OCSN 3
0.58
UTI
0.8
CN
1.0
Cdens
0.62
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
140.6 [arcmin]
- CN 0.8 Rich
- Cdens 1.0 Very dense
- CC3 0.62 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
OCSN 3 is a rich, very dense object of intermediate C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a low-mass, near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Very close
Low extinction
Low mass
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 276.425 | -20.389 | 6.473 | 7.352 | -28.183 | -10.747 |
| Hunt & Reffert | 2024 | 276.456 | -21.037 | 6.644 | 7.265 | -28.925 | -11.858 |
| Cavallo et al. | 2024 | 276.331 | -20.792 | 6.639 | â | â | â |
| Hunt & Reffert | 2023 | 276.456 | -21.037 | 6.644 | 7.265 | -28.925 | -11.858 |
| Qin et al. | 2023 | 276.52 | -20.48 | 6.3 | 7.31 | -26.9 | -10.81 |
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 | 48* | â | â |
| Cavallo et al. | 2024 | 0.15 | 0.80 | â | 339 | 0.190 | â | â | â |
| Hunt & Reffert | 2023 | 0.15 | 0.15 | 0.62 | 705 | â | â | â | â |
| Qin et al. | 2023 | 0.21 | 0.65 | â | 282 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.