Trumpler 36

(Collinder 414; IC 1311; FSR 0214; Dolidze 2; MWSC 3270; MWSC 3271; OCL 173; OCL 174)

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1.0 UTI
1.0
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 979
Radius (P>50% members) 2.2 [arcmin]
  • CN 1.0 Very rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very 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¸
Trumpler 36 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a very massive, near-solar metallicity, old cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is very well-studied in the literature.
Very distant Moderate extinction Very massive Near-solar metallicity Old

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Trumpler 36 in: SciX Simbad
ℹī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 302.7 41.177 0.133 -3.324 -5.075 -61.41
Li et al. 2025 302.697 41.177 0.124 -3.364 -5.047 –
Hu & Soubiran 2025 302.696 41.177 – – – –
Carrasco-Varela et al. 2025 302.846 41.196 – – – –
Almeida et al. 2025 302.693 41.174 – – – –
Hunt & Reffert 2024 302.698 41.182 0.128 -3.325 -5.084 -61.446
Cavallo et al. 2024 302.696 41.177 0.125 – – –
Hunt & Reffert 2023 302.698 41.182 0.128 -3.325 -5.084 -61.446
Just et al. 2023 302.694 41.175 – – – –
Jaehnig et al. 2021 302.697 41.18 0.134 -3.356 -5.056 –
Rain et al. 2021 302.697 41.177 0.124 -3.364 -5.047 –
Dias et al. 2021 302.693 41.174 0.131 -3.366 -5.048 -61.041
Cantat-Gaudin et al. 2020 302.697 41.177 0.124 -3.364 -5.047 –
Cantat-Gaudin & Anders 2020 302.697 41.177 0.124 -3.364 -5.047 –
Soubiran et al. 2018 302.697 41.177 – – – -8.41
Bica et al. 2019 302.686 41.165 – – – –
Cantat-Gaudin et al. 2018 302.697 41.177 0.124 -3.364 -5.047 –
Kharchenko et al. 2016 302.694 41.175 – – – –
Dias et al. 2014 302.475 41.367 – -0.16 -6.16 –
Kharchenko et al. 2013 302.698 41.178 – -3.61 -2.92 -63.2
Gozha et al. 2012 302.575 41.217 – – – –
Froebrich et al. 2007 302.7 41.179 – – – –
van den Bergh 2006 302.575 41.217 – – – –
Dias et al. 2002 302.575 41.217 – 0.59 -6.51 -63.15

💡 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 6.54 1.79 – 1070 -0.046 – – –
Hu & Soubiran 2025 – – – – -0.240* – – –
Carrasco-Varela et al. 2025 5.89 1.55 – 1406 0.050 – – 0.01*
Almeida et al. 2025 6.69 1.55 – 1406 – 5517 – –
Hunt & Reffert 2024 – – – – – 14882* – –
Cavallo et al. 2024 5.30 2.05 – 1549 -0.610 – – –
Hunt & Reffert 2023 7.88 1.81 0.96 962 – – – –
Just et al. 2023 – – – 1413 – 8995 – –
Jaehnig et al. 2021 7.54* – – – – – – –
Rain et al. 2021 6.51 0.87 – 1585 – – – 5
Dias et al. 2021 6.69 1.55 – 1406 0.143 – – –
Cantat-Gaudin et al. 2020 6.17 1.34 – 912 – – – –
Cantat-Gaudin & Anders 2020 6.51 – – – – – – –
Soubiran et al. 2018 6.51 – – – – – – –
Cantat-Gaudin et al. 2018 6.51 – – – – – – –
Kharchenko et al. 2016 5.89 1.42 – 1413 – – – –
Kharchenko et al. 2013 5.89 1.42 – 1413 -0.300 – – –
Gozha et al. 2012 6.03 – – 1585 -0.300 – – –
van den Bergh 2006 5.33 2.36 – 417 – – – –
Dias et al. 2002 6.03 0.87 – 1585 -0.300 – – –

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

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