| Spg. | Epoch | No. of | Source |
| No. | (HJD-2 400 000) | RVs | |
| 1 | 17065.9-19290.8 | 5 | A |
| 2 | 20745.0-20796.9 | 4 | B |
| 3 | 24026.0-24769.0 | 7 | C |
| 4 | 41881.9-42724.7 | 20 | D |
| 5 | 37274.7-43101.8 | 6 | E |
| 6 | 22525 | 3 | F |
| 7 | 45980.4-45981.5 | 3 | G |
| 8 | 48813.5-51509.4 | 23 | H |
| 9 | 52280.4-54385.5 | 239 | H |
| 10 | 52695.3-52695.3 | 2 | H |
| 11 | 52706.7-54599.0 | 178 | H |
Notes. Column ``Spectrograph No.'': 1: Yerkes, Bruce 1-prism spg.;
2: Lick light 1-prism;
3: Dominion Astrophysical Observatory 1.83-m reflector, 1-prism
spg., IL, IM, IS, ISS and IIM configurations;
4: Kitt Peak National Observatory, 1-m coudé auxiliary spg.;
5: MtWilson 1.5-m reflector, Cassegrain spg.;
6: Ottawa;
7: Rozhen 2.0-m reflector, coude grat. spg.;
8: Ondrejov 2.0-m reflector, coude grating spg., Reticon 1872RF detector;
9: Ondrejov 2.0-m reflector, coude grating spg., CCD detector;
10: Ondrejov 2.0-m reflector, Heros echelle spectrograph in
the Cassegrain focus, CCD detector;
11: Dominion Astrohysical Observatory 1.22-m reflector, coude grating spg.,
SITE-4 4096 CCD detector.
Abbreviations of column ``Source'':
A: Frost et al. (1926);
B: Campbell & Moore (1928);
C: Plaskett & Pearce (1931);
D: Abt & Levy (1978);
E: Elias et al. (1978);
F: Henroteau (1921);
G: Horn et al. (1985);
H: this paper.
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