Collinder 446
(NGC 7226; MWSC 3591; OCL 226; FSR 0349)
Summary
Collinder 446 is a moderately populated, very dense object of high C3 quality. It is located at a large distance from the Sun, near the mid-plane. It is well-studied in the literature.
This object shares a moderate percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 332.608 | 55.398 | – | -0.77 | -4.41 | – |
| Kharchenko et al. (2012) | 332.602 | 55.398 | – | -2.43 | -2.16 | – |
| Kharchenko et al. (2013) | 332.602 | 55.398 | – | -2.43 | -2.16 | – |
| Kharchenko et al. (2016) | 332.596 | 55.395 | – | – | – | – |
| Loktin & Popova (2017) | 332.61 | 55.398 | – | -0.77 | -4.41 | – |
| Cantat-Gaudin et al. (2018) | 332.605 | 55.398 | 0.185 | -1.844 | -2.065 | – |
| Bica et al. (2019) | 332.62 | 55.398 | – | – | – | – |
| Soubiran et al. (2018) | 332.605 | 55.398 | – | – | – | -75.98 |
| Cantat-Gaudin et al. (2020) | 332.605 | 55.398 | 0.185 | -1.844 | -2.065 | – |
| Dias et al. (2021) | 332.606 | 55.399 | 0.187 | -1.838 | -2.059 | – |
| Just et al. (2023) | 332.596 | 55.395 | – | – | – | – |
| Hunt & Reffert (2023) | 332.604 | 55.394 | 0.175 | -1.883 | -2.077 | -65.511 |
| Cavallo et al. (2024) | 332.588 | 55.395 | 0.173 | – | – | – |
| Hunt & Reffert (2024) | 332.604 | 55.394 | 0.175 | -1.883 | -2.077 | -65.511 |
| Almeida et al. (2025) | 332.606 | 55.399 | – | – | – | – |
| UCC | 332.602 | 55.396 | 0.168 | -1.852 | -2.086 | -72.93 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.536, Dist=2616.0, Age=8.436 |
| Kharchenko et al. (2012) | E(B-V)=0.5, d=3001.0, logt=8.725 |
| Kharchenko et al. (2013) | E(B-V)=0.5, d=3001.0, logt=8.725 |
| Kharchenko et al. (2016) | E(B-V)=0.5, d=3001.0, logt=8.725 |
| Loktin & Popova (2017) | E(B-V)=0.536, Dist=2616, logt=8.436 |
| Cantat-Gaudin et al. (2018) | dmode=4680.2 |
| Soubiran et al. (2018) | dmode=4680.2 |
| Cantat-Gaudin et al. (2020) | AVNN=1.33, DistPc=4500.0, AgeNN=8.68 |
| Dias et al. (2021) | Av=1.815, Dist=4019, logage=8.686, [Fe/H]=-0.186 |
| Just et al. (2023) | logt=8.725, logmt=2.622 |
| Hunt & Reffert (2023) | AV50=1.872, diffAV50=0.867, MOD50=13.623, logAge50=8.38 |
| Cavallo et al. (2024) | AV50=2.23, dMod50=12.65, logAge50=8.43, [Fe/H]50=-0.53 |
| Hunt & Reffert (2024) | MassJ=888.847, MassTot=888.847 |
| Almeida et al. (2025) | AV=1.815, Dist=4019, logAge=8.686, MassRk=408.0 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0167 | 44.7 | 332.6 | 55.39 | 0.16 | -1.86 | -2.09 | -72.93 | 0.0 |