vsnet-alert October 2023

vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp

5 participants
4 discussions

[vsnet-alert 27959] AT 2023veq (Vend55): bright nova candidate in M31
by FIDRICH Robert 18 Oct '23

18 Oct '23

Dear Friends, We have discovered a bright nova candidate in M31 on at around 18.6 magnitudes using 2x120s co-added images made om October 16.9870 UT with 0.32m telescope of the iTelescope.net network remotely at Nerpio, Spain with Luminance filter. AT 2023veq (Vend55) has significantly brightened in the 24 hours since it's discovery: by October 17.9082 UT the quest star has reached 17.7 magnitudes. More details: - http://vendegcsillagkereso.blogspot.com/2023/10/vend55-at-2023veq-bright-no… - https://www.wis-tns.org/object/2023veq - www.cbat.eps.harvard.edu/unconf/followups/J00433237+4138211.html Further photometric and spectroscopic follow-up observations are encouraged! Clear skies, Robert Fidrich and Tamas Tordai "Vendégcsillag-kereső" (Guest Star Hunter) team HAA/VSS

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[vsnet-alert 27958] ASASSN-23gr: new SU UMa-type dwarf nova
by Taichi Kato 14 Oct '23

14 Oct '23

ASASSN-23gr: new SU UMa-type dwarf nova Josch Hambsch has reported observations. The data show superhumps with a period of 0.06345(5) d. The amplitude is rather small (0.04 mag) and may be still growing.

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[vsnet-alert 27957] SDSSJ170810.31+445450.7 outburst
by Tadashi Kojima 11 Oct '23

11 Oct '23

object YYYYMMDD(UT) mag code SDSSJ170810.31+445450.7 20231010.397 133c Tko SDSSJ170810.31+445450.7 20231011.402 142c Tko Observer: Tadashi Kojima (Tsumagoi,Gunma, Japan) Instruments: f.l.=200mm,300mm lens + Canon EOS 6D

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[vsnet-alert 27955] Any news about T. Kato?
by Josch Hambsch 11 Oct '23

11 Oct '23

HI, any news about Taichi Kato? He has not been providing feedback on stars on VSNET since a couple of weeks. What happened to him? I hope we will get an answer from his collaborators. Looking forward to any reply. Best regards, Josch Hambsch

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vsnet-alert October 2023