Theia 2266

0.00 UTI

0.65

C_N

0.25

C_dens

0.75

C_C3

0.06

C_lit

0.01

C_dup

N_m (P>50%) 80

Core radius and density 2.7 [pc], 1.3 [pc^-2]

C3 classification AB

C_N 0.65 Moderately populated
C_dens 0.25 Loose
C_C3 0.75 High quality
C_lit 0.06 Rarely studied
C_dup 0.01 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Theia 2266 is a moderately populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported 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.

Relatively close Moderate 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 Theia 2266 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–	102.728	-9.986	0.477	-1.297	1.241	–
Hunt & Reffert	2024	102.721	-10.015	0.468	-1.297	1.247	–
Cavallo et al.	2024	102.738	-9.977	0.471	–	–	–
Hunt & Reffert	2023	102.721	-10.015	0.468	-1.297	1.247	–

💡 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–	1.95	1.14	1.82	233	-0.040	430	–	–
Hunt & Reffert	2024	1.95	1.14	1.82	233	–	430⁽¹⁾	–	–
Cavallo et al.	2024	2.04	1.53	–	219	-0.040	–	–	–
Hunt & Reffert	2023	1.95	1.14	1.82	233	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HXHWL 61	98.8	102.73	-9.97	0.48	-1.29	1.24	–	0.39
UBC 1354	77.5	102.73	-9.98	0.48	-1.3	1.24	–	0.0
CWWDL 13298	58.8	102.73	-9.98	0.47	-1.31	1.24	–	0.0

💡 Note: The % column shows the percentage of members that Theia 2266 shares with each listed object.

Visualization

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