IC 4756 is a large bright open cluster in the constellation Serpens. Known as Graff's Cluster, it is bright enough to be seen with the naked eye and considered...
5 KB (473 words) - 07:52, 14 May 2023
post-blue straggler in the open cluster IC 4756 that contains a large excess of lithium. HD 172189, also located in IC 4756, is an Algol variable eclipsing binary...
119 KB (11,793 words) - 02:41, 17 July 2024
telescopes. NGC 6633 is also known as the Tweedledum Cluster (paired with IC 4756 as Tweedledee), also as the Captain Hook Cluster and the Wasp Cluster....
3 KB (309 words) - 01:02, 16 June 2024
Evolution in Five Intermediate-age Clusters: NGC 2360, 2423, 5822, 6811, and IC 4756". Astronomy and Astrophysics. 273 (1): 61–72. Bibcode:1990A&A...237...61M...
59 KB (6,873 words) - 16:08, 17 July 2024
NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
4 KB (282 words) - 16:23, 24 May 2024
53 45' 3.9 IC 4756 18h 39.0m −05° 27′ Serpens 330 500 40' 4.6 NGC 2516, Southern Beehive Cluster 07h 58.0m −60° 48′ Carina 346 141 30' 3.8 IC 4665 17h 46...
34 KB (1,622 words) - 22:35, 16 July 2024
NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
5 KB (421 words) - 13:09, 14 June 2024
NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
14 KB (1,105 words) - 19:27, 16 July 2024
Evolution in Five Intermediate-age Clusters: NGC 2360, 2423, 5822, 6811, and IC 4756" (PDF). Astronomy and Astrophysics. 273 (1): 61–72. Bibcode:1990A&A...237...
6 KB (531 words) - 21:07, 28 June 2023
NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
13 KB (974 words) - 19:56, 18 July 2024