Melotte 32

(Collinder 61; NGC 1857; FSR 0755; OCL 428; MWSC 505)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.82 1.0 1.0 1.0 0.98 Melotte 32 is a rich, very dense object of very high C3 quality. It is very well-studied in the literature.This is a unique object, which shares a very small percentage of members with at least one previously reported entry.
C3	N_50	r_50
AA	290	4.6

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	80.025	39.343	–	-1.94	-3.84	–
Kharchenko et al. (2012)	80.014	39.29	–	-4.73	-0.55	–
Loktin & Popova (2017)	80.025	39.343	–	-1.065	-0.21	–
Bica et al. (2019)	80.029	39.34	–	–	–	–
Cantat-Gaudin et al. (2020)	80.031	39.336	0.32	0.553	-1.31	–
Donor et al. (2020)	80.014	39.29	–	0.75	-1.2	1.3
Dias et al. (2021)	80.032	39.337	0.319	0.565	-1.31	0.417
Hunt & Reffert (2023)	80.029	39.329	0.331	0.47	-1.384	-3.071
Cavallo et al. (2024)	80.028	39.337	0.331	–	–	–
Hunt & Reffert (2024)	80.029	39.329	0.331	0.47	-1.384	-3.071
UCC	80.03	39.332	0.335	0.481	-1.375	-0.301

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Dias et al. (2002)	E(B-V)=0.47, Dist=2490.0, Age=8.5, [Fe/H]=-0.36
Kharchenko et al. (2012)	e_bv=0.5, distance=3299, log_age=8.67
Loktin & Popova (2017)	E(B-V)=0.282, Dmod=12.726, logt=8.76
Cantat-Gaudin et al. (2020)	AVNN=1.38, DMNN=12.31, AgeNN=8.4
Donor et al. (2020)	Fe/H=-0.14
Dias et al. (2021)	Av=1.696, Dist=2428, logage=8.429, [Fe/H]=-0.199
Hunt & Reffert (2023)	AV50=1.27, diffAV50=0.416, MOD50=12.199, logAge50=8.317
Cavallo et al. (2024)	AV50=1.51, dMod50=12.17, logAge50=8.42, [Fe/H]50=0.18
Hunt & Reffert (2024)	MassJ=1408.98

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Teutsch 88	5.2	80.12	39.54	0.29	0.53	-1.58	31.26	0.08
Czernik 20	2.4	80.12	39.54	0.27	0.56	-1.59	31.08	0.85