NGC 2174
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| NGC 2174 | |
|---|---|
 Stellar nursery NGC 2174 by HST Credit: ESA/Hubble & NASA |
|
| Observation data: J2000 epoch | |
| Type | Emission |
| Right ascension | 06h 09.7m[1] |
| Declination | +20° 30′[1] |
| Distance | 6,400 ly (2,000 pc)[citation needed] |
| Apparent magnitude (V) | 6.8[citation needed] |
| Apparent dimensions (V) | 40′[citation needed] |
| Constellation | Orion |
| Physical characteristics | |
| See also: Diffuse nebula, Lists of nebulae | |
NGC 2174 (also known as Monkey Head Nebula) is an H II[1] emission nebula located in the constellation Orion and is associated with the open star cluster NGC 2175.[1] It is thought to be located about 6,400 light-years away from Earth. The nebula may have formed through hierarchical collapse.[2]
[edit] References
- ^ a b c d "SIMBAD Astronomical Database". Results for NGC 2174. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+2174&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id. Retrieved 2011-07-13.
- ^ Cotera, A.; Hester, J.; Healy, K.; Snider, K.; Simpson, J.; Whitney, B. (2006). "Using Spitzer IRAC observations to Compare Modes of Star Formation in G305.35+0.7 and NGC 2174/5". Triggered Star Formation in a Turbulent ISM, International Astronomical Union. Symposium no. 237, held 14–18 August 2006 in Prague, Czech Republic, S237, #98. Bibcode 2006IAUS..237E..98C.[dead link]
