Juchert 9

(DSH J0355.3+5823; MWSC 313)

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0.80 UTI
0.58
CN
1.0
Cdens
0.75
CC3
0.82
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 66
Radius (P>50% members) 1.1 [arcmin]
  • CN 0.58 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.82 Well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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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 parameter (see Parameters). It is well-studied in the literature.
Distant Moderate extinction Near-solar metallicity Very young

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Juchert 9 in: SciX Simbad
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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 58.84 58.391 0.195 -0.293 -0.109 -35.006
Almeida et al. 2025 58.829 58.393 – – – –
Hunt & Reffert 2024 58.848 58.392 0.204 -0.305 -0.112 -35.01
Celli et al. 2024 58.84 58.391 – – – –
Cavallo et al. 2024 58.839 58.404 0.19 – – –
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 –
Cantat-Gaudin et al. 2020 58.84 58.391 0.186 -0.223 -0.033 –
Cantat-Gaudin & Anders 2020 58.84 58.391 0.186 -0.223 -0.033 –
Dias et al. 2019 58.842 58.391 0.186 -0.223 -0.033 -34.63
Soubiran et al. 2018 58.84 58.391 – – – -34.63
Bica et al. 2019 58.837 58.392 – – – –
Cantat-Gaudin et al. 2018 58.84 58.391 0.186 -0.223 -0.033 –
Dias et al. 2014 58.837 58.392 – -0.35 0.92 –
Kronberger et al. 2006 58.837 58.392 – – – –
Dias et al. 2002 58.837 58.392 – -0.35 0.92 –

💡 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 4.82 2.59 – 8 – 380 – –
Hunt & Reffert 2024 – – – – – 444* – –
Celli et al. 2024 – – – 12 – 335 – –
Cavallo et al. 2024 3.56 2.28 – 69 0.250 – – –
Hunt & Reffert 2023 4.53 2.45 0.66 48 – – – –
Dias et al. 2021 4.82 2.59 – 8 -0.248 – – –
Cantat-Gaudin et al. 2020 4.76 2.25 – 11 – – – –
Cantat-Gaudin & Anders 2020 4.65 – – – – – – –
Dias et al. 2019 7.63 2.29 – 8 0.323 – – –
Soubiran et al. 2018 4.65 – – – – – – –
Cantat-Gaudin et al. 2018 4.65 – – – – – – –
Kronberger et al. 2006 4.40* 2.45* – 40* – – – –
Dias et al. 2002 4.40 2.45 – 40 – – – –

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization
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Juchert 9 UCC
Juchert 9 HUNT23
Juchert 9 CANTAT20
Galactocentric position diagram