[vsnet-alert 25516] ASASSN-21au rebrightening (Mar. 4)

Sun Mar 7 03:17:09 JST 2021

 ASASSN-21au = ZTF20acyxwzf (AM CVn star)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=2215378

Rebrightening around 2021 March 4.2 UT also recorded by the
ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and
Kochanek et al. 2017PASP..129j4502K):
https://asas-sn.osu.edu/sky-patrol/coordinate/11764b7c-a643-4bc9-9ad0-15a81d8d41ad

Zwicky Transient Facility (ZTF) light curve and data:
https://lasair.roe.ac.uk/object/ZTF20acyxwzf/
ASASSN-21au 20210302.302 16.50zg ZTF
ASASSN-21au 20210302.394 16.55zr ZTF
ASASSN-21au 20210303.221 16.24zg ZTF
ASASSN-21au 20210305.328 14.74zg ZTF
ASASSN-21au 20210305.467 15.21zr ZTF

Time-resolved photometry is still recommended.

Clear skies,
Patrick
-------
     Am Samstag, 6. März 2021, 18:21:36 MEZ hat Filipp Romanov filipp.romanov.27.04.1997 at gmail.com via vsnet-alert <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  

 Observer: Filipp Romanov (Russia).

Remote from Burke-Gaffney Observatory (Planewave CDK24 telescope):

ASASSN-21AU 20210305.35293 14.792V RFD 0.011
ASASSN-21AU 20210304.30480 14.192V RFD 0.008
ASASSN-21AU 20210227.26307 16.514V RFD 0.052
ASASSN-21AU 20210226.20910 16.323V RFD 0.099

Remote from Abbey Ridge Observatory (Celestron C14 telescope):

ASASSN-21AU 20210304.01734 16.094V RFD 0.035
ASASSN-21AU 20210304.01281 16.340V RFD 0.043
ASASSN-21AU 20210304.00828 16.139V RFD 0.024
ASASSN-21AU 20210304.00369 16.237V RFD 0.043

Images:

2021 Mar. 04.01734
http://aro.abbeyridgeobservatory.ca/sm/images/ARO-31-ASASSN-21AU-ID02308-OC639617-GR3008-V.jpg

2021 Mar. 04.30480
http://www.ap.smu.ca/~bgo/sm/images/BGO-899-ASASSN-21AU-ID13700-OC148221-GR7500-V.jpg