Table 4:
New combined orbit of 41 Dra.
Element |
Value |
Error |
Period P, days |
1246.680 |
0.004 |
Periastron epoch T, JD |
2 449 571.037 |
0.008 |
Eccentricity e |
0.9754 |
0.0001 |
Semi-major axis a, arcsec |
0.0706 |
0.0014 |
Position angle of node
,
deg |
1.9 |
1.7 |
Argument of periastron
,
deg |
127.31 |
0.13 |
Inclination i, deg |
49.7 |
2.9 |
Primary amplitude K1, km s-1 |
44.62 |
0.10 |
Secondary amplitude K2, km s-1 |
48.06 |
0.11 |
System velocity V0, km s-1 |
5.76 |
0.05 |
Primary mass,  |
1.28 |
0.15 |
Secondary mass,  |
1.20 |
0.14 |
Orbital parallax, mas |
23.0 |
2.2 |