HSC 1977
0.31
UTI
0.25
CN
0.8
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
52.7 [arcmin]
- CN 0.25 Poorly populated
- Cdens 0.8 Dense
- CC3 0.5 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 1977 is a poorly populated, dense object of intermediate 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.
Very close
Low 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 | 98.85 | -36.732 | 6.119 | -10.362 | 21.25 | 28.55 |
| Cavallo et al. | 2024 | 98.325 | -36.505 | 6.124 | â | â | â |
| Hunt & Reffert | 2023 | 98.821 | -36.716 | 6.125 | -10.022 | 21.195 | 29.126 |
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 | 0.17 | 0.32 | â | 40 | 0.330 | â | â | â |
| Hunt & Reffert | 2023 | 0.16 | 0.01 | 0.48 | 24 | â | â | â | â |
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.