Alessi 60

(MWSC 1071; DSH J0702.4-0108; Alessi J0702.4-0108; FoF 1395)

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0.81 UTI
0.77
CN
0.85
Cdens
0.75
CC3
0.84
Clit
1.0
Cdup
Nm (P>50%) 145
Core radius and density 1.7 [pc], 4.2 [pc-2]
C3 classification AB
  • CN 0.77 Rich
  • Cdens 0.85 Dense
  • CC3 0.75 High quality
  • Clit 0.84 Well-studied
  • Cdup 1.0 Unique
πŸ“₯ Members πŸ“Š Colab πŸ”¬ Bayestar19 MOCAMOCA πŸ” CDS πŸ” Simbad πŸ” CDS (Ξ±, Ξ΄) πŸ” Simbad (Ξ±, Ξ΄)

Overview
ℹ️
Alessi 60 is a rich, dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is well-studied in the literature.

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

Cavallo et al. (2024)
Gold sample.

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

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hu et al. (2021)
Ellipticities (core, all): e_core=0.1288, e_all=0.0778.

Bica et al. (2019)
Web updates in DAML02, some were later removed (2003 to 2010). List of clusters and alike reported by B. Alessi. The Preliminary Amateur Open Cluster Catalog, Version 08/03/2003.

Data
πŸ” Search references for Alessi 60 in: SciX Simbad
ℹ️
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 105.611 -1.124 0.335 -0.847 -0.662 55.014
Li et al. 2025 105.619 -1.12 0.336 -0.83 -0.653 –
Almeida et al. 2025 105.615 -1.12 – – – –
Zhang et al. 2024 105.62 -1.12 – – – –
Hunt & Reffert 2024 105.62 -1.12 0.333 -0.838 -0.643 55.01
Cavallo et al. 2024 105.607 -1.147 0.334 – – –
Hunt & Reffert 2023 105.62 -1.12 0.333 -0.838 -0.643 55.01
Just et al. 2023 105.619 -1.116 – – – –
Dias et al. 2021 105.615 -1.12 0.338 -0.83 -0.665 –
Cantat-Gaudin et al. 2020 105.619 -1.12 0.336 -0.83 -0.653 –
SΓ‘nchez et al. 2020 105.625 -1.131 – -0.786 -0.689 –
Zhong et al. 2020 105.619 -1.12 – -0.83 -0.653 63.091
Cantat-Gaudin & Anders 2020 105.619 -1.12 0.336 -0.83 -0.653 –
Liu & Pang 2019 105.617 -1.114 0.338 -0.778 -0.495 –
Bossini et al. 2019 105.619 -1.12 – – – –
Soubiran et al. 2018 105.619 -1.12 – – – 55.49
Bica et al. 2019 105.621 -1.133 – – – –
Cantat-Gaudin et al. 2018 105.619 -1.12 0.336 -0.83 -0.653 –
Dias et al. 2018 – – – -0.85 -1.3 –
Loktin & Popova 2017 105.63 -1.13 – -0.72 -0.39 –
Sampedro et al. 2017 105.625 -1.131 – -1.13 -0.59 –
Kharchenko et al. 2016 105.619 -1.116 – – – –
Dias et al. 2014 105.625 -1.131 – -0.96 -1.06 –
Kharchenko et al. 2013 105.625 -1.117 – -1.6 -0.28 –
Bukowiecki et al. 2011 105.629 -1.118 – – – –
Kronberger et al. 2006 105.619 -1.139 – – – –
Dias et al. 2002 105.625 -1.131 – -0.96 -1.06 –

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– 2.74 0.82 0.79 427 0.000 394 – –
Li et al. 2025 2.67 0.65 – 568 -0.125 – – –
Almeida et al. 2025 2.50 0.97 – 316 – 374 – –
Zhang et al. 2024 – – – – -0.073(1) – – –
Hunt & Reffert 2024 2.60 0.48 0.79 484 – 579(1) – –
Cavallo et al. 2024 2.69 0.82 – 339 0.060 – – –
Hunt & Reffert 2023 2.60 0.48 0.79 483 – – – –
Just et al. 2023 – – – 437 – 144 – –
Dias et al. 2021 2.50 0.97 – 316 -0.146 – – –
Cantat-Gaudin et al. 2020 2.95 0.83 – 224 – – – –
Kounkel et al. 2020 2.92 0.81 – 427 – – – –
Zhong et al. 2020 2.74(1) 0.93 – 8338 0.000 – – –
Cantat-Gaudin & Anders 2020 2.74 – – – – – – –
Liu & Pang 2019 – – – 186 0.250 – – –
Bossini et al. 2019 3.18 0.91 – 218 0.000 – – –
Soubiran et al. 2018 2.74 – – – – – – –
Cantat-Gaudin et al. 2018 2.74 – – – – – – –
Loktin & Popova 2017 4.62 0.50 – 550 – – – –
Kharchenko et al. 2016 2.61 0.66 – 437 – – – –
Kharchenko et al. 2013 2.61 0.66 – 437 – – – –
Bukowiecki et al. 2012 – – – – – 413 – –
Bukowiecki et al. 2011 2.92(1) 0.95 – 251 – – – –
Dias et al. 2002 2.91 0.98 – 251 – – – –

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

Visualization
ℹ️
Alessi 60 UCC
Alessi 60 HUNT23
Alessi 60 CANTAT20
Galactocentric position diagram