Tartaglia L.; Pastorello A.; Sullivan M.; Baltay C.; Rabinowitz D.; Nugent P.; Drake A.; Djorgovski S.; Gal-Yam A.; Fabrika S.; Barsukova E.; Goranskij V.; Valeev A.; Fatkhullin T.; Schulze S.; Mehner A.; Bauer F.; Taubenberger S.; Nordin J.; Valenti S.; Howell D.; Benetti S.; Cappellaro E.; Fasano G.; Elias-Rosa N.; Barbieri M.; Bettoni D.; Harutyunyan A.; Kangas T.; Kankare E.; Martin J.; Mattila S.; Morales-Garoffolo A.; Ochner P.; Rebbapragada U.; Terreran G.; Tomasella L.; Turatto M.; Verroi E.; Woźniak P.
(2016)
© 2016 The Authors.We report photometric and spectroscopic observations of the optical transient LSQ13zm. Historical data reveal the presence of an eruptive episode (that we label as '2013a') followed by a much brighter ...