Pismis 11

(MWSC 1643)

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0.51 UTI
0.79
CN
1.0
Cdens
0.75
CC3
0.74
Clit
0.64
Cdup
Nm (P>50%) 216
Core radius and density 1.2 [pc], 9.3 [pc-2]
C3 classification AB
  • CN 0.79 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.74 Moderately studied
  • Cdup 0.64 Likely unique
πŸ“₯ Members πŸ“Š Colab πŸ”¬ Bayestar19 MOCAMOCA πŸ” CDS πŸ” Simbad πŸ” CDS (Ξ±, Ξ΄) πŸ” Simbad (Ξ±, Ξ΄)

Overview
ℹ️
Pismis 11 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster, but with a large variance across recent sources for the age, metallicity, and mass parameters (see Parameters). It is moderately studied in the literature.

Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.

Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.11 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.11 (50th percentile).

Hu et al. (2021)
Ellipticities (core, all): e_core=0.0908, e_all=0.1013.

Data
πŸ” Search references for Pismis 11 in: SciX Simbad
ℹ️
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 138.974 -50.004 0.367 -5.337 3.983 61.198
Almeida et al. 2025 138.973 -50.01 – – – –
Hunt & Reffert 2024 138.973 -50.007 0.372 -5.336 4.012 91.648
Celli et al. 2024 138.971 -50.017 – – – –
Cavallo et al. 2024 139.003 -49.972 0.37 – – –
Hunt & Reffert 2023 138.973 -50.007 0.372 -5.336 4.012 91.648
Almeida et al. 2023 138.967 -50.008 – – – –
Just et al. 2023 138.966 -50.007 – – – –
Jaehnig et al. 2021 138.969 -50.006 0.379 -5.372 3.902 –
Rain et al. 2021 138.974 -50.006 0.335 -5.397 3.926 –
Dias et al. 2021 138.973 -50.01 0.329 -5.386 3.915 –
Cantat-Gaudin et al. 2020 138.974 -50.006 0.335 -5.397 3.926 –
SΓ‘nchez et al. 2020 138.971 -50.017 – -5.353 3.904 –
Cantat-Gaudin & Anders 2020 138.974 -50.006 0.335 -5.397 3.926 –
Cantat-Gaudin et al. 2018 138.974 -50.006 0.335 -5.397 3.926 –
Dias et al. 2018 – – – -5.27 2.91 –
Sampedro et al. 2017 138.971 -50.017 – -1.18 6.0 –
Kharchenko et al. 2016 138.966 -50.007 – – – –
Dias et al. 2014 138.971 -50.017 – -0.86 7.3 –
Kharchenko et al. 2013 138.97 -50.01 – 0.55 14.77 -16.3
Bukowiecki et al. 2011 139.125 -49.715 – – – –
Ahumada & Lapasset 2007 139.175 -49.717 – – – –
van den Bergh 2006 138.95 -50.017 – – – –
Dias et al. 2002 138.971 -50.017 – 0.55 14.77 –
Lynga 1987 139.177 -49.712 – – – –

πŸ’‘ 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 99999– 2.75 3.79 2.79 6 0.051 467 0.81 0
Almeida et al. 2025 2.34 3.30 – 6 – 402 – –
Hunt & Reffert 2024 2.49 4.18 2.79 7 – 2708(1) – –
Celli et al. 2024 – – – 3 – 590 – –
Cavallo et al. 2024 2.86 3.79 – 9 0.560 – – –
Hunt & Reffert 2023 2.49 4.18 2.79 7 – – – –
Almeida et al. 2023 2.21 3.41 – 7 0.006 467(1) 0.81 –
Just et al. 2023 – – – 1 – 169 – –
Jaehnig et al. 2021 2.67(1) – – – – – – –
Rain et al. 2021 2.75 3.79 – 10 – – – 0
Dias et al. 2021 2.34 3.30 – 6 0.051 – – –
Cantat-Gaudin et al. 2020 2.81 3.70 – 3 – – – –
Kounkel et al. 2020 2.99 3.77 – 1 – – – –
Cantat-Gaudin & Anders 2020 2.75 – – – – – – –
Cantat-Gaudin et al. 2018 2.75 – – – – – – –
Kharchenko et al. 2016 4.77 4.01 – 1 – – – –
Kharchenko et al. 2013 4.77 4.01 – 1 – – – –
Ahumada & Lapasset 2007 – 3.94 – 22 – – – 0
van den Bergh 2006 2.80 3.94 – 22 – – – –
Dias et al. 2002 3.60 3.79 – 10 – – – –

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
VDBH 60 36.1 138.97 -50.01 0.37 -5.35 3.98 -4.76 0.54

πŸ’‘ Note: The % column shows the percentage of members that Pismis 11 shares with each listed object.

Visualization
ℹ️
Pismis 11 UCC
Pismis 11 HUNT23
Pismis 11 CANTAT20
Galactocentric position diagram