Image processing and analysis by Martin Nicholson and Hannah Varley and with due thanks to the American Association of Variable Star Observers.
Return to the front page of the semi-regular variable star project
AE LYR
Link to VSX data
AE LYR is listed as a SR variable star with a period of 57.8 days - this is broadly in line with the results obtained.
BU LYR
Link to VSX data
BU LYR is listed as a SRB variable star with a period of 259 days, however its positional twin NSVS 1914580+402255 has a reported period of 157 days
CV LYR
Link to VSX data
CV LYR is listed as a SRB variable star with a period of 140 days. This seems rather longer than my results would suggest.
NEEDS FURTHER INVESTIGATION IN 2008 SEASON
EG LYR
Link to VSX data
EG LYR is listed as a SRB variable star with a period of 236 days. Its positional twin NSVS 1910489+383428 is said to have a period of 151 days which seems closer to the result my data would give.
EK LYR
Link to VSX data
AK LYR is listed as a SRB variable star with a period of 180 days.
SY LYR
Link to VSX data
SY LYR is listed as a SRB variable star with a period of 100 days. This is broadly in line with the results obtained.
Martin Nicholson - Daventry, United Kingdom.
This page was last updated on October 10th 2007.