Collinder 261
(VDBH 136; Harvard 6; ESO 065 02; FSR 1627; OCL 889; vdBergh-Hagen 136; MWSC 2055; FoF 45)
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UTI:
UCC Trust Index
Collinder 261 is a very 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 | 4192 | 5.9 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 189.488 | -68.367 | – | -0.77 | -0.55 | -30.0 |
| Chen et al. (2003) | 189.479 | -68.359 | – | – | – | – |
| Kharchenko et al. (2012) | 189.525 | -68.367 | – | -10.27 | 3.32 | – |
| Bica et al. (2019) | 189.477 | -68.369 | – | – | – | – |
| Liu & Pang (2019) | 189.513 | -68.383 | 0.331 | -6.344 | -2.694 | – |
| Cantat-Gaudin et al. (2020) | 189.519 | -68.377 | 0.315 | -6.351 | -2.705 | – |
| Dias et al. (2021) | 189.512 | -68.378 | 0.314 | -6.344 | -2.702 | -24.654 |
| Jaehnig et al. (2021) | 189.525 | -68.376 | 0.346 | -6.344 | -2.714 | – |
| Hunt & Reffert (2023) | 189.527 | -68.381 | 0.345 | -6.367 | -2.678 | -25.508 |
| Cavallo et al. (2024) | 189.512 | -68.378 | 0.345 | – | – | – |
| Hunt & Reffert (2024) | 189.527 | -68.381 | 0.345 | -6.367 | -2.678 | -25.508 |
| Hu & Soubiran (2025) | 189.512 | -68.378 | – | – | – | – |
| UCC | 189.519 | -68.379 | 0.343 | -6.364 | -2.676 | -25.0 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.27, Dist=2190.0, Age=9.95, [Fe/H]=-0.03 |
| Chen et al. (2003) | E(B-V)=0.27, HDis=2190, Age=8.9, [Fe/H]_1=-0.14 |
| Kharchenko et al. (2012) | e_bv=0.333, distance=2683, log_age=9.7, metallicity=-0.03 |
| Liu & Pang (2019) | Age=2.63, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=0.81, DMNN=12.27, AgeNN=9.8 |
| Dias et al. (2021) | Av=0.999, Dist=2806, logage=9.898, [Fe/H]=0.019 |
| Hunt & Reffert (2023) | AV50=1.205, diffAV50=1.271, MOD50=12.186, logAge50=9.3 |
| Cavallo et al. (2024) | AV50=1.24, dMod50=11.86, logAge50=9.76, [Fe/H]50=-0.25 |
| Hunt & Reffert (2024) | MassJ=9332.96 |
| Hu & Soubiran (2025) | MA22=-0.19, MA23f=-0.26, MA23g=-0.02, MZ23=-0.36, MK24=-0.24, MF24=-0.22 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0584 | 0.6 | 189.55 | -68.37 | 0.42 | -6.42 | -2.65 | – | 0.0 |