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FLOYDS Classification of ASASSN-17fs/AT 2017dry as a Type Ia Supernova

ATel #10365; G. Hosseinzadeh, I. Arcavi, D. A. Howell, C. McCully (Las Cumbres Obs./UCSB), S. Valenti (UC Davis)
on 10 May 2017; 21:11 UT
Credential Certification: Iair Arcavi (iarcavi@lcogt.net)

Subjects: Optical, Supernovae

We obtained a spectrum of ASASSN-17fs/AT 2017dry (ATel #10358) on 2017 May 9.8 UT with the robotic FLOYDS instrument mounted on the Las Cumbres Observatory 2-meter telescope in Siding Spring, Australia. Using Superfit (Howell et al. 2005, ApJ, 634, 1190) and SNID (Blondin & Tonry 2007, ApJ, 666, 1024), we find good fits to several normal Type Ia supernovae at the redshift of the proposed host galaxy (z=0.040; Jones et al. 2009, "The 6dF Galaxy Survey Data Release 3," via NED). Heavy host contamination prevents us from determining the phase accurately. The spectrum is available on the Transient Name Server.