HSC 2978
0.27
UTI
0.0
CN
0.97
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.7 [arcmin]
- CN 0.0 Sparse
- Cdens 0.97 Very dense
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 2978 is a sparse, very dense object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.
Relatively close
High 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 | 266.466 | -30.296 | 0.354 | -0.298 | -2.341 | -12.869 |
| Hunt & Reffert | 2024 | 266.486 | -30.3 | 0.354 | -0.276 | -2.351 | -12.871 |
| Cavallo et al. | 2024 | 266.475 | -30.288 | 0.354 | â | â | â |
| Hunt & Reffert | 2023 | 266.486 | -30.3 | 0.354 | -0.276 | -2.351 | -12.871 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 590* | â | â |
| Cavallo et al. | 2024 | 1.95 | 4.58 | â | 32 | -0.450 | â | â | â |
| Hunt & Reffert | 2023 | 2.60 | 4.30 | 2.67 | 19 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.