NGC 5800

(MWSC 2265; ESO 223 11)

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) 7

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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NGC 5800 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a very massive, old cluster (see Parameters). It is poorly 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.

Distant Moderate extinction Very massive Old

Data

🔍 Search references for NGC 5800 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–	225.471	-51.937	0.235	-7.206	-3.42	–
Just et al.	2023	225.435	-51.915	–	–	–	–
Bica et al.	2019	225.455	-51.934	–	–	–	–
Kharchenko et al.	2016	225.435	-51.915	–	–	–	–
Dias et al.	2014	225.446	-51.918	–	-1.94	-0.91	–
Kharchenko et al.	2013	225.445	-51.917	–	-4.17	0.83	–
Dias et al.	2002	225.446	-51.918	–	-1.94	-0.91	–

💡 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–	4.84	1.68	–	1778	–	5623	–	–
Just et al.	2023	–	–	–	1778	–	5623	–	–
Kharchenko et al.	2016	4.84	1.68	–	1778	–	–	–	–
Kharchenko et al.	2013	4.84	1.68	–	1778	–	–	–	–
Dias et al.	2002	1.17	0.19	–	1585	–	–	–	–

Visualization

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