Theia 2252

0.02 UTI

0.56

C_N

0.19

C_dens

0.75

C_C3

0.03

C_lit

0.05

C_dup

N_m (P>50%) 63

Core radius and density 2.3 [pc], 0.9 [pc^-2]

C3 classification AB

C_N 0.56 Moderately populated
C_dens 0.19 Very loose
C_C3 0.75 High quality
C_lit 0.03 Rarely studied
C_dup 0.05 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Theia 2252 is a moderately populated, very 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 metal-rich, young cluster, but with a large variance across recent sources for the age parameter (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 Metal-rich Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for Theia 2252 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–	30.943	58.994	0.457	-0.725	-1.315	-34.954
Hunt & Reffert	2024	30.994	58.989	0.457	-0.732	-1.304	-34.739
Cavallo et al.	2024	31.102	58.968	0.458	–	–	–
Hunt & Reffert	2023	30.994	58.989	0.457	-0.732	-1.304	-34.739

💡 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–	2.04	1.64	0.58	55	0.510	411	–	–
Hunt & Reffert	2024	2.03	1.64	0.58	55	–	411⁽¹⁾	–	–
Cavallo et al.	2024	2.20	1.46	–	275	0.510	–	–	–
Hunt & Reffert	2023	2.04	1.64	0.58	55	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 1235	95.2	30.88	59.0	0.46	-0.73	-1.31	-34.95	0.32
CWWDL 13359	19.0	30.86	59.01	0.46	-0.81	-1.2	62.06	0.02

💡 Note: The % column shows the percentage of members that Theia 2252 shares with each listed object.

Visualization

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