OCSN 89
0.34
UTI
0.7
CN
0.88
Cdens
0.75
CC3
0.0
Clit
0.72
Cdup
Radius (P>50% members)
38.1 [arcmin]
- CN 0.7 Moderately populated
- Cdens 0.88 Dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 0.72 Likely unique
Overview
OCSN 89 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.
Very close
Moderate extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 187.912 | -66.011 | 2.447 | -13.577 | -2.654 | 2.59 |
| Cavallo et al. | 2024 | 188.14 | -66.162 | 2.407 | â | â | â |
| Hunt & Reffert | 2023 | 186.45 | -65.883 | 2.41 | -13.751 | -2.685 | 1.392 |
| Qin et al. | 2023 | 188.06 | -66.04 | 2.48 | -13.49 | -2.96 | 3.72 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Cavallo et al. | 2024 | 0.42 | 1.01 | â | 22 | 0.300 | â | â | â |
| Hunt & Reffert | 2023 | 0.40 | 0.73 | 1.62 | 37 | â | â | â | â |
| Qin et al. | 2023 | 0.66 | 1.27 | â | 141 | â | â | â | â |
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.