NGC 4609
(FoF 1129)
Summary
NGC 4609 is a rich, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 190.575 | -62.995 | – | – | – | – |
| Dias et al. (2002) | 190.575 | -62.995 | – | -9.45 | -6.52 | -21.3 |
| Piskunov et al. (2008) | 190.565 | -62.983 | – | – | – | – |
| Kharchenko et al. (2012) | 190.575 | -62.99 | – | -7.57 | -1.36 | – |
| Loktin & Popova (2017) | 190.575 | -62.995 | – | -8.164 | -1.542 | 22.0 |
| Cantat-Gaudin et al. (2018) | 190.582 | -62.995 | 0.66 | -4.87 | -1.045 | – |
| Soubiran et al. (2018) | 190.582 | -62.995 | – | – | – | -25.22 |
| Bossini et al. (2019) | 190.582 | -62.995 | – | – | – | – |
| Liu & Pang (2019) | 190.589 | -62.991 | 0.676 | -4.877 | -1.028 | – |
| Cantat-Gaudin et al. (2020) | 190.582 | -62.995 | 0.66 | -4.87 | -1.045 | – |
| Dias et al. (2021) | 190.583 | -62.983 | 0.669 | -4.876 | -1.029 | – |
| Rain et al. (2021) | 190.582 | -62.995 | 0.66 | -4.87 | -1.045 | – |
| Jaehnig et al. (2021) | 190.563 | -62.997 | 0.692 | -4.868 | -1.05 | – |
| Tarricq et al. (2022) | 190.538 | -62.99 | 0.69 | -4.894 | -1.009 | – |
| Cordoni et al. (2023) | 190.583 | -62.983 | 0.669 | -4.876 | -1.029 | – |
| Hunt & Reffert (2023) | 190.567 | -62.993 | 0.688 | -4.892 | -1.002 | -4.072 |
| Cavallo et al. (2024) | 190.561 | -62.981 | 0.687 | – | – | – |
| Hunt & Reffert (2024) | 190.567 | -62.993 | 0.688 | -4.892 | -1.002 | -4.072 |
| Almeida et al. (2025) | 190.583 | -62.983 | – | – | – | – |
| UCC | 190.574 | -62.994 | 0.678 | -4.9 | -1.007 | 3.553 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.358, DM0=10.45, log_age_=7.5 |
| Dias et al. (2002) | E(B-V)=0.37, Dist=1320.0, Age=7.7, [Fe/H]=0.05 |
| Piskunov et al. (2008) | E(B-V)=0.33, Dist=1223, logt=7.78, logMA=1.944 |
| Kharchenko et al. (2012) | e_bv=0.364, distance=1308, log_age=8.1 |
| Loktin & Popova (2017) | E(B-V)=0.328, Dist=1240, logt=7.895 |
| Cantat-Gaudin et al. (2018) | dmode=1451.6 |
| Soubiran et al. (2018) | dmode=1451.6 |
| Bossini et al. (2019) | AV=1.069, Dist=10.876, logA=7.523, Fe/H=0.05 |
| Liu & Pang (2019) | Age=0.035, Z=-0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.88, DistPc=1419.0, AgeNN=7.91 |
| Dias et al. (2021) | Av=1.225, Dist=1367, logage=7.728, [Fe/H]=0.023 |
| Rain et al. (2021) | E(B-V)=0.34, Dist=1451.6, log(Age)=7.52, NBSS=0 |
| Jaehnig et al. (2021) | dmode=1.441 |
| Tarricq et al. (2022) | Dist=1379, logAgeNN=7.92 |
| Cordoni et al. (2023) | Av=1.225, Dist=10.679, logAge=7.728, [Fe/H]=0.023, mass-single=4890.35, fbin-tot=0.455, fbss-MS=0.0 |
| Hunt & Reffert (2023) | AV50=1.04, diffAV50=0.913, MOD50=10.699, logAge50=7.82 |
| Cavallo et al. (2024) | AV50=1.22, dMod50=10.55, logAge50=8.03, [Fe/H]50=-0.05 |
| Hunt & Reffert (2024) | MassJ=1513.75, MassTot=1519.35 |
| Almeida et al. (2025) | AV=1.225, Dist=1367, logAge=7.728, MassRk=1055.0 |
Search coordinates in Bayestar19