Theia 227

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0.01 UTI
0.0
CN
0.36
Cdens
0.75
CC3
0.0
Clit
0.04
Cdup
Radius (P>50% members) 24.9 [arcmin]
  • CN 0.0 Sparse
  • Cdens 0.36 Loose
  • CC3 0.75 High quality
  • Clit 0.0 Rarely studied
  • Cdup 0.04 Very likely duplicate

Overview

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Theia 227 is a sparse, loose object of high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

âš ī¸ Warning: This is very 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 Young

Cavallo et al. (2024)
Gold 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 – 272.02 -16.619 2.08 0.008 -3.873 -12.302
Cavallo et al. 2024 271.641 -17.488 2.104 – – –
Hunt & Reffert 2023 272.09 -16.473 2.108 0.019 -3.979 -14.445

💡 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 0.47 1.45 – 36 0.000 – – –
Hunt & Reffert 2023 0.46 1.35 1.90 32 – – – –
Cluster % RA DEC Plx pmRA pmDE Rv UTI
OCSN 4 96.0 272.02 -16.6 2.06 -0.0 -3.87 -12.3 0.31

💡 Note: The % column shows the percentage of members that Theia 227 shares with each listed object.

Visualization

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