Collinder 131
(NGC 2354; ESO 492 06; FSR 1291; OCL 639; MWSC 1148; FoF 662)
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UTI:
UCC Trust Index
Collinder 131 is a rich, very dense object of very high C3 quality. It is very well-studied in the literature. This object shares a very small percentage of members with a later reported entry. |
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| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 435 | 10.6 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 108.542 | -25.69 | – | -2.92 | 1.67 | 33.45 |
| Chen et al. (2003) | 108.549 | -25.722 | – | -3.52 | 1.39 | -4.0 |
| Kharchenko et al. (2012) | 108.535 | -25.693 | – | -2.55 | 3.59 | – |
| Loktin & Popova (2017) | 108.54 | -25.69 | – | -3.079 | 1.837 | 33.4 |
| Bica et al. (2019) | 108.544 | -25.691 | – | – | – | – |
| Liu & Pang (2019) | 108.496 | -25.744 | 0.749 | -2.889 | 1.839 | – |
| Cantat-Gaudin et al. (2020) | 108.503 | -25.724 | 0.753 | -2.885 | 1.832 | – |
| Dias et al. (2021) | 108.515 | -25.738 | 0.752 | -2.89 | 1.817 | 36.157 |
| Jaehnig et al. (2021) | 108.48 | -25.721 | 0.784 | -2.904 | 1.827 | – |
| Tarricq et al. (2022) | 108.452 | -25.729 | 0.778 | -2.864 | 1.858 | – |
| Hunt & Reffert (2023) | 108.443 | -25.724 | 0.777 | -2.87 | 1.853 | 31.751 |
| Cavallo et al. (2024) | 108.477 | -25.738 | 0.777 | – | – | – |
| Hunt & Reffert (2024) | 108.443 | -25.724 | 0.777 | -2.87 | 1.853 | 31.751 |
| Hu & Soubiran (2025) | 108.477 | -25.738 | – | – | – | – |
| UCC | 108.502 | -25.726 | 0.772 | -2.866 | 1.856 | 33.468 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.18, Dist=1750.0, Age=9.18, [Fe/H]=-0.3 |
| Chen et al. (2003) | HDis=4085, Age=0.13 |
| Kharchenko et al. (2012) | e_bv=0.666, distance=2865, log_age=8.61, metallicity=-0.109 |
| Loktin & Popova (2017) | E(B-V)=0.286, Dmod=12.86, logt=8.174 |
| Liu & Pang (2019) | Age=1.18, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.35, DMNN=10.68, AgeNN=9.15 |
| Dias et al. (2021) | Av=0.531, Dist=1258, logage=9.21, [Fe/H]=-0.147 |
| Tarricq et al. (2022) | Dist=1329, logAgeNN=9.16 |
| Hunt & Reffert (2023) | AV50=0.242, diffAV50=0.951, MOD50=10.468, logAge50=9.042 |
| Cavallo et al. (2024) | AV50=0.64, dMod50=10.58, logAge50=9.04, [Fe/H]50=0.06 |
| Hunt & Reffert (2024) | MassJ=1056.18 |
| Hu & Soubiran (2025) | MA22=-0.19, MA23f=-0.21, MA23g=-0.11, MZ23=-0.25, MK24=-0.19, MF24=-0.18 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWNU 2118 | 1.4 | 108.28 | -24.76 | 0.77 | -2.84 | 1.82 | 34.22 | 0.1 |