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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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[vsnet-campaign-dn 16438] SDSS J152419.33+220920.0 outburst
by Taichi Kato 14 Jun '22

14 Jun '22

SDSS J152419.33+220920.0 outburst UGSU+E YYYYMMDD(UT) mag observer 20220531.2786 18.394zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220602.2749 19.395zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.5512 <158c (Yutaka Maeda) 20220606.2132 18.414zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220606.5588 <157c (Yutaka Maeda) 20220610.3212 15.400zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220610.3661 15.562zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16437] ZTF J193534.18+085856.8 likely superoutburst
by Taichi Kato 14 Jun '22

14 Jun '22

ZTF J193534.18+085856.8 likely superoutburst http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia22cky/ Gaia22cky AT2022mtb 2022-06-08 09:08:12 293.89235 8.98220 18.58 19.59 0.20 unknown 2022-06-13 07:13:14 ~1 mag brightening in Gaia source Likely SU UMa star in ZTF data. Superoutbursts in 2019 June, 2020 Nov. and probably now.

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[vsnet-campaign-dn 16436] CRTS J204618.0-312128 bright outburst
by Taichi Kato 14 Jun '22

14 Jun '22

CRTS J204618.0-312128 bright outburst http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia22ckz/ Gaia22ckz AT2022mtc 2022-06-07 21:51:21 311.57483 -31.35790 14.47 17.86 1.40 unknown 2022-06-13 07:14:00 ~5 mag outburst in candidate CV SSS110413:204618-312128

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[vsnet-campaign-dn 16435] ASASSN-21fd likely superoutburst
by Taichi Kato 10 Jun '22

10 Jun '22

ASASSN-21fd likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20220526.4121 16.054zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220528.3994 15.856zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220528.4407 15.756zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220601.3829 16.298zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220601.4241 16.463zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.3533 16.714zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.4420 16.654zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220605.3965 16.891zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.3085 16.880zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.4155 16.770zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16434] V418 Ser superoutburst
by Taichi Kato 10 Jun '22

10 Jun '22

V418 Ser superoutburst (EI Psc star) YYYYMMDD(UT) mag observer 20220601.5617 <155c (Yutaka Maeda) 20220603.449 150 (Rod Stubbings) 20220603.5563 158:c (Yutaka Maeda) 20220604.8875 154cG (Masao Funada) 20220606.5638 154:cG (Yutaka Maeda) 20220606.5638 154:cG (Yutaka Maeda) 20220608.5416 <152c (Yutaka Maeda) 20220608.5697 15.91C (Masayuki Moriyama)

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[vsnet-campaign-dn 16182] V485 Cen superoutburst
by Taichi Kato 07 Jun '22

07 Jun '22

V485 Cen superoutburst EI Psc-type object. YYYYMMDD(UT) mag observer 20211218.2709 <168C (Masao Funada) 20211225.3367 14.18C (Masao Funada) 20211227.642 144 (Rod Stubbings) 20211228.658 145 (Rod Stubbings) 20211229.658 145 (Rod Stubbings)

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