NGC 869 (also known as h Persei) is an open cluster located 7460 light years away in the constellation of Perseus. The cluster is about 14 million years...
4 KB (364 words) - 23:05, 28 October 2024
Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively), which...
9 KB (944 words) - 21:52, 24 February 2024
constellation of Perseus. It is the easternmost of the Double Cluster with NGC 869. NGC 869 and 884 are often designated h and χ Persei, respectively. The cluster...
4 KB (426 words) - 20:48, 24 February 2024
NGC 869 is a Shapley class f and NGC 884 is a Shapley class e cluster. These classifications indicate that they are both quite rich (dense); NGC 869 is...
45 KB (5,209 words) - 14:23, 17 August 2024
objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier catalogue was actually compiled...
33 KB (740 words) - 00:17, 23 August 2024
Persei (NGC 884) and h Persei (NGC 869) as well as the star clusters NGC 654, NGC 663, NGC 581 (Messier 103), NGC 457, NGC 225, NGC 7788, NGC 7790, NGC 7789...
40 KB (4,852 words) - 14:11, 25 October 2024
The best known example in the Milky Way is the Double Cluster of NGC 869 and NGC 884 (also known as h and χ Persei), but at least 10 more double clusters...
52 KB (6,312 words) - 03:50, 18 October 2024
hypergiant located near the Double Cluster in Perseus, north of the cluster NGC 869. It is a member of the Perseus OB1 association and one of the largest known...
16 KB (1,627 words) - 13:23, 29 August 2024
the constellation Perseus. It is centered around the double cluster (NGC 869 and NGC 884), and has lent its name to the Perseus Arm of the Milky Way. The...
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photometric search for peculiar stars in open clusters. V. NGC 2099, NGC 3114, NGC 6204, NGC 6705 and NGC 6756". Astronomy and Astrophysics. 412 (3): 721–725...
34 KB (1,622 words) - 22:35, 16 July 2024