NGC 2309

(Melotte 56; Collinder 122; OCL 557; FSR 1148; MWSC 1026)

Click to load Aladin Lite

UCC G219.8-02.2

C3
N_50
r_50
AB 435 4.1

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 104.013 -7.175 3.46 -4.53
Kharchenko et al. (2012) 104.02 -7.175 1.58 -1.23
Loktin & Popova (2017) 104.01 -7.175 0.452 -0.536
Bica et al. (2019) 104.015 -7.168
Cantat-Gaudin et al. (2020) 104.02 -7.18 0.393 -0.495 -0.634
Dias et al. (2021) 104.019 -7.182 0.397 -0.496 -0.649
Hunt & Reffert (2023) 104.021 -7.177 0.38 -0.527 -0.636 50.781
Cavallo et al. (2024) 104.022 -7.182 0.379
Hunt & Reffert (2024) 104.021 -7.177 0.38 -0.527 -0.636 50.781
UCC 104.021 -7.176 0.374 -0.53 -0.638 51.82

Search coordinates in CDS | Simbad

Estimated members

Explore data in Colab

Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.35, Dist=2511.0, Age=8.4
Kharchenko et al. (2012) e_bv=0.354, distance=2384, log_age=8.735
Loktin & Popova (2017) E(B-V)=0.286, Dmod=12.16, logt=8.66
Cantat-Gaudin et al. (2020) AVNN=1.07, DMNN=11.93, AgeNN=8.07
Dias et al. (2021) Av=1.326, Dist=2076, logage=8.343, [Fe/H]=-0.111
Hunt & Reffert (2023) AV50=1.228, diffAV50=1.95, MOD50=11.895, logAge50=8.297
Cavallo et al. (2024) AV50=1.43, dMod50=11.96, logAge50=8.42, [Fe/H]50=0.14
Hunt & Reffert (2024) MassJ=1817.45

Search coordinates in Bayestar19

Cluster region