FSR 0519

(MWSC 83; FoF 550)

0.55 UTI

0.59

C_N

0.22

C_dens

1.0

C_C3

0.48

C_lit

1.0

C_dup

N_m (P>50%) 68

Core radius and density 2.3 [pc], 1.1 [pc^-2]

C3 classification AA

C_N 0.59 Moderately populated
C_dens 0.22 Very loose
C_C3 1.0 Very high quality
C_lit 0.48 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 0519 is a moderately populated, very loose object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the mass parameter (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 Young

Palma et al. (2025)
Classified as optical pair P277, along with Casado_12.

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.98 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.98 (50th percentile).

Data

🔍 Search references for FSR 0519 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–	13.155	64.628	0.34	-2.433	-0.379	–
Hunt & Reffert	2024	13.161	64.617	0.343	-2.439	-0.377	-66.704
Cavallo et al.	2024	12.987	64.582	0.344	–	–	–
Hunt & Reffert	2023	13.161	64.617	0.343	-2.439	-0.377	-66.704
Just et al.	2023	13.112	64.663	–	–	–	–
Cantat-Gaudin & Anders	2020	13.092	64.596	0.324	-2.423	-0.331	–
Liu & Pang	2019	13.179	64.618	0.35	-2.437	-0.276	–
Cantat-Gaudin et al.	2019	13.092	64.596	0.32	-2.42	-0.33	–
Bica et al.	2019	13.135	64.651	–	–	–	–
Dib et al.	2018	13.122	64.667	–	–	–	–
Sampedro et al.	2017	13.125	64.651	–	-2.85	-0.69	–
Joshi et al.	2016	13.122	64.667	–	–	–	–
Kharchenko et al.	2016	13.112	64.663	–	–	–	–
Kharchenko et al.	2013	13.122	64.667	–	0.03	2.47	–
Kharchenko et al.	2012	13.122	64.667	–	-0.68	1.43	–
Froebrich et al.	2007	13.125	64.651	–	–	–	–
Dias et al.	2002	13.125	64.651	–	-5.38	-2.55	–

💡 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–	2.09	2.21	1.92	38	0.345	508	–	–
Hunt & Reffert	2024	2.66	2.36	1.92	53	–	947⁽¹⁾	–	–
Cavallo et al.	2024	2.86	2.38	–	60	0.190	–	–	–
Hunt & Reffert	2023	2.66	2.36	1.92	53	–	–	–	–
Just et al.	2023	–	–	–	22	–	69	–	–
Kounkel et al.	2020	3.10	2.36	–	78	–	–	–	–
Cantat-Gaudin & Anders	2020	2.83	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	6	0.500	–	–	–
Cantat-Gaudin et al.	2019	2.83	–	–	–	–	–	–	–
Dib et al.	2018	1.52	–	–	22	–	–	–	–
Joshi et al.	2016	1.52	2.20	–	22	–	–	–	–
Kharchenko et al.	2016	1.52	2.20	–	22	–	–	–	–
Kharchenko et al.	2013	1.52	2.20	–	22	–	–	–	–
Kharchenko et al.	2012	1.45	2.21	–	1660	–	–	–	–
Dias et al.	2002	1.45	2.21	–	1660	–	–	–	–

(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 1209	98.5	13.11	64.61	0.35	-2.44	-0.38	-66.72	0.18
UBC 411	61.8	13.11	64.62	0.34	-2.43	-0.36	–	0.04

💡 Note: The % column shows the percentage of members that FSR 0519 shares with each listed object.

Visualization

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