Table 4
Links to Gaia archive tables for retrieving the pulsation characteristics: period(s), epochs of maximum light (E), peak-to-peak amplitudes, intensity-averaged mean magnitudes, ϕ21, R21, ϕ31, R31 Fourier parameters with related uncertainties, metallicity, and absorption in the G band computed by the SOS Cep&RRL pipeline for the 140 784 RR Lyrae stars confirmed by SOS and released in Gaia DR2.
| Table URL | http://archives.esac.esa.int/gaia/ |
|---|---|
| RR Lyrae star parameters computed by the SOS Cep&RRL pipeline | |
| Table name | gaiadr2.vari_rrlyrae |
| Source ID | source_id |
| Type | best_classification (one of RRC, RRAB or RRD) |
| Pf, P1O, P2O, P3O | p_f, p1_o, p2_o, p3_o: NB p3_o is empty for RRL |
| σ(Pf, P1O, P2O, P3O) | pf_error, p1_o_error, p2_o_error, p3_o_error: NB p3_o_error is empty for RRL |
| Ea(G, GBP, GRP) | epoch_g, epoch_bp, epoch_rp |
| σE(G, GBP, GRP) | epoch_g_error, epoch_bp_error, epoch_rp_error |
| ⟨G⟩, ⟨GBP⟩, ⟨GRP⟩ | int_average_g, int_average_bp, int_average_rp |
| σ⟨G⟩, σ⟨GBP⟩, σ⟨GRP⟩ | int_average_g_error, int_average_bp_error, int_average_rp_error |
| Amp(G, GBP, GRP) | peak_to_peak_g, peak_to_peak_bp, peak_to_peak_rp |
| σ[Amp(G)], σ[Amp(GBP)], σ[Amp(GRP)] | peak_to_peak_ g_error, peak_to_peak_ bp_error, peak_to_peak_ rp_error |
| ϕ21 | phi21_g |
| σ(ϕ21) | phi21_ g_error |
| R21 | r21_g |
| σ(R21) | r21_g_error |
| ϕ31 | phi31_g |
| σ(ϕ31) | phi31_ g_error |
| R31 | r31_g |
| σ(R31) | r31_g_error |
| [Fe/H]b | metallicity |
| σ ([Fe/H]) | metallicity_error |
| A(G)c | g_absorption |
| σ A(G) | g_absorption_error |
| Nobs (G band) | num_clean_epochs_g |
| Nobs (GBP band) | num_clean_epochs_bp |
| Nobs (GRP band) | num_clean_epochs_rp |
Notes. To facilitate access to the table, we also provide the correspondence between parameter (period(s), E, etc.) and the name of the parameter in the Gaia archive table. (a)The BJD of the epoch of maximum light is offset by JD 2455197.5 d (= J2010.0). (b) Photometric metal abundance derived from the ϕ31 Fourier parameter of the light curve for 54 272 fundamental-mode RR Lyrae stars (see Sects. 2.1.1 and 4.1). (c) Absorption in the G band computed from a relation that links the intrinsic colour of the star to the period and the amplitude of the light variation (see Sects. 2.1.2 and 4.1).
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