Theia 1179

0.25 UTI

0.43

C_N

0.11

C_dens

0.5

C_C3

0.1

C_lit

1.0

C_dup

N_m (P>50%) 43

Core radius and density 3.6 [pc], 0.5 [pc^-2]

C3 classification BB

C_N 0.43 Poorly populated
C_dens 0.11 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.1 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Theia 1179 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Close Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.71 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.71 (50th percentile).

Data

🔍 Search references for Theia 1179 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–	126.405	-42.943	1.013	-0.905	1.516	-4.259
Hunt & Reffert	2024	126.433	-42.983	1.019	-0.922	1.575	-3.83
Cavallo et al.	2024	126.374	-42.876	1.019	–	–	–
Hunt & Reffert	2023	126.433	-42.983	1.019	-0.922	1.575	-3.83
He et al.	2022	126.326	-42.825	1.015	-0.924	1.57	–
Kounkel & Covey	2019	126.25	-43.136	1.133	–	–	–

💡 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	0.75	1.34	363	0.480	100	–	–
Hunt & Reffert	2024	0.95	0.75	1.34	256	–	100⁽¹⁾	–	–
Cavallo et al.	2024	0.96	0.68	–	363	0.480	–	–	–
Hunt & Reffert	2023	0.95	0.76	1.34	256	–	–	–	–
He et al.	2022	–	1.05	–	501	–	–	–	–
Kounkel & Covey	2019	0.88	0.49	–	979	–	–	–	–

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

Visualization

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