June 2022 - vsnet-newvar - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-newvar 9362] 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-newvar 9361] 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-newvar 9360] 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-newvar 9359] 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-newvar 9358] 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-newvar 9357] 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-newvar 9356] 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-newvar 9355] 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-newvar 9354] 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-newvar 9353] 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-newvar June 2022