HSC 258
Summary
HSC 258 is a poorly populated, dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It was recently reported in the literature.
Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Hunt & Reffert (2023) | 278.423 | -4.874 | 0.411 | -0.565 | -2.371 | – |
| Cavallo et al. (2024) | 278.422 | -4.954 | 0.404 | – | – | – |
| Hunt & Reffert (2024) | 278.423 | -4.874 | 0.411 | -0.565 | -2.371 | – |
| UCC | 278.423 | -4.931 | 0.402 | -0.558 | -2.383 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Hunt & Reffert (2023) | AV50=3.257, diffAV50=2.257, MOD50=11.835, logAge50=7.371 |
| Cavallo et al. (2024) | AV50=3.27, dMod50=12.42, logAge50=7.5, [Fe/H]50=0.36 |
| Hunt & Reffert (2024) | MassJ=633.768, MassTot=642.533 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| IRAS 18306-0500 | 95.5 | 278.4 | -4.97 | 0.4 | -0.56 | -2.38 | -3.16 | 0.45 |
