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Table 3.
Spectroscopic orbit of the M3III in T CrB derived by combining our Asiago and Chiron radial velocities with those listed by Sanford (1949), Kraft (1958), Kenyon & Garcia (1986), and Fekel et al. (2000).
| Parameter | Value | Error |
|---|---|---|
| Period (days) | 227.5528 | 0.0002 |
| T0 (HJD) | 2459978.37 | 0.08 |
| Barycentric velocity (km s−1) | −27.75 | 0.04 |
| Semi-amplitude (km s−1) | 23.90 | 0.05 |
| Eccentricity | 0 | |
| Mass function | 0.322 | 0.002 |
Notes. T0 is the time of passage at ascending quadrature (maximum velocity).
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