HSC 584

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0.32 UTI
0.25
CN
1.0
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad) 6.7 [N/pc2]
  • CN 0.25 Poorly populated
  • Cdens 1.0 Very dense
  • CC3 0.38 Low quality
  • Clit 0.0 Rarely studied
  • Cdup 1.0 Unique

Overview

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HSC 584 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Palma et al. (2025)
Classified as optical pair P510, along with Theia_4725.

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– 301.53 36.897 0.332 -3.169 -5.98 -21.558
Hunt & Reffert 2024 301.533 36.906 0.335 -3.187 -5.974 -21.586
Cavallo et al. 2024 301.533 36.883 0.331 – – –
Hunt & Reffert 2023 301.533 36.906 0.335 -3.187 -5.974 -21.586

💡 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– 2.56 3.29 1.26 240 -0.470 418 – –
Hunt & Reffert 2024 – – – – – 418(1) – –
Cavallo et al. 2024 2.20 3.31 – 363 -0.470 – – –
Hunt & Reffert 2023 2.92 3.27 1.26 117 – – – –

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

Visualization

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