- vsnet-campaign-dn - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-campaign-dn 16448] ASASSN-20ke likely superoutburst (AM CVn candidate)
by Taichi Kato 20 Jun '22

20 Jun '22

ASASSN-20ke likely superoutburst (AM CVn candidate) Type from ZTF data. Supercycle = 1 yr. YYYYMMDD(UT) mag observer 20220613.3213 16.763zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220613.3950 16.875zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16447] ASASSN-20jt likely superoutburst (AM CVn candidate)
by Taichi Kato 20 Jun '22

20 Jun '22

ASASSN-20jt likely superoutburst (AM CVn candidate) Type from ZTF data. Supercycle = 2 yr. YYYYMMDD(UT) mag observer 20220614.4139 16.982zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220614.4523 16.812zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16446] ASASSN-18zm likely superoutburst
by Taichi Kato 20 Jun '22

20 Jun '22

ASASSN-18zm likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20220608.4122 16.924zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220608.4380 16.955zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220609.3755 16.824zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.3672 17.205zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220612.4528 17.236zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220613.4323 17.331zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220613.4458 17.416zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220614.4518 17.433zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16445] ASASSN-18pp long outburst
by Taichi Kato 20 Jun '22

20 Jun '22

ASASSN-18pp long outburst Possible superoutburst? YYYYMMDD(UT) mag observer 20220610.3979 16.255zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220612.3882 16.485zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220612.4209 16.639zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220614.3771 16.314zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220614.4209 16.427zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16444] ASASSN-14cr likely superoutburst
by Taichi Kato 20 Jun '22

20 Jun '22

ASASSN-14cr likely superoutburst YYYYMMDD(UT) mag observer 20220608.7701 <156c (Yutaka Maeda) 20220611.3652 15.550zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.4560 15.386zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.7559 <155c (Yutaka Maeda)

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[vsnet-campaign-dn 16441] V1028 Cyg outburst
by Taichi Kato 17 Jun '22

17 Jun '22

V1028 Cyg outburst YYYYMMDD(UT) mag observer 20220610.9528 <144 (Eddy Muyllaert) 20220611.7357 <160c (Yutaka Maeda) 20220611.9854 <144 (Eddy Muyllaert) 20220613.9688 <144 (Eddy Muyllaert) 20220614.9681 137 (Eddy Muyllaert) 20220615.117 13.47C (Gary Poyner)

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[vsnet-campaign-dn 16442] MGAB-V349: SU UMa + IW And (currently in outburst)
by Taichi Kato 17 Jun '22

17 Jun '22

MGAB-V349: SU UMa + IW And (currently in outburst) From ZTF data. Superoutburst in 2019 June-July. Suuperhump detection on 2019 July 10. Long, slowly fading outburst in 2021 June (superoutburst?). Standstill-like behavior (IW And) between 2019 Aug. and Nov. Time-resolved photometry during long outbursts are desired (mag 16 at maximum).

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[vsnet-campaign-dn 16443] MN Dra superoutburst
by Taichi Kato 17 Jun '22

17 Jun '22

MN Dra superoutburst YYYYMMDD(UT) mag observer 20220531.7739 <147c (Yutaka Maeda) 20220601.3926 21.613zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220601.4358 19.760zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220601.7914 <159c (Yutaka Maeda) 20220602.4316 18.018zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220602.4463 17.810zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220602.7851 <154c (Yutaka Maeda) 20220603.2590 16.503zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.3237 16.577zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.7908 <159c (Yutaka Maeda) 20220604.4138 15.840zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220604.4568 15.851zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220605.3874 15.756zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220605.4284 16.062zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.2856 16.005zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.3018 15.824zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.4083 15.993zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.4098 15.942zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220608.7532 <149c (Yutaka Maeda) 20220609.3739 16.285zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220609.3912 16.244zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220609.4337 16.098zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.3455 16.341zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.3697 16.324zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.4104 16.316zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220611.4261 16.464zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16440] X Ser (Nova 1903) in outburst (since June 9)
by Patrick Schmeer 16 Jun '22

16 Jun '22

X Serpentis (NB+UG) https://www.aavso.org/vsx/index.php?view=detail.top&oid=34598 Recent ASAS-SN Sky Patrol light curve and data: https://asas-sn.osu.edu/sky-patrol/coordinate/6ce91fc2-18e8-4c73-a907-c901f… Zwicky Transient Facility (ZTF) light curve and data: https://lasair.roe.ac.uk/object/ZTF18adbafew/ Robert J. Modic detected the current outburst at V= 15.35 on 2022 June 16.226 UT (see below). The most recently recorded outburst occurred from 2021 July 28 to September 10. Clear skies, Patrick ----------- References: All-Sky Automated Survey for Supernovae (ASAS-SN) Sky Patrol: - Shappee et al., 2014ApJ...788...48S - Kochanek et al., 2017PASP..129j4502K Lasair: - Smith et al., 2019RNAAS...3...26S Zwicky Transient Facility (ZTF): - Masci et al., 2019PASP..131a8003M ------------ Robert J. Modic wrote on 16 June 2022 at 06:20:30 UTC: CCD Observations Object YYYYMMDD(UT) Mag Obs Chart Remarks SERX 20220616.226 15.35V MRV Henden T21; Err 0.04; Outburst Instruments: Planewave 17" CDK w/FLI PL6303E, iTelescope.Net (T21) Observer: Robert J. Modic (MRV)

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[vsnet-campaign-dn 16439] MGAB-V300 likely superoutburst
by Taichi Kato 14 Jun '22

14 Jun '22

MGAB-V300 likely superoutburst Superhumps have not yet been detected. YYYYMMDD(UT) mag observer 20220421.2778 <184C (Masao Funada) 20220612.2432 14.06C (Masao Funada)

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