Alessi 20

(OCSN 141; FoF 2409)

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UCC G117.6-03.7
C3
N_50
r_50
AA 305 23.6

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Kharchenko et al. (2012) 2.667 58.748 – 6.34 -2.51 –
Loktin & Popova (2017) 2.64 58.76 – 8.73 -3.11 -11.5
Liu & Pang (2019) 2.401 58.664 2.308 8.152 -2.404 –
Dias et al. (2019) 2.592 58.742 2.311 8.195 -2.341 -4.314
Cantat-Gaudin et al. (2020) 2.593 58.742 2.311 8.195 -2.341 –
Dias et al. (2021) 2.591 58.741 2.315 8.168 -2.365 -4.979
He et al. (2022) 1.905 58.624 2.333 8.019 -2.471 –
Hunt & Reffert (2023) 2.643 58.757 2.343 8.117 -2.427 -9.305
Qin et al. (2023) 2.64 58.77 2.33 8.12 -2.42 -10.04
Cavallo et al. (2024) 2.261 58.664 2.336 – – –
Alfonso et al. (2024) 2.541 58.706 2.294 8.114 -2.456 –
Hunt & Reffert (2024) 2.643 58.757 2.343 8.117 -2.427 -9.305
UCC 2.541 58.71 2.329 8.135 -2.429 -10.208

Search coordinates in CDS | Simbad

Estimated members

Alessi 20 UCC
Alessi 20 HUNT23
Alessi 20 CANTAT20

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Fundamental parameters

Reference Values
Kharchenko et al. (2012) e_bv=0.381, distance=470, log_age=7.575
Loktin & Popova (2017) E(B-V)=0.22, Dmod=8.768, logt=6.48
Liu & Pang (2019) Age=0.009, Z=-0.5
Dias et al. (2019) E(B-V)=0.26, Dist=436, logAge=6.975, Z=0.01
Cantat-Gaudin et al. (2020) AVNN=0.6, DMNN=8.08, AgeNN=6.97
Dias et al. (2021) Av=1.002, Dist=423, logage=6.991, [Fe/H]=-0.104
He et al. (2022) A0=1.05, logAge=7.05
Hunt & Reffert (2023) AV50=0.647, diffAV50=1.508, MOD50=8.068, logAge50=6.826
Qin et al. (2023) E(B-V)=0.32, m-M=9.05, logt=6.95
Cavallo et al. (2024) AV50=1.47, dMod50=8.19, logAge50=6.72, [Fe/H]50=-0.16
Alfonso et al. (2024) AV=0.59533, MOD=8.04379, logAge=7.20021, Z=-0.1034
Hunt & Reffert (2024) MassJ=192.484

Search coordinates in Bayestar19

Cluster region