Theia 8

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0.09 UTI
0.55
CN
1.0
Cdens
0.75
CC3
0.0
Clit
0.2
Cdup
Radius (P>50% members) 29.1 [arcmin]
  • CN 0.55 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.0 Rarely studied
  • Cdup 0.2 Likely duplicate

Overview

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Theia 8 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a very close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It was recently reported in the literature.

âš ī¸ Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.

Very close Moderate extinction Near-solar metallicity Very young

Cavallo et al. (2024)
Bronze sample.

Hunt & Reffert (2024)
Classified as a moving group.

Data

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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 315.286 77.044 2.677 5.486 3.682 -20.484
Cavallo et al. 2024 315.009 76.684 2.647 – – –
Hunt & Reffert 2023 315.575 77.017 2.646 5.466 3.431 -34.259

💡 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
Cavallo et al. 2024 0.45 2.50 – 11 0.280 – – –
Hunt & Reffert 2023 0.36 2.71 2.29 7 – – – –
Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 462 80.0 315.38 77.05 2.69 5.38 3.85 -19.5 0.25
OC 0204 41.7 315.52 77.04 2.69 5.27 3.9 -19.5 0.4

💡 Note: The % column shows the percentage of members that Theia 8 shares with each listed object.

Visualization

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