CWNU 388

0.21 UTI

0.27

C_N

0.14

C_dens

0.5

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 27

Core radius and density 1.9 [pc], 0.7 [pc^-2]

C3 classification BB

C_N 0.27 Poorly populated
C_dens 0.14 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.06 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 388 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Relatively close Low 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 CWNU 388 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–	307.052	54.449	0.922	-1.736	-6.705	-16.705
Hunt & Reffert	2024	307.105	54.412	0.92	-1.746	-6.657	-4.521
Cavallo et al.	2024	306.727	54.36	0.92	–	–	–
Hunt & Reffert	2023	307.105	54.412	0.92	-1.746	-6.657	-4.521
He et al.	2022	307.146	54.464	0.92	-1.74	-6.68	–

💡 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–	1.055	0.54	1.59	214	0.190	55	–	–
Hunt & Reffert	2024	1.04	0.51	1.59	220	–	55⁽¹⁾	–	–
Cavallo et al.	2024	1.12	0.59	–	209	0.260	–	–	–
Hunt & Reffert	2023	1.04	0.51	1.59	220	–	–	–	–
He et al.	2022	1.07	0.57	–	79	0.119	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization

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