NGC 6793

(MWSC 3098; OCL 115; FoF 2338)

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0.98 UTI
0.88
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 439
Radius (P>50% members) 16.0 [arcmin]
  • CN 0.88 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¸
NGC 6793 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, above 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, metallicity, and mass parameters (see Parameters). It is very well-studied in the literature.

Note: This object shares a very small percentage of members with a later reported entry. See table with shared members information.

Close Low extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for NGC 6793 in: SciX Simbad
ℹī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 290.807 22.152 1.668 3.797 3.538 -19.658
Li et al. 2025 290.817 22.159 1.669 3.795 3.544 –
Wei et al. 2025 290.818 22.152 1.675 3.796 3.548 –
Almeida et al. 2025 290.801 22.173 – – – –
Alfonso et al. 2024 290.808 22.141 1.647 3.788 3.529 –
Hunt & Reffert 2024 290.818 22.164 1.671 3.8 3.536 -20.021
Cavallo et al. 2024 290.81 22.137 1.674 – – –
Hunt & Reffert 2023 290.818 22.164 1.671 3.8 3.536 -20.021
Almeida et al. 2023 290.803 22.172 – – – –
Just et al. 2023 290.818 22.138 – – – –
He et al. 2022 290.808 22.148 1.678 3.795 3.552 –
Tarricq et al. 2022 290.833 22.145 1.679 3.789 3.544 –
Dias et al. 2021 290.801 22.173 1.667 3.778 3.569 -25.681
Cantat-Gaudin et al. 2020 290.817 22.159 1.669 3.795 3.544 –
Cantat-Gaudin & Anders 2020 290.817 22.159 1.669 3.795 3.544 –
Liu & Pang 2019 290.816 22.13 1.67 3.774 3.577 –
Bossini et al. 2019 290.817 22.159 – – – –
Soubiran et al. 2018 290.817 22.159 – – – -16.59
Bica et al. 2019 290.836 22.154 – – – –
Cantat-Gaudin et al. 2018 290.817 22.159 1.669 3.795 3.544 –
Loktin & Popova 2017 290.79 22.155 – 0.639 -6.083 –
Kharchenko et al. 2016 290.818 22.138 – – – –
Dias et al. 2014 290.808 22.142 – 2.9 1.41 –
Kharchenko et al. 2013 290.824 22.14 – 4.8 1.69 –
Piskunov et al. 2008 290.802 22.137 – – – –
Kharchenko et al. 2005 290.8 22.14 – 3.9 1.09 –
Kharchenko et al. 2003 290.8 22.16 – 4.87 1.37 –
Dias et al. 2002 290.808 22.142 – 2.9 1.41 –

💡 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 0.55 0.89 – 377 0.150 – – –
Wei et al. 2025 0.61 0.61 – 251 0.500 504 0.22 –
Almeida et al. 2025 0.59 1.01 – 458 – 408 – –
Alfonso et al. 2024 0.63 0.74 – 417 0.234 – – –
Hunt & Reffert 2024 – – – – – 625* – –
Cavallo et al. 2024 0.59 1.09 – 240 0.390 – – –
Hunt & Reffert 2023 0.57 1.03 1.23 136 – – – –
Almeida et al. 2023 0.58 1.17 – 329 0.126 409* 0.48 –
Just et al. 2023 – – – 495 – 32 – –
He et al. 2022 – 1.40 – 71 – – – –
Tarricq et al. 2022 0.62 – – 309 – – – –
Dias et al. 2021 0.59 1.01 – 458 0.234 – – –
Cantat-Gaudin et al. 2020 0.63 0.74 – 309 – – – –
Cantat-Gaudin & Anders 2020 0.59 – – – – – – –
Liu & Pang 2019 – – – 66 0.250 – – –
Bossini et al. 2019 0.54 0.68 – 573 0.000 – – –
Soubiran et al. 2018 0.59 – – – – – – –
Cantat-Gaudin et al. 2018 0.59 – – – – – – –
Loktin & Popova 2017 2.68 1.50 – 851 – – – –
Kharchenko et al. 2016 0.72 0.97 – 495 – – – –
Kharchenko et al. 2013 0.72 0.97 – 495 – – – –
Piskunov et al. 2008 1.10 0.53 – 437 – – – –
Kharchenko et al. 2005 1.10 0.53 – 437 – – – –
Kharchenko et al. 2003 0.91 0.62 – – – – – –
Dias et al. 2002 1.10 0.53 – 437 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Theia 738 5.7 290.77 22.16 1.69 3.77 3.65 -20.66 0.0

💡 Note: The % column shows the percentage of members that NGC 6793 shares with each listed object.

Visualization
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NGC 6793 UCC
NGC 6793 HUNT23
NGC 6793 CANTAT20
Galactocentric position diagram