NGC 7063

(Collinder 435; MWSC 3507; OCL 192; FoF 2274; LISC 3389)

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0.96 UTI
0.78
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
Nm (P>50%) 187
Core radius and density 1.5 [pc], 7.7 [pc-2]
C3 classification AA
  • CN 0.78 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 MOCAMOCA 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
ℹī¸
NGC 7063 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, below 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.

Malhotra et al. (2026)
Lowest/Highest stellar mass in the catalogue with a mass-ratio estimate: 0.34/4.12 Msun

Liu et al. (2025)
Classified as tidal capture (resonant trapping binary) 295 along with UPK_113.

Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P238, along with UPK_113.

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Richer et al. (2021)
The expected number of WDs is 1.8, 0 WD candidates found, and 1 WD candidate found in the wide search.

Hu et al. (2021)
Ellipticities (core, all): e_core=0.1001, e_all=0.0562.

Rain et al. (2021)
This cluster was include in (Dias et al., 2002A&A...389..871D, Cat. B/ocl) however, parameters log(t)=8.274, Av=0.326, [Fe/H]=0.000 were taken from Bossini et al. (2019A&A...623A.108B, Cat. J/A+A/623/A108).

Ahumada & Lapasset (2007)
Only the photoelectric data of (1961PUSNO..17..343H) were examined.

Data
🔍 Search references for NGC 7063 in: SciX Simbad
ℹī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 321.103 36.504 1.492 1.516 -2.543 -1.911
Malhotra et al. 2026 321.126 36.496 – – – –
Li et al. 2025 321.122 36.507 1.477 1.524 -2.482 –
Almeida et al. 2025 321.103 36.499 – – – –
Alfonso et al. 2024 321.123 36.511 1.464 1.513 -2.524 –
Zhang et al. 2024 321.117 36.489 – – – –
Hunt & Reffert 2024 321.117 36.489 1.492 1.533 -2.548 -2.175
Cavallo et al. 2024 321.114 36.507 1.493 – – –
Hunt & Reffert 2023 321.117 36.489 1.492 1.533 -2.548 -2.175
Almeida et al. 2023 321.108 36.491 – – – –
Cordoni et al. 2023 321.103 36.499 1.483 1.524 -2.453 –
Just et al. 2023 321.129 36.492 – – – –
He et al. 2022 321.116 36.488 1.493 1.506 -2.524 –
Tarricq et al. 2022 321.107 36.478 1.493 1.512 -2.524 –
Jaehnig et al. 2021 321.138 36.511 1.507 1.525 -2.461 –
Rain et al. 2021 321.122 36.507 1.477 1.524 -2.482 –
Richer et al. 2021 321.106 36.487 1.489 1.544 -2.466 –
Dias et al. 2021 321.103 36.499 1.483 1.524 -2.453 5.945
Cantat-Gaudin et al. 2020 321.122 36.507 1.477 1.524 -2.482 –
Zhong et al. 2020 321.122 36.507 – 1.524 -2.482 0.197
Cantat-Gaudin & Anders 2020 321.122 36.507 1.477 1.524 -2.482 –
Liu & Pang 2019 321.117 36.49 1.479 1.505 -2.454 –
Bossini et al. 2019 321.122 36.507 – – – –
Soubiran et al. 2018 321.122 36.507 – – – 4.43
Bica et al. 2019 321.069 36.504 – – – –
Cantat-Gaudin et al. 2018 321.122 36.507 1.477 1.524 -2.482 –
Dias et al. 2018 – – – -1.21 -2.78 –
Dib et al. 2018 321.135 36.495 – – – –
Loktin & Popova 2017 321.09 36.487 – -0.088 -0.715 –
Sampedro et al. 2017 321.087 36.487 – – – –
Joshi et al. 2016 321.135 36.495 – – – –
Kharchenko et al. 2016 321.129 36.492 – – – –
Dias et al. 2014 321.087 36.487 – -1.07 -2.53 –
Kharchenko et al. 2013 321.135 36.495 – 0.77 -2.4 –
Bukowiecki et al. 2011 321.121 36.528 – – – –
Piskunov et al. 2008 321.087 36.49 – – – –
Piskunov et al. 2007 321.087 36.49 – – – –
Ahumada & Lapasset 2007 321.1 36.483 – – – –
van den Bergh 2006 321.1 36.483 – – – –
Kharchenko et al. 2005 321.09 36.49 – 1.24 -2.83 –
Kharchenko et al. 2003 321.1 36.49 – 1.56 -2.76 –
Dias et al. 2002 321.087 36.487 – -1.07 -2.53 –
Lynga 1987 321.13 36.497 – – – –
Sulentic et al. 1973 321.106 36.491 – – – –

💡 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– 0.66 0.285 0.47 102 -0.009 147 0.465 0
Malhotra et al. 2026 0.67 0.35 – 75 -0.090 – – –
Liu et al. 2025 0.76 0.11 – 89 – – – –
Li et al. 2025 0.67 0.36 – 89 0.035 – – –
Almeida et al. 2025 0.66 0.37 – 150 – 147 – –
Alfonso et al. 2024 0.66 0.23 – 86 -0.009 – – –
Zhang et al. 2024 – – – – -0.231(1) – – –
Hunt & Reffert 2024 0.63 0.13 0.47 147 – 318(1) – –
Cavallo et al. 2024 0.65 0.27 – 182 0.320 – – –
Hunt & Reffert 2023 0.63 0.13 0.47 148 – – – –
Almeida et al. 2023 0.66 0.33 – 154 0.002 131(1) 0.53 –
Cordoni et al. 2023 0.66 0.37 – 150 -0.009 244 0.40 0(1)
Deng & Li 2023 0.55 0.32 – 300 -0.105 – – –
Just et al. 2023 – – – 90 – 24 – –
He et al. 2022 – 0.40 – 71 – – – –
Tarricq et al. 2022 0.65 – – 102 – – – –
Jaehnig et al. 2021 0.66(1) – – – – – – –
Rain et al. 2021 0.66 0.32 – 186 – – – 0
Richer et al. 2021 – 0.38 – 98 – – – –
Dias et al. 2021 0.66 0.37 – 150 -0.009 – – –
Cantat-Gaudin et al. 2020 0.66 0.23 – 98 – – – –
Kounkel et al. 2020 0.65 0.34 – 123 – – – –
Zhong et al. 2020 0.66(1) 0.33 – 8274 -0.072 – – –
Cantat-Gaudin & Anders 2020 0.66 – – – – – – –
Liu & Pang 2019 – – – 52 -0.250 – – –
Bossini et al. 2019 0.66 0.33 – 188 0.000 – – –
Soubiran et al. 2018 0.66 – – – – – – –
Cantat-Gaudin et al. 2018 0.66 – – – – – – –
Dib et al. 2018 0.69 – – 90 – – – –
Loktin & Popova 2017 0.70 0.29 – 105 – – – –
Joshi et al. 2016 0.69 0.28 – 90 – 151 – –
Kharchenko et al. 2016 0.69 0.28 – 90 – – – –
Kharchenko et al. 2013 0.69 0.28 – 90 – – – –
Bukowiecki et al. 2012 – – – – – 711 – –
Bukowiecki et al. 2011 0.70(1) 0.41 – 79 – – – –
Piskunov et al. 2008 0.69 0.28 – 120 – 102(1) – –
Piskunov et al. 2007 0.69 0.28 – 120 – 27 – –
Ahumada & Lapasset 2007 – 0.28 – 95 – – – 0
van den Bergh 2006 0.69 0.28 – 95 – – – –
Kharchenko et al. 2005 0.69 0.28 – 120 – – – –
Kharchenko et al. 2003 0.69 0.28 – – – – – –
Dias et al. 2002 0.69 0.29 – 95 – – – –
Lynga 1987 0.66 0.22 – 141 – – – –

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

Visualization
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NGC 7063 UCC
NGC 7063 HUNT23
NGC 7063 CANTAT20
Galactocentric position diagram