Basel 1
(Apriamaswili 1; OCL 77; MWSC 2996)
Summary
Basel 1 is a moderately populated, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 282.05 | -5.85 | – | -1.07 | -3.24 | – |
| Kharchenko et al. (2012) | 282.038 | -5.865 | – | 0.36 | -5.53 | – |
| Loktin & Popova (2017) | 282.03 | -5.865 | – | 0.959 | -8.817 | – |
| Cantat-Gaudin et al. (2018) | 282.036 | -5.876 | 0.525 | -0.079 | -4.509 | – |
| Bica et al. (2019) | 282.033 | -5.847 | – | – | – | – |
| Soubiran et al. (2018) | 282.036 | -5.876 | – | – | – | 22.69 |
| Cantat-Gaudin et al. (2020) | 282.036 | -5.876 | 0.525 | -0.079 | -4.509 | – |
| Dias et al. (2021) | 282.04 | -5.885 | 0.53 | -0.082 | -4.521 | 24.096 |
| Hunt & Reffert (2023) | 282.027 | -5.87 | 0.523 | -0.045 | -4.494 | 22.172 |
| Cavallo et al. (2024) | 282.034 | -5.883 | 0.524 | – | – | – |
| Hunt & Reffert (2024) | 282.027 | -5.87 | 0.523 | -0.045 | -4.494 | 22.172 |
| Almeida et al. (2025) | 282.04 | -5.885 | – | – | – | – |
| UCC | 282.03 | -5.875 | 0.525 | -0.074 | -4.52 | 22.16 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.482, Dist=2178.0, Age=7.893 |
| Kharchenko et al. (2012) | e_bv=0.541, distance=1604, log_age=8.135 |
| Loktin & Popova (2017) | E(B-V)=0.488, Dist=2188, logt=7.888 |
| Cantat-Gaudin et al. (2018) | dmode=1805.0 |
| Soubiran et al. (2018) | dmode=1805.0 |
| Cantat-Gaudin et al. (2020) | AVNN=1.24, DistPc=1846.0, AgeNN=8.36 |
| Dias et al. (2021) | Av=1.586, Dist=1523, logage=8.251, [Fe/H]=0.102 |
| Hunt & Reffert (2023) | AV50=1.571, diffAV50=1.155, MOD50=11.214, logAge50=8.323 |
| Cavallo et al. (2024) | AV50=2.21, dMod50=11.17, logAge50=7.95, [Fe/H]50=-0.09 |
| Hunt & Reffert (2024) | MassJ=546.995, MassTot=550.912 |
| Almeida et al. (2025) | AV=1.586, Dist=1523, logAge=8.251, MassRk=261.1 |
Search coordinates in Bayestar19