OC 0140
0.50
UTI
0.25
CN
1.0
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
6.5 [N/pc2]
- CN 0.25 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High 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
OC 0140 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster, but with a large variance across recent sources for the absorption and metallicity parameters (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 | 317.932 | 46.865 | 1.347 | 0.426 | -3.142 | 1.664 |
| Cavallo et al. | 2024 | 317.959 | 46.885 | 1.339 | â | â | â |
| Hunt & Reffert | 2023 | 317.901 | 46.868 | 1.339 | 0.446 | -3.082 | 4.278 |
| Hao et al. | 2022 | 317.866 | 46.859 | 1.367 | 0.384 | -3.043 | 14.369 |
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 | 0.83 | 1.02 | 1.02 | 8 | 0.191 | â | â | â |
| Liu et al. | 2025 | 0.87 | 0.27 | â | 12 | â | â | â | â |
| Cavallo et al. | 2024 | 0.83 | 1.59 | â | 6 | -0.230 | â | â | â |
| Hunt & Reffert | 2023 | 0.72 | 0.45 | 1.02 | 5 | â | â | â | â |
| Hao et al. | 2022 | â | 2.76 | â | 10 | 0.611 | â | â | â |
Liu et al. (2025)
Classified as primordial binary cluster 294 along with NGC_7039.
Palma et al. (2025)
Part of multiple system G220, along with NGC_7039 and Theia_26.
Cavallo et al. (2024)
Silver sample.
Hunt & Reffert (2024)
Classified as a moving group.