OCSN 19
0.57
UTI
0.75
CN
0.85
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
4.2 [N/pc2]
- CN 0.75 Rich
- Cdens 0.85 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
OCSN 19 is a rich, dense object of high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 294.369 | 29.792 | 3.148 | 0.87 | -4.678 | -22.227 |
| Zhang et al. | 2024 | 294.048 | 29.615 | â | â | â | â |
| Cavallo et al. | 2024 | 295.112 | 30.191 | 3.288 | â | â | â |
| Hunt & Reffert | 2023 | 294.048 | 29.615 | 3.281 | 0.913 | -4.587 | -23.881 |
| Qin et al. | 2023 | 294.06 | 29.63 | 3.08 | 1.09 | -4.69 | -21.51 |
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 | 0.32 | 0.34 | 0.61 | 66 | 0.066 | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.049(1) | â | â | â |
| Cavallo et al. | 2024 | 0.32 | 0.71 | â | 66 | 0.180 | â | â | â |
| Hunt & Reffert | 2023 | 0.30 | 0.13 | 0.61 | 104 | â | â | â | â |
| Qin et al. | 2023 | 0.37 | 0.34 | â | 50 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Classified as optical pair (not dynamically associated) P610, along with CWNU_1084.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.