UBC 387

0.66 UTI

0.51

C_N

0.86

C_dens

0.75

C_C3

0.6

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 52

Radius (P>50% members) 7.4 [arcmin]

C_N 0.51 Moderately populated
C_dens 0.86 Dense
C_C3 0.75 High quality
C_lit 0.6 Moderately studied
C_dup 1.0 Unique

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

Overview

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UBC 387 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (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.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 387 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	–	326.022	58.748	0.618	-2.227	-4.833	-15.389
Li et al.	2025	326.098	58.756	0.61	-2.206	-4.772	–
Almeida et al.	2025	326.064	58.758	–	–	–	–
Hunt & Reffert	2024	326.099	58.762	0.621	-2.237	-4.832	-23.681
Cavallo et al.	2024	325.92	58.652	0.623	–	–	–
Hunt & Reffert	2023	326.099	58.762	0.621	-2.237	-4.832	-23.681
Almeida et al.	2023	326.069	58.775	–	–	–	–
Tarricq et al.	2022	326.17	58.784	0.604	-2.226	-4.838	–
Dias et al.	2021	326.064	58.758	0.61	-2.213	-4.789	–
Cantat-Gaudin et al.	2020	326.098	58.756	0.61	-2.206	-4.772	–
Castro-Ginard et al.	2020	326.062	58.764	0.612	-2.205	-4.769	–

💡 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	1.30	1.53	–	575	-0.081	–	–	–
Almeida et al.	2025	1.56	1.70	–	347	–	132	–	–
Hunt & Reffert	2024	–	–	–	–	–	205*	–	–
Cavallo et al.	2024	1.49	1.50	–	468	0.380	–	–	–
Hunt & Reffert	2023	1.55	1.68	1.16	292	–	–	–	–
Almeida et al.	2023	1.53	1.75	–	371	0.056	166*	0.78	–
Tarricq et al.	2022	1.45	–	–	490	–	–	–	–
Dias et al.	2021	1.56	1.70	–	347	0.091	–	–	–
Cantat-Gaudin et al.	2020	1.52	1.31	–	427	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14069	67.3	326.1	58.76	0.61	-2.23	-4.83	-25.16	0.0

💡 Note: The % column shows the percentage of members that UBC 387 shares with each listed object.

Visualization

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