ESO 435 09

(MWSC 1728)

0.09 UTI

0.0

C_N

0.04

C_dens

0.12

C_C3

0.13

C_lit

1.0

C_dup

N_m (P>50%) 24

Core radius and density 2.5 [pc], 0.2 [pc^-2]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.04 Very loose
C_C3 0.12 Very low quality
C_lit 0.13 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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ESO 435 09 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate distance, well above the mid-plane, affected by moderate extinction. It is catalogued as an intermediate-age cluster (see Parameters). It is rarely studied in the literature.

⚠️ 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 Intermediate age

Data

🔍 Search references for ESO 435 09 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–	148.956	-29.008	0.451	-7.767	2.899	73.757
Just et al.	2023	148.861	-28.962	–	–	–	–
Sampedro et al.	2017	148.887	-28.987	–	-3.61	0.09	–
Kharchenko et al.	2016	148.861	-28.962	–	–	–	–
Dias et al.	2014	148.888	-28.987	–	-5.12	1.34	–
Kharchenko et al.	2013	148.867	-28.965	–	-4.29	0.87	–
Dias et al.	2002	148.887	-28.987	–	-5.16	1.41	–

💡 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–	2.25	2.3	–	266	–	601	–	–
Just et al.	2023	–	–	–	266	–	601	–	–
Kharchenko et al.	2016	2.25	2.30	–	266	–	–	–	–
Kharchenko et al.	2013	2.25	2.30	–	266	–	–	–	–
Dias et al.	2002	2.25	2.30	–	266	–	–	–	–

Visualization

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