NGC 4444

NGC 4444
DSS image of NGC 4444
Observation data (J2000 epoch)
Constellation	Centaurus
Right ascension	12^h 28^m 36.419^s^[1]
Declination	−43° 15′ 42.15″^[1]
Redshift	0.009771^[1]
Heliocentric radial velocity	2915 km/s^[1]
Distance	(38.8 ± 5.7 Mpc)^[2]
Characteristics
Type	SAB(rs)bc^[3]
Mass	5.8 × 10⁹^[4] `M`_☉
Apparent size (V)	2′.4 × 1′.6^[5]
Other designations
MCG -07-26-007, PGC 41043^[1]

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

^ ^a ^b ^c ^d ^e "NGC 4444". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-04.
^ "Distance Results for NGC 4444". NASA/IPAC Extragalactic Database. Retrieved 2011-05-11.
^ "NASA/IPAC Extragalactic Database", Results for NGC 4444, retrieved 2011-05-11
^ ^a ^b Koribalski, B. S.; et al. (July 2004). "The 1000 Brightest HIPASS Galaxies: H I Properties". The Astronomical Journal. 128 (1): 16–46. arXiv:astro-ph/0404436. Bibcode:2004AJ....128...16K. doi:10.1086/421744. S2CID 16229767.
^ ^a ^b Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
^ Keel, William C. (August 2009). "Galaxy Classification". Galaxies and the Universe. Retrieved 2011-05-20.

External links

Media related to NGC 4444 at Wikimedia Commons

New General Catalogue 4000 to 4499

Constellation of Centaurus

Stars

Bayer	α A (Rigil Kentaurus) B (Toliman) C (Proxima Centauri) β (Hadar) γ (Muhlifain) δ ε ζ (Alnair) η θ (Menkent) ι κ λ μ ν ξ¹ ξ² ο¹ ο² π ρ σ τ υ¹ υ² φ χ ψ
Flamsteed	1 (i) 2 (g) 3 (k) 4 (h)
Variable	R T U V Y RR SV SX BV DY UY V346 V744 V752 V761 (a) V763 (C¹) V766 V779 V803 V810 V816 (Przybylski's Star) V831 V842 V885 V886 V863 V945 (H) V1032 V1369 V1400
HR	4460 (A) 4466 (C²) 4476 (C³) 4499 4522 4523 4537 (j) 4546 (B) 4620 (E) 4652 (D) 4682 (F) 4712 (x¹) 4721 4724 (x²) 4732 (G) 4748 (u) 4796 4817 (l) 4831 (w) 4874 (p) 4888 (e) 4889 (n) 4940 (f) 4979 4989 5006 (r) 5035 (J) 5041 (m) 5071 (K) 5089 (d) 5141 (Q) 5172 (M) 5174 (z) 5207 (N) 5222 (y) 5224 5241 5297 5358 (v) 5371 5471 (b) 5485 (c¹) 5489 (c²)
HD	97413 98176 100453 101930 102117 (Uklun) 103197 107914 108236 109749 110113 113538 113766 114386 114729 115600 116434 117207 117618 (Dofida) 121228 121504 124448 125072 125595 131399
Other	2MASS J1126−5003 2M1207 Gaia BH2 GJ 3737 J1407b PSR B1259−63/LS 2883 PSR J1311–3430 WASP-15 (Nyamien) WASP-41 WASP-42 WASP-167/KELT-13

Exoplanets	2M1207b b Centauri b HD 102117 b HD 103197 b HD 109749 b HD 101930 b HD 113538 b c HD 114386 b HD 114729 b HD 117207 b HD 117618 b HD 121504 b HIP 65426 b HIP 67522 b Proxima Centauri b c d WASP-15b

Star clusters	IC 2944 NGC 3766 NGC 4230 NGC 5286 NGC 5281 NGC 5316 NGC 5460 NGC 5617 NGC 5662 ω Scorpius–Centaurus association Stock 16

Nebulae	Boomerang Nebula Fleming 1 G292.0+1.8 IC 2944 NGC 3918 NGC 5307 RCW 79 Southern Crab Nebula SN 185 (RCW 86) SuWt 2

Galaxies

NGC	3783 4444 4603 4622 4650A 4683 4696 4706 4709 4729 4730 4743 4744 4945 4976 5011 A 5026 5090 5091 5102 5114 5128 (Centaurus A) 5161 5253 5291 5398 5408 5419
Other	ESO 269-57 ESO 325-G004 ESO 383-76 ESO 444-46 Fourcade-Figueroa Object IRAS 13224-3809 PKS 1144-379 PKS 1353−341 PKS 1424-418

Galaxy clusters	Abell S740 Shapley Supercluster

Astronomical events	SN 185 SN 1895B SN 1986G

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