NGC 1664

(Melotte 27; Collinder 56; OCL 411; MWSC 430; FoF 1365)

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UCC G161.6-00.4

C3
N_50
r_50
AB 634 9.2

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 72.775 43.675 1.96 -5.1 7.5
Chen et al. (2003) 72.738 43.623 1.96 -5.1 7.8
Kharchenko et al. (2012) 72.808 43.66 -4.23 -4.2
Loktin & Popova (2017) 72.78 43.676 -4.594 -3.24 36.1
Bica et al. (2019) 72.775 43.684
Bossini et al. (2019) 72.763 43.676
Liu & Pang (2019) 72.765 43.674 0.737 1.733 -5.701
Cantat-Gaudin et al. (2020) 72.763 43.676 0.734 1.703 -5.738
Donor et al. (2020) 72.808 43.66 1.84 -5.76 7.0
Dias et al. (2021) 72.754 43.674 0.733 1.727 -5.72 6.308
Jaehnig et al. (2021) 72.755 43.676 0.76 1.695 -5.715
Tarricq et al. (2022) 72.769 43.685 0.749 1.615 -5.799
Hunt & Reffert (2023) 72.766 43.675 0.736 1.608 -5.803 4.112
Cavallo et al. (2024) 72.755 43.677 0.734
Hunt & Reffert (2024) 72.766 43.675 0.736 1.608 -5.803 4.112
Hu & Soubiran (2025) 72.755 43.677
UCC 72.755 43.666 0.738 1.607 -5.788 2.289

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.254, Dist=1199.0, Age=8.465
Chen et al. (2003) HDis=1199, Age=0.29
Kharchenko et al. (2012) e_bv=0.25, distance=1200, log_age=8.75
Loktin & Popova (2017) E(B-V)=0.258, Dmod=10.474, logt=8.461
Bossini et al. (2019) AV=0.708, Dist=10.626, logA=8.673, Fe/H=0.0
Liu & Pang (2019) Age=0.372, Z=0.25
Cantat-Gaudin et al. (2020) AVNN=0.69, DMNN=10.64, AgeNN=8.71
Donor et al. (2020) Fe/H=-0.03
Dias et al. (2021) Av=0.87, Dist=1218, logage=8.808, [Fe/H]=-0.009
Tarricq et al. (2022) Dist=1302, logAgeNN=8.72
Hunt & Reffert (2023) AV50=0.716, diffAV50=0.52, MOD50=10.515, logAge50=8.532
Cavallo et al. (2024) AV50=0.72, dMod50=10.69, logAge50=8.82, [Fe/H]50=0.37
Hunt & Reffert (2024) MassJ=1821.99
Hu & Soubiran (2025) MA22=-0.11, MA23f=-0.17, MA23g=-0.02, MZ23=-0.03, MK24=-0.1, MF24=-0.08

Search coordinates in Bayestar19

Cluster region