UBC 1004
0.70
UTI
1.0
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.9 [arcmin]
- CN 1.0 Very rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1004 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as an extremely massive, metal-poor, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Relatively close
High extinction
Extremely massive
Metal-poor
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 270.55 | -25.077 | 0.379 | -0.899 | -2.411 | -4.202 |
| Hunt & Reffert | 2024 | 270.546 | -25.078 | 0.384 | -0.889 | -2.409 | 10.836 |
| Cavallo et al. | 2024 | 270.557 | -25.072 | 0.383 | â | â | â |
| Hunt & Reffert | 2023 | 270.546 | -25.078 | 0.384 | -0.889 | -2.409 | 10.836 |
| Castro-Ginard et al. | 2022 | 270.56 | -25.07 | 0.38 | -0.9 | -2.4 | -5.24 |
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 | 11043* | â | â |
| Cavallo et al. | 2024 | 1.79 | 4.48 | â | 282 | -0.720 | â | â | â |
| Hunt & Reffert | 2023 | 2.40 | 3.83 | 2.74 | 237 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.44 | 2.32 | â | 314 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.