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Spectroscopic Classification of ASASSN-15rb

ATel #8297; J. L. Prieto (UDP/MAS), D. Bersier (LJMU), R. Chornock (Ohio University), S. Dong (KIAA-PKU)
on 18 Nov 2015; 19:41 UT
Credential Certification: Jose L. Prieto (jose.prietok@mail.udp.cl)

Subjects: Optical, Supernovae, Transient

We obtained optical spectra of ASASSN-15rb (ATel #8157) with the SPRAT spectrograph on the LT-2m telescope and with OSMOS on the MDM 2.4m on UT Nov. 12. The spectra show Balmer lines in emission at the redshift of the host galaxy (z=0.033574). The H-alpha line shows two velocity components (including a narrow line) without P-Cygni profiles, characteristic of a Type IIn supernova.