FoF 1142

(LP 1142)

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0.50 UTI
0.75
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members) 1.8 [arcmin]
  • CN 0.75 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.0 Rarely studied
  • Cdup 1.0 Unique

Overview

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FoF 1142 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

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

Distant High extinction Massive Near-solar metallicity Intermediate age

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

Data

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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 197.616 -63.398 0.239 -6.406 -1.208 -54.213
Almeida et al. 2025 197.645 -63.395 – – – –
He et al. 2023 197.623 -63.398 0.24 -6.406 -1.23 -54.39
Dias et al. 2021 197.645 -63.395 0.25 -6.405 -1.121 –

💡 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
Almeida et al. 2025 4.31 3.40 – 624 – 2587 – –
He et al. 2023 3.55 4.40 – 251 – – – –
Dias et al. 2021 4.31 3.40 – 624 0.224 – – –
Cluster % RA DEC Plx pmRA pmDE Rv UTI
HSC 2561 72.7 197.62 -63.4 0.24 -6.42 -1.23 -54.39 0.02

💡 Note: The % column shows the percentage of members that FoF 1142 shares with each listed object.

Visualization

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