HSC 249
0.34
UTI
0.44
CN
1.0
Cdens
0.25
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
16.0 [N/pc2]
- CN 0.44 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.25 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
HSC 249 is a poorly populated, 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.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 279.69 | -6.567 | 0.42 | 0.337 | -1.512 | 89.933 |
| Hunt & Reffert | 2024 | 279.694 | -6.568 | 0.435 | 0.341 | -1.526 | 89.942 |
| Cavallo et al. | 2024 | 279.691 | -6.566 | 0.439 | â | â | â |
| Hunt & Reffert | 2023 | 279.694 | -6.568 | 0.435 | 0.341 | -1.526 | 89.942 |
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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.435 | 4.2 | 1.91 | 84 | 0.280 | 662 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 662(1) | â | â |
| Cavallo et al. | 2024 | 2.69 | 3.78 | â | 132 | 0.280 | â | â | â |
| Hunt & Reffert | 2023 | 2.18 | 4.62 | 1.91 | 36 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Part of multiple system G156, along with UBC_1033, HSC_250 and HSC_245.
Cavallo et al. (2024)
Bronze sample.