Riddle 6
(MWSC 3478)
0.65
UTI
0.76
CN
0.98
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
20.3 [arcmin]
- CN 0.76 Rich
- Cdens 0.98 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
Riddle 6 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a moderate percentage of members with 3 later reported entries. See table with shared members information.
Close
Moderate extinction
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 318.035 | 59.902 | 1.173 | -2.527 | -3.511 | -23.218 |
| Hunt & Reffert | 2024 | 317.968 | 59.983 | 1.178 | -2.497 | -3.505 | -22.366 |
| Cavallo et al. | 2024 | 317.923 | 60.058 | 1.177 | â | â | â |
| Hunt & Reffert | 2023 | 317.968 | 59.983 | 1.178 | -2.497 | -3.505 | -22.366 |
| Bica et al. | 2019 | 317.931 | 59.968 | â | â | â | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 105* | â | â |
| Cavallo et al. | 2024 | 0.93 | 1.26 | â | 9 | 0.490 | â | â | â |
| Hunt & Reffert | 2023 | 0.81 | 1.37 | 1.67 | 9 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Dias et al. (2002)
Asterism (Kronberger, M. 2005, private communication)