. ↑ "Sh 2-42".
  2. ↑ https://cdsarc.cds.unistra.fr/viz-bin/vizExec/.show?V/127A&G013.3%2b01.1
  3. ↑ "SIMBAD query result".
  4. ↑ "Sh2-42 Planetary Nebula".
  5. ↑ https://academic.oup.com/mnras/article/412/1/223/984937
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.
网页镜像工具 网站备份克隆 百变TDK镜像 量子镜像站群 镜像网站程序