[vsnet-outburst 27439] Re: [vsnet-alert 26028] ASASSN-21lr: new SU UMa-type dwarf nova

Josch Hambsch hambsch at telenet.be
Thu Jul 8 18:59:23 JST 2021


My data on July 6/7 show to me a clear pattern of humps. Maybe the coverage
was not perfect to get a periodicity.
Peranso gives something in the order of 0.066 d with a broad peak using
Lomb-Scargle.

F.-J. (Josch) Hambsch

-----Original Message-----
From: vsnet-alert [mailto:vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp]
On Behalf Of Taichi Kato
Sent: Donnerstag, 8. Juli 2021 02:06
To: vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp;
vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp;
vsnet-newvar at ooruri.kusastro.kyoto-u.ac.jp;
vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp
Subject: [vsnet-alert 26028] ASASSN-21lr: new SU UMa-type dwarf nova

ASASSN-21lr: new SU UMa-type dwarf nova

   Berto Monard and Josch Hambsch have reported observations.
The object showed superhumps on July 7 (Monard's data) with a period of
0.061(1) d.  The profile suggests stage A superhumps.  No superhumps were
detected on five nights up to July 7 in Hmabsch's data.


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