UBC 336

0.70 UTI

0.77

C_N

1.0

C_dens

1.0

C_C3

0.38

C_lit

1.0

C_dup

C3 classification AA

Number of members (P>50%) 155

Radius (P>50% members) 3.5 [arcmin]

C_N 0.77 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.38 Poorly studied
C_dup 1.0 Unique

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

Overview

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UBC 336 is a rich, 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, metal-poor, intermediate-age cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is poorly studied in the literature.

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

Relatively close High extinction Massive Metal-poor Intermediate age

Cavallo et al. (2024)
Silver sample.

Data

🔍 Search references for UBC 336 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	–	267.984	-27.834	0.346	0.733	0.129	-25.542
Li et al.	2025	267.98	-27.85	0.31	0.736	0.156	–
Hunt & Reffert	2024	267.983	-27.85	0.353	0.713	0.116	-16.158
Cavallo et al.	2024	267.991	-27.829	0.351	–	–	–
Hunt & Reffert	2023	267.983	-27.85	0.353	0.713	0.116	-16.158
Cantat-Gaudin et al.	2020	267.98	-27.85	0.31	0.736	0.156	–
Castro-Ginard et al.	2020	267.976	-27.834	0.312	0.746	0.143	–

💡 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
Li et al.	2025	1.97	2.43	–	672	0.038	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	2346*	–	–
Cavallo et al.	2024	2.92	3.52	–	48	-1.120	–	–	–
Hunt & Reffert	2023	2.52	3.16	2.54	139	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 1676	40.6	267.98	-27.85	0.35	0.74	0.13	-25.9	0.0
OC 0001	17.4	267.98	-27.85	0.34	0.75	0.13	-26.09	0.0

💡 Note: The % column shows the percentage of members that UBC 336 shares with each listed object.

Visualization

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