Biurakan 2
Summary
Biurakan 2 is a rich, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It is very well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 302.3 | 35.483 | – | – | – | – |
| Dias et al. (2002) | 302.3 | 35.483 | – | -1.95 | -4.49 | -19.66 |
| Piskunov et al. (2008) | 302.288 | 35.477 | – | – | – | – |
| Kharchenko et al. (2012) | 302.317 | 35.48 | – | -3.3 | -5.6 | – |
| Loktin & Popova (2017) | 302.295 | 35.483 | – | -0.128 | -0.825 | -22.0 |
| Cantat-Gaudin et al. (2018) | 302.283 | 35.488 | 0.542 | -3.169 | -6.843 | – |
| Cantat-Gaudin et al. (2020) | 302.283 | 35.488 | 0.542 | -3.169 | -6.843 | – |
| Dias et al. (2021) | 302.295 | 35.502 | 0.548 | -3.158 | -6.843 | – |
| Rain et al. (2021) | 302.283 | 35.488 | 0.542 | -3.169 | -6.843 | – |
| Jaehnig et al. (2021) | 302.301 | 35.475 | 0.573 | -3.187 | -6.83 | – |
| Hunt & Reffert (2023) | 302.322 | 35.464 | 0.544 | -3.195 | -6.893 | -22.689 |
| Cavallo et al. (2024) | 302.333 | 35.483 | 0.546 | – | – | – |
| Celli et al. (2024) | 302.283 | 35.488 | – | – | – | – |
| Hunt & Reffert (2024) | 302.322 | 35.464 | 0.544 | -3.195 | -6.893 | -22.689 |
| Almeida et al. (2025) | 302.295 | 35.502 | – | – | – | – |
| UCC | 302.301 | 35.468 | 0.545 | -3.17 | -6.886 | -26.93 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.42, DM0=10.8, log_age_=7.2 |
| Dias et al. (2002) | E(B-V)=0.36, Dist=1106.0, Age=7.011 |
| Piskunov et al. (2008) | E(B-V)=0.36, Dist=1106, logt=7.14, logMA=2.135 |
| Kharchenko et al. (2012) | e_bv=0.36, distance=1142, log_age=7.23 |
| Loktin & Popova (2017) | E(B-V)=0.356, Dist=1146, logt=7.001 |
| Cantat-Gaudin et al. (2018) | dmode=1750.8 |
| Cantat-Gaudin et al. (2020) | AVNN=0.93, DistPc=1723.0, AgeNN=6.97 |
| Dias et al. (2021) | Av=1.382, Dist=1638, logage=6.948, [Fe/H]=0.145 |
| Rain et al. (2021) | E(B-V)=0.36, Dist=1750.8, log(Age)=7.01, NBSS=0 |
| Jaehnig et al. (2021) | dmode=1.758 |
| Hunt & Reffert (2023) | AV50=1.086, diffAV50=1.164, MOD50=11.186, logAge50=6.599 |
| Cavallo et al. (2024) | AV50=1.41, dMod50=10.95, logAge50=6.88, [Fe/H]50=-0.06 |
| Celli et al. (2024) | Age=9.3, Mc=297.5 |
| Hunt & Reffert (2024) | MassJ=267.874, MassTot=267.874 |
| Almeida et al. (2025) | AV=1.382, Dist=1638, logAge=6.948, MassRk=367.6 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0102 | 2.4 | 301.71 | 35.64 | 0.53 | -3.1 | -6.61 | -17.95 | 0.08 |