Waterloo 3

(MWSC 1381)

0.42 UTI

0.47

C_N

0.28

C_dens

0.75

C_C3

0.29

C_lit

1.0

C_dup

N_m (P>50%) 47

Core radius and density 1.6 [pc], 1.4 [pc^-2]

C3 classification AB

C_N 0.47 Poorly populated
C_dens 0.28 Loose
C_C3 0.75 High quality
C_lit 0.29 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, 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 poorly 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.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.99 (50th percentile).

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	99999–	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	–
Bukowiecki et al.	2011	118.775	-25.355	–	–	–	–
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]	B_frac	BSS
UCC	99999–	5.11	1.07	1.35	309	-0.082	290	–	–
Hunt & Reffert	2024	5.11	0.43	1.35	282	–	356⁽¹⁾	–	–
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	1.43	–	10	0.036	–	–	–
Kharchenko et al.	2016	2.59	1.31	–	316	–	–	–	–
Kharchenko et al.	2013	2.59	1.31	–	316	–	–	–	–
van den Bergh	2006	5.20	1.07	–	–	–	–	–	–
Dias et al.	2002	5.20	1.07	–	–	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter 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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