Ivanov 8
(BPI 8; MWSC 1470)
Summary
Ivanov 8 is a rich, very dense object of very high C3 quality. It is located at a large distance from the Sun, near the mid-plane. It is moderately studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 124.792 | -35.65 | – | -3.0 | 4.02 | – |
| Kharchenko et al. (2012) | 124.791 | -35.65 | – | -3.0 | 4.02 | – |
| Cantat-Gaudin et al. (2018) | 124.794 | -35.658 | 0.088 | -2.375 | 3.543 | – |
| Bica et al. (2019) | 124.79 | -35.648 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 124.794 | -35.658 | 0.088 | -2.375 | 3.543 | – |
| Hunt & Reffert (2023) | 124.788 | -35.654 | 0.182 | -2.325 | 3.617 | 80.653 |
| Cavallo et al. (2024) | 124.789 | -35.629 | 0.178 | – | – | – |
| Hunt & Reffert (2024) | 124.788 | -35.654 | 0.182 | -2.325 | 3.617 | 80.653 |
| UCC | 124.785 | -35.656 | 0.154 | -2.343 | 3.611 | 95.591 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.08, Dist=3888.0, Age=9.2 |
| Kharchenko et al. (2012) | e_bv=0.479, distance=1194, log_age=7.8 |
| Cantat-Gaudin et al. (2018) | dmode=8575.6 |
| Hunt & Reffert (2023) | AV50=3.749, diffAV50=1.996, MOD50=13.381, logAge50=8.766 |
| Cavallo et al. (2024) | AV50=4.47, dMod50=13.65, logAge50=8.64, [Fe/H]50=-0.66 |
| Hunt & Reffert (2024) | MassJ=492.663, MassTot=509.923 |
Search coordinates in Bayestar19