UBC 238

0.02 UTI

0.77

C_N

0.47

C_dens

1.0

C_C3

0.06

C_lit

0.05

C_dup

N_m (P>50%) 156

Core radius and density 2.0 [pc], 2.3 [pc^-2]

C3 classification AA

C_N 0.77 Rich
C_dens 0.47 Loose
C_C3 1.0 Very high quality
C_lit 0.06 Rarely studied
C_dup 0.05 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 238 is a rich, loose object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, very young cluster (see Parameters). It is rarely studied in the literature.

⚠️ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.

Distant Moderate extinction Massive Very young

Data

🔍 Search references for UBC 238 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–	117.033	-33.713	0.261	-2.15	3.118	110.581
Celli et al.	2024	117.053	-33.703	–	–	–	–
Cantat-Gaudin et al.	2020	117.053	-33.703	0.241	-2.118	3.121	–
Castro-Ginard et al.	2020	117.084	-33.645	0.24	-2.116	3.131	–

💡 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–	3.345	2.98	–	19	–	1396	–	–
Celli et al.	2024	–	–	–	20	–	1396	–	–
Cantat-Gaudin et al.	2020	3.50	3.02	–	19	–	–	–	–
Kounkel et al.	2020	3.19	2.94	–	13	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
FSR 1347	94.9	117.03	-33.71	0.26	-2.15	3.12	110.58	0.53

💡 Note: The % column shows the percentage of members that UBC 238 shares with each listed object.

Visualization

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