Butterfly nebula
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Planetary Nebula M2-9 / Butterfly Nebula |
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| The Butterfly Nebula captured by the Hubble Space Telescope . | |
| AladinLite | |
| Constellation | Snake bearer |
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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