IRAS 09371 + 1212
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Protoplanetary nebula IRAS 09371 + 1212 |
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| Shot of the Hubble Space Telescope's Advanced Camera for Surveys | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 |
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| Right ascension | 09h 39m 53.6s |
| declination | + 11 ° 58 ′ 54 ″ |
| Appearance | |
| Apparent brightness (visual) | 11 likes |
| Angular expansion | 25 ″ |
| Central star | |
| Physical data | |
| distance | 10,000 ly (3000 pc ) |
| history | |
| Catalog names | |
| IRAS 09371 + 1212 | |
IRAS 09371 + 1212 (also known as Frosty Leo Nebula , which translates as icy nebula in the [constellation] Leo ) is a bipolar protoplanetary nebula that is around 10,000 light years away in the constellation Leo . It is (as of 1990) the only nebula whose infrared light is determined by ice.
Web links
- astronews.com: Picture of the day January 20, 2012
Individual evidence
- ↑ a b Davis et al .: Near-infrared echelle spectroscopy of protoplanetary nebulae: probing the fast wind in H 2 , Monthly Notices of the Royal Astronomical Society 360 (1): 104–118 (2005)
- ↑ Beuzit et al .: Adaptive optics imaging of the Frosty Leo nebula , Astronomy and Astrophysics 291 (1): L1-L4 (1994)
- ↑ Omont et al .: Observations of 40-70 micron bands of ice in IRAS 09371 + 1212 and other stars , The Astrophysical Journal 355: L27-L30 (1990)
- ^ Morris, Mark; Reipurth, Bo (April 1990), The optical form of the bipolar preplanetary nebula IRAS 09371 + 1212 , Astronomical Society of the Pacific, Publications ( ISSN 0004-6280 ) 102: 446-453, bibcode : 1990PASP..102..446M .