Collinder 340
(VDBH 240; NGC 6404; MWSC 2658; OCL 1024; vdBergh-Hagen 240; ESO 393 13)
Summary
Collinder 340 is a very rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.
This object shares a large percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 264.904 | -33.247 | – | -7.73 | -5.0 | 10.6 |
| Kharchenko et al. (2013) | 264.915 | -33.233 | – | 6.3 | -3.37 | 10.6 |
| Kharchenko et al. (2016) | 264.906 | -33.234 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 264.916 | -33.224 | 0.355 | 0.194 | -0.705 | – |
| Bica et al. (2019) | 264.898 | -33.242 | – | – | – | – |
| Soubiran et al. (2018) | 264.916 | -33.224 | – | – | – | 9.91 |
| Cantat-Gaudin et al. (2020) | 264.916 | -33.224 | 0.355 | 0.194 | -0.705 | – |
| Dias et al. (2021) | 264.92 | -33.222 | 0.357 | 0.198 | -0.698 | 9.38 |
| Rain et al. (2021) | 264.916 | -33.224 | 0.355 | 0.194 | -0.705 | – |
| Jaehnig et al. (2021) | 264.914 | -33.224 | 0.388 | 0.173 | -0.697 | – |
| Just et al. (2023) | 264.906 | -33.234 | – | – | – | – |
| Hunt & Reffert (2023) | 264.911 | -33.229 | 0.361 | 0.148 | -0.746 | 59.446 |
| Cavallo et al. (2024) | 264.912 | -33.22 | 0.361 | – | – | – |
| Hunt & Reffert (2024) | 264.911 | -33.229 | 0.361 | 0.148 | -0.746 | 59.446 |
| Almeida et al. (2025) | 264.92 | -33.222 | – | – | – | – |
| UCC | 264.915 | -33.225 | 0.354 | 0.144 | -0.744 | 9.755 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.92, Dist=2400.0, Age=8.7, [Fe/H]=0.11 |
| Kharchenko et al. (2013) | E(B-V)=1.062, d=2146.0, logt=8.75, [Fe/H]=0.11 |
| Kharchenko et al. (2016) | E(B-V)=1.062, d=2146.0, logt=8.75 |
| Cantat-Gaudin et al. (2018) | dmode=2603.8 |
| Soubiran et al. (2018) | dmode=2603.8 |
| Cantat-Gaudin et al. (2020) | AVNN=3.47, DistPc=2500.0, AgeNN=8.0 |
| Dias et al. (2021) | Av=3.651, Dist=2767, logage=6.743, [Fe/H]=0.285 |
| Rain et al. (2021) | E(B-V)=0.92, Dist=2603.8, log(Age)=8.7, NBSS=0 |
| Jaehnig et al. (2021) | dmode=2.582 |
| Just et al. (2023) | logt=8.75, logmt=2.482 |
| Hunt & Reffert (2023) | AV50=4.39, diffAV50=2.01, MOD50=12.105, logAge50=7.529 |
| Cavallo et al. (2024) | AV50=4.6, dMod50=10.57, logAge50=8.48, [Fe/H]50=-0.83 |
| Hunt & Reffert (2024) | MassJ=5852.28, MassTot=5852.28 |
| Almeida et al. (2025) | AV=3.651, Dist=2767, logAge=6.743, MassRk=3446.7 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 567 | 80.2 | 264.92 | -33.22 | 0.35 | 0.14 | -0.74 | 9.75 | 0.0 |