Koposov 63

(FSR 0869; MWSC 772; Teutsch J0610.0+2434; MWSC 773)

0.88 UTI

0.64

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 79

Radius (P>50% members) 2.4 [arcmin]

C_N 0.64 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 1.0 Very well-studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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Koposov 63 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is very well-studied in the literature.

Distant Moderate extinction Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Koposov 63 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	–	92.5	24.571	0.222	0.526	-0.428	36.548
Li et al.	2025	92.499	24.567	0.206	0.546	-0.447	–
Hu & Soubiran	2025	92.509	24.562	–	–	–	–
Zhang et al.	2024	92.521	24.565	–	–	–	–
Hunt & Reffert	2024	92.521	24.565	0.225	0.513	-0.443	25.168
Cavallo et al.	2024	92.509	24.563	0.227	–	–	–
Hunt & Reffert	2023	92.521	24.565	0.225	0.513	-0.443	25.168
Just et al.	2023	92.499	24.551	–	–	–	–
Cantat-Gaudin et al.	2020	92.499	24.567	0.206	0.546	-0.447	–
Sánchez et al.	2020	92.508	24.561	–	0.564	-0.514	–
Cantat-Gaudin & Anders	2020	92.499	24.567	0.206	0.546	-0.447	–
Monteiro & Dias	2019	92.521	24.559	–	0.533	-0.481	2.544
Soubiran et al.	2018	92.499	24.567	–	–	–	13.68
Bica et al.	2019	92.528	24.555	–	–	–	–
Cantat-Gaudin et al.	2018	92.499	24.567	0.206	0.546	-0.447	–
Loktin & Popova	2017	92.505	24.562	–	0.548	-0.704	–
Kharchenko et al.	2016	92.499	24.551	–	–	–	–
Dias et al.	2014	92.508	24.561	–	0.31	-1.4	–
Kharchenko et al.	2013	92.508	24.55	–	1.65	-2.1	–
Glushkova et al.	2010	92.507	24.561	–	–	–	–
Koposov et al.	2008	92.506	24.561	–	–	–	–
Froebrich et al.	2007	92.521	24.559	–	–	–	–
Dias et al.	2002	92.508	24.561	–	0.31	-1.4	–

💡 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]	Bfr	BSS
Li et al.	2025	3.63	1.80	–	1198	-0.542	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.220*	–	–	–
Zhang et al.	2024	–	–	–	–	-0.260*	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	821*	–	–
Cavallo et al.	2024	3.18	1.18	–	1288	0.340	–	–	–
Hunt & Reffert	2023	4.13	1.58	2.06	601	–	–	–	–
Just et al.	2023	–	–	–	1660	–	95	–	–
Cantat-Gaudin et al.	2020	3.78	1.06	–	1950	–	–	–	–
Cantat-Gaudin & Anders	2020	4.26	–	–	–	–	–	–	–
Monteiro & Dias	2019	4.63	1.26	–	839	0.034	–	–	–
Soubiran et al.	2018	4.26	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	4.26	–	–	–	–	–	–	–
Loktin & Popova	2017	4.56	1.20	–	200	–	–	–	–
Kharchenko et al.	2016	3.22	1.55	–	1660	–	–	–	–
Kharchenko et al.	2013	3.22	1.55	–	1660	–	–	–	–
Glushkova et al.	2010	3.00	0.81	–	1413	–	–	–	–
Koposov et al.	2008	3.00	0.81	–	1413	–	–	–	–
Dias et al.	2002	3.00	0.81	–	1413	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

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