April 2023 - vsnet-alert - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-alert 27604] CSS J062450.1+503114 likely superoutburst
by Taichi Kato 10 Apr '23

10 Apr '23

CSS J062450.1+503114 likely superoutburst But faint. YYYYMMDD(UT) mag observer 20230403.478 <176C (Mitsutaka Hiraga) 20230407.485 154C (Mitsutaka Hiraga) 20230408.5937 163:C (Masayuki Moriyama) 20230409.6004 163:C (Masayuki Moriyama)

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[vsnet-alert 27603] ES Dra apparently dwarf nova phase
by Taichi Kato 10 Apr '23

10 Apr '23

ES Dra apparently dwarf nova phase Standstill up to 2023 Feb. YYYYMMDD(UT) mag observer 20230328.6570 151C (Masayuki Moriyama) 20230328.7275 146:cG (Yutaka Maeda) 20230402.6093 <155c (Yutaka Maeda) 20230407.6562 143c (Yutaka Maeda) 20230408.6368 142cG (Yutaka Maeda) 20230408.7955 150C (Masayuki Moriyama) 20230409.8174 153C (Masayuki Moriyama) Z Cam + VY Scl + E: https://arxiv.org/pdf/2205.00632.pdf

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[vsnet-alert 27602] Wils_SDSSJ080306.99+284855.8 possible superoutburst
by Taichi Kato 10 Apr '23

10 Apr '23

Wils_SDSSJ080306.99+284855.8 possible superoutburst Known SU UMa star. YYYYMMDD(UT) mag observer 20230326.5840 <151c (Yutaka Maeda) 20230328.6218 <153c (Yutaka Maeda) 20230331.5855 <154c (Yutaka Maeda) 20230402.4976 <152c (Yutaka Maeda) 20230408.5323 159:c (Yutaka Maeda) 20230408.5323 159:c (Yutaka Maeda)

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[vsnet-alert 27601] SDSS J153634.42+332851.9 superoutburst?
by Taichi Kato 10 Apr '23

10 Apr '23

SDSS J153634.42+332851.9 superoutburst? Known SU UMa star. YYYYMMDD(UT) mag observer 20230328.6439 <169C (Masayuki Moriyama) 20230331.6921 <156c (Yutaka Maeda) 20230331.7935 <176C (Masayuki Moriyama) 20230402.5742 <152c (Yutaka Maeda) 20230407.6603 <145c (Yutaka Maeda) 20230408.6408 147:c (Yutaka Maeda) 20230408.6408 147:c (Yutaka Maeda)

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[vsnet-alert 27600] TCP J17233734+1902555: ordinary superhumps?
by Taichi Kato 10 Apr '23

10 Apr '23

TCP J17233734+1902555: ordinary superhumps? The most recent observations by Itoh-san on Apr. 9 show a suggestion of emerging ordinary superhumps.

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[vsnet-alert 27599] OV Dra outburst
by 前田豊 09 Apr '23

09 Apr '23

UGSU+E star OV Dra outburst. DRAOV 20230409.64811 159:c Mdy MAEDA Yutaka Nagasaki Japan

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[vsnet-alert 27598] ASASSN-15dq outburst
by Taichi Kato 08 Apr '23

08 Apr '23

ASASSN-15dq outburst See Maeda-san's detection. Already started brightening in March? First confirmed outburst since 2015. YYYYMMDD(UT) mag observer 20230314.4609 <157c (Yutaka Maeda) 20230315.4777 <153c (Yutaka Maeda) 20230316.4990 <158c (Yutaka Maeda) 20230326.4430 <152c (Yutaka Maeda) 20230327.1182 18.354o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.4727 <158c (Yutaka Maeda) 20230402.4347 <147c (Yutaka Maeda) 20230406.9332 16.247o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.9412 16.159o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.9462 16.102o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.9595 16.088o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-alert 27597] V418 Ser faint superoutburst?
by Taichi Kato 08 Apr '23

08 Apr '23

V418 Ser faint superoutburst? YYYYMMDD(UT) mag observer 20230402.6208 <156c (Yutaka Maeda) 20230403.1695 <175C (Masao Funada) 20230404.4165 16.615o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230405.1972 16.447o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230405.1999 16.407o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230405.2054 16.404o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.2366 16.90C (Masao Funada)

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[vsnet-alert 27596] EY Cyg outburst
by Taichi Kato 08 Apr '23

08 Apr '23

EY Cyg outburst (Long-Porb SS Cyg star) YYYYMMDD(UT) mag observer 20230329.8293 148C (Masayuki Moriyama) 20230401.846 148C (Mitsutaka Hiraga) 20230402.7948 144:cG (Yutaka Maeda) 20230407.7522 11.21V (Kenji Hirosawa) 20230407.7805 112c (Tadashi Kojima)

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[vsnet-alert 27595] V391 Cam outburst but faded rapidly
by Taichi Kato 07 Apr '23

07 Apr '23

V391 Cam outburst but faded rapidly YYYYMMDD(UT) mag observer 20230329.5516 157C (Masayuki Moriyama) 20230329.8563 <142 (Eddy Muyllaert) 20230331.4954 120cG (Yutaka Maeda) 20230401.5791 139C (Masayuki Moriyama) 20230402.2794 14.804o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230402.2866 14.832o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230402.849 146 (Gary Poyner) 20230402.8604 <142 (Eddy Muyllaert) 20230403.469 154C (Mitsutaka Hiraga) 20230403.850 <150 (Gary Poyner) 20230403.8632 <142 (Eddy Muyllaert) 20230404.8569 <142 (Eddy Muyllaert)

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vsnet-alert April 2023