Butterfly nebula
Planetary Nebula M2-9 / Butterfly Nebula |
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The Butterfly Nebula captured by the Hubble Space Telescope . | |
AladinLite | |
Constellation | Snake bearer |
Position equinox : J2000.0 |
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Right ascension | 17h 05m 38s |
declination | -10 ° 08 ′ 35 ″ |
Appearance | |
Apparent brightness (visual) | 14.7 mag |
Apparent brightness (B-band) | (12.59 ± 0.22) mag |
Angular expansion | 1.9 ′ × 0.3 ′ |
Central star | |
Physical data | |
Radial velocity | +87.5 km / s |
distance | approx. 2100 ly (approx. 650 pc ) |
diameter | 0.7 ly |
history | |
discovery | Rudolph Minkowski |
Date of discovery | 1947 |
Catalog names | |
PK 010 + 18.2 • M2-9 • IRAS 17028-1004 |
The Butterfly Nebula , also known as M2-9 , is a galactic planetary nebula in the constellation Serpent Bearer and is approximately 2100 light-years from Earth . The planetary nebula was discovered by the German-American astronomer Rudolph Minkowski in 1947 . Images from the Hubble Space Telescope from 1997 reveal fine gas structures moving away from the star at a speed of over 1,600 km / s.
See also
Web links
- Hubble Space Telescope
- GoBlack
- M2-9: Wings of a Butterfly Nebula - Astronomy Picture of the Day from June 12, 2005 (English).
- Capella Observatory
- The evolving morphology of the bipolar Nebula M2-9
- SIMBAD query
- NASA / IPAC EXTRAGALACTIC DATABASE