NGC 6087

(Melotte 141; Collinder 300; VDBH 188; OCL 948; vdBergh-Hagen 188; ESO 137 15; MWSC 2382; FoF 2279)

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0.96 UTI
0.82
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
N50 (P>50% members) 278
Stellar density (N50/rad) 22.0 [N/pc2]
C3 classification AA
  • CN 0.82 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 6087 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, young cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is very well-studied in the literature.

Liu et al. (2025)
Classified as tidal capture (resonant trapping binary) 290 along with Theia_2443.

Palma et al. (2025)
Part of multiple system G211, along with Theia_2443 and Lynga_7.

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Richer et al. (2021)
The expected number of WDs is 5.5, 1 WD candidate found, and 0 WD candidates found in the wide search.

Rain et al. (2021)
This cluster was include in (Dias et al., 2002A&A...389..871D, Cat. B/ocl) however, parameters log(t)=8.046, Av=0.453, [Fe/H]=0.210 were taken from Bossini et al. (2019A&A...623A.108B, Cat. J/A+A/623/A108).

Data
🔍 Search references for NGC 6087 in: SciX Simbad
ℹī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 244.72 -57.915 1.032 -1.598 -2.4 1.22
Li et al. 2025 244.721 -57.916 1.025 -1.567 -2.411 –
Wei et al. 2025 244.722 -57.932 1.036 -1.612 -2.4 –
Almeida et al. 2025 244.75 -57.914 – – – –
Alfonso et al. 2024 244.746 -57.941 0.995 -1.6 -2.42 –
Hunt & Reffert 2024 244.683 -57.914 1.029 -1.601 -2.427 1.383
Cavallo et al. 2024 244.745 -57.941 1.03 – – –
Hunt & Reffert 2023 244.683 -57.914 1.029 -1.601 -2.427 1.383
Almeida et al. 2023 244.728 -57.903 – – – –
Cordoni et al. 2023 244.75 -57.914 1.019 -1.557 -2.402 –
He et al. 2022 244.713 -57.894 1.029 -1.635 -2.398 –
Dias et al. 2022 244.708 -57.931 1.026 -1.647 -2.464 -1.151
Tarricq et al. 2022 244.702 -57.914 1.037 -1.629 -2.415 –
Jaehnig et al. 2021 244.746 -57.903 1.06 -1.526 -2.421 –
Rain et al. 2021 244.721 -57.916 1.025 -1.567 -2.411 –
Richer et al. 2021 244.708 -57.932 1.017 -1.559 -2.388 –
Dias et al. 2021 244.75 -57.914 1.019 -1.557 -2.402 3.243
Cantat-Gaudin et al. 2020 244.721 -57.916 1.025 -1.567 -2.411 –
Cantat-Gaudin & Anders 2020 244.721 -57.916 1.025 -1.567 -2.411 –
Liu & Pang 2019 244.765 -57.897 1.018 -1.577 -2.413 –
Bossini et al. 2019 244.721 -57.916 – – – –
Soubiran et al. 2018 244.721 -57.916 – – – 1.14
Bica et al. 2019 244.72 -57.893 – – – –
Cantat-Gaudin et al. 2018 244.721 -57.916 1.025 -1.567 -2.411 –
Loktin & Popova 2017 244.71 -57.936 – -4.369 -5.952 -13.7
Dias et al. 2014 244.708 -57.935 – -5.42 -4.88 –
Gozha et al. 2012 244.708 -57.935 – – – –
Piskunov et al. 2008 244.693 -57.935 – – – –
Kharchenko et al. 2007 244.71 -57.94 – 0.48 – -9.05
Piskunov et al. 2007 244.693 -57.935 – – – –
Ahumada & Lapasset 2007 244.7 -57.933 – – – –
van den Bergh 2006 244.7 -57.933 – – – –
Kharchenko et al. 2005 244.71 -57.94 – -1.44 -2.34 -9.05
Kharchenko et al. 2003 244.74 -57.9 – -1.46 -3.44 –
Chen et al. 2003 244.753 -57.882 – -1.43 -1.3 5.7
Dias et al. 2002 244.708 -57.935 – -5.69 -4.86 5.83
Dambis 1999 244.708 -57.935 – – – –
Lynga 1987 244.72 -57.893 – – – 1.0
van den Bergh & Hagen 1975 243.675 -57.783 – – – –
Sulentic et al. 1973 244.721 -57.91 – – – –

💡 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– 0.93 0.57 0.63 96 0.021 778 0.38 0
Liu et al. 2025 1.13 0.21 – 115 – – – –
Li et al. 2025 0.93 0.64 – 87 0.058 – – –
Wei et al. 2025 1.12 0.90 – 63 -0.250 1032 0.38 –
Almeida et al. 2025 0.93 0.69 – 101 – 558 – –
Alfonso et al. 2024 0.95 0.39 – 209 0.113 – – –
Hunt & Reffert 2024 – – – – – 1088(1) – –
Cavallo et al. 2024 0.95 0.65 – 129 0.330 – – –
Hunt & Reffert 2023 0.92 0.50 0.63 91 – – – –
Almeida et al. 2023 0.92 0.70 – 156 -0.118 668(1) 0.64 –
Cordoni et al. 2023 0.93 0.69 – 101 0.112 717 0.19 0(1)
He et al. 2022 – 0.85 – 63 – – – –
Dias et al. 2022 0.94(1) 0.74(1) – 89(1) 0.021(1) – – –
Tarricq et al. 2022 0.93 – – 102 – – – –
Jaehnig et al. 2021 0.94(1) – – – – – – –
Rain et al. 2021 0.95 0.44 – 110 – – – 0
Richer et al. 2021 – 0.71 – 100 – – – –
Dias et al. 2021 0.93 0.69 – 101 0.112 – – –
Cantat-Gaudin et al. 2020 0.95 0.39 – 100 – – – –
Kounkel et al. 2020 0.96 0.68 – 98 – – – –
Cantat-Gaudin & Anders 2020 0.95 – – – – – – –
Liu & Pang 2019 – – – 68 0.000 – – –
Bossini et al. 2019 0.97 0.45 – 111 0.210 – – –
Soubiran et al. 2018 0.95 – – – – – – –
Cantat-Gaudin et al. 2018 0.95 – – – – – – –
Loktin & Popova 2017 0.92 0.56 – 105 – – – –
Gozha et al. 2012 0.89 – – 95 -0.010 1585 – –
Piskunov et al. 2008 0.90 0.57 – 85 – 838(1) – –
Piskunov et al. 2007 0.90 0.57 – 85 – 256 – –
Ahumada & Lapasset 2007 – 0.57 – 95 – – – 0
van den Bergh 2006 0.89 0.57 – 95 – – – –
Kharchenko et al. 2005 0.90 0.57 – 85 – – – –
Kharchenko et al. 2003 0.89 0.57 – – – – – –
Chen et al. 2003 0.89 0.55 – 90 -0.010(1) – – –
Dias et al. 2002 0.89 0.55 – 95 -0.010 – – –
Dambis 1999 0.82 0.62 – 100 – – – –
Lynga 1987 0.90 0.38 – 55 – – – –

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

Visualization
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NGC 6087 UCC
NGC 6087 HUNT23
NGC 6087 CANTAT20
Galactocentric position diagram