OC 0442

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0.45 UTI
0.26
CN
1.0
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members) 4.4 [arcmin]
  • CN 0.26 Poorly populated
  • Cdens 1.0 Very dense
  • CC3 0.5 Intermediate quality
  • Clit 0.25 Poorly studied
  • Cdup 1.0 Unique

Overview

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OC 0442 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

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

Relatively 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 – 126.038 -32.555 0.592 -4.283 3.258 -8.43
Hunt & Reffert 2024 126.049 -32.579 0.585 -4.28 3.267 6.313
Cavallo et al. 2024 126.057 -32.553 0.586 – – –
Hunt & Reffert 2023 126.049 -32.579 0.585 -4.28 3.267 6.313
Hao et al. 2022 126.05 -32.585 0.589 -4.303 3.262 –

💡 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 – – – – – 150* – –
Cavallo et al. 2024 1.58 0.45 – 269 0.000 – – –
Hunt & Reffert 2023 1.62 0.18 0.53 169 – – – –
Hao et al. 2022 – 2.18 – 100 0.370 – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 13964 100.0 126.04 -32.55 0.58 -4.27 3.28 25.08 0.2
CWNU 228 88.5 126.05 -32.55 0.58 -4.28 3.26 -8.43 0.07

💡 Note: The % column shows the percentage of members that OC 0442 shares with each listed object.

Visualization

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