Waterloo 3

(MWSC 1381)

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0.58 UTI
0.47
CN
0.46
Cdens
0.75
CC3
0.6
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 47
Radius (P>50% members) 3.0 [arcmin]
  • CN 0.47 Poorly populated
  • Cdens 0.46 Loose
  • CC3 0.75 High quality
  • Clit 0.6 Moderately studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Waterloo 3 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.

Very distant Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Waterloo 3 in: SciX Simbad
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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 118.775 -25.356 0.193 -2.365 2.685 91.877
Hunt & Reffert 2024 118.778 -25.358 0.197 -2.408 2.671 116.962
Cavallo et al. 2024 118.818 -25.422 0.196 – – –
Hunt & Reffert 2023 118.778 -25.358 0.197 -2.408 2.671 116.962
Just et al. 2023 118.761 -25.369 – – – –
Monteiro & Dias 2019 118.775 -25.365 – -2.331 2.67 2.232
Kharchenko et al. 2016 118.761 -25.369 – – – –
Dias et al. 2014 118.775 -25.365 – -2.11 2.83 –
Kharchenko et al. 2013 118.767 -25.372 – -1.18 3.41 –
van den Bergh 2006 118.775 -25.365 – – – –
Dias et al. 2002 118.775 -25.365 – -1.18 3.41 –

💡 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 – – – – – 356* – –
Cavallo et al. 2024 3.61 0.76 – 309 -0.200 – – –
Hunt & Reffert 2023 5.11 0.43 1.35 282 – – – –
Just et al. 2023 – – – 316 – 224 – –
Monteiro & Dias 2019 7.96 1.40 – 10 0.036 – – –
Kharchenko et al. 2016 2.59 1.29 – 316 – – – –
Kharchenko et al. 2013 2.59 1.29 – 316 – – – –
van den Bergh 2006 5.20 1.05 – – – – – –
Dias et al. 2002 5.20 1.05 – – – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 465 59.6 118.84 -25.42 0.19 -2.4 2.68 – 0.14

💡 Note: The % column shows the percentage of members that Waterloo 3 shares with each listed object.

Visualization
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Waterloo 3 UCC
Waterloo 3 HUNT23
Galactocentric position diagram