| NGC 1444 | |
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NGC 1444 imaged by the Sloan Digital Sky Survey
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| Observation data (J2000 epoch) | |
| Right ascension | 03h49m 23.8s[1] |
| Declination | +52° 29′ 24″[1] |
| Distance | 4.2 kly (1.3 kpc)[1] |
| Physical characteristics | |
| Estimated age | 7.08 Myr[1] |
| Other designations | Cr 43, C 0345+525, OCL 394[2] |
| Associations | |
| Constellation | Perseus |
| See also: Open cluster, List of open clusters | |
NGC 1444 is a small open cluster of stars in the northern constellationofPerseus, about 2-1⁄4° to the northwest of 43 Persei.[3] It has an angular diameterof4 arcminutes and a brightness of 6.60 in visual magnitude. The cluster has sixty members of seventh magnitude or fainter, and is better appreciated in larger telescopes.[3] NGC 1444 was discovered on 18 December 1788 by the German-British astronomer William Herschel.[4][5][6] It is located at a distance of 4,200 light-years from the Sun and is about 7.1[1] million years old. The cluster has a physical core radius of 1.73 ± 0.42 ly and a tidal radius of 17.4 ± 4.2 ly.[1] The most prominent member is the triple star system Σ446, with a magnitude 6.7 primary.[7] The cluster is a member of the Camelopardalis OB1 association.[7]
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