Collinder 456

(NGC 7686; MWSC 3734; OCL 251)

0.24 UTI

0.0

C_N

0.08

C_dens

0.12

C_C3

0.5

C_lit

1.0

C_dup

N₅₀ (P>50% members) 18

Stellar density (N₅₀/rad) 0.4 [N/pc²]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.08 Very loose
C_C3 0.12 Very low quality
C_lit 0.5 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Collinder 456 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate^* distance, well below the mid-plane, affected by moderate extinction. It is catalogued as a low-mass, old cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~2.92 kpc) differs significantly from the median photometric distance (~2.10 kpc).

Relatively close Moderate extinction Low mass Old

Data

🔍 Search references for Collinder 456 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–	352.458	49.148	0.342	-3.489	-1.665	–
Just et al.	2023	352.415	49.166	–	–	–	–
Bica et al.	2019	352.483	49.121	–	–	–	–
Loktin & Popova	2017	352.425	49.17	–	-0.918	-0.744	6.0
Kharchenko et al.	2016	352.415	49.166	–	–	–	–
Dias et al.	2014	352.529	49.133	–	-1.33	-1.58	–
Kharchenko et al.	2013	352.422	49.17	–	-1.15	-1.21	6.0
Kharchenko et al.	2012	352.422	49.17	–	-1.15	-1.21	6.0
Kharchenko et al.	2007	352.53	49.13	–	0.12	–	–
Dias et al.	2002	352.529	49.133	–	-1.33	-1.58	–

💡 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–	2.1	1.24	–	1130	–	31	–	–
Just et al.	2023	–	–	–	1130	–	31	–	–
Loktin & Popova	2017	3.48	0.52	–	1995	–	–	–	–
Kharchenko et al.	2016	2.10	1.24	–	1130	–	–	–	–
Kharchenko et al.	2013	2.10	1.24	–	1130	–	–	–	–
Kharchenko et al.	2012	2.10	1.24	–	1130	–	–	–	–
Dias et al.	2002	1.53	0.62	–	1995	–	–	–	–

Visualization

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