Collinder 422
(NGC 6913; MWSC 3329; M 29; OCL 168)
Summary
Collinder 422 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 very small percentage of members with 3 later reported entries.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 305.983 | 38.523 | – | – | – | – |
| Dias et al. (2002) | 305.988 | 38.508 | – | -3.21 | -4.56 | -16.9 |
| Chen et al. (2003) | 305.977 | 38.508 | – | -2.95 | -6.16 | -34.0 |
| Kharchenko et al. (2003) | 306.0 | 38.5 | – | -3.23 | -5.36 | – |
| Kharchenko et al. (2005) | 305.98 | 38.51 | – | -3.8 | -5.71 | -21.05 |
| Kharchenko et al. (2007) | 305.98 | 38.51 | – | 0.11 | – | -21.05 |
| Piskunov et al. (2008) | 305.977 | 38.508 | – | – | – | – |
| Kharchenko et al. (2013) | 306.0 | 38.51 | – | -4.0 | -5.2 | -19.6 |
| Kharchenko et al. (2016) | 305.995 | 38.507 | – | – | – | – |
| Loktin & Popova (2017) | 305.985 | 38.508 | – | -1.703 | -0.861 | -19.6 |
| Cantat-Gaudin et al. (2018) | 305.943 | 38.487 | 0.553 | -3.409 | -5.771 | – |
| Bica et al. (2019) | 305.987 | 38.502 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 305.943 | 38.487 | 0.553 | -3.409 | -5.771 | – |
| Dias et al. (2021) | 305.912 | 38.484 | 0.55 | -3.411 | -5.775 | – |
| Rain et al. (2021) | 305.943 | 38.487 | 0.553 | -3.409 | -5.771 | – |
| Jaehnig et al. (2021) | 305.949 | 38.505 | 0.583 | -3.406 | -5.758 | – |
| Just et al. (2023) | 305.995 | 38.507 | – | – | – | – |
| Hunt & Reffert (2023) | 305.955 | 38.499 | 0.562 | -3.406 | -5.81 | -44.037 |
| Cavallo et al. (2024) | 305.949 | 38.507 | 0.563 | – | – | – |
| Celli et al. (2024) | 305.943 | 38.487 | – | – | – | – |
| Hunt & Reffert (2024) | 305.955 | 38.499 | 0.562 | -3.406 | -5.81 | -44.037 |
| Almeida et al. (2025) | 305.912 | 38.484 | – | – | – | – |
| UCC | 305.929 | 38.505 | 0.559 | -3.421 | -5.791 | -21.902 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.904, DM0=10.3, log_age_=7.0 |
| Dias et al. (2002) | E(B-V)=1.03, Dist=1540.0, Age=6.7 |
| Chen et al. (2003) | HDis=1148, Age=0.01 |
| Kharchenko et al. (2003) | E(B-V)=0.74, Dist=1148 |
| Kharchenko et al. (2005) | E(B-V)=0.98, Dist=1148, logt=7.12 |
| Piskunov et al. (2008) | E(B-V)=0.98, Dist=1148, logt=7.12, logMA=1.431 |
| Kharchenko et al. (2013) | E(B-V)=0.833, d=1173.0, logt=7.51 |
| Kharchenko et al. (2016) | E(B-V)=0.833, d=1173.0, logt=7.51 |
| Loktin & Popova (2017) | E(B-V)=0.744, Dist=1150, logt=7.113 |
| Cantat-Gaudin et al. (2018) | dmode=1718.7 |
| Cantat-Gaudin et al. (2020) | AVNN=1.8, DistPc=1608.0, AgeNN=7.34 |
| Dias et al. (2021) | Av=2.766, Dist=1785, logage=6.878, [Fe/H]=0.206 |
| Rain et al. (2021) | E(B-V)=1.03, Dist=1718.7, log(Age)=6.7, NBSS=0 |
| Jaehnig et al. (2021) | dmode=1.71 |
| Just et al. (2023) | logt=7.51, logmt=1.632 |
| Hunt & Reffert (2023) | AV50=2.861, diffAV50=2.432, MOD50=11.202, logAge50=6.804 |
| Cavallo et al. (2024) | AV50=2.99, dMod50=10.92, logAge50=7.0, [Fe/H]50=-0.24 |
| Celli et al. (2024) | Age=21.9, Mc=686.9 |
| Hunt & Reffert (2024) | MassJ=454.948, MassTot=454.948 |
| Almeida et al. (2025) | AV=2.766, Dist=1785, logAge=6.878, MassRk=765.7 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 2501 | 2.5 | 305.47 | 38.74 | 0.56 | -3.28 | -5.68 | – | 0.04 |
| OC 0114 | 1.7 | 305.81 | 38.94 | 0.57 | -3.42 | -5.73 | 5.16 | 0.13 |
| UBC 140 | 0.8 | 305.37 | 38.6 | 0.56 | -3.24 | -6.0 | -22.57 | 0.14 |