Theia 3329

0.09 UTI

0.26

C_N

0.2

C_dens

0.75

C_C3

0.03

C_lit

0.35

C_dup

N_m (P>50%) 26

Core radius and density 1.3 [pc], 1.0 [pc^-2]

C3 classification AB

C_N 0.26 Poorly populated
C_dens 0.2 Very loose
C_C3 0.75 High quality
C_lit 0.03 Rarely studied
C_dup 0.35 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Theia 3329 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

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

Close Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.97 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.97 (50th percentile).

Data

🔍 Search references for Theia 3329 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–	255.374	-25.692	1.022	-0.599	0.304	-18.548
Hunt & Reffert	2024	255.407	-25.706	1.011	-0.728	0.332	-16.086
Cavallo et al.	2024	255.341	-25.678	1.017	–	–	–
Hunt & Reffert	2023	255.407	-25.706	1.011	-0.728	0.332	-16.086

💡 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–	0.95	0.51	0.58	291	0.210	77	–	–
Hunt & Reffert	2024	0.95	0.51	0.58	291	–	77⁽¹⁾	–	–
Cavallo et al.	2024	0.99	0.84	–	115	0.210	–	–	–
Hunt & Reffert	2023	0.95	0.51	0.58	291	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 291	65.4	255.37	-25.72	1.02	-0.54	0.34	-15.25	0.22

💡 Note: The % column shows the percentage of members that Theia 3329 shares with each listed object.

Visualization

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