Melotte 89

(Collinder 190; VDBH 39; NGC 2635; ESO 371 01; FSR 1375; OCL 728; vdBergh-Hagen 39; MWSC 1519)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.79 1.0 1.0 0.85 1.0 Melotte 89 is a rich, very dense object of very high C3 quality. It is well-studied in the literature. This object shares a small percentage of members with a later reported entry.
C3	N_50	r_50
AA	200	2.9

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	129.608	-34.77	–	-4.24	0.76	–
Kharchenko et al. (2012)	129.609	-34.775	–	-8.02	0.79	–
Bica et al. (2019)	129.602	-34.774	–	–	–	–
Cantat-Gaudin et al. (2020)	129.619	-34.777	0.142	-2.503	2.185	–
Dias et al. (2021)	129.625	-34.778	0.144	-2.501	2.17	73.569
Hunt & Reffert (2023)	129.621	-34.771	0.168	-2.496	2.239	74.599
Cavallo et al. (2024)	129.612	-34.777	0.167	–	–	–
Hunt & Reffert (2024)	129.621	-34.771	0.168	-2.496	2.239	74.599
Hu & Soubiran (2025)	129.612	-34.777	–	–	–	–
UCC	129.614	-34.778	0.167	-2.495	2.227	72.877

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Dias et al. (2002)	E(B-V)=0.35, Dist=4000.0, Age=8.78, [Fe/H]=-0.61
Kharchenko et al. (2012)	e_bv=0.333, distance=3789, log_age=8.73, metallicity=-0.61
Cantat-Gaudin et al. (2020)	AVNN=0.9, DMNN=13.5, AgeNN=8.6
Dias et al. (2021)	Av=1.25, Dist=4049, logage=8.72, [Fe/H]=-0.218
Hunt & Reffert (2023)	AV50=0.872, diffAV50=0.518, MOD50=13.843, logAge50=8.648
Cavallo et al. (2024)	AV50=1.26, dMod50=12.74, logAge50=8.8, [Fe/H]50=-0.57
Hunt & Reffert (2024)	MassJ=2073.41
Hu & Soubiran (2025)	MA22=-0.22, MA23f=-0.51, MA23g=-0.26, MZ23=-0.38, MK24=-0.32, MF24=-0.4

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 2049	12.5	129.62	-34.77	0.18	-2.49	2.22	75.57	0.0