FoF 2118

0.56 UTI

0.81

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 248

Stellar density (N₅₀/rad) 23.2 [N/pc²]

C3 classification AA

C_N 0.81 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

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

Overview

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FoF 2118 is a rich, very dense object of very high C3 quality. Its parallax locates it at a relatively close^* distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, metal-poor, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

(*): The parallax distance estimate (~1.58 kpc) differs significantly from the median photometric distance (~2.97 kpc).

Note: This object shares a significant percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

Relatively close High extinction Massive Metal-poor Intermediate age

Data

🔍 Search references for FoF 2118 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–	282.32	-4.475	0.631	1.097	0.082	-9.578
Wei et al.	2025	282.309	-4.479	0.62	1.109	0.059	–
Liu & Pang	2019	282.311	-4.468	0.673	1.083	0.148	–

💡 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–	2.97	3.35	–	966	-0.500	2718	0.5	–
Wei et al.	2025	2.97	3.35	–	1000	-0.750	2718	0.50	–
Liu & Pang	2019	–	–	–	933	-0.250	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 111	100.0	282.31	-4.47	0.61	1.1	0.07	-9.04	0.45
FoF 2117	62.9	282.31	-4.47	0.61	1.1	0.07	-9.91	0.7
UBC 574	31.5	282.34	-4.41	0.61	1.09	0.1	-8.83	0.0
UBC 354	4.0	282.39	-4.36	0.6	1.22	0.09	-10.05	0.0

💡 Note: The % column shows the percentage of members that FoF 2118 shares with each listed object.

Visualization

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