Ruprecht 4

(Berkeley 74; OCL 560; FSR 1165; MWSC 990)

UCC G222.0-05.3
C1	C2	C3	N_50	r_50
1.0	0.63	AB	311	4.7

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Kharchenko et al. (2012)	102.24	-10.51	–	1.79	2.17	–
Loktin & Popova (2017)	102.24	-10.51	–	0.562	0.347	47.5
Bica et al. (2019)	102.248	-10.514	–	–	–	–
Cantat-Gaudin et al. (2020)	102.248	-10.524	0.214	-0.197	0.096	–
Dias et al. (2021)	102.243	-10.529	0.209	-0.205	0.126	–
Hunt & Reffert (2023)	102.245	-10.53	0.211	-0.215	0.098	46.518
Cavallo et al. (2024)	102.235	-10.52	0.213	–	–	–
UCC	102.244	-10.525	0.215	-0.209	0.108	47.807

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Kharchenko et al. (2012)	e_bv=0.458, distance=4591, log_age=9.005, metallicity=-0.09
Loktin & Popova (2017)	E(B-V)=0.559, Dmod=13.823, logt=8.8
Cantat-Gaudin et al. (2020)	AVNN=1.24, DMNN=13.06, AgeNN=8.93
Dias et al. (2021)	Av=1.673, Dist=3598, logage=8.808, [Fe/H]=-0.1
Hunt & Reffert (2023)	AV50=1.455, diffAV50=1.627, MOD50=12.936, logAge50=8.759
Cavallo et al. (2024)	AV50=1.55, dMod50=12.51, logAge50=8.99, [Fe/H]50=-0.24

Probable duplicates

Cluster	P (%)	RA	DEC	Plx	pmRA	pmDE	Rv
OC 0371	98	102.246	-10.526	0.217	-0.209	0.11	47.807
OC 0372	94	102.244	-10.527	0.212	-0.209	0.108	46.421

Last modified: 2024-12-10