NGC 1662

(Collinder 55; OCL 470; MWSC 425)

UCC G187.7-21.0a
C1	C2	C3	N_50	r_50
1.0	1.0	AA	491	41.6

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Chen et al. (2003)	72.126	10.934	–	-2.44	-2.83	-13.9
Kharchenko et al. (2012)	72.112	10.925	–	-2.5	-2.67	–
Loktin & Popova (2017)	72.105	10.937	–	0.133	-5.022	-13.5
Bica et al. (2019)	72.119	10.935	–	–	–	–
Bossini et al. (2019)	72.198	10.882	–	–	–	–
Cantat-Gaudin et al. (2020)	72.198	10.882	2.4	-1.128	-1.962	–
Dias et al. (2021)	72.248	10.857	2.405	-1.121	-1.971	-12.372
Jaehnig et al. (2021)	72.153	10.879	2.44	-1.154	-1.967	–
Tarricq et al. (2022)	72.169	10.83	2.434	-1.092	-1.969	–
He et al. (2022)	72.166	10.911	2.437	-1.138	-1.976	–
Hunt & Reffert (2023)	72.114	10.904	2.439	-1.154	-1.966	-13.257
Cavallo et al. (2024)	72.239	10.923	2.437	–	–	–
UCC	72.156	10.907	2.435	-1.165	-1.99	-13.29

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Chen et al. (2003)	E(B-V)=0.304, HDis=437.0, Age=0.42, [Fe/H]=-0.09;-0.09
Kharchenko et al. (2012)	e_bv=0.3, distance=437, log_age=8.695, metallicity=-0.095
Loktin & Popova (2017)	E(B-V)=0.305, Dmod=8.183, logt=8.618
Bossini et al. (2019)	AV=0.615, Dist=7.84, logA=8.957, Fe/H=-0.11
Cantat-Gaudin et al. (2020)	AVNN=0.44, DMNN=8.16, AgeNN=8.89
Dias et al. (2021)	Av=1.214, Dist=410, logage=8.771, [Fe/H]=-0.1
Tarricq et al. (2022)	Dist=423, logAgeNN=8.91
He et al. (2022)	A0=1.45, logAge=8.45
Hunt & Reffert (2023)	AV50=0.928, diffAV50=1.412, MOD50=7.95, logAge50=8.538
Cavallo et al. (2024)	AV50=1.14, dMod50=8.1, logAge50=8.63, [Fe/H]50=0.35

Probable duplicates

Cluster	P (%)	RA	DEC	Plx	pmRA	pmDE	Rv
CWWDL 14531	99	72.166	10.907	2.435	-1.168	-1.979	-13.59

Last modified: 2025-01-31