OCSN 27
0.67
UTI
0.71
CN
1.0
Cdens
1.0
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
26.0 [arcmin]
- CN 0.71 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
OCSN 27 is a moderately populated, very 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.
Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.
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 | 321.634 | 47.638 | 2.421 | 3.328 | -2.486 | -15.463 |
| Zhang et al. | 2024 | 321.607 | 47.633 | â | â | â | â |
| Hunt & Reffert | 2024 | 321.607 | 47.633 | 2.407 | 3.257 | -2.506 | -16.306 |
| Cavallo et al. | 2024 | 320.857 | 47.609 | 2.402 | â | â | â |
| Hunt & Reffert | 2023 | 321.607 | 47.633 | 2.407 | 3.257 | -2.506 | -16.306 |
| Qin et al. | 2023 | 321.68 | 47.54 | 2.41 | 3.3 | -2.53 | -15.23 |
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 | 0.089* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 64* | â | â |
| Cavallo et al. | 2024 | 0.43 | 0.56 | â | 10 | -0.100 | â | â | â |
| Hunt & Reffert | 2023 | 0.41 | 0.15 | 0.49 | 15 | â | â | â | â |
| Qin et al. | 2023 | 0.49 | 0.34 | â | 22 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.