Berkeley 1

N_50

r_50

1.5

Summary

Berkeley 1 is a moderately populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is well-studied in the literature.

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	2.4	60.475	–	-1.83	-0.75	–
Kharchenko et al. (2012)	2.4	60.467	–	-0.27	-2.3	–
Loktin & Popova (2017)	2.4	60.475	–	-0.194	-1.944	–
Cantat-Gaudin et al. (2018)	2.449	60.476	0.235	-2.758	-0.173	–
Soubiran et al. (2018)	2.449	60.476	–	–	–	-59.97
Cantat-Gaudin et al. (2020)	2.449	60.476	0.235	-2.758	-0.173	–
Dias et al. (2021)	2.445	60.469	0.241	-2.776	-0.18	–
Hunt & Reffert (2023)	2.456	60.471	0.24	-2.707	-0.247	-60.092
Cavallo et al. (2024)	2.465	60.477	0.241	–	–	–
Hunt & Reffert (2024)	2.456	60.471	0.24	-2.707	-0.247	-60.092
Almeida et al. (2025)	2.445	60.469	–	–	–	–

UCC	2.453	60.476	0.229	-2.709	-0.227	-49.212

Galactocentric position

How are the galactocentric plots generated?

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Dias et al. (2002)	`E(B-V)=0.78, Dist=2420.0, Age=8.6`
Kharchenko et al. (2012)	`e_bv=0.904, distance=10300, log_age=8.6`
Loktin & Popova (2017)	`E(B-V)=0.338, Dist=2227, logt=8.8`
Cantat-Gaudin et al. (2018)	`dmode=3784.4`
Soubiran et al. (2018)	`dmode=3784.4`
Cantat-Gaudin et al. (2020)	`AVNN=1.52, DistPc=3779.0, AgeNN=8.48`
Dias et al. (2021)	`Av=2.154, Dist=3502, logage=7.167, [Fe/H]=-0.09`
Hunt & Reffert (2023)	`AV50=1.882, diffAV50=0.611, MOD50=12.882, logAge50=8.005`
Cavallo et al. (2024)	`AV50=1.78, dMod50=12.23, logAge50=8.43, [Fe/H]50=-0.27`
Hunt & Reffert (2024)	`MassJ=413.022, MassTot=413.022`
Almeida et al. (2025)	`AV=2.154, Dist=3502, logAge=7.167, MassRk=444.4`

Search coordinates in Bayestar19

Cluster region map