NGC 358

0.16 UTI

0.33

C_N

0.07

C_dens

0.12

C_C3

0.13

C_lit

1.0

C_dup

N_m (P>50%) 33

Core radius and density 1.6 [pc], 0.4 [pc^-2]

C3 classification DC

C_N 0.33 Poorly populated
C_dens 0.07 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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NGC 358 is a poorly populated, very loose object of very low C3 quality. Its parallax locates it at a moderate^* distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

(*): The parallax distance estimate (~3.17 kpc) differs significantly from the median photometric distance (~1.05 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 Near-solar metallicity Young

Data

🔍 Search references for NGC 358 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–	16.302	61.992	0.316	-2.104	0.42	-60.127
Donor et al.	2020	16.296	62.022	–	-0.88	-0.59	-71.0
Loktin & Popova	2017	16.29	62.022	–	-0.81	-3.607	–
Sampedro et al.	2017	16.296	62.022	–	-3.55	1.13	–
Dias et al.	2014	16.296	62.022	–	-4.56	2.72	–
Dias et al.	2002	16.296	62.022	–	-4.56	2.72	–

💡 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–	1.05	2.42	–	45	-0.310	–	–	–
Spina et al.	2022	–	–	–	–	-0.310	–	–	–
Donor et al.	2020	–	–	–	–	-0.310	–	–	–
Loktin & Popova	2017	1.05	2.42	–	45	–	–	–	–

Visualization

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