New ZZ Ceti Star: SDSSJ223726.86-010110.9 1. Location • Stripe 82 ➔ 22h 24m < αJ2000 < 04h 08m; -1.27o < δJ2000 < 1.27o, ≈ 290deg2 2. Variability ∙ Minimum.

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New ZZ Ceti Star: SDSSJ223726.86-010110.9 1. Location • Stripe 82 ➔ 22h 24m < αJ2000 < 04h 08m; -1.27o < δJ2000 < 1.27o, ≈ 290deg2 2. Variability ∙ Minimum of 4 distinct-epoch imaging ∙ Distribution of multi-epoch photometric errors is Gaussian ∙ χ2 ≈ 1 for non-variable objects ∙ χ2 ≥ 3 for variable objects 3. Pulsation Properties Harmonics Period (s) P Amplitude (mma) A Fundamental 740.8 2.1 81.2 2.5 First 368.9 1.3 32.6 Second 245.7 1.4 13.0 One millimodulation amplitude (mma) corresponds to a 0.1% change in intensity. Michael A. Wolfe, STScI

The non-sinusoidal light curve implies that this DAV is useful in studying convection in WDs. Michael A. Wolfe, STScI