FSR 1737

(MWSC 2379)

0.15 UTI

0.0

C_N

0.03

C_dens

0.12

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 20

Stellar density (N₅₀/rad) 0.2 [N/pc²]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.03 Very loose
C_C3 0.12 Very 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 1737 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a large^* distance, well above the mid-plane, affected by high extinction. It is catalogued as an old cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~6.15 kpc) differs significantly from the median photometric distance (~2.14 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 High extinction Old

Data

🔍 Search references for FSR 1737 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–	244.62	-40.242	0.163	-6.335	-6.157	-74.677
Just et al.	2023	244.584	-40.22	–	–	–	–
Bica et al.	2019	244.592	-40.24	–	–	–	–
Kharchenko et al.	2016	244.584	-40.22	–	–	–	–
Kharchenko et al.	2013	244.594	-40.22	–	3.62	0.98	–
Froebrich et al.	2007	244.588	-40.243	–	–	–	–

💡 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–	2.14	3.87	–	3162	–	181	–	–
Just et al.	2023	–	–	–	3162	–	181	–	–
Kharchenko et al.	2016	2.14	3.87	–	3162	–	–	–	–
Kharchenko et al.	2013	2.14	3.87	–	3162	–	–	–	–

Visualization

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