UBC 1554
0.55
UTI
0.52
CN
1.0
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
4.1 [arcmin]
- CN 0.52 Moderately populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1554 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 metal-poor, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.
Relatively close
Moderate extinction
Metal-poor
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 249.653 | -45.677 | 0.518 | 1.036 | -0.559 | -16.052 |
| Hunt & Reffert | 2024 | 249.665 | -45.664 | 0.526 | 1.033 | -0.557 | -16.055 |
| Cavallo et al. | 2024 | 249.665 | -45.69 | 0.521 | â | â | â |
| Hunt & Reffert | 2023 | 249.665 | -45.664 | 0.526 | 1.033 | -0.557 | -16.055 |
| Castro-Ginard et al. | 2022 | 249.66 | -45.69 | 0.51 | 1.04 | -0.57 | -21.39 |
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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 360* | â | â |
| Cavallo et al. | 2024 | 1.71 | 1.96 | â | 148 | -0.760 | â | â | â |
| Hunt & Reffert | 2023 | 1.80 | 1.50 | 1.51 | 130 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.03 | 1.19 | â | 135 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.