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Table 1
Data fields available in the Gaia DR2 tables related to LPVs.
| Data field name | Description | Affected by |
|---|---|---|
| parallax? | ||
| Table vari_classifier_result | ||
| source_id | Unique source identifier of the LPV candidate | No |
| best_class | Equals “MIRA_SR” for all LPV candidates | No |
| best_class_score | Confidence (between 0 and 1) of the classifier in the identification of an LPV | No |
| Table vari_classifier_result | ||
| source_id | Unique source identifier of the LPV candidate | No |
| frequency | Frequency of the LPV [day−1] | No |
| frequency_error | Uncertainty on the frequency [day−1] | No |
| bolometric_corr | Bolometric correction [mag] | Yesa |
| bolometric_corr_error | Uncertainty on the bolometric correction [mag] | Yesa |
| abs_mag_bol | Absolute bolometric magnitude [mag] | Yes |
| abs_mag_bol_error | Uncertainty on the absolute bolometric magnitude [mag] | Yes |
| rsg_flag | Red supergiant flag [boolean] | Yes |
Notes. (a) Bolometric corrections are affected by parallax for stars identified as red super giants, see Appendix A.5.
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