Collinder 344
(NGC 6416; MWSC 2673; OCL 1031; ESO 455 32; FoF 2314)
Summary
Collinder 344 is a rich, very dense object of very 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.
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) | 266.079 | -32.362 | – | -0.75 | -1.56 | -27.52 |
| Kharchenko et al. (2003) | 266.07 | -32.38 | – | -0.18 | -0.31 | – |
| Kharchenko et al. (2005) | 266.08 | -32.36 | – | -0.88 | 0.09 | – |
| Piskunov et al. (2007) | 266.079 | -32.364 | – | – | – | – |
| Piskunov et al. (2008) | 266.079 | -32.364 | – | – | – | – |
| Kharchenko et al. (2013) | 266.092 | -32.365 | – | -1.55 | -0.22 | -27.5 |
| Kharchenko et al. (2016) | 266.083 | -32.366 | – | – | – | – |
| Loktin & Popova (2017) | 266.085 | -32.363 | – | -0.31 | -3.679 | -27.5 |
| Cantat-Gaudin et al. (2018) | 266.014 | -32.344 | 0.922 | -1.946 | -2.327 | – |
| Bica et al. (2019) | 266.043 | -32.356 | – | – | – | – |
| Soubiran et al. (2018) | 266.014 | -32.344 | – | – | – | -22.43 |
| Liu & Pang (2019) | 266.037 | -32.362 | 0.921 | -1.939 | -2.322 | – |
| Cantat-Gaudin et al. (2020) | 266.014 | -32.344 | 0.922 | -1.946 | -2.327 | – |
| Dias et al. (2021) | 266.027 | -32.358 | 0.922 | -1.944 | -2.32 | – |
| Rain et al. (2021) | 266.014 | -32.344 | 0.922 | -1.946 | -2.327 | – |
| Jaehnig et al. (2021) | 265.995 | -32.351 | 0.954 | -1.951 | -2.306 | – |
| Tarricq et al. (2022) | 265.943 | -32.332 | 0.935 | -1.955 | -2.351 | – |
| He et al. (2022) | 266.008 | -32.358 | 0.917 | -1.96 | -2.351 | – |
| Just et al. (2023) | 266.083 | -32.366 | – | – | – | – |
| Hunt & Reffert (2023) | 266.008 | -32.337 | 0.923 | -1.937 | -2.37 | -22.032 |
| Cavallo et al. (2024) | 266.024 | -32.354 | 0.923 | – | – | – |
| Hunt & Reffert (2024) | 266.008 | -32.337 | 0.923 | -1.937 | -2.37 | -22.032 |
| Almeida et al. (2025) | 266.027 | -32.358 | – | – | – | – |
| UCC | 266.012 | -32.335 | 0.924 | -1.96 | -2.351 | -23.096 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.251, Dist=741.0, Age=8.087, [Fe/H]=-0.613 |
| Kharchenko et al. (2003) | E(B-V)=0.25, Dist=740 |
| Kharchenko et al. (2005) | E(B-V)=0.25, Dist=741, logt=8.78 |
| Piskunov et al. (2007) | E(B-V)=0.25, Dist=741, logt=8.78, logM=1.072 |
| Piskunov et al. (2008) | E(B-V)=0.25, Dist=741, logt=8.78, logM=1.76, logMA=2.022 |
| Kharchenko et al. (2013) | E(B-V)=0.233, d=767.0, logt=8.2, [Fe/H]=-0.613 |
| Kharchenko et al. (2016) | E(B-V)=0.233, d=767.0, logt=8.2 |
| Loktin & Popova (2017) | E(B-V)=0.252, Dist=743, logt=8.091 |
| Cantat-Gaudin et al. (2018) | dmode=1051.0 |
| Soubiran et al. (2018) | dmode=1051.0 |
| Liu & Pang (2019) | Age=0.302, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.76, DistPc=1020.0, AgeNN=8.36 |
| Dias et al. (2021) | Av=0.977, Dist=997, logage=8.411, [Fe/H]=0.067 |
| Rain et al. (2021) | E(B-V)=0.25, Dist=1051.0, log(Age)=8.08, NBSS=0 |
| Jaehnig et al. (2021) | dmode=1.048 |
| Tarricq et al. (2022) | Dist=995, logAgeNN=8.39 |
| He et al. (2022) | A0=1.2, logAge=7.75 |
| Just et al. (2023) | logt=8.2, logmt=1.822 |
| Hunt & Reffert (2023) | AV50=0.779, diffAV50=0.383, MOD50=10.056, logAge50=8.22 |
| Cavallo et al. (2024) | AV50=1.71, dMod50=9.41, logAge50=8.08, [Fe/H]50=-1.17 |
| Hunt & Reffert (2024) | MassJ=1528.71, MassTot=1577.77 |
| Almeida et al. (2025) | AV=0.977, Dist=997, logAge=8.411, MassRk=742.6 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 331 | 100.0 | 266.01 | -32.34 | 0.92 | -1.96 | -2.35 | -23.1 | 0.05 |