FSR 0102

(MWSC 2864)

0.22 UTI

0.0

C_N

0.15

C_dens

0.38

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 22

Stellar density (N₅₀/rad) 0.7 [N/pc²]

C3 classification BC

C_N 0.0 Sparse
C_dens 0.15 Very loose
C_C3 0.38 Low 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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FSR 0102 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate^* distance, well above the mid-plane, affected by moderate extinction. It is catalogued as an old cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~3.55 kpc) differs significantly from the median photometric distance (~2.15 kpc).

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Relatively close Moderate extinction Old

Data

🔍 Search references for FSR 0102 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–	274.107	7.428	0.281	-3.977	-5.61	-19.855
Just et al.	2023	274.116	7.39	–	–	–	–
Bica et al.	2019	274.112	7.388	–	–	–	–
Kharchenko et al.	2016	274.116	7.39	–	–	–	–
Kharchenko et al.	2013	274.122	7.391	–	-1.3	-5.93	–
Froebrich et al.	2007	274.108	7.391	–	–	–	–

💡 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–	2.15	2.26	–	1035	–	125	–	–
Just et al.	2023	–	–	–	1035	–	125	–	–
Kharchenko et al.	2016	2.15	2.26	–	1035	–	–	–	–
Kharchenko et al.	2013	2.15	2.26	–	1035	–	–	–	–

Visualization

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