There had been some suggestion that variations in the solar diameter might also cause significant variations in output.
R Leonis, 330 light-years from Earth, has a period of 310 days and a diameter of 450 solar diameters.
The solar diameter, approximately 864,000 miles, has apparently undergone little change in modern times.
The technique, he says, permits the detection of changes in the solar diameter of less than 60 miles.
One of the largest stars in the galaxy, it has a diameter of over 1000 solar diameters.
It has a period of 13 months and a diameter of 500 solar diameters.
Its diameter is 1460 solar diameters, making it one of the largest known stars.
It has a diameter of 400 solar diameters.
Cook intermittently claimed he had kept copies of his sextant navigational data and in 1911 published some which have the incorrect solar diameter.
As for the longer-term decline in solar diameter, the discovery that started the whole ball rolling, Gilliland was cautious in his claims.