COIN-Gaia 1

(COIN 1)

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0.75 UTI
0.77
CN
1.0
Cdens
1.0
CC3
0.5
Clit
1.0
Cdup
Radius (P>50% members) 18.3 [arcmin]
  • CN 0.77 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.5 Moderately studied
  • Cdup 1.0 Unique

Overview

COIN-Gaia 1 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, above the mid-plane. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

Data

Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 11.82 66.747 1.552 -5.04 -3.146 -14.34
Almeida et al. 2025 11.999 66.782
Alfonso et al. 2024 11.803 66.687 1.51 -5.006 -3.114
He et al. 2022 11.986 66.757 1.552 -5.023 -3.137
Dias et al. 2021 11.999 66.782 1.547 -5.021 -3.047
Cantat-Gaudin et al. 2020 11.933 66.769 1.546 -5.034 -3.048
Monteiro & Dias 2019 11.933 66.769 2.687
Cantat-Gaudin et al. 2019 11.933 66.769 1.55 -5.03 -3.04

💡 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 0.64 1.62 239 201
Alfonso et al. 2024 0.66 1.13 224 0.035
He et al. 2022 1.80 112
Tarricq et al. 2022 0.65 200
Dias et al. 2021 0.64 1.62 239 0.035
Cantat-Gaudin et al. 2020 0.66 1.13 182
Monteiro & Dias 2019 0.67 1.29 543 0.036
Cantat-Gaudin et al. 2019 0.64

💡 Note: The parameters are sometimes transformed from their original values to match the format of the columns shown here, see FAQ. The columns DAv, Bfr, BSS correspond to differential extinction, binary fraction, and blue stragglers, respectively. BSS values can be listed as fractions or integers.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Steine 12 94.1 11.81 66.74 1.55 -5.04 -3.15 -13.82 0.02
UBC 34 83.7 11.8 66.75 1.55 -5.03 -3.14 -15.01 0.0

💡 Note: The % column shows the percentage of members that COIN-Gaia 1 shares with each listed object.

Visualization

Galactocentric position diagram

💡 Note: How are the galactocentric plots generated? See FAQ.