Ruprecht 36

(MWSC 1344)

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0.90 UTI
0.76
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 126
Radius (P>50% members) 3.7 [arcmin]
  • CN 0.76 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 1.0 Very well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
ℹī¸
Ruprecht 36 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is very well-studied in the literature.
Relatively close Low extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Ruprecht 36 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 – 117.093 -26.291 0.363 -2.694 0.93 –
Li et al. 2025 117.096 -26.287 0.34 -2.768 0.903 –
Almeida et al. 2025 117.095 -26.281 – – – –
Hunt & Reffert 2024 117.09 -26.29 0.354 -2.691 0.931 68.601
Cavallo et al. 2024 117.096 -26.278 0.361 – – –
Hunt & Reffert 2023 117.09 -26.29 0.354 -2.691 0.931 68.601
Just et al. 2023 117.092 -26.287 – – – –
Jaehnig et al. 2021 117.099 -26.29 0.372 -2.725 0.902 –
Rain et al. 2021 117.096 -26.287 0.34 -2.768 0.903 –
Dias et al. 2021 117.095 -26.281 0.348 -2.779 0.9 –
Cantat-Gaudin et al. 2020 117.096 -26.287 0.34 -2.768 0.903 –
Cantat-Gaudin & Anders 2020 117.096 -26.287 0.34 -2.768 0.903 –
Soubiran et al. 2018 117.096 -26.287 – – – 41.9
Cantat-Gaudin et al. 2018 117.096 -26.287 0.34 -2.768 0.903 –
Loktin & Popova 2017 117.09 -26.299 – -4.843 1.422 –
Kharchenko et al. 2016 117.092 -26.287 – – – –
Dias et al. 2014 117.096 -26.3 – -3.67 2.29 –
Kharchenko et al. 2013 117.097 -26.29 – -5.15 3.04 –
van den Bergh 2006 117.092 -26.303 – – – –
Dias et al. 2002 117.096 -26.3 – -3.67 2.29 –

💡 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 2.47 0.51 – 364 -0.032 – – –
Almeida et al. 2025 2.48 0.86 – 104 – 370 – –
Hunt & Reffert 2024 – – – – – 294* – –
Cavallo et al. 2024 2.18 0.74 – 275 -0.370 – – –
Hunt & Reffert 2023 2.45 0.32 0.98 192 – – – –
Just et al. 2023 – – – 191 – 64 – –
Jaehnig et al. 2021 2.77* – – – – – – –
Rain et al. 2021 2.71 0.50 – 40 – – – 0
Dias et al. 2021 2.48 0.86 – 104 -0.130 – – –
Cantat-Gaudin et al. 2020 2.70 0.63 – 56 – – – –
Cantat-Gaudin & Anders 2020 2.71 – – – – – – –
Soubiran et al. 2018 2.71 – – – – – – –
Cantat-Gaudin et al. 2018 2.71 – – – – – – –
Loktin & Popova 2017 1.71 0.51 – 44 – – – –
Kharchenko et al. 2016 1.82 0.46 – 191 – – – –
Kharchenko et al. 2013 1.82 0.46 – 191 – – – –
van den Bergh 2006 1.68 0.53 – 41 – – – –
Dias et al. 2002 1.68 0.51 – 40 – – – –

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

Visualization
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Ruprecht 36 UCC
Ruprecht 36 HUNT23
Ruprecht 36 CANTAT20
Galactocentric position diagram