FoF 2439

0.58 UTI

0.88

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AA

Number of members (P>50%) 450

Radius (P>50% members) 60.3 [arcmin]

C_N 0.88 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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FoF 2439 is a rich, very dense object of very high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a significant percentage of members with 3 later reported entries. See table with shared members information.

Very close Low extinction Metal-rich Very young

Data

🔍 Search references for FoF 2439 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	–	103.558	-5.876	3.499	-7.361	-2.449	20.157
Wei et al.	2025	103.681	-5.956	3.498	-7.362	-2.433	–
He et al.	2022	103.367	-5.891	3.496	-7.324	-2.437	–
Liu & Pang	2019	103.588	-5.894	3.542	-7.381	-2.569	–

💡 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
Wei et al.	2025	0.25	1.10	–	7	0.500	292	0.14	–
He et al.	2022	–	0.05	–	18	–	–	–	–
Liu & Pang	2019	–	–	–	8	0.500	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv
OCSN 211	71.8	103.61	-5.94	3.49	-7.37	-2.43	20.37
ZHBJZ 1	54.0	103.74	-5.89	3.49	-7.41	-2.44	20.51
CWWDL 14686	5.6	102.72	-6.3	3.61	-7.13	-2.37	23.6

💡 Note: The % column shows the percentage of members that FoF 2439 shares with each listed object.

Visualization

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