Open Access
Table 6.
Zero-point offset for GDR2 parallaxes found in the literature.
| ZPGDR2 | Reference | Type of sources | Typical G |
|---|---|---|---|
| (mas) | (mag) | ||
| −0.029 | Lindegren et al. (2018) | Quasars | 19 |
| −0.031 ± 0.011 | Graczyk et al. (2019) | Eclipsing binaries | 9 |
| −0.0319 ± 0.0008 | Arenou et al. (2018) | MW Cepheids | 8 |
| −0.035 ± 0.016 | Sahlholdt & Silva Aguirre (2018) | Dwarf stars | 9 |
| −0.041 ± 0.010 | Hall et al. (2019) | Red giants | 13 |
| −0.046 ± 0.013 | Riess et al. (2018a) | MW Cepheids | 9 |
| −0.049 ± 0.018 | Groenewegen (2018) | MW Cepheids (HST) | 8 |
| −0.053 ± 0.003 | Zinn et al. (2019) | Red giants | 13 |
| −0.054 ± 0.006 | Schönrich et al. (2019) | GDR2 RV | 12 |
| −0.057 ± 0.003 | Muraveva et al. (2018) | RR Lyrae | 12 |
| −0.070 ± 0.010 | Ripepi et al. (2019) | LMC Cepheids | 15 |
| −0.082 ± 0.033 | Stassun & Torres (2018) | Eclipsing binaries | 9 |
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