How do I find out if an eclipsing binary I “discovered” is a known binary system? I have checked the AAVSO eclipsing binary ephemeris but it is not listed there.
I was imaging the transit of HAT-P-8 b and when I extracted the light curve it was really messed up. I had successfully used the comparison ensemble before with good results. I tracked down the offending comp star and was able to extract a partial eclipse. After several nights of observing I was able to capture the primary and secondary eclipse and determine the period. The star in question is GSC 02757-01212 in Pegasus. The period is 4.117 days and the V magnitude of the primary eclipse changes from about 10.9 to about 11.2. I was able to create an ephemeris for the next couple of months. From the light curve it looks like a fairly uninteresting detached binary.
Is this a new discovery or is it known and listed somewhere I don’t know about? If it is new, I plan on getting more light curves to better characterize the system.