ESO 427 32

(MWSC 1095)

0.19 UTI

0.0

C_N

0.02

C_dens

0.25

C_C3

0.35

C_lit

1.0

C_dup

N₅₀ (P>50% members) 16

Stellar density (N₅₀/rad) 0.1 [N/pc²]

C3 classification CC

C_N 0.0 Sparse
C_dens 0.02 Very loose
C_C3 0.25 Low quality
C_lit 0.35 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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ESO 427 32 is a sparse, very loose object of low C3 quality. Its parallax locates it at a large^* distance, well below the mid-plane, affected by low extinction. It is catalogued as an old cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~7.75 kpc) differs significantly from the median photometric distance (~1.79 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 Low extinction Old

Data

🔍 Search references for ESO 427 32 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–	106.622	-30.169	0.129	-1.141	1.66	38.835
Just et al.	2023	106.577	-30.158	–	–	–	–
Loktin & Popova	2017	106.53	-30.18	–	0.219	2.514	–
Kharchenko et al.	2016	106.577	-30.158	–	–	–	–
Dias et al.	2014	106.558	-30.167	–	0.98	1.98	–
Kharchenko et al.	2013	106.582	-30.16	–	0.18	2.55	–
Dias et al.	2002	106.558	-30.167	–	0.98	1.98	–

💡 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–	1.79	0.39	–	1274	–	210	–	–
Just et al.	2023	–	–	–	1274	–	210	–	–
Loktin & Popova	2017	2.31	0.36	–	1514	–	–	–	–
Kharchenko et al.	2016	1.79	0.39	–	1274	–	–	–	–
Kharchenko et al.	2013	1.79	0.39	–	1274	–	–	–	–
Dias et al.	2002	1.79	0.39	–	1274	–	–	–	–

Visualization

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