Theia 1754

0.03 UTI

0.56

C_N

0.34

C_dens

1.0

C_C3

0.03

C_lit

0.06

C_dup

N_m (P>50%) 62

Core radius and density 1.8 [pc], 1.7 [pc^-2]

C3 classification AA

C_N 0.56 Moderately populated
C_dens 0.34 Loose
C_C3 1.0 Very high quality
C_lit 0.03 Rarely studied
C_dup 0.06 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Theia 1754 is a moderately populated, loose object of very high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a very metal-rich, young 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 Very metal-rich Young

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 1754 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–	295.703	23.698	0.55	-1.781	-4.22	27.398
Hunt & Reffert	2024	295.689	23.653	0.547	-1.788	-4.218	27.701
Cavallo et al.	2024	295.709	23.694	0.55	–	–	–
Hunt & Reffert	2023	295.689	23.653	0.547	-1.788	-4.218	27.701

💡 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–	1.75	2.47	1.77	75	1.050	343	–	–
Hunt & Reffert	2024	1.75	2.47	1.77	75	–	343⁽¹⁾	–	–
Cavallo et al.	2024	2.05	2.06	–	151	1.050	–	–	–
Hunt & Reffert	2023	1.75	2.47	1.77	75	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
PHOC 13	93.5	295.7	23.7	0.54	-1.77	-4.23	27.71	0.4

💡 Note: The % column shows the percentage of members that Theia 1754 shares with each listed object.

Visualization

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