FSR 1434

(MWSC 1555)

0.34 UTI

0.28

C_N

0.18

C_dens

0.75

C_C3

0.25

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 28

Radius (P>50% members) 2.2 [arcmin]

C_N 0.28 Poorly populated
C_dens 0.18 Very loose
C_C3 0.75 High quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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FSR 1434 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a large^* distance, below 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 (~8.73 kpc) differs significantly from the median photometric distance (~1.37 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 1434 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	–	131.357	-45.391	0.115	-2.861	3.403	75.759
Just et al.	2023	131.366	-45.399	–	–	–	–
Kharchenko et al.	2016	131.366	-45.399	–	–	–	–
Kharchenko et al.	2013	131.37	-45.402	–	-7.33	9.46	–
Froebrich et al.	2007	131.387	-45.404	–	–	–	–

💡 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]	Bfr	BSS
Just et al.	2023	–	–	–	1084	–	199	–	–
Kharchenko et al.	2016	1.37	1.94	–	1084	–	–	–	–
Kharchenko et al.	2013	1.37	1.94	–	1084	–	–	–	–

Visualization

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