Juchert 9
(DSH J0355.3+5823; MWSC 313)
0.81
UTI
0.58
CN
1.0
Cdens
0.75
CC3
0.87
Clit
1.0
Cdup
Stellar density (N50/rad)
24.5 [N/pc2]
- CN 0.58 Moderately populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.87 Well-studied
- Cdup 1.0 Unique
Overview
Juchert 9 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is well-studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 58.84 | 58.391 | 0.195 | -0.293 | -0.109 | -35.006 |
| Almeida et al. | 2025 | 58.829 | 58.393 | â | â | â | â |
| Hunt & Reffert | 2024 | 58.848 | 58.392 | 0.204 | -0.305 | -0.112 | -35.01 |
| Celli et al. | 2024 | 58.84 | 58.391 | â | â | â | â |
| Cavallo et al. | 2024 | 58.839 | 58.404 | 0.19 | â | â | â |
| Hunt & Reffert | 2023 | 58.848 | 58.392 | 0.204 | -0.305 | -0.112 | -35.01 |
| Dias et al. | 2021 | 58.829 | 58.393 | 0.186 | -0.224 | -0.031 | â |
| Cantat-Gaudin et al. | 2020 | 58.84 | 58.391 | 0.186 | -0.223 | -0.033 | â |
| Zhong et al. | 2020 | 58.84 | 58.391 | â | -0.223 | -0.033 | -30.124 |
| Cantat-Gaudin & Anders | 2020 | 58.84 | 58.391 | 0.186 | -0.223 | -0.033 | â |
| Dias et al. | 2019 | 58.842 | 58.391 | 0.186 | -0.223 | -0.033 | -34.63 |
| Soubiran et al. | 2018 | 58.84 | 58.391 | â | â | â | -34.63 |
| Bica et al. | 2019 | 58.837 | 58.392 | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 58.84 | 58.391 | 0.186 | -0.223 | -0.033 | â |
| Dias et al. | 2014 | 58.837 | 58.392 | â | -0.35 | 0.92 | â |
| Bukowiecki et al. | 2011 | 58.829 | 58.389 | â | â | â | â |
| Kronberger et al. | 2006 | 58.837 | 58.392 | â | â | â | â |
| Dias et al. | 2002 | 58.837 | 58.392 | â | -0.35 | 0.92 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 4.65 | 2.37 | 0.66 | 12 | 0.088 | 358 | â | â |
| Almeida et al. | 2025 | 4.82 | 2.59 | â | 8 | â | 380 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 444(1) | â | â |
| Celli et al. | 2024 | â | â | â | 12 | â | 335 | â | â |
| Cavallo et al. | 2024 | 3.56 | 2.28 | â | 69 | 0.250 | â | â | â |
| Hunt & Reffert | 2023 | 4.53 | 2.45 | 0.66 | 48 | â | â | â | â |
| Dias et al. | 2021 | 4.82 | 2.59 | â | 8 | -0.248 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 4.76 | 2.25 | â | 11 | â | â | â | â |
| Zhong et al. | 2020 | 0.00 | 0.00 | â | 0 | -0.073 | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 4.65 | â | â | â | â | â | â | â |
| Dias et al. | 2019 | 7.63 | 2.29 | â | 8 | 0.323 | â | â | â |
| Soubiran et al. | 2018 | 4.65 | â | â | â | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 4.65 | â | â | â | â | â | â | â |
| Bukowiecki et al. | 2012 | â | â | â | â | â | 123 | â | â |
| Bukowiecki et al. | 2011 | 4.29(1) | 2.14 | â | 56 | â | â | â | â |
| Kronberger et al. | 2006 | 4.40 | 2.45 | â | 40 | â | â | â | â |
| Dias et al. | 2002 | 4.40 | 2.45 | â | 40 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


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