Ivanov 4

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UCC G221.8-02.0

C3
N_50
r_50
AC 30 2.0

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 105.133 -8.867 6.11 -17.42
Kharchenko et al. (2012) 105.157 -8.84 5.19 -1.15
Loktin & Popova (2017) 105.135 -8.866 1.225 -0.459
Cantat-Gaudin et al. (2020) 105.144 -8.861 0.355 -1.355 1.022
Dias et al. (2021) 105.15 -8.867 0.365 -1.38 0.977
UCC 105.145 -8.859 0.362 -1.311 1.022 -1.081

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.21, Dist=717.0, Age=7.0
Kharchenko et al. (2012) e_bv=0.521, distance=2025, log_age=8.3
Loktin & Popova (2017) E(B-V)=0.094, Dmod=11.846, logt=8.95
Cantat-Gaudin et al. (2020) AVNN=1.24, DMNN=11.97, AgeNN=7.8
Dias et al. (2021) Av=1.369, Dist=2507, logage=7.061, [Fe/H]=-0.195

Search coordinates in Bayestar19

Cluster region