FSR 0381

(MWSC 3652; MWSC 3649)

0.52 UTI

0.52

C_N

0.45

C_dens

1.0

C_C3

0.32

C_lit

1.0

C_dup

N_m (P>50%) 53

Core radius and density 1.9 [pc], 2.2 [pc^-2]

C3 classification AA

C_N 0.52 Moderately populated
C_dens 0.45 Loose
C_C3 1.0 Very high quality
C_lit 0.32 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 0381 is a moderately populated, loose object of very high C3 quality. Its parallax locates it at a moderate distance, near 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 a later reported entry. See table with shared members information.

Distant Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for FSR 0381 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–	340.555	58.351	0.272	-3.142	-2.304	–
Hunt & Reffert	2024	340.558	58.34	0.278	-3.159	-2.294	–
Cavallo et al.	2024	340.558	58.352	0.276	–	–	–
Hunt & Reffert	2023	340.558	58.34	0.278	-3.159	-2.294	–
Just et al.	2023	340.526	58.337	–	–	–	–
Bica et al.	2019	340.558	58.334	–	–	–	–
Sampedro et al.	2017	340.554	58.331	–	-0.18	-6.07	–
Kharchenko et al.	2016	340.526	58.337	–	–	–	–
Dias et al.	2014	340.554	58.331	–	-0.36	-4.85	–
Kharchenko et al.	2013	340.533	58.34	–	-3.95	-0.52	–
Kharchenko et al.	2012	340.533	58.34	–	-3.14	-0.37	–
Froebrich et al.	2007	340.554	58.331	–	–	–	–
Dias et al.	2002	340.554	58.331	–	-3.14	-0.37	–

💡 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–	3.43	2.43	0.33	178	0.050	846	–	–
Hunt & Reffert	2024	3.43	2.01	0.33	40	–	573⁽¹⁾	–	–
Cavallo et al.	2024	3.27	2.19	–	62	0.050	–	–	–
Hunt & Reffert	2023	3.43	2.01	0.33	40	–	–	–	–
Just et al.	2023	–	–	–	178	–	1119	–	–
Kharchenko et al.	2016	3.55	2.43	–	178	–	–	–	–
Kharchenko et al.	2013	3.55	2.43	–	178	–	–	–	–
Kharchenko et al.	2012	3.39	2.43	–	955	–	–	–	–
Dias et al.	2002	3.39	2.43	–	955	–	–	–	–

(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 1172	86.8	340.55	58.35	0.27	-3.14	-2.3	–	0.0

💡 Note: The % column shows the percentage of members that FSR 0381 shares with each listed object.

Visualization

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