Catalogued OCs in the literature

The UCC currently contains 16385 objects compiled from 44 databases and is regularly updated. The latest version of the UCC catalogue can be found in its Zenodo repository. The latest changes to the UCC can be seen in the Changelog.

Below, we group the OCs in the UCC according to various criteria to facilitate easy exploration.

 


 

Catalogues in the UCC

This table contains all the catalogues used to generate the UCC. The modifications and corrections made to each database before including it in the UCC can be seen here.

ADS Vizier N ADS Vizier N
Dambis (1999) Vizier url 201 Chen et al. (2003) Vizier url 216
Koposov et al. (2008) N/A 11 Glushkova et al. (2010) Vizier url 194
Borissova et al. (2011) Vizier url 96 Kharchenko et al. (2012) Vizier url 2852
Loktin & Popova (2017) Vizier url 1048 Borissova et al. (2018) Vizier url 120
Castro-Ginard et al. (2018) Vizier url 23 Bica et al. (2019) Vizier url 3555
Bossini et al. (2019) Vizier url 265 Castro-Ginard et al. (2019) Vizier url 53
Sim et al. (2019) N/A 207 Liu & Pang (2019) Vizier url 76
Ferreira et al. (2019) Vizier url 4 Cantat-Gaudin et al. (2020) Vizier url 2017
Castro-Ginard et al. (2020) Vizier url 570 Ferreira et al. (2020) Vizier url 25
Hao et al. (2020) N/A 16 Donor et al. (2020) Vizier url 128
Dias et al. (2021) Vizier url 1741 Casado (2021) N/A 20
Ferreira et al. (2021) Vizier url 34 Hunt & Reffert (2021) Vizier url 41
Jaehnig et al. (2021) Vizier url 430 Santos-Silva et al. (2021) Vizier url 15
He et al. (2021) Vizier url 74 Castro-Ginard et al. (2022) Vizier url 628
Tarricq et al. (2022) Vizier url 467 Li et al. (2022) Vizier url 61
He et al. (2022) Vizier url 541 He et al. (2022) Vizier url 836
Hao et al. (2022) Vizier url 703 Perren et al. (2022) Vizier url 24
Chi et al. (2023) Vizier url 46 Chi et al. (2023) Vizier url 82
Chi et al. (2023) Vizier url 1179 He et al. (2023) Vizier url 1656
He et al. (2023) Vizier url 2056 Casado & Hendy (2023) N/A 2
Hunt & Reffert (2023) Vizier url 6806 Qin et al. (2023) Vizier url 101
Li & Mao (2023) N/A 35 Cavallo et al. (2024) Vizier url 6140

Number of members

This table groups the OCs in the UCC in ranges of their estimated number of members parameter N_50. This number is obtained identifying as members those stars with P>50%, where P is the membership probability assigned by the fastMP method.

N_50 N N_50 N
== 0 3531 (0, 25] 1767
(25, 50] 5004 (50, 75] 1995
(75, 100] 1159 (100, 250] 2004
(250, 500] 602 (500, 1000] 228
(1000, 2000] 77 > 2000 18

C3 classification

This table shows the OCs in the UCC grouped by their C3 class.

C3 N C3 N C3 N C3 N
AA 2320 AB 3275 BA 444 AC 1261
CA 245 BB 1328 AD 25 DA 106
BC 1500 CB 1002 BD 96 DB 670
CC 1899 CD 220 DC 1743 DD 251

C3 classification

Duplicated OCs

This table groups the OCs in the UCC by the number of probable duplicates assigned, as explained here.

Probable duplicates N
N_dup = 1 3246
N_dup = 2 785
N_dup = 3 194
N_dup = 4 30
N_dup >= 5 6

OCs per quadrants

This table groups the OCs in the UCC by their position in the Galactic quadrants, given by their (lon, lat) coordinates.

Region lon range lat range N
Q1P: 1st quadrant, positive latitude [0, 90) [0, 90] 1915
Q1N: 1st quadrant, negative latitude [0, 90) (0, -90] 1907
Q2P: 2nd quadrant, positive latitude [90, 180) [0, 90] 1910
Q2N: 2nd quadrant, negative latitude [90, 180) (0, -90] 1796
Q3P: 3rd quadrant, positive latitude [180, 270) [0, 90] 1831
Q3N: 3rd quadrant, negative latitude [180, 270) (0, -90] 2541
Q4P: 4th quadrant, positive latitude [270, 360) [0, 90] 1879
Q4N: 4th quadrant, negative latitude [270, 360) (0, -90] 2606