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

[vsnet-alert 27790] ASASSN-14mt: most likely superoutburst (ER UMa)
by Taichi Kato 29 May '23

29 May '23

ASASSN-14mt: most likely superoutburst (ER UMa) Supercycle 40-50 d (ATLAS+ASAS-SN DB). More frequent superoutburst in 2017. YYYYMMDD(UT) mag observer 20230528.6955 16.634o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.7005 16.614o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.7106 16.673o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27789] ASASSN-15an: bright overlooked (likely) superoutburst in May
by Taichi Kato 29 May '23

29 May '23

ASASSN-15an: bright overlooked (likely) superoutburst in May In the field of RR Pic. Previous long outburst (but fainter) in 2018 Nov.-Dec. + precursor. YYYYMMDD(UT) mag observer 20230427.0321 <18.022g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.8108 <15.932g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.8108 <15.952g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.8108 <16.039g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.0297 <17.929g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230502.7112 15.295o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.7146 15.314o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.7198 15.325o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.7305 15.310o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.8203 14.941g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230502.8203 14.946g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.7953 14.869g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.7953 14.873g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.7953 14.875g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.7953 15.222g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230504.7783 14.844g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230504.7783 15.132g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.0544 14.970g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.7373 15.264g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.7373 <15.135g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.7373 <15.139g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.7373 <15.141g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.7532 15.583o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230506.8011 14.462g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230506.8011 14.464g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230506.8011 14.471g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230506.8011 15.584g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.0282 15.903o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0315 15.930o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0413 15.817o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0571 15.807o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0619 16.042g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.8108 15.447g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.0505 15.690g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.7199 15.897g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.7199 15.942g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.7599 16.115o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.7633 16.099o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.7696 16.039o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.7822 16.022o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.0563 15.934g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230510.0256 16.033g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230510.0256 16.040g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230511.7321 16.039c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7422 16.033c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7523 16.119c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7551 16.118c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7614 16.200c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7646 16.118c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7709 16.005c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.7828 16.138c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230512.0190 16.245g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230512.0190 16.247g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230513.0050 16.407o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.0084 16.284g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230516.0037 <18.077g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230517.9956 <18.095g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230518.9990 <17.419g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230519.9949 <17.696g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230519.9961 <17.205g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230520.9946 <18.234g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230523.7015 19.459c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.9798 <17.983g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230524.9797 <17.872g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230526.9712 <17.517g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230527.9700 <16.951g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27788] ASASSN-19fx likely superoutburst
by Taichi Kato 29 May '23

29 May '23

ASASSN-19fx likely superoutburst Type from ASAS-SN DB+ATLAS. YYYYMMDD(UT) mag observer 20230523.1627 <18.185g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230524.1613 <17.780g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230525.1570 17.242g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230527.1533 17.466g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.1488 <17.523g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.7754 17.958o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.7792 17.923o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.7849 17.904o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.7948 17.877o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27787] ASASSN-14ai likely superoutburst
by Taichi Kato 28 May '23

28 May '23

ASASSN-14ai likely superoutburst Type from ATLAS + ASAS-SN DB. YYYYMMDD(UT) mag observer 20230519.7535 <18.862g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230520.0953 <17.616g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230521.0913 18.520g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230524.0784 17.839g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230525.0743 <17.502g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230527.0656 16.263g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.0612 15.959g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27786] CH Her superhump period
by Taichi Kato 28 May '23

28 May '23

CH Her superhump period Tamas Tordai has reported second-night observations. The superhump period is established to be 0.07398(3) d. The amplitude is 0.15 mag.

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[vsnet-alert 27785] V1310 Cyg long outburst
by Taichi Kato 28 May '23

28 May '23

V1310 Cyg long outburst Nay be a superoutburst. YYYYMMDD(UT) mag observer 20230515.8079 <140c (Yutaka Maeda) 20230516.8015 <143c (Yutaka Maeda) 20230518.4347 21.052zg (ZTF Alert DC mag (Masci+ 2019)) 20230522.4089 16.213zr (ZTF Alert DC mag (Masci+ 2019)) 20230522.4590 16.656o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230522.4613 17.125o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230522.4843 16.868o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230522.4930 16.638o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5401 16.485o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5695 16.607o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5732 16.488o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5786 17.112o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.4339 16.077zg (ZTF Alert DC mag (Masci+ 2019)) 20230525.4522 16.169zr (ZTF Alert DC mag (Masci+ 2019)) 20230526.5123 16.980o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5154 16.789o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5326 16.642o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5444 16.811o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5066 16.574o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5290 16.599o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5317 16.583o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5370 16.479o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5155 16.575o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5280 16.422o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5311 16.364o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27784] ASASSN-18fp superoutburst
by Taichi Kato 28 May '23

28 May '23

ASASSN-18fp superoutburst YYYYMMDD(UT) mag observer 20230523.4905 <149c (Yutaka Maeda) 20230526.4925 138:c (Yutaka Maeda) 20230528.692 137 (Rod Stubbings)

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[vsnet-alert 27783] EK TrA outburst
by Taichi Kato 28 May '23

28 May '23

EK TrA outburst Faint superoutburst? Bright superoutburst in 2021 Mar. YYYYMMDD(UT) mag observer 20230519.2466 16.797o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230519.2497 17.334o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230519.2571 16.728o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230519.2645 14.813g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230519.2690 17.287o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230520.9132 16.651c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230520.9178 17.043c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230520.9252 16.642c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230521.0276 16.533c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.9051 12.081c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.9106 12.072c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.9138 12.045c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.9246 12.063c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.2007 11.798o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.2048 11.861o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.2243 11.967o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.2374 12.042o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.9912 11.531g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.0765 11.737g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.692 121 (Rod Stubbings)

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[vsnet-alert 27782] QU Aqr superoutburst
by Taichi Kato 28 May '23

28 May '23

QU Aqr superoutburst Known SU UMa star. Frequent superoutbursts and would deserve ER UMa-type classification (but superoutbursts are not very long). YYYYMMDD(UT) mag observer 20230519.3594 <17.108g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230520.4031 17.754zr (ZTF Alert DC mag (Masci+ 2019)) 20230520.4293 17.438zg (ZTF Alert DC mag (Masci+ 2019)) 20230522.4032 17.328zr (ZTF Alert DC mag (Masci+ 2019)) 20230522.4258 17.240zg (ZTF Alert DC mag (Masci+ 2019)) 20230523.3375 15.882g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230524.3479 15.966g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230524.4245 15.877zr (ZTF Alert DC mag (Masci+ 2019)) 20230524.4500 15.815zg (ZTF Alert DC mag (Masci+ 2019)) 20230525.2422 15.651g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230525.3271 15.722g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230525.678 154 (Rod Stubbings) 20230526.4123 15.774g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230526.4560 15.663zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27781] CH Her: indeed SU UMa star
by Taichi Kato 26 May '23

26 May '23

CH Her: indeed SU UMa star Tamas Tordai has reported observations and detected superhumps (period about 0.075 d).

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