Theia 2179

0.39 UTI

0.48

C_N

0.61

C_dens

0.38

C_C3

0.25

C_lit

1.0

C_dup

N₅₀ (P>50% members) 48

Stellar density (N₅₀/rad) 3.0 [N/pc²]

C3 classification CB

C_N 0.48 Poorly populated
C_dens 0.61 Moderately dense
C_C3 0.38 Low quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Theia 2179 is a poorly populated, moderately dense object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Metal-rich Young

Liu et al. (2025)
Classified as primordial binary cluster 362 along with UBC_531.

Palma et al. (2025)
Classified as genetic pair P244, along with UBC_531.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Theia 2179 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–	211.348	-62.654	0.351	-5.4	-2.7	-32.579
Hunt & Reffert	2024	211.436	-62.647	0.359	-5.364	-2.691	-40.465
Cavallo et al.	2024	211.382	-62.658	0.359	–	–	–
Hunt & Reffert	2023	211.436	-62.647	0.359	-5.364	-2.691	-40.465

💡 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–	2.44	2.13	2.88	51	0.610	634	–	–
Liu et al.	2025	6.58	0.81	–	51	–	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	634⁽¹⁾	–	–
Cavallo et al.	2024	2.44	2.20	–	89	0.610	–	–	–
Hunt & Reffert	2023	2.41	2.13	2.88	40	–	–	–	–

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

Visualization

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