FoF 145

(LP 145)

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0.76 UTI
0.79
CN
1.0
Cdens
1.0
CC3
0.5
Clit
1.0
Cdup
Stellar density (N50/rad) 46.1 [N/pc2]
  • CN 0.79 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.5 Moderately studied
  • Cdup 1.0 Unique

Overview

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FoF 145 is a rich, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by high extinction. It is catalogued as a very massive, near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is moderately studied in the literature.

Note: This object contains blue stragglers according to at least one source.

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

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

Cavallo et al. (2024)
Gold sample.

Data

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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 256.987 -44.152 0.531 -2.122 -5.478 -9.823
Hu & Soubiran 2025 256.968 -44.166 – – – –
Carrasco-Varela et al. 2025 256.957 -44.157 – – – –
Almeida et al. 2025 256.957 -44.157 – – – –
Hunt & Reffert 2024 256.986 -44.156 0.532 -2.114 -5.5 -4.148
Cavallo et al. 2024 256.968 -44.166 0.533 – – –
Hunt & Reffert 2023 256.986 -44.156 0.532 -2.114 -5.5 -4.148
Dias et al. 2021 256.957 -44.157 0.526 -2.116 -5.419 -11.264
Cantat-Gaudin et al. 2020 256.976 -44.157 0.521 -2.091 -5.424 –
Liu & Pang 2019 256.981 -44.132 0.518 -2.103 -5.424 –

💡 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– 1.81 3.82 2.71 714 0.250 5722 – 0.06
Hu & Soubiran 2025 – – – – -0.100(5) – – –
Carrasco-Varela et al. 2025 1.81 3.92 – 714 0.400 – – 0.06(1)
Almeida et al. 2025 1.81 3.72 – 714 – 2944 – –
Hunt & Reffert 2024 – – – – – 8499(1) – –
Cavallo et al. 2024 1.61 4.32 – 617 0.290 – – –
Hunt & Reffert 2023 1.74 4.67 2.71 281 – – – –
Dias et al. 2021 1.81 3.72 – 714 0.073 – – –
Cantat-Gaudin et al. 2020 1.99 3.00 – 1000 – – – –
Liu & Pang 2019 – – – 977 0.250 – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 551 100.0 256.99 -44.16 0.53 -2.12 -5.5 -10.17 0.41

💡 Note: The % column shows the percentage of members that FoF 145 shares with each listed object.

Visualization

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