HSC 687
0.25
UTI
0.0
CN
0.61
Cdens
0.62
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
9.4 [arcmin]
- CN 0.0 Sparse
- Cdens 0.61 Moderately dense
- CC3 0.62 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 687 is a sparse, moderately dense object of intermediate C3 quality. Its parallax locates it at a 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.
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 | 314.587 | 46.836 | 1.066 | -2.352 | -6.175 | -5.504 |
| Cavallo et al. | 2024 | 315.219 | 46.437 | 1.069 | â | â | â |
| Hunt & Reffert | 2023 | 314.582 | 46.812 | 1.069 | -2.302 | -6.288 | -17.456 |
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 | 0.93 | 1.56 | â | 93 | 0.240 | â | â | â |
| Hunt & Reffert | 2023 | 0.91 | 1.88 | 1.83 | 49 | â | â | â | â |
Cavallo et al. (2024)
Silver sample.
Hunt & Reffert (2024)
Classified as a moving group.