FoF 2100

0.62 UTI

0.76

C_N

1.0

C_dens

0.75

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 129

Stellar density (N₅₀/rad) 14.2 [N/pc²]

C3 classification AB

C_N 0.76 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.3 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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FoF 2100 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for FoF 2100 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–	227.593	-60.493	0.482	-3.395	-3.496	-28.113
Hunt & Reffert	2024	227.588	-60.499	0.479	-3.399	-3.508	-27.993
Cavallo et al.	2024	227.604	-60.481	0.479	–	–	–
Hunt & Reffert	2023	227.588	-60.499	0.479	-3.399	-3.508	-27.993
Cantat-Gaudin et al.	2020	227.612	-60.495	0.481	-3.383	-3.509	–
Liu & Pang	2019	227.588	-60.484	0.453	-3.492	-3.443	–

💡 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–	1.98	1.75	1.41	334	0.465	668	–	–
Hunt & Reffert	2024	–	–	–	–	–	668⁽¹⁾	–	–
Cavallo et al.	2024	1.98	1.76	–	417	0.430	–	–	–
Hunt & Reffert	2023	1.92	1.75	1.41	151	–	–	–	–
Cantat-Gaudin et al.	2020	2.00	1.39	–	251	–	–	–	–
Liu & Pang	2019	–	–	–	525	0.500	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 305	92.2	227.59	-60.48	0.48	-3.39	-3.5	-28.11	0.07
CWWDL 919	30.2	227.59	-60.52	0.49	-3.45	-3.52	-28.11	0.02

💡 Note: The % column shows the percentage of members that FoF 2100 shares with each listed object.

Visualization

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