Ruprecht 42

(Berkeley 41; OCL 669; ESO 494 08; MWSC 1388)

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UCC G243.3+01.6a

C3
N_50
r_50
AB 111 1.4

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 119.4 -25.917 -2.67 3.41
Kharchenko et al. (2012) 119.412 -25.935 -4.22 2.56
Bica et al. (2019) 119.388 -25.916
Cantat-Gaudin et al. (2020) 119.407 -25.92 0.121 -1.911 2.191
Dias et al. (2021) 119.399 -25.919 0.116 -1.92 2.187
Hunt & Reffert (2023) 119.404 -25.925 0.156 -1.884 2.213 81.617
Cavallo et al. (2024) 119.4 -25.92 0.158
Hunt & Reffert (2024) 119.404 -25.925 0.156 -1.884 2.213 81.617
Hu & Soubiran (2025) 119.4 -25.92
UCC 119.404 -25.922 0.155 -1.892 2.219 81.646

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.388, Dist=5457.0, Age=8.6, [Fe/H]=0.33
Kharchenko et al. (2012) e_bv=0.416, distance=1964, log_age=8.7
Cantat-Gaudin et al. (2020) AVNN=0.96, DMNN=14.08, AgeNN=8.53
Dias et al. (2021) Av=1.395, Dist=4924, logage=8.641, [Fe/H]=-0.262
Hunt & Reffert (2023) AV50=1.006, diffAV50=2.21, MOD50=13.592, logAge50=8.747
Cavallo et al. (2024) AV50=1.02, dMod50=13.16, logAge50=8.98, [Fe/H]50=-0.26
Hunt & Reffert (2024) MassJ=678.699
Hu & Soubiran (2025) MA22=-0.25, MA23f=-0.51, MA23g=-0.33, MZ23=-0.53, MK24=-0.36, MF24=-0.47

Search coordinates in Bayestar19

Cluster region


Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv
OC 0421 22.5 119.406 -25.923 0.16 -1.909 2.22