UBC 1257
0.38
UTI
0.0
CN
1.0
Cdens
0.38
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
5.6 [N/pc2]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.38 Low quality
- Clit 0.25 Poorly 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 1257 is a sparse, very dense object of low C3 quality. Its parallax locates it at a relatively close distance, below 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.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 57.989 | 48.407 | 0.616 | 1.141 | -1.097 | â |
| Hunt & Reffert | 2024 | 57.984 | 48.397 | 0.62 | 1.158 | -1.089 | â |
| Cavallo et al. | 2024 | 57.971 | 48.428 | 0.619 | â | â | â |
| Hunt & Reffert | 2023 | 57.984 | 48.397 | 0.62 | 1.158 | -1.089 | â |
| Castro-Ginard et al. | 2022 | 57.98 | 48.41 | 0.61 | 1.15 | -1.08 | â |
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 | 1.79 | 1.84 | 0.66 | 197 | -0.040 | 113 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 113(1) | â | â |
| Cavallo et al. | 2024 | 1.79 | 2.12 | â | 115 | -0.040 | â | â | â |
| Hunt & Reffert | 2023 | 1.51 | 1.84 | 0.66 | 197 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 1.81 | 1.27 | â | 310 | 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.