Melotte 241

(Collinder 449; NGC 7245; FSR 0348; OCL 225; MWSC 3603; FoF 166)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.86 1.0 1.0 1.0 1.0 Melotte 241 is a rich, very dense object of very high C3 quality. It is very well-studied in the literature. This object shares a small percentage of members with a later reported entry.
C3	N_50	r_50
AA	389	3.2

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	333.796	54.343	–	-1.98	-1.76	65.3
Kharchenko et al. (2012)	333.81	54.333	–	-5.62	-3.2	–
Loktin & Popova (2017)	333.795	54.343	–	-0.641	-0.408	65.3
Bica et al. (2019)	333.807	54.338	–	–	–	–
Liu & Pang (2019)	333.829	54.336	0.295	-3.841	-3.188	–
Cantat-Gaudin et al. (2020)	333.812	54.336	0.273	-3.952	-3.249	–
Dias et al. (2021)	333.811	54.337	0.276	-3.955	-3.252	-73.125
Hunt & Reffert (2023)	333.809	54.339	0.273	-3.942	-3.281	-74.444
Cavallo et al. (2024)	333.807	54.336	0.274	–	–	–
Hunt & Reffert (2024)	333.809	54.339	0.273	-3.942	-3.281	-74.444
Hu & Soubiran (2025)	333.807	54.336	–	–	–	–
UCC	333.814	54.334	0.277	-3.947	-3.278	-74.143

Search coordinates in CDS | Simbad

Estimated members

1 2 3

Explore data in Colab

Fundamental parameters

Reference	Values
Dias et al. (2002)	E(B-V)=0.45, Dist=3467.0, Age=8.65, [Fe/H]=-0.15
Kharchenko et al. (2012)	e_bv=0.475, distance=4000, log_age=8.55
Loktin & Popova (2017)	E(B-V)=0.457, Dmod=11.688, logt=8.275
Liu & Pang (2019)	Age=0.576, Z=0.25
Cantat-Gaudin et al. (2020)	AVNN=0.96, DMNN=12.53, AgeNN=8.78
Dias et al. (2021)	Av=1.412, Dist=2884, logage=8.652, [Fe/H]=-0.006
Hunt & Reffert (2023)	AV50=1.155, diffAV50=0.419, MOD50=12.788, logAge50=8.58
Cavallo et al. (2024)	AV50=1.32, dMod50=12.39, logAge50=8.72, [Fe/H]50=0.09
Hunt & Reffert (2024)	MassJ=1783.74
Hu & Soubiran (2025)	MA22=-0.11, MA23f=-0.37, MA23g=-0.14, MZ23=-0.2, MK24=-0.24, MF24=-0.25

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0166	15.7	333.81	54.33	0.29	-3.94	-3.29	-74.72	0.0