June 2023 - vsnet-newvar - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-newvar 10148] Carter_SDSSJ173047.59+554518.5 superhumps
by Taichi Kato 06 Jun '23

06 Jun '23

Carter_SDSSJ173047.59+554518.5 superhumps Itoh-san reported observations on June 5 and clear superhumps were visible. The outburst was possibly composed of early superhump-type superoutburst, dip and ordinary superoutburst (type E-like in hydrogen-rich WZ Sge stars).

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[vsnet-newvar 10147] SDSSJ162830.89+240259.1: superhumps
by Taichi Kato 06 Jun '23

06 Jun '23

SDSSJ162830.89+240259.1: superhumps Itoh-san recorded superhumps on June 5. According to http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-alert/13491 G. Masi detected superhumps in 2011. The data are not in our record. If Masi still have the data, please send them to vsnet-campaign-report(a)ooruri.kusastro.kyoto-u.ac.jp

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[vsnet-newvar 10146] Carter_SDSSJ173047.59+554518.5 already after dip
by Taichi Kato 05 Jun '23

05 Jun '23

Carter_SDSSJ173047.59+554518.5 already after dip (AM CVn star) Tamas Tordai and Tonny Vanmunster have reported observations. The was an apparent dip on June 3 and the object was observed to brighten on June 3-4 (with superhumps).

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[vsnet-newvar 10145] ZTF23aajjayv superhump period
by Taichi Kato 05 Jun '23

05 Jun '23

ZTF23aajjayv superhump period Josch Hambsch and Tonny Vanmunster have reported further observations. The object now show superhumps. An analysis of the data since May 31 yielded a period of 0.06786(6) d, amplitude 0.11 mag. Likely a period bouncer.

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[vsnet-newvar 10144] ATLAS23lgk up to now
by Taichi Kato 05 Jun '23

05 Jun '23

ATLAS23lgk up to now No time-resolved photometry has been reported. YYYYMMDD(UT) mag observer 20230524.6978 14.990o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.7010 14.981o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.7088 14.992o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.7204 14.961o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.7458 15.294o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.7485 15.301o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.7734 15.268o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230531.9851 15.344o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230531.9914 15.408o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230531.9942 15.379o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.0115 15.382o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.4886 153C (Masayuki Moriyama) 20230602.7197 15.580o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.7230 15.530o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.7282 15.510o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.7420 15.532o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230603.9928 15.907o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-newvar 10143] ASASSN-13cs likely superoutburst
by Taichi Kato 05 Jun '23

05 Jun '23

ASASSN-13cs likely superoutburst Last superoutbursts in 2022 Apr. YYYYMMDD(UT) mag observer 20230531.3448 <17.427g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230601.3900 <17.226g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.1336 <16.627g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.3848 <16.743g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.6056 <151c (Yutaka Maeda) 20230603.6084 141:cG (Yutaka Maeda) 20230603.6084 141:cG (Yutaka Maeda)

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[vsnet-newvar 10142] ASASSN-13bc likely superoutburst
by Taichi Kato 05 Jun '23

05 Jun '23

ASASSN-13bc likely superoutburst (Frequent superoutbursts) YYYYMMDD(UT) mag observer 20230531.519 <176C (Mitsutaka Hiraga) 20230602.6422 <158c (Yutaka Maeda) 20230603.6450 148cG (Yutaka Maeda) 20230604.6358 152C (Masayuki Moriyama)

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[vsnet-newvar 10141] SDSSJ162830.89+240259.1 most likely superoutburst
by Taichi Kato 04 Jun '23

04 Jun '23

SDSSJ162830.89+240259.1 most likely superoutburst No time-resolved photometry has been reported to us. Observations are encouraged. YYYYMMDD(UT) mag observer 20230527.9076 <17.439g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.2858 <16.410g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.3360 <17.122g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.8989 <17.271g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230529.3197 <17.616g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230531.3897 17.551g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230531.553 <177C (Mitsutaka Hiraga) 20230601.1498 <16.260g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230601.2442 <16.680g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.1869 14.596g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.5449 147cG (Yutaka Maeda) 20230602.5449 147cG (Yutaka Maeda)

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[vsnet-newvar 10140] ASASSN-19add possible superoutburst
by Taichi Kato 02 Jun '23

02 Jun '23

ASASSN-19add possible superoutburst ASAS-SN Sky Patrol Photom. DB in combined magnitude. ATLAS data were before the current outburst. YYYYMMDD(UT) mag observer 20230525.0351 17.146g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230525.0351 17.213g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230526.6907 <17.009g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230526.7132 18.449o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.7166 18.668o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.7264 18.408o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.7425 18.884o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.0267 16.421g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230527.0267 16.531g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230527.7057 15.969g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.0265 15.835g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.0265 15.985g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.7168 16.003g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230530.0218 16.005g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230530.0218 16.006g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230601.0151 16.162g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-newvar 10139] ASASSN-23el previous outburst
by Taichi Kato 02 Jun '23

02 Jun '23

ASASSN-23el previous outburst https://www.aavso.org/vsx/index.php?view=detail.top&oid=2387521 YYYYMMDD(UT) mag observer 20030528.2597 <14.50V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20030531.3910 13.178V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20030604.1465 13.581V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20030612.3281 <14.50V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))

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