NGC 6645

(Melotte 205; Collinder 383; OCL 48; MWSC 2946; FoF 68)

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UCC G015.7-03.6

C3
N_50
r_50
AA 471 5.7

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 278.154 -16.886 -2.36 -1.9
Kharchenko et al. (2012) 278.13 -16.91 1.32 -2.48
Bica et al. (2019) 278.145 -16.906
Liu & Pang (2019) 278.144 -16.922 0.55 1.289 -0.616
Cantat-Gaudin et al. (2020) 278.158 -16.918 0.543 1.34 -0.633
Dias et al. (2021) 278.164 -16.915 0.545 1.343 -0.628 -4.94
Hunt & Reffert (2023) 278.145 -16.926 0.547 1.33 -0.642 -5.583
Cavallo et al. (2024) 278.156 -16.916 0.548
Hunt & Reffert (2024) 278.145 -16.926 0.547 1.33 -0.642 -5.583
Hu & Soubiran (2025) 278.156 -16.916
UCC 278.149 -16.919 0.552 1.336 -0.636 -3.992

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.36, Dist=1245.0, Age=8.6
Kharchenko et al. (2012) e_bv=0.36, distance=1245, log_age=8.61
Liu & Pang (2019) Age=1.15, Z=-1.0
Cantat-Gaudin et al. (2020) AVNN=0.97, DMNN=11.29, AgeNN=8.71
Dias et al. (2021) Av=1.411, Dist=1526, logage=8.591, [Fe/H]=0.097
Hunt & Reffert (2023) AV50=0.962, diffAV50=0.293, MOD50=11.139, logAge50=8.604
Cavallo et al. (2024) AV50=1.29, dMod50=10.83, logAge50=8.78, [Fe/H]50=-0.15
Hunt & Reffert (2024) MassJ=3054.99
Hu & Soubiran (2025) MA22=-0.14, MA23f=-0.35, MA23g=0.01, MZ23=-0.15, MK24=-0.19, MF24=-0.26

Search coordinates in Bayestar19

Cluster region