Melotte 166

(Collinder 325; VDBH 218; NGC 6318; ESO 333 01; OCL 1004; vdBergh-Hagen 218; MWSC 2552)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.81 1.0 1.0 0.8 1.0 Melotte 166 is a rich, very dense object of very high C3 quality. It is well-studied in the literature. This object shares a very small percentage of members with 2 later reported entries.
C3	N_50	r_50
AA	268	2.8

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	259.046	-39.425	–	-0.87	-0.47	–
Kharchenko et al. (2012)	259.046	-39.417	–	2.52	0.42	–
Bica et al. (2019)	259.046	-39.428	–	–	–	–
Cantat-Gaudin et al. (2020)	259.044	-39.424	0.41	-0.74	-2.451	–
Dias et al. (2021)	259.042	-39.424	0.409	-0.754	-2.457	–
Hunt & Reffert (2023)	259.048	-39.428	0.408	-0.764	-2.465	11.417
Cavallo et al. (2024)	259.046	-39.427	0.409	–	–	–
Hunt & Reffert (2024)	259.048	-39.428	0.408	-0.764	-2.465	11.417
UCC	259.048	-39.428	0.419	-0.753	-2.468	3.534

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Dias et al. (2002)	E(B-V)=1.2, Dist=2100.0, Age=8.2
Kharchenko et al. (2012)	e_bv=1.166, distance=1841, log_age=7.8
Cantat-Gaudin et al. (2020)	AVNN=3.46, DMNN=11.73, AgeNN=6.99
Dias et al. (2021)	Av=3.542, Dist=2219, logage=6.864, [Fe/H]=0.016
Hunt & Reffert (2023)	AV50=4.252, diffAV50=2.828, MOD50=11.726, logAge50=7.17
Cavallo et al. (2024)	AV50=4.23, dMod50=11.8, logAge50=7.0, [Fe/H]50=-0.25
Hunt & Reffert (2024)	MassJ=6334.36

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0679	8.6	259.06	-39.42	0.46	-0.85	-2.5	-35.87	0.04
CWWDL 13632	0.7	258.65	-39.51	0.45	-0.92	-2.59	–	0.06