Berkeley 81
(OCL 88; MWSC 3039)
|
UTI:
UCC Trust Index
Berkeley 81 is a rich, very dense object of very high C3 quality. It is very well-studied in the literature. |
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| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 230 | 2.3 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 285.417 | -0.456 | – | 1.46 | -0.7 | 48.1 |
| Kharchenko et al. (2012) | 285.405 | -0.46 | – | -0.99 | -8.59 | – |
| Loktin & Popova (2017) | 285.42 | -0.456 | – | 2.724 | -8.142 | 13.0 |
| Bica et al. (2019) | 285.412 | -0.456 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 285.419 | -0.454 | 0.254 | -1.204 | -1.853 | – |
| Dias et al. (2021) | 285.417 | -0.454 | 0.255 | -1.191 | -1.85 | 49.891 |
| Jaehnig et al. (2021) | 285.42 | -0.454 | 0.275 | -1.213 | -1.864 | – |
| Hunt & Reffert (2023) | 285.417 | -0.457 | 0.252 | -1.145 | -1.962 | 44.696 |
| Cavallo et al. (2024) | 285.426 | -0.44 | 0.247 | – | – | – |
| Hunt & Reffert (2024) | 285.417 | -0.457 | 0.252 | -1.145 | -1.962 | 44.696 |
| Hu & Soubiran (2025) | 285.426 | -0.44 | – | – | – | – |
| UCC | 285.418 | -0.454 | 0.248 | -1.153 | -1.929 | 46.795 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.0, Dist=3000.0, Age=9.0, [Fe/H]=-0.15 |
| Kharchenko et al. (2012) | e_bv=1.062, distance=3401, log_age=9.0, metallicity=-0.15 |
| Loktin & Popova (2017) | E(B-V)=0.898, Dmod=13.374, logt=8.77 |
| Cantat-Gaudin et al. (2020) | AVNN=2.75, DMNN=12.6, AgeNN=9.06 |
| Dias et al. (2021) | Av=3.044, Dist=3685, logage=8.886, [Fe/H]=0.215 |
| Hunt & Reffert (2023) | AV50=3.878, diffAV50=2.167, MOD50=12.686, logAge50=8.352 |
| Cavallo et al. (2024) | AV50=3.34, dMod50=12.22, logAge50=9.04, [Fe/H]50=-0.07 |
| Hunt & Reffert (2024) | MassJ=4000.80 |
| Hu & Soubiran (2025) | MA22=-0.07, MA23f=-0.11, MA23g=0.09, MZ23=0.16, MK24=-0.05, MF24=-0.06 |
Search coordinates in Bayestar19