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

[vsnet-alert 27654] ASASSN-16it likely bright superoutburst
by Taichi Kato 19 Apr '23

19 Apr '23

ASASSN-16it likely bright superoutburst YYYYMMDD(UT) mag observer 20230412.8134 <159c (Yutaka Maeda) 20230416.8092 <156c (Yutaka Maeda) 20230417.8245 138:cG (Yutaka Maeda) 20230418.5675 14.215c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.5712 14.219c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.5904 14.236c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-alert 27653] ASASSN-19xn outburst, recent data
by Taichi Kato 19 Apr '23

19 Apr '23

ASASSN-19xn outburst, recent data This object appears to be an SU UMa star with a supercycle about 330 d (ATLAS data). Currently in likely superoutburst. YYYYMMDD(UT) mag observer 20230411.1143 17.201o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.1212 17.198o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.1240 17.142o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.1348 17.397o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.3467 17.556o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.3591 17.657o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.3625 17.624o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.3668 17.738o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.0983 17.786o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1018 17.874o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1141 17.780o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1181 17.863o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1684 17.960o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.3384 18.011c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.3406 17.967c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.3474 18.066c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.3858 <179C (Masao Funada) 20230418.3858 178:C (Masao Funada)

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[vsnet-alert 27652] MASTER OT J185838.73+460207.2 outburstrecent data
by Taichi Kato 19 Apr '23

19 Apr '23

MASTER OT J185838.73+460207.2 outburst$B!"(Brecent data YYYYMMDD(UT) mag observer 20230412.6956 <157c (Yutaka Maeda) 20230415.5941 19.282o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.6818 <156c (Yutaka Maeda) 20230417.5486 15.529c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.5523 15.513c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.5563 15.456c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.6981 148c (Yutaka Maeda)

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[vsnet-alert 27651] MASTER OT J185838.73+460207.2 outburst
by Taichi Kato 19 Apr '23

19 Apr '23

MASTER OT J185838.73+460207.2 outburst SU UMa star. YYYYMMDD(UT) mag observer 20230412.7300 <150c (Yutaka Maeda) 20230416.7257 <163c (Yutaka Maeda) 20230417.7418 156:c (Yutaka Maeda)

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[vsnet-alert 27650] MASTER OT J174902.10+191331.2 possible superoutburst
by Taichi Kato 19 Apr '23

19 Apr '23

MASTER OT J174902.10+191331.2 possible superoutburst Last superoutburst in 2021 Apr.-May. YYYYMMDD(UT) mag observer 20230412.6956 <157c (Yutaka Maeda) 20230416.6818 <156c (Yutaka Maeda) 20230417.6981 148c (Yutaka Maeda)

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[vsnet-alert 27649] OV Dra: precursor + superoutburst
by Taichi Kato 19 Apr '23

19 Apr '23

OV Dra: precursor + superoutburst (UGSU+E) YYYYMMDD(UT) mag observer 20230408.6332 <163c (Yutaka Maeda) 20230409.6481 159:c (Yutaka Maeda) 20230409.8030 16.11C (Masayuki Moriyama) 20230410.6308 <154c (Yutaka Maeda) 20230412.7939 <160C (Masayuki Moriyama) 20230415.6977 <148c (Yutaka Maeda) 20230417.6310 154:cG (Yutaka Maeda)

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[vsnet-alert 27648] ASASSN-16it suuperoutburst?
by Taichi Kato 19 Apr '23

19 Apr '23

ASASSN-16it suuperoutburst? YYYYMMDD(UT) mag observer 20230412.8134 <159c (Yutaka Maeda) 20230416.8092 <156c (Yutaka Maeda) 20230417.8245 138:cG (Yutaka Maeda)

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[vsnet-alert 27647] BZ Cir possible superoutburst
by Taichi Kato 18 Apr '23

18 Apr '23

BZ Cir possible superoutburst YYYYMMDD(UT) mag observer 20230410.2569 171C (Masao Funada) 20230417.741 143 (Rod Stubbings)

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[vsnet-alert 27646] V803 Cen superoutburst
by Taichi Kato 18 Apr '23

18 Apr '23

V803 Cen superoutburst YYYYMMDD(UT) mag observer 20230413.451 156 (Rod Stubbings) 20230414.2291 16.75C (Masao Funada) 20230416.441 156 (Rod Stubbings) 20230416.6356 153C (Masayuki Moriyama) 20230417.742 127 (Rod Stubbings)

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[vsnet-alert 27645] HW Boo outburst
by Taichi Kato 18 Apr '23

18 Apr '23

HW Boo outburst Rapidly fading bright outburst. Possible precursor? YYYYMMDD(UT) mag observer 20230412.6022 <162c (Yutaka Maeda) 20230413.269 17.43V (Gary Poyner) 20230413.9139 <141 (Eddy Muyllaert) 20230415.6488 135c (Yutaka Maeda) 20230415.9229 <141 (Eddy Muyllaert) 20230415.9264 <137 (Jose Ripero) 20230416.5672 145:cG (Yutaka Maeda) 20230416.9222 <141 (Eddy Muyllaert) 20230416.9319 <141 (Jose Ripero) 20230417.038 15.12C (Gary Poyner)

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vsnet-alert April 2023