Berkeley 22

(OCL 490; MWSC 698)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.86 1.0 1.0 1.0 1.0
C3
N_50
r_50
AA 406 1.9
Summary

Berkeley 22 is a rich, very dense object of very high C3 quality. It is located at a large distance from the Sun, well below the mid-plane. It is very well-studied in the literature.

This object shares a very small percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 89.612 7.757 – 1.81 -3.93 95.3
Chen et al. (2003) 89.601 7.837 – – – –
Kharchenko et al. (2012) 89.631 7.757 – 1.81 -3.93 –
Loktin & Popova (2017) 89.61 7.757 – 0.395 -1.002 95.3
Cantat-Gaudin et al. (2018) 89.618 7.763 0.069 0.648 -0.473 –
Bica et al. (2019) 89.622 7.758 – – – –
Soubiran et al. (2018) 89.618 7.763 – – – 92.45
Cantat-Gaudin et al. (2020) 89.618 7.763 0.069 0.648 -0.473 –
Rain et al. (2021) 89.618 7.763 0.069 0.648 -0.473 –
Jaehnig et al. (2021) 89.623 7.764 0.1 0.616 -0.456 –
Hunt & Reffert (2023) 89.615 7.759 0.134 0.564 -0.39 87.412
Cavallo et al. (2024) 89.617 7.753 0.148 – – –
Hunt & Reffert (2024) 89.615 7.759 0.134 0.564 -0.39 87.412
Hu & Soubiran (2025) 89.617 7.753 – – – –
           
UCC 89.615 7.757 0.13 0.629 -0.404 90.907
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Berkeley 22 UCC
Berkeley 22 HUNT23
Berkeley 22 CANTAT20

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.59, Dist=6000.0, Age=9.52, [Fe/H]=-0.32
Chen et al. (2003) E(B-V)=0.7, HDis=7663, Age=1.06, [Fe/H]_1=-0.3
Kharchenko et al. (2012) e_bv=0.625, distance=5493, log_age=9.5, metallicity=-0.32
Loktin & Popova (2017) E(B-V)=0.709, Dist=7315, logt=8.998
Cantat-Gaudin et al. (2018) dmode=10149.1
Soubiran et al. (2018) dmode=10149.1
Cantat-Gaudin et al. (2020) AVNN=1.99, DistPc=6225.0, AgeNN=9.39
Rain et al. (2021) E(B-V)=0.59, Dist=10149.1, log(Age)=9.52, NBSS=3
Jaehnig et al. (2021) dmode=9.69
Hunt & Reffert (2023) AV50=1.808, diffAV50=2.537, MOD50=13.605, logAge50=8.897
Cavallo et al. (2024) AV50=1.52, dMod50=13.97, logAge50=9.46, [Fe/H]50=-0.26
Hunt & Reffert (2024) MassJ=1409.84, MassTot=1669.32
Hu & Soubiran (2025) MA22=-0.3, MA23f=-0.5, MA23g=-0.36, MZ23=-0.55, MK24=-0.38, MF24=-0.4

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
HSC 1586 6.2 89.61 7.76 0.25 0.67 -0.42 89.74 0.0