Table 3
Occurrence of the Hα second emission of RR Lyr around the pulsation phase φ2Max observed with ELODIE between 1994 and 1997.
| Night | ψ | S/N | φ2start | φ2end | φ2Max | V2Max | I2Max | Vshock |
|---|---|---|---|---|---|---|---|---|
| (yyyy-mm-dd) | (km s−1) | (%) | (km s−1) | |||||
| 1994-07-27 | 0.26 | 10 | 0.651 | 0.739 | 0.676 | 29 | 8 | – |
| 1994-08-03 | 0.44 | 11 | 0.779 | 0.805 | 0.779 | 24 | 8 | 106 |
| 1995-08-08 | 0.89 | 11 | 0.658 | 0.725 | 0.712 | 24 | 7 | 131 |
| 1995-09-06 | 1.63 | 11 | 0.681 | 0.767 | 0.707 | 21 | 14 | – |
| 1996-08-11 | 1.36 | 11 | 0.616 | 0.776 | 0.678 | 23 | 13 | 120 |
| 1997-08-07 | 2.72 | 10 | 0.681 | 0.736 | 0.707 | 26 | 8 | – |
| 1997-08-31 | 3.33 | 14 | 0.685 | 0.711 | (0.685) | 23 | 10 | 121 |
Notes. Columns provide the date of the night, the corresponding Blazhko phase ψ, the pulsation phases at the beginning and at the end of the emission and at its maximum intensity. For this latter, the corresponding blueshifted velocity (km s−1) and the intensity of the Hα second emission with respect to the continuum are V2Max and I2Max,respectively. The last column gives the shock velocity, Vshock (km s−1).
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