Theia 665

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0.31 UTI
0.27
CN
0.91
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members) 10.8 [arcmin]
  • CN 0.27 Poorly populated
  • Cdens 0.91 Very dense
  • CC3 0.38 Low quality
  • Clit 0.0 Rarely studied
  • Cdup 1.0 Unique

Overview

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Theia 665 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Close Low extinction Near-solar metallicity Intermediate age

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 – 120.625 -32.215 1.291 -3.792 3.666 14.411
Hunt & Reffert 2024 120.695 -32.273 1.284 -3.823 3.68 16.547
Cavallo et al. 2024 120.642 -32.32 1.282 – – –
Hunt & Reffert 2023 120.695 -32.273 1.284 -3.823 3.68 16.547

💡 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
Hunt & Reffert 2024 – – – – – 87* – –
Cavallo et al. 2024 0.77 0.46 – 148 0.300 – – –
Hunt & Reffert 2023 0.73 0.20 0.62 275 – – – –

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

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