NGC 4444
| NGC 4444 | |
|---|---|
| File:NGC 4444.jpg
2MASS image of NGC 4444
|
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| Observation data | |
| Constellation | Centaurus |
| Right ascension | 12h 28m 36.390s[1] |
| Declination | −43° 15′ 42.35″[1] |
| Redshift | 0.009677 [1] |
| Distance | (38.8 ± 5.7 Mpc)[2] |
| Type | SAB(rs)bc[3] |
| Mass | 5.8 × 109[4] M☉ |
| Apparent dimensions (V) | 2′.4 × 1′.6[5] |
NGC 4444 is an intermediate spiral galaxy in the constellation Centaurus. The morphological classification places it midway on the continuum between a barred spiral (SB) and an unbarred spiral (SA), with an inner region that lies between a ring-like (r) and a purely spiral form (s), and medium- (b) to loosely wound (c) outer spiral arms. This makes it a hybrid ringed, barred spiral galaxy.[6] It has an angular size of 2.4 × 1.6 arcminutes[5] and the estimated mass M is given log M = 9.76, yielding 5.8 billion solar masses.[4]
References
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- ↑ 1.0 1.1 1.2 SIMBAD, NGC 4444 (accessed 2011 May 18)
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
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