NGC 6866
(MWSC 3239; FoF 2040)
Summary
NGC 6866 is a rich, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 300.979 | 44.158 | – | -1.39 | -3.07 | 13.68 |
| Kharchenko et al. (2003) | 300.94 | 43.99 | – | -4.06 | -8.3 | – |
| Kharchenko et al. (2005) | 300.97 | 44.16 | – | -3.48 | -5.8 | – |
| Piskunov et al. (2008) | 300.978 | 44.158 | – | – | – | – |
| Kharchenko et al. (2013) | 300.987 | 44.16 | – | -2.75 | -4.8 | 13.7 |
| Kharchenko et al. (2016) | 300.982 | 44.158 | – | – | – | – |
| Loktin & Popova (2017) | 300.975 | 44.158 | – | -2.022 | -3.143 | 13.7 |
| Cantat-Gaudin et al. (2018) | 300.983 | 44.158 | 0.686 | -1.365 | -5.743 | – |
| Soubiran et al. (2018) | 300.983 | 44.158 | – | – | – | 12.83 |
| Bossini et al. (2019) | 300.983 | 44.158 | – | – | – | – |
| Liu & Pang (2019) | 301.0 | 44.188 | 0.683 | -1.411 | -5.748 | – |
| Donor et al. (2020) | 300.987 | 44.16 | – | -1.18 | -5.91 | 14.2 |
| Cantat-Gaudin et al. (2020) | 300.983 | 44.158 | 0.686 | -1.365 | -5.743 | – |
| Dias et al. (2021) | 300.983 | 44.16 | 0.686 | -1.358 | -5.733 | 13.519 |
| Rain et al. (2021) | 300.983 | 44.158 | 0.686 | -1.365 | -5.743 | – |
| Jaehnig et al. (2021) | 300.986 | 44.164 | 0.716 | -1.379 | -5.737 | – |
| Tarricq et al. (2022) | 300.946 | 44.171 | 0.687 | -1.375 | -5.771 | – |
| Just et al. (2023) | 300.982 | 44.158 | – | – | – | – |
| Hunt & Reffert (2023) | 300.982 | 44.166 | 0.692 | -1.372 | -5.764 | 15.177 |
| Cavallo et al. (2024) | 301.002 | 44.186 | 0.69 | – | – | – |
| Hunt & Reffert (2024) | 300.982 | 44.166 | 0.692 | -1.372 | -5.764 | 15.177 |
| Zhang et al. (2024) | 300.982 | 44.166 | – | – | – | – |
| Almeida et al. (2025) | 300.983 | 44.16 | – | – | – | – |
| Hu & Soubiran (2025) | 301.002 | 44.186 | – | – | – | – |
| UCC | 300.98 | 44.171 | 0.688 | -1.369 | -5.764 | 13.807 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.074, Dist=1189.0, Age=8.91, [Fe/H]=-0.013 |
| Kharchenko et al. (2003) | E(B-V)=0.17, Dist=1450 |
| Kharchenko et al. (2005) | E(B-V)=0.17, Dist=1450, logt=8.68 |
| Piskunov et al. (2008) | E(B-V)=0.17, Dist=1450, logt=8.68, logMA=1.768 |
| Kharchenko et al. (2013) | E(B-V)=0.271, d=1326.0, logt=8.64 |
| Kharchenko et al. (2016) | E(B-V)=0.271, d=1326.0, logt=8.64 |
| Loktin & Popova (2017) | E(B-V)=0.167, Dist=1470, logt=8.59 |
| Cantat-Gaudin et al. (2018) | dmode=1398.3 |
| Soubiran et al. (2018) | dmode=1398.3 |
| Bossini et al. (2019) | AV=0.398, Dist=10.64, logA=8.89, Fe/H=-0.013 |
| Liu & Pang (2019) | Age=0.562, Z=0.25 |
| Donor et al. (2020) | Fe/H=0.01 |
| Cantat-Gaudin et al. (2020) | AVNN=0.48, DistPc=1406.0, AgeNN=8.81 |
| Dias et al. (2021) | Av=0.498, Dist=1347, logage=8.861, [Fe/H]=0.047 |
| Rain et al. (2021) | E(B-V)=0.07, Dist=1398.3, log(Age)=8.91, NBSS=1 |
| Jaehnig et al. (2021) | dmode=1.397 |
| Tarricq et al. (2022) | Dist=1363, logAgeNN=8.81 |
| Just et al. (2023) | logt=8.64, logmt=1.971 |
| Hunt & Reffert (2023) | AV50=0.314, diffAV50=0.759, MOD50=10.716, logAge50=8.799 |
| Cavallo et al. (2024) | AV50=0.54, dMod50=10.86, logAge50=8.86, [Fe/H]50=0.34 |
| Hunt & Reffert (2024) | MassJ=1124.79, MassTot=1136.13 |
| Zhang et al. (2024) | [Fe/H]ANN=-0.0370, [Fe/H]MCMC=-0.0445 |
| Almeida et al. (2025) | AV=0.498, Dist=1347, logAge=8.861, MassRk=283.6 |
| Hu & Soubiran (2025) | MA22=-0.12, MA23f=-0.13, MA23g=-0.03, MZ23=0.02, MK24=-0.08, MF24=-0.05 |
Search coordinates in Bayestar19