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VY Dra

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BBI
BBI's picture
VY Dra

VY Dra is classified as a suspected variable in VSX. I have some old observations from Zacharov (from 1932) which I could digitize, but I'm not sure if
this is worth the effort.

When I look at the light curve in the LCG, I see a lot of variation. Also SuperWasp gives different magnitudes (http://wasp.cerit-sc.cz/search?ra=234.96033&dec=+64.66183&radius=1&radiusUnit=min&limit=10)

But Hipparchos/Tycho data shows little variation (http://www.rssd.esa.int/hipparcos_scripts/HIPcatalogueSearch.pl?hipepId=76709). I guess this last source is the most reliable one and that VY Dra is a non variable? Are there other methods to confirm this?

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