[vsnet-alert 25388] Spectra of ASASSN-21au = ZTF20acyxwzf

Keisuke Isogai isogai at kusastro.kyoto-u.ac.jp
Sat Feb 13 08:00:42 JST 2021

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Spectra of ASASSN-21au = ZTF20acyxwzf

We reported our spectra of ASASSN-21au = ZTF20acyxwzf to Atel:
http://www.astronomerstelegram.org/?read=14390
The spectrum tonight shows only He I lines and no Balmer ones.
So this object must be the longest-preiod outbursting AM CVn star!
Intensive observations are very encouraged!

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