OCSN 28
0.62
UTI
0.8
CN
0.78
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
61.3 [arcmin]
- CN 0.8 Rich
- Cdens 0.78 Dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
OCSN 28 is a rich, dense object of very 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, very young cluster (see Parameters). It was recently reported in the literature.
Very close
Low extinction
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 325.034 | 51.013 | 2.28 | 3.888 | -2.115 | -13.389 |
| Zhang et al. | 2024 | 324.419 | 50.891 | â | â | â | â |
| Cavallo et al. | 2024 | 324.813 | 51.017 | 2.286 | â | â | â |
| Hunt & Reffert | 2023 | 324.419 | 50.891 | 2.28 | 3.881 | -2.121 | -17.579 |
| Qin et al. | 2023 | 324.87 | 51.06 | 2.33 | 3.97 | -2.09 | -13.0 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Zhang et al. | 2024 | â | â | â | â | -0.019* | â | â | â |
| Cavallo et al. | 2024 | 0.45 | 0.74 | â | 13 | 0.030 | â | â | â |
| Hunt & Reffert | 2023 | 0.43 | 0.24 | 0.68 | 18 | â | â | â | â |
| Qin et al. | 2023 | 0.49 | 0.34 | â | 28 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.