NGC 2174
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NGC 2174 [SII] = Red, H-alpha = Green, [OIII] = Blue |
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| 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 | |
| Radius: | |
| Absolute magnitude (V): | |
| Notable features: | |
| Other designations: | |
| See also: Diffuse nebula, Lists of nebulae | |
NGC 2174 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 6400 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. Retrieved on 2007-01-04.
- ^ 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.
