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

[vsnet-newvar 10020] ZTF18aaxpgxp: deeply eclipsing polar
by Taichi Kato 24 Apr '23

24 Apr '23

ZTF18aaxpgxp: deeply eclipsing polar From ZTF data. Porb=0.0642228(1) d. Eclipse 1.7 mag. Two maxima per cycle.

1 0

[vsnet-newvar 10019] CRTS J121119.1-083957 superoutburst
by Taichi Kato 23 Apr '23

23 Apr '23

CRTS J121119.1-083957 superoutburst Tonny Vanmunster detected superhumps. Period about 0.087(1) d and amplitude 0.19 mag.

1 0

[vsnet-newvar 10018] TCPJ12363806+0213281 ordinary superhumps
by Taichi Kato 23 Apr '23

23 Apr '23

TCPJ12363806+0213281 ordinary superhumps According to the latest observations by Josch Hambsch on Apr. 22, ordinary superhumps have appeared.

1 0

[vsnet-newvar 10017] CRTSJ105550.1+095621 long bright outburst
by Taichi Kato 23 Apr '23

23 Apr '23

CRTSJ105550.1+095621 long bright outburst Probably SS Cyg, but might be worth visiting for time-resolved photometry (could be a borderline SS Cyg/SU UMa). YYYYMMDD(UT) mag observer 20230414.1158 17.824c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1190 17.993c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1253 18.302c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1351 18.270c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.6262 <152c (Yutaka Maeda) 20230415.8710 17.045o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.8744 17.140o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.8795 17.066o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.8933 17.041o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.5474 144cG (Yutaka Maeda) 20230416.5474 144cG (Yutaka Maeda) 20230416.5588 143c (Tadashi Kojima) 20230417.1113 14.225c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1145 14.184c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1218 14.239c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1338 14.252c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.8403 14.352o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.8408 14.399o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.8649 14.294o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230421.5835 141cG (Yutaka Maeda) 20230421.5835 141cG (Yutaka Maeda) 20230422.5617 141cG (Yutaka Maeda)

1 0

[vsnet-newvar 10016] ATLAS23dmk: most likely WZ Sge, still showing superhumps now?
by Taichi Kato 23 Apr '23

23 Apr '23

ATLAS23dmk: most likely WZ Sge, still showing superhumps now? The light curve resembles a WZ Sge star. The spectrum excludes a nova (also with a similar light curve). This object may still be in a late phase of the plateau and may be still showing superhumps (still less than 50 d after the peak). YYYYMMDD(UT) mag observer 20230312.2850 14.896o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.2894 14.886o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.2949 14.902o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.2967 14.934o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3009 14.962o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3072 14.959o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3077 14.973o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3178 14.997o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230313.4554 15.75C (Masayuki Moriyama) 20230314.5085 16.22C (Masayuki Moriyama) 20230314.5103 15.94B (Masayuki Moriyama) 20230314.5134 15.74Rc (Masayuki Moriyama) 20230314.5136 <15.04Ic (Masayuki Moriyama) 20230314.5146 15.97V (Masayuki Moriyama) 20230315.6207 16.48C (Masayuki Moriyama) 20230315.6256 15.72B (Masayuki Moriyama) 20230315.6301 16.19V (Masayuki Moriyama) 20230316.3178 16.310o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3214 16.401o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3313 16.487o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3380 16.469o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.4729 16.60C (Masayuki Moriyama) 20230319.5440 167:C (Masayuki Moriyama) 20230326.4765 <169C (Masayuki Moriyama) 20230328.2353 17.616o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.2396 17.624o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.2448 17.504o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.2548 17.539o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230331.4957 173C (Masayuki Moriyama) 20230401.6107 <160C (Masayuki Moriyama) 20230410.2483 18.187o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.2516 18.149o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.2688 17.944o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.2943 18.071o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2411 18.058c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2472 18.273c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2500 18.127c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2602 18.325c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.2400 18.319c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.2439 18.245c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.2491 18.136c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.2594 18.283c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.2418 18.320c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.2485 18.244c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.2534 18.362c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.2637 18.332c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230422.2362 18.746c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230422.2394 18.312c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230422.2470 18.424c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230422.2638 18.500c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

1 0

[vsnet-newvar 10015] Gaia DR3 4630500071128655360 = Gaia23bpl: polar
by Taichi Kato 23 Apr '23

23 Apr '23

Gaia DR3 4630500071128655360 = Gaia23bpl: polar http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bpl/ Apparently high and low states in Gaia data. Porb=0.0642407(2) d from ATLAS data. Two maxima per period.

1 0

[vsnet-newvar 10014] CRTS J121119.1-083957 likely superoutburst
by Taichi Kato 21 Apr '23

21 Apr '23

CRTS J121119.1-083957 likely superoutburst YYYYMMDD(UT) mag observer 20230411.1860 18.616o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.2191 18.587o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.2356 18.692o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.2607 18.447o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.2861 18.280zr (ZTF Alert DC mag (Masci+ 2019)) 20230412.2157 18.190o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2189 18.122o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2244 18.248o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.2481 17.637o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1600 14.422c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1641 14.426c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1692 14.400c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.1812 14.392c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.9187 14.611o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.9220 14.606o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.9272 14.647o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.9372 14.785o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1494 14.671c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1549 14.590c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1597 14.537c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.1696 14.444c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.9028 15.010o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.9058 14.949o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.9116 15.086o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230419.0802 149cG (Masao Funada) 20230420.1425 14.915c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230420.1494 14.980c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230420.1531 14.994c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

1 0

[vsnet-newvar 10013] PS16fbj: unusual superoutbursting object with dip
by Taichi Kato 21 Apr '23

21 Apr '23

PS16fbj: unusual superoutbursting object with dip In "rebightening" phase after dip. The supercycle of 1 yr is too short for a WZ Sge star. Object similar to MASTER OT J055845.55+391533.4 (see arXiv:2304.07695 = VSOLJ Variable Star Bulletin No. 113). YYYYMMDD(UT) mag observer 20230322.7705 15.345c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.7734 15.353c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.7891 15.328c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.0194 15.765o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.0222 15.766o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.0275 15.775o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.0377 15.776o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230326.7806 16.097o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230326.7841 16.067o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230326.7899 16.082o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230326.8011 16.014o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.0430 16.101o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.0462 16.156o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.0528 16.140o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230328.0668 16.267o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230330.7642 16.518o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230330.7670 16.589o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230330.7721 16.577o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230330.7850 16.511o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230401.7646 16.772o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230401.7681 16.787o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230401.7739 16.750o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230401.7837 16.809o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230402.9960 17.532o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230402.9992 17.775o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230403.0045 17.689o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230403.0149 17.689o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.0750 17.189o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.0780 17.112o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.0948 17.313o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.1071 17.076o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.7545 16.933o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.7575 16.943o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.7646 16.983o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.7747 17.013o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230409.0481 16.960o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230409.0509 17.060o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230409.0562 17.045o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230409.0660 17.000o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.7385 17.243o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.7417 17.285o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.7475 17.319o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.7582 17.139o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.0182 17.094c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.0220 17.132c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.0286 17.174c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.0396 17.126c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

1 0

[vsnet-newvar 10012] CRTS J121119.1-083957 bright outburst
by Taichi Kato 21 Apr '23

21 Apr '23

CRTS J121119.1-083957 bright outburst (SU UMa candidate) YYYYMMDD(UT) mag observer 20230328.2916 18.639zg (ZTF Alert DC mag (Masci+ 2019)) 20230328.3140 18.081zr (ZTF Alert DC mag (Masci+ 2019)) 20230409.3363 17.964zr (ZTF Alert DC mag (Masci+ 2019)) 20230411.2861 18.280zr (ZTF Alert DC mag (Masci+ 2019)) 20230419.0802 149cG (Masao Funada)

1 0

[vsnet-newvar 10011] SDSS J093249.57+472523.0 faint but superoutburst
by Taichi Kato 20 Apr '23

20 Apr '23

SDSS J093249.57+472523.0 faint but superoutburst (UGSU+E) YYYYMMDD(UT) mag observer 20230408.567 <175C (Mitsutaka Hiraga) 20230409.1977 16.938zr (ZTF Alert DC mag (Masci+ 2019)) 20230409.3051 17.166zg (ZTF Alert DC mag (Masci+ 2019)) 20230409.3061 17.129zg (ZTF Alert DC mag (Masci+ 2019)) 20230409.5627 <166c (Yutaka Maeda) 20230410.3675 16.604o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3725 16.769o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3753 16.819o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3931 17.165o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230411.1866 16.948zg (ZTF Alert DC mag (Masci+ 2019)) 20230411.1876 17.002zg (ZTF Alert DC mag (Masci+ 2019)) 20230411.2489 17.405zr (ZTF Alert DC mag (Masci+ 2019)) 20230411.2493 17.353zr (ZTF Alert DC mag (Masci+ 2019)) 20230412.3249 17.558c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.3298 17.562c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.3352 17.561c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230412.3455 17.910c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3431 17.714c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3486 17.680c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3715 17.524c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3720 17.658c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3782 17.786c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3300 17.735c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3329 17.547c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3385 17.633c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3423 17.372c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3455 17.533c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3511 18.314c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3520 18.776c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230416.3627 17.679c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230417.5467 <164c (Yutaka Maeda) 20230418.3152 17.846c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.3180 17.722c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230418.3361 17.734c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

1 0