King 17
(MWSC 474; OCL 424)
0.89
UTI
0.72
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
Radius (P>50% members)
3.0 [arcmin]
- CN 0.72 Moderately populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 1.0 Very well-studied
- Cdup 1.0 Unique
Overview
King 17 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is very well-studied in the literature.
Distant
Moderate 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 | 77.09 | 39.071 | 0.245 | -0.181 | -1.377 | 2.545 |
| Almeida et al. | 2025 | 77.081 | 39.066 | â | â | â | â |
| Zhang et al. | 2024 | 77.094 | 39.071 | â | â | â | â |
| Hunt & Reffert | 2024 | 77.094 | 39.071 | 0.239 | -0.207 | -1.409 | 7.933 |
| Cavallo et al. | 2024 | 77.085 | 39.06 | 0.24 | â | â | â |
| Hunt & Reffert | 2023 | 77.094 | 39.071 | 0.239 | -0.207 | -1.409 | 7.933 |
| Almeida et al. | 2023 | 77.08 | 39.069 | â | â | â | â |
| Just et al. | 2023 | 77.09 | 39.08 | â | â | â | â |
| Dias et al. | 2021 | 77.081 | 39.066 | 0.232 | -0.112 | -1.24 | â |
| Cantat-Gaudin et al. | 2020 | 77.09 | 39.069 | 0.239 | -0.126 | -1.274 | â |
| Cantat-Gaudin & Anders | 2020 | 77.09 | 39.069 | 0.239 | -0.126 | -1.274 | â |
| Soubiran et al. | 2018 | 77.09 | 39.069 | â | â | â | -10.85 |
| Bica et al. | 2019 | 77.1 | 39.085 | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 77.09 | 39.069 | 0.239 | -0.126 | -1.274 | â |
| Loktin & Popova | 2017 | 77.085 | 39.08 | â | -1.425 | 0.193 | â |
| Kharchenko et al. | 2016 | 77.09 | 39.08 | â | â | â | â |
| Dias et al. | 2014 | 77.092 | 39.069 | â | 1.63 | -1.07 | â |
| Kharchenko et al. | 2013 | 77.1 | 39.08 | â | -5.74 | 0.76 | â |
| Kharchenko et al. | 2012 | 77.1 | 39.08 | â | -5.74 | 0.76 | â |
| Dias et al. | 2002 | 77.092 | 39.069 | â | 1.63 | -1.07 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Almeida et al. | 2025 | 3.27 | 1.74 | â | 402 | â | 394 | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.157* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 647* | â | â |
| Cavallo et al. | 2024 | 3.21 | 1.57 | â | 275 | -0.190 | â | â | â |
| Hunt & Reffert | 2023 | 3.76 | 1.32 | 0.57 | 284 | â | â | â | â |
| Almeida et al. | 2023 | 3.32 | 1.88 | â | 36 | -0.263 | 281* | 0.61 | â |
| Just et al. | 2023 | â | â | â | 71 | â | 482 | â | â |
| Dias et al. | 2021 | 3.27 | 1.74 | â | 402 | -0.285 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 4.11 | 1.61 | â | 52 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 3.73 | â | â | â | â | â | â | â |
| Soubiran et al. | 2018 | 3.73 | â | â | â | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 3.73 | â | â | â | â | â | â | â |
| Loktin & Popova | 2017 | 3.29 | 0.75 | â | 617 | â | â | â | â |
| Kharchenko et al. | 2016 | 3.00 | 2.17 | â | 71 | â | â | â | â |
| Kharchenko et al. | 2013 | 3.00 | 2.17 | â | 71 | â | â | â | â |
| Kharchenko et al. | 2012 | 3.00 | 2.17 | â | 71 | â | â | â | â |
| Dias et al. | 2002 | 4.71 | 1.74 | â | 251 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: good fit.
Cavallo et al. (2024)
Gold sample.