Berkeley 57

(NGC 7423; FSR 0391; OCL 246; MWSC 3674)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.8 1.0 0.75 1.0 1.0 Berkeley 57 is a rich, very dense object of 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
AB	234	1.7

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	343.783	57.097	–	-1.43	-4.32	–
Kharchenko et al. (2012)	343.791	57.095	–	3.91	1.24	–
Loktin & Popova (2017)	343.785	57.097	–	0.719	0.361	–
Bica et al. (2019)	343.8	57.095	–	–	–	–
Cantat-Gaudin et al. (2020)	343.789	57.096	0.239	-1.247	-1.25	–
Dias et al. (2021)	343.782	57.092	0.241	-1.257	-1.229	-38.0
Hunt & Reffert (2023)	343.788	57.099	0.252	-1.217	-1.293	-37.606
Cavallo et al. (2024)	343.796	57.089	0.251	–	–	–
Hunt & Reffert (2024)	343.788	57.099	0.252	-1.217	-1.293	-37.606
Hu & Soubiran (2025)	343.796	57.089	–	–	–	–
UCC	343.788	57.098	0.252	-1.217	-1.289	-37.501

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Dias et al. (2002)	E(B-V)=0.75, Dist=4150.0, Age=9.15
Kharchenko et al. (2012)	e_bv=0.5, distance=6001, log_age=8.901
Loktin & Popova (2017)	E(B-V)=0.603, Dmod=13.005, logt=8.95
Cantat-Gaudin et al. (2020)	AVNN=1.2, DMNN=13, AgeNN=9.2
Dias et al. (2021)	Av=1.966, Dist=3745, logage=9.147, [Fe/H]=-0.061
Hunt & Reffert (2023)	AV50=1.808, diffAV50=1.76, MOD50=12.782, logAge50=9.077
Cavallo et al. (2024)	AV50=2.27, dMod50=12.27, logAge50=9.21, [Fe/H]50=-0.48
Hunt & Reffert (2024)	MassJ=1775.18
Hu & Soubiran (2025)	MA22=-0.22, MA23f=-0.32, MA23g=-0.23, MZ23=-0.26, MK24=-0.23, MF24=-0.26

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0191	13.7	343.79	57.1	0.26	-1.21	-1.31	-37.5	0.0