UBC 664

0.47 UTI

0.29

C_N

0.41

C_dens

0.75

C_C3

0.44

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 29

Radius (P>50% members) 3.8 [arcmin]

C_N 0.29 Poorly populated
C_dens 0.41 Loose
C_C3 0.75 High quality
C_lit 0.44 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UBC 664 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.

Relatively close Moderate extinction Near-solar metallicity Very young

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 664 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	–	226.11	-60.853	0.295	-4.39	-3.364	-38.261
Almeida et al.	2025	226.115	-60.874	–	–	–	–
Hunt & Reffert	2024	226.116	-60.85	0.297	-4.44	-3.338	-74.823
Cavallo et al.	2024	226.104	-60.867	0.298	–	–	–
Hunt & Reffert	2023	226.116	-60.85	0.297	-4.44	-3.338	-74.823
Dias et al.	2021	226.115	-60.874	0.288	-4.349	-3.358	–
Cantat-Gaudin et al.	2020	226.132	-60.862	0.296	-4.362	-3.377	–
Castro-Ginard et al.	2020	226.125	-60.868	0.296	-4.353	-3.377	–

💡 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
Almeida et al.	2025	3.27	2.02	–	11	–	430	–	–
Hunt & Reffert	2024	–	–	–	–	–	563*	–	–
Cavallo et al.	2024	2.24	2.24	–	15	-0.330	–	–	–
Hunt & Reffert	2023	2.92	2.09	2.45	14	–	–	–	–
Dias et al.	2021	3.27	2.02	–	11	0.356	–	–	–
Cantat-Gaudin et al.	2020	2.99	1.62	–	41	–	–	–	–

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

Visualization

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