FoF 2339

(LP 2339)

0.60 UTI

0.75

C_N

1.0

C_dens

0.75

C_C3

0.25

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 112

Radius (P>50% members) 11.7 [arcmin]

C_N 0.75 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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FoF 2339 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.

Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Young

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit. Silver sample.

Data

🔍 Search references for FoF 2339 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	–	290.723	18.682	0.92	-1.02	-6.157	-1.961
Almeida et al.	2025	290.669	18.676	–	–	–	–
Almeida et al.	2023	290.681	18.68	–	–	–	–
He et al.	2022	290.732	18.692	0.926	-1.022	-6.157	–
Dias et al.	2021	290.669	18.676	0.905	-1.006	-6.097	–

💡 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]	Bfr	BSS
Almeida et al.	2025	1.01	2.57	–	69	–	289	–	–
Almeida et al.	2023	1.03	2.65	–	89	0.156	244*	0.70	–
He et al.	2022	–	3.20	–	40	–	–	–	–
Dias et al.	2021	1.01	2.57	–	69	0.206	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 1796	100.0	290.74	18.7	0.92	-1.03	-6.15	-1.79	0.09

💡 Note: The % column shows the percentage of members that FoF 2339 shares with each listed object.

Visualization

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