UBC 1289
0.38
UTI
0.66
CN
0.48
Cdens
0.5
CC3
0.13
Clit
1.0
Cdup
Nm (P>50%)
82
Core radius and density
2.1 [pc], 2.4 [pc-2]
- CN 0.66 Moderately populated
- Cdens 0.48 Loose
- CC3 0.5 Intermediate quality
- Clit 0.13 Rarely studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
UBC 1289 is a moderately populated, loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is rarely studied in the literature.
Note: This object shares a moderate percentage of members with a later reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 85.463 | 29.401 | 0.461 | 0.54 | -3.53 | -11.566 |
| Yang et al. | 2025 | 85.485 | 29.402 | â | â | â | â |
| Zhang et al. | 2024 | 85.484 | 29.402 | â | â | â | â |
| Hunt & Reffert | 2024 | 85.485 | 29.402 | 0.453 | 0.514 | -3.524 | -9.361 |
| Cavallo et al. | 2024 | 85.463 | 29.393 | 0.456 | â | â | â |
| Hunt & Reffert | 2023 | 85.485 | 29.402 | 0.453 | 0.514 | -3.524 | -9.361 |
| Castro-Ginard et al. | 2022 | 85.46 | 29.4 | 0.46 | 0.52 | -3.53 | -11.14 |
đĄ 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.005 | 2.74 | 1.97 | 326 | -0.096 | 733 | â | â |
| Yang et al. | 2025 | â | â | â | 324 | -0.230(3) | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.096(1) | â | â | â |
| Hunt & Reffert | 2024 | 2.00 | 2.74 | 1.97 | 326 | â | 733(1) | â | â |
| Cavallo et al. | 2024 | 1.86 | 2.86 | â | 479 | 0.080 | â | â | â |
| Hunt & Reffert | 2023 | 2.01 | 2.74 | 1.97 | 326 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.59 | 2.31 | â | 412 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.94 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.94 (50th percentile).