Spectroscopic Classification of AT2018lcd (= CSNS-18of) as a young Type II Supernova
ATel #12346; Jujia Zhang, Lifeng Xing (YNAO), and Xiaofeng Wang (Tsinghua University)
on 31 Dec 2018; 17:20 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Ju-Jia Zhang (jujia@ynao.ac.cn)
Subjects: Optical, Supernovae
We obtained an optical spectrum (range 350-870 nm) of AT2018lcd (= CSNS-18of) discovered by Corona Borealis Observatory Supernova Survey (CSNS) on UT 2018 Dec. 31.48 with the Li-Jiang 2.4 m telescope (LJT + YFOSC) at Li-Jiang observatory of Yunnan Observatories. The spectrum is blue and relatively featureless, with broad, low-contrast H-alpha emission. All of these suggest a type II supernova at its early phase. The classification spectrum is also posted on the IAU Transient Name Server: https://wis-tns.weizmann.ac.il/object/2018lcd.
