UBC 163

Click to load Aladin Lite
0.66 UTI
0.68
CN
1.0
Cdens
0.75
CC3
0.44
Clit
1.0
Cdup
Radius (P>50% members) 6.0 [arcmin]
  • CN 0.68 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.44 Poorly studied
  • Cdup 1.0 Unique

Overview

â„šī¸
UBC 163 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

â„šī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 330.832 55.639 0.632 -1.984 -3.247 -27.253
Li et al. 2025 330.873 55.643 0.609 -1.958 -3.22 –
Hunt & Reffert 2024 330.886 55.641 0.615 -1.995 -3.216 -21.886
Cavallo et al. 2024 330.828 55.623 0.622 – – –
Hunt & Reffert 2023 330.886 55.641 0.615 -1.995 -3.216 -21.886
Tarricq et al. 2022 330.897 55.639 0.636 -1.985 -3.242 –
Cantat-Gaudin et al. 2020 330.873 55.643 0.609 -1.958 -3.22 –
Castro-Ginard et al. 2020 330.894 55.66 0.606 -1.974 -3.222 –

💡 Note: The UCC values are estimated from its identified members.

Reference Year Dist [kpc] Av [mag] DAv [mag] Age [Myr] [Fe/H] [dex] Mass [Msun] Bfr BSS
Li et al. 2025 1.41 1.48 – 224 0.243 – – –
Hunt & Reffert 2024 – – – – – 544* – –
Cavallo et al. 2024 1.91 1.84 – 129 0.500 – – –
Hunt & Reffert 2023 1.50 1.61 1.57 200 – – – –
Tarricq et al. 2022 1.47 – – 708 – – – –
Cantat-Gaudin et al. 2020 1.53 1.29 – 617 – – – –

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 8237 82.8 330.84 55.64 0.63 -1.99 -3.25 -19.18 0.02
CWWDL 14170 77.0 330.85 55.65 0.64 -2.01 -3.25 -19.18 0.05

💡 Note: The % column shows the percentage of members that UBC 163 shares with each listed object.

Visualization

â„šī¸