Sigma Orionis

Click to load Aladin Lite

UCC G206.8-17.3

C3
N_50
r_50
AA 48 5.1

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Loktin & Popova (2017) 84.675 -2.6 1.731 0.467 29.4
Cantat-Gaudin et al. (2020) 84.716 -2.582 2.48 1.577 -0.512
Donor et al. (2020) 84.675 -2.6 1.23 -0.46 30.7
Dias et al. (2021) 84.758 -2.594 2.479 1.59 -0.568 -13.802
He et al. (2022) 84.675 -2.602 2.495 1.545 -0.485
Hunt & Reffert (2023) 84.71 -2.61 2.5 1.48 -0.61 24.974
Cavallo et al. (2024) 84.72 -2.615 2.497
Hunt & Reffert (2024) 84.71 -2.61 2.5 1.48 -0.61 24.974
UCC 84.697 -2.593 2.498 1.487 -0.576 28.993

Search coordinates in CDS | Simbad

Estimated members

Explore data in Colab

Fundamental parameters

Reference Values
Loktin & Popova (2017) E(B-V)=0.17, Dmod=8.373, logt=6.83
Donor et al. (2020) Fe/H=-0.15
Dias et al. (2021) Av=0.166, Dist=303, logage=6.997, [Fe/H]=-0.092
He et al. (2022) A0=0.15, logAge=6.5
Hunt & Reffert (2023) AV50=0.902, diffAV50=2.249, MOD50=7.907, logAge50=6.572
Cavallo et al. (2024) AV50=1.19, dMod50=8.06, logAge50=6.63, [Fe/H]50=0.09
Hunt & Reffert (2024) MassJ=81.3549

Search coordinates in Bayestar19

Cluster region


Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv
UBC 205 100.0 84.708 -2.601 2.497 1.541 -0.571 29.452
OCSN 262 97.9 84.697 -2.605 2.498 1.487 -0.596 28.993