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On 2017 March 11, the DLT40 Transient Discovery Survey discovered SN 2017cbvin NGC5643, a Type 2 Seyfert Galaxy in the Lupus Constellation. SN 2017cbv wenton to become a bright Type Ia supernova, with a $V_{max}$ of 11.51 $\pm$ 0.05mag. We present early time optical and infrared photometry of SN 2017cbvcovering the rise and fall of over 68 days. We find that SN 2017cbv has a broadlight curve $\Delta m_{15}(B)$ = 0.88 $\pm$ 0.07, a $B$-band maximum at2457840.97 $\pm$ 0.43, a negligible host galaxy reddening where $E(B-V)_{host}$$\approx$ 0, and a distance modulus of 30.49 $\pm$ 0.32 to the SN,corresponding to a distance of $12.58_{-1.71}^{+1.98}$ Mpc. We also present theresults of two different numerical models we used for analysis in this paper:SALT2, an empirical model for Type Ia supernova optical light curves thataccounts for variability components; and SNooPy, the CSP-II light-curve modelthat covers both optical and near-infrared wavelengths and is used for distanceestimates.

Optical and Infrared Photometry of the Nearby SN 2017cbv