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

[vsnet-alert 27760] V1315 Aql: low state
by Taichi Kato 17 May '23

17 May '23

V1315 Aql: low state First time since the discovery? YYYYMMDD(UT) mag observer 20230404.3761 15.710o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230404.3799 15.561g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230404.3812 15.669o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230404.4021 15.810o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230404.4091 18.684o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3337 15.822o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3374 15.832o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3434 15.783o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3531 16.010o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6187 15.712o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6225 15.858o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6292 15.640o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6356 15.672o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.1448 16.230g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230408.3470 16.307o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.3502 16.438o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.3557 16.441o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.3677 16.447o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.4951 17.476zg (ZTF Alert DC mag (Masci+ 2019)) 20230410.3144 16.017g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230410.4830 16.962zg (ZTF Alert DC mag (Masci+ 2019)) 20230410.5350 <16.939g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230411.3248 16.752o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3467 16.466o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3499 16.635o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3504 16.598o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3540 16.480o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3555 16.447o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3595 16.503o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3707 16.595o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3696 17.235o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3728 17.364o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3774 17.212o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3913 17.041o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.4199 16.946o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0655 17.560o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0664 17.479o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0696 17.567o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0701 17.591o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0802 17.648o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.1050 18.062o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.1069 17.831o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.1170 17.555o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.3600 16.537g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230417.3268 17.267c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.3304 17.089c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.3367 17.154c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.3745 18.282c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.3037 16.643g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230419.1348 17.731o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1382 17.658o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1444 17.585o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1559 17.736o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1675 17.629o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.3823 16.602g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230420.3131 17.263c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.3163 17.375c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.3218 17.408c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.4482 17.224zg (ZTF Alert DC mag (Masci+ 2019)) 20230421.3900 16.916g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230422.4440 17.381zg (ZTF Alert DC mag (Masci+ 2019)) 20230423.2823 16.462g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230424.4802 17.161zg (ZTF Alert DC mag (Masci+ 2019)) 20230425.4659 <17.130g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230426.4260 16.414zg (ZTF Alert DC mag (Masci+ 2019)) 20230427.4439 16.832g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.3085 <16.767g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.3330 17.911c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3348 17.810c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3418 17.513c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3473 17.644c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230430.3712 16.337g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.0769 17.256o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0793 17.680o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0820 18.581o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3425 16.221g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.3762 16.370g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230502.2956 16.869o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.2974 16.888o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3006 17.251o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3060 17.175o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0396 17.455o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0423 17.253o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0455 17.571o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0519 17.022o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2677 17.204o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2704 17.604o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2930 17.213o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2980 16.834o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0458 16.990o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0481 17.013o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0572 17.058o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0627 17.241o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.4244 <16.390g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.4244 <16.830g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.2482 17.469o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2500 17.419o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2532 17.470o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2802 17.354o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.4214 17.236zg (ZTF Alert DC mag (Masci+ 2019)) 20230509.4362 <16.864g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230510.0780 17.592o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.0812 17.615o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.0848 17.609o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.1133 17.469o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.3918 17.126o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.3950 17.018o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4046 16.931o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4174 17.459o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230512.2646 15.992g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230514.3214 16.232g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.3128 16.445g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.5768 17.135o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230515.5832 17.396o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230516.3238 16.519g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27759] ZTF23aajjayv = ATLAS23khx = TCPJ13070070+0659214: likely WZ Sge star
by Taichi Kato 17 May '23

17 May '23

ZTF23aajjayv = ATLAS23khx = TCPJ13070070+0659214: likely WZ Sge star (ASAS-SN positive data before May 13 may have been false detections) Large-amplitude outburst. YYYYMMDD(UT) mag observer 20230512.0661 <16.962g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.0673 <17.048g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.0686 16.874g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.2494 <15.386g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.2507 <15.026g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.2519 <14.876g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.4247 <17.254g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.4260 16.854g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.4273 16.891g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230513.3678 15.602g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230513.3691 15.647g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230513.3703 15.463g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230514.2359 14.480o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.2438 14.520o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.2479 14.494o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.3689 14.031g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230514.3701 14.026g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230514.3714 14.040g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230515.3262 14.161g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230515.3274 14.166g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230515.3287 14.186g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230515.9732 14.266g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230515.9745 14.256g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230515.9757 14.302g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230516.3228 14.295g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230516.3240 14.314g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230516.3253 14.279g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) Also at 14.0 on May 16 (Yuji Nakamura) from TOCP. ZTF caught at 16.55 on May 13 on the rise.

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[vsnet-alert 27758] EW Hya: indeed SU UMa star
by Taichi Kato 17 May '23

17 May '23

EW Hya: indeed SU UMa star Greg Bolt has reported observations. The object showed superhumps with a period of 0.081 d and an amplitude of 0.17 mag on May 15. Further observations are requested to refine the period.

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[vsnet-alert 27757] TCPJ17552445-4743255: possible WZ Sge? peak in April
by Taichi Kato 17 May '23

17 May '23

TCPJ17552445-4743255: possible WZ Sge? peak in April YYYYMMDD(UT) mag observer 20230417.9655 15.000o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.9673 15.023o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.9703 14.993o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.0018 14.996o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1933 15.259c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1961 15.278c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1989 15.262c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.2041 15.241c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.4206 15.304c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3746 16.372c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3773 16.425c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3835 16.437c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3946 16.416c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4011 16.257c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4043 16.267c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4075 16.295c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4107 16.283c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0213 16.808o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0232 16.753o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0588 16.738o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0748 16.692o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9252 17.376o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9419 17.415o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9447 17.479o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9687 17.258o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3293 16.975c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3395 16.932c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3427 16.890c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3483 16.848c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9250 17.521o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9269 17.281o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9303 17.415o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9317 17.664o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9342 17.674o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9355 17.372o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9394 17.651o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9446 17.528o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9385 17.735o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9726 17.604o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9907 17.620o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27756] Spectrum of TCP J17583414-2652300
by Kenta TAGUCHI 17 May '23

17 May '23

Spectrum of TCP J17583414-2652300 We reported optical spectrum of TCP J17583414-2652300 to ATel #16038 and classify it as a reddened nova: https://www.astronomerstelegram.org/?read=16038 Best, Kenta -- ________________________________________________________________ 田口健太　(TAGUCHI, Kenta) 京都大学大学院理学研究科宇宙物理学教室 (Department of Astronomy, Graduate School of Science, Kyoto University) kentagch(a)kusastro.kyoto-u.ac.jp 09090536980

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[vsnet-alert 27755] Re: V548 Pav bright outburst
by Taichi Kato 17 May '23

17 May '23

Re: V548 Pav bright outburst YYYYMMDD(UT) mag observer 20230514.3410 <18.250g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.3204 14.083g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.599 142 (Rod Stubbings) 20230516.3314 14.067g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) Berto, the location is 211212.998 -663804.18 (2000.0) Gaia_DR2_6400875939749808256 plx=1.501(0.239) dismod=9.1 pmra=-3.542(0.282) pmdec=8.801(0.524) G=18.798 BP=19.090 RP=18.161 211212.998 -663804.17 (2000.0) Gaia_EDR3_6400875939749808256 plx=1.071(0.094) dismod=9.9 pmra=-2.708(0.100) pmdec=8.431(0.124) G=18.650 BP=18.891 RP=18.024 211213.038 -663803.63 (2000.0) GALEX_DR5_6383898878981180820 NUV=19.421(0.071) FUV=19.595(0.115)

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[vsnet-alert 27754] ZTF19actaznc outburst: dip or rebrightening
by Taichi Kato 16 May '23

16 May '23

ZTF19actaznc outburst: dip or rebrightening (Gaia detection) http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bud/ Gaia23bud AT2023imp 2023-05-01 16:13:38 321.84744 37.76632 18.22 20.15 0.65 unknown 2023-05-15 09:50:11 Outburst in candidate CV ZTF19actaznc YYYYMMDD(UT) mag observer 20230411.4472 16.997zr (ZTF Alert DC mag (Masci+ 2019)) 20230411.4710 16.967zg (ZTF Alert DC mag (Masci+ 2019)) 20230416.4556 17.248zr (ZTF Alert DC mag (Masci+ 2019)) 20230416.4860 17.285zg (ZTF Alert DC mag (Masci+ 2019)) 20230418.5994 17.349c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.6137 17.197c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.6215 17.213c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6048 17.284c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6109 17.356c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6150 17.396c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6263 17.360c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.5854 17.451c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.5886 17.405c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.5918 17.379c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.6038 17.271c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5593 17.627c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5625 17.607c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5680 17.599c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5703 17.544c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5735 17.582c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5763 17.624c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5772 17.620c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5823 17.644c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.4326 18.138zr (ZTF Alert DC mag (Masci+ 2019)) 20230501.4681 18.372zg (ZTF Alert DC mag (Masci+ 2019)) 20230502.6122 18.801o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.6194 18.768o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.6236 18.759o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.5890 18.863o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.5964 18.842o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5655 18.673o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5691 18.298o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5792 18.580o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5856 18.630o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.4347 18.401zg (ZTF Alert DC mag (Masci+ 2019)) 20230513.5545 18.102o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5572 18.009o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5599 17.931o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5818 18.046o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.5960 18.259o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.6118 18.121o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.6160 18.121o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27753] V548 Pav bright outburst
by Taichi Kato 16 May '23

16 May '23

V548 Pav bright outburst The 2022 Oct.-Nov. outburst with similar brightness was a long outburst. Possible SU UMa? YYYYMMDD(UT) mag observer 20230514.3410 <18.250g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.3204 14.083g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.599 142 (Rod Stubbings)

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[vsnet-alert 27752] ASASSN-22ak period
by Taichi Kato 15 May '23

15 May '23

ASASSN-22ak period Josch Hambsch has reported additional data with a higher cadence. Although the period is not directly apparent to the eyes, a period analysis using all the data appears to give a consistent period of 0.04128(4) d (amplitude 0.06 mag, slower rise and steeper fade). This period is the same as reported in 2022 Dec. (vsnet-alert 27243). The double period appears to be excluded by the rapid fading in 2022. The small amplitude may have been due to observations more than 10 d after the peak. I suspect that this object is an EI Psc star from this period. The outburst behavior is very unusual.

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[vsnet-alert 27751] 1RXSJ075330.1+044606: very active
by Taichi Kato 15 May '23

15 May '23

1RXSJ075330.1+044606: very active Very active transition between high and low states (VY Scl) since 2022 Sep. Currently in low state. YYYYMMDD(UT) mag observer 20230406.8840 16.375o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.8875 16.366o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.8928 16.591o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.9074 16.475o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.0940 16.199o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.1118 16.512o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.1220 16.336o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.1298 16.536o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.2909 14.864zg (ZTF Alert DC mag (Masci+ 2019)) 20230409.5473 167C (Masayuki Moriyama) 20230409.7961 16.555o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.7990 16.560o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.8053 16.359o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.8161 16.352o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230410.3228 16.356g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230411.0440 16.464c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0472 16.553c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0532 16.432c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0568 16.431c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0697 16.493c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.1112 16.374g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230411.1572 16.389zg (ZTF Alert DC mag (Masci+ 2019)) 20230411.2374 16.241zr (ZTF Alert DC mag (Masci+ 2019)) 20230412.5505 165C (Masayuki Moriyama) 20230414.0415 16.666c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.0447 16.485c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.0516 16.421c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.0630 16.533c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.1925 17.210zr (ZTF Alert DC mag (Masci+ 2019)) 20230415.2895 17.401g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230415.7919 17.511o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.7947 17.433o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.8016 17.445o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.8194 17.488o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0263 17.963c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0295 17.995c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0390 18.477c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0542 18.093c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.1720 17.631zr (ZTF Alert DC mag (Masci+ 2019)) 20230417.1937 17.155zg (ZTF Alert DC mag (Masci+ 2019)) 20230419.2117 17.571zr (ZTF Alert DC mag (Masci+ 2019)) 20230420.0376 18.155c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.0407 18.390c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.0462 18.202c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.0562 18.382c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230421.1761 18.378zg (ZTF Alert DC mag (Masci+ 2019)) 20230423.0030 18.721c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.0062 18.750c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.0161 18.863c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.0216 18.530c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.1829 18.654zr (ZTF Alert DC mag (Masci+ 2019)) 20230423.2018 17.240zg (ZTF Alert DC mag (Masci+ 2019)) 20230424.0321 <17.290g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230424.7202 18.905o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230424.7398 19.111o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.0558 <17.356g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230426.5593 <161C (Masayuki Moriyama) 20230430.7197 18.008o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230430.7230 18.328o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.1750 17.378zg (ZTF Alert DC mag (Masci+ 2019)) 20230502.0310 18.391o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.0342 18.192o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.0145 <16.947g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230504.0520 <16.762g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230504.9889 <16.904g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.0275 18.028o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.9636 18.504o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.9774 18.834o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.9900 18.529o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7247 18.648o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7278 18.396o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7420 18.180o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7495 18.639o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.7612 <17.304g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230511.4895 <161C (Masayuki Moriyama) 20230512.0230 <17.417g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230513.0160 <17.322g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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