Gaia 1

(Siriusly)

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UCC G227.3-08.7a

C3
N_50
r_50
AB 843 4.9

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Bica et al. (2019) 101.468 -16.753
Cantat-Gaudin et al. (2020) 101.474 -16.733 0.145 -0.079 1.249
Hunt & Reffert (2023) 101.467 -16.74 0.167 -0.041 1.229 59.565
Cavallo et al. (2024) 101.471 -16.73 0.164
Hunt & Reffert (2024) 101.467 -16.74 0.167 -0.041 1.229 59.565
Hu & Soubiran (2025) 101.471 -16.73
UCC 101.473 -16.735 0.168 -0.048 1.241 56.928

Search coordinates in CDS | Simbad

Estimated members

Explore data in Colab

Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2020) AVNN=0.59, DMNN=14.05, AgeNN=9.5
Hunt & Reffert (2023) AV50=1.686, diffAV50=2.093, MOD50=13.434, logAge50=9.124
Cavallo et al. (2024) AV50=1.39, dMod50=13.2, logAge50=9.59, [Fe/H]50=-0.35
Hunt & Reffert (2024) MassJ=6010.48
Hu & Soubiran (2025) MA22=-0.24, MA23f=-0.46, MA23g=-0.3, MZ23=-0.43, MK24=-0.39, MF24=-0.4

Search coordinates in Bayestar19

Cluster region


Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv
OC 0384 13.4 101.474 -16.73 0.174 -0.046 1.251 56.333
OC 0386 7.6 101.467 -16.745 0.182 -0.044 1.241 56.921
OC 0385 4.9 101.47 -16.748 0.191 -0.047 1.244 55.882