Table:
text: Epsilon Lyrae
Star system
Orbit pairs
blank Separation_arcsec Separation_au Most_Recent_Position_Angle Period_years Semi_major_axis_arcseconds Notes_
AB-CD 208.2 10500 172   ε1-ε2
AB 2.3 116 347 1804.41 4.742 components of ε1
CD 2.4 121 79 724.307 2.92 components of ε2
Ca 0.1 5 225   recently discovered , interferometric companion
AI 149.6 7500 138   
CE 63.7 3200 333   
EF 46 2300 37   
EG 50 2500 238   
GH 35 1800 358

Question: Which pair of orbits between epsilon lyrae, ab, or ce has the largest recent position angle?

Question: Does cd or ef have a larger distance to Epsilon Lyrae?

Question: How many pairs of Epsilon Lyrae have a separation -lrb- au -rrb- greater than 5000 ?

Question: How many total orbit pairs does Epsilon Lyrae have?

Question: does ca or ce have the higher position angle number, epsilon lyrae ?

Question: Which of Epsilon Lyrae had a separation greater than ce, ef, or ai?

Question: Which recent position angle is smaller, ca or ce in Epsilon Lyrae ?

Question: How many of the Epsilon Lyrae last had a station angle of at least 200 degrees?

Question: How many total orbit pairs are listed for Epsilon Lyrae?

Question: Which pair of orbits under Epsilon Lyrae has its period of 724.307 years?