Retina nebula

from Wikipedia, the free encyclopedia
Planetary nebula
Retinal Nebula
Taken with the Hubble Space Telescope
Taken with the Hubble Space Telescope
AladinLite
Constellation wolf
Position
equinox : J2000.0
Right ascension 14h 22m 26.5s
declination -44 ° 09 ′ 01 ″
Appearance
Apparent brightness  (visual) 10.2 mag 
Apparent brightness  (B-band) 10.6 mag 
Angular expansion 1.77 ′ × 1.77 ′  
Central star
Physical data
distance 1900 ly 
diameter (0.25 × 0.9) Ly
history
discovery DeLisle Stewart
Date of discovery 1899
Catalog names
 IC  4406 •  PK  319 + 15.1 • PN G319.6 + 15.7 •  ESO  272-PN6 •

The Retina Nebula is a planetary nebula in the constellation Wolf . The catalog name is IC 4406 .

You can see a toroidal ring that can be seen from the side from Earth. This is interspersed with fine black lines (therefore retina), which form the border area between the gas and dust clouds emitting in the visible light and in the radio range.

Web links

Commons : Category: IC 4406  - Album with pictures, videos and audio files

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. ^ SEDS : IC 4406