RSG2
(TRSG 2; Alessi 84)
0.64
UTI
0.57
CN
1.0
Cdens
1.0
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
59.0 [arcmin]
- CN 0.57 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
RSG2 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.
Very close
Low extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 110.724 | 55.284 | 5.043 | -2.844 | -31.209 | 10.89 |
| Zhang et al. | 2024 | 110.51 | 55.384 | â | â | â | â |
| Cavallo et al. | 2024 | 111.316 | 54.892 | 5.044 | â | â | â |
| Hunt & Reffert | 2023 | 110.51 | 55.384 | 5.037 | -3.12 | -31.447 | 8.742 |
| Bica et al. | 2019 | 110.725 | 55.282 | â | â | â | â |
| Roser et al. | 2016 | 110.58 | 54.7 | â | -3.02 | -28.8 | â |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Zhang et al. | 2024 | â | â | â | â | 0.112* | â | â | â |
| Cavallo et al. | 2024 | 0.20 | 0.46 | â | 123 | 0.280 | â | â | â |
| Hunt & Reffert | 2023 | 0.20 | 0.07 | 0.31 | 117 | â | â | â | â |
| Roser et al. | 2016 | 0.20 | 0.12* | â | 126* | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.