UFMG 83

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0.63 UTI
0.64
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members) 2.6 [arcmin]
  • CN 0.64 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.25 Poorly studied
  • Cdup 1.0 Unique

Overview

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UFMG 83 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a moderate* distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, very metal-poor, young cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~3.37 kpc) differs significantly from the median photometric distance (~2.03 kpc).

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

Relatively close High extinction Massive Very metal-poor Young

Cavallo et al. (2024)
Bronze sample.

Data

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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 268.112 -28.189 0.296 -0.021 -1.978 -15.573
Hunt & Reffert 2024 268.11 -28.182 0.287 -0.024 -2.023 1.961
Cavallo et al. 2024 268.088 -28.196 0.288 – – –
Hunt & Reffert 2023 268.11 -28.182 0.287 -0.024 -2.023 1.961
Ferreira et al. 2021 268.085 -28.174 0.3 -0.101 -2.035 –

💡 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 – – – – – 2012* – –
Cavallo et al. 2024 2.03 4.29 – 45 -1.640 – – –
Hunt & Reffert 2023 3.19 3.22 2.72 54 – – – –
Ferreira et al. 2021 1.70 2.42 – 631 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 1671 77.9 268.11 -28.19 0.3 -0.03 -1.94 -14.58 0.13
UBC 1002 76.6 268.11 -28.19 0.28 0.0 -1.96 -12.71 0.14

💡 Note: The % column shows the percentage of members that UFMG 83 shares with each listed object.

Visualization

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