King 15
(MWSC 58; OCL 298; FSR 0501; FoF 358)
0.95
UTI
0.76
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
Radius (P>50% members)
3.6 [arcmin]
- CN 0.76 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 1.0 Very well-studied
- Cdup 1.0 Unique
Overview
King 15 is a rich, very dense object of very 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 | β | 8.285 | 61.849 | 0.292 | -2.301 | -0.894 | -67.251 |
| Li et al. | 2025 | 8.262 | 61.854 | 0.306 | -2.326 | -0.862 | β |
| Almeida et al. | 2025 | 8.241 | 61.855 | β | β | β | β |
| Hunt & Reffert | 2024 | 8.268 | 61.854 | 0.285 | -2.302 | -0.893 | -67.246 |
| Cavallo et al. | 2024 | 8.269 | 61.85 | 0.287 | β | β | β |
| Hunt & Reffert | 2023 | 8.268 | 61.854 | 0.285 | -2.302 | -0.893 | -67.246 |
| Almeida et al. | 2023 | 8.251 | 61.853 | β | β | β | β |
| Just et al. | 2023 | 8.19 | 61.887 | β | β | β | β |
| Jaehnig et al. | 2021 | 8.278 | 61.841 | 0.336 | -2.295 | -0.834 | β |
| Rain et al. | 2021 | 8.262 | 61.854 | 0.306 | -2.326 | -0.862 | β |
| Dias et al. | 2021 | 8.241 | 61.855 | 0.306 | -2.357 | -0.826 | -62.087 |
| Cantat-Gaudin et al. | 2020 | 8.262 | 61.854 | 0.306 | -2.326 | -0.862 | β |
| SΓ‘nchez et al. | 2020 | 8.225 | 61.867 | β | -2.414 | -0.671 | β |
| Cantat-Gaudin & Anders | 2020 | 8.262 | 61.854 | 0.306 | -2.326 | -0.862 | β |
| Liu & Pang | 2019 | 8.292 | 61.842 | 0.32 | -2.406 | -0.745 | β |
| Soubiran et al. | 2018 | 8.262 | 61.854 | β | β | β | -65.81 |
| Bica et al. | 2019 | 8.231 | 61.853 | β | β | β | β |
| Cantat-Gaudin et al. | 2018 | 8.262 | 61.854 | 0.306 | -2.326 | -0.862 | β |
| Loktin & Popova | 2017 | 8.22 | 61.868 | β | 0.32 | 0.49 | β |
| Kharchenko et al. | 2016 | 8.19 | 61.887 | β | β | β | β |
| Dias et al. | 2014 | 8.225 | 61.867 | β | 0.32 | 0.49 | β |
| Kharchenko et al. | 2013 | 8.199 | 61.89 | β | -3.27 | -0.31 | β |
| Gozha et al. | 2012 | 8.225 | 61.867 | β | β | β | β |
| Kharchenko et al. | 2012 | 8.199 | 61.89 | β | -3.27 | -0.31 | β |
| van den Bergh | 2006 | 8.232 | 61.859 | β | β | β | β |
| Chen et al. | 2003 | 8.207 | 61.873 | β | β | β | β |
| Dias et al. | 2002 | 8.225 | 61.867 | β | 0.32 | 0.49 | β |
π‘ 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 |
|---|---|---|---|---|---|---|---|---|---|
| Li et al. | 2025 | 2.83 | 1.82 | β | 434 | -0.070 | β | β | β |
| Almeida et al. | 2025 | 2.67 | 1.83 | β | 361 | β | 443 | β | β |
| Hunt & Reffert | 2024 | β | β | β | β | β | 960* | β | β |
| Cavallo et al. | 2024 | 2.98 | 1.98 | β | 407 | 0.000 | β | β | β |
| Hunt & Reffert | 2023 | 3.15 | 1.77 | 1.69 | 232 | β | β | β | β |
| Almeida et al. | 2023 | 2.73 | 2.06 | β | 101 | -0.109 | 452* | 0.60 | β |
| Just et al. | 2023 | β | β | β | 251 | β | 817 | β | β |
| Jaehnig et al. | 2021 | 2.96* | β | β | β | β | β | β | β |
| Rain et al. | 2021 | 2.99 | 2.17 | β | 251 | β | β | β | 0 |
| Dias et al. | 2021 | 2.67 | 1.83 | β | 361 | 0.000 | β | β | β |
| Cantat-Gaudin et al. | 2020 | 3.40 | 1.58 | β | 295 | β | β | β | β |
| Cantat-Gaudin & Anders | 2020 | 2.99 | β | β | β | β | β | β | β |
| Liu & Pang | 2019 | β | β | β | 501 | 0.500 | β | β | β |
| Soubiran et al. | 2018 | 2.99 | β | β | β | β | β | β | β |
| Cantat-Gaudin et al. | 2018 | 2.99 | β | β | β | β | β | β | β |
| Loktin & Popova | 2017 | 3.13 | 1.64 | β | 309 | β | β | β | β |
| Kharchenko et al. | 2016 | 5.50 | 2.17 | β | 251 | β | β | β | β |
| Kharchenko et al. | 2013 | 5.50 | 2.17 | β | 251 | 0.070 | β | β | β |
| Gozha et al. | 2012 | 3.16 | β | β | 251 | 0.070 | β | β | β |
| Kharchenko et al. | 2012 | 5.50 | 2.17 | β | 251 | 0.070 | β | β | β |
| van den Bergh | 2006 | 3.16 | 2.17 | β | 251 | β | β | β | β |
| Chen et al. | 2003 | 3.16 | 2.17 | β | 250 | 0.070* | β | β | β |
| Dias et al. | 2002 | 3.16 | 2.17 | β | 251 | 0.070 | β | β | β |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


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