Green, E. M., Fontaine, G., Drechsel, H., Shaw, J. S., Dittmann, J. A., ...
We present new photometric and spectroscopic observations for 2M 1533+3759 (= NSVS 07826147). It has an orbital period of 0.16177042 day, significantly longer than the 2.3--3.0 hour periods of the...