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[vsnet-campaign-dn 17087] NSV03626: Z Cam star
by Taichi Kato 27 Mar '23

27 Mar '23

NSV03626: Z Cam star From ATLAS data. Currently in low-amplitude state (around 15.5). 073143.878 +011715.11 (2000.0) Gaia_DR2_3134745107203068928 plx=1.362(0.069) dismod=9.3 pmra=-10.134(0.123) pmdec=-1.404(0.115) G=16.518 BP=16.770 RP=15.967 073143.878 +011715.10 (2000.0) Gaia_EDR3_3134745107203068928 plx=1.309(0.061) dismod=9.4 pmra=-10.095(0.056) pmdec=-1.385(0.049) G=16.480 BP=16.733 RP=15.932

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[vsnet-campaign-dn 17086] NSV04734: bright dwarf nova
by Taichi Kato 27 Mar '23

27 Mar '23

NSV04734: bright dwarf nova From ATLAS data. Suntype unknown (SS Cyg? but the data are insufficient). Outburst in this March. YYYYMMDD(UT) mag observer 20230305.2120 16.042o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230305.2152 16.099o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230305.2225 15.955o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230305.2571 15.963o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.1595 15.054o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.1869 14.983o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.1897 15.008o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.2054 14.957o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9411 14.066o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9443 14.867o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9495 13.989o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9659 14.120o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9668 14.063o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9720 14.149o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9752 13.975o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.0011 15.571o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9208 14.298o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9239 14.279o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9294 14.270o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9334 14.271o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9366 14.271o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9398 14.312o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9420 14.269o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.9520 14.266o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230313.1821 14.666o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230313.1853 14.663o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230313.1911 14.661o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230313.2016 14.655o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230317.1721 15.713o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230317.1752 15.797o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230317.1807 15.797o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230317.1912 15.767o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.8292 16.174c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.8647 16.062c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.8837 16.083c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.8870 16.112c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230321.1827 15.832o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230321.1859 15.902o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230321.1922 15.861o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230321.2175 15.789o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230325.1233 15.836o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230325.1565 15.872o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230325.1598 15.760o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230325.1653 15.776o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 100527.5 -454241 (2000.0) ASASSN-VJ100527.57-454241.3 VAR 15.29(1.69) P=305.8166148 100527.566 -454241.39 (2000.0) Gaia_DR2_5414549894369796096 plx=1.137(0.041) dismod=9.7 pmra=-0.122(0.065) pmdec=-4.474(0.064) G=16.145 BP=16.638 RP=15.438 100527.566 -454241.40 (2000.0) Gaia_EDR3_5414549894369796096 plx=1.102(0.033) dismod=9.8 pmra=-0.119(0.035) pmdec=-4.535(0.032) G=16.106 BP=16.600 RP=15.406

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[vsnet-campaign-dn 17085] NSV03326: bright likely SU UMa star with superoutburst in this Feb.
by Taichi Kato 27 Mar '23

27 Mar '23

NSV03326: bright likely SU UMa star with superoutburst in this Feb. From ATLAS data. Superhumps were suspected. Supercyle about 85 d. Bright (13.2-17.5) and continued observations are desired. 065852.601 -462600.70 (2000.0) Gaia_DR2_5557692908000138496 plx=1.911(0.110) dismod=8.6 pmra=-1.977(0.293) pmdec=28.689(0.290) G=17.625 BP=17.810 RP=17.014 065852.601 -462600.69 (2000.0) Gaia_EDR3_5557692908000138496 plx=1.870(0.052) dismod=8.6 pmra=-1.633(0.048) pmdec=28.330(0.070) G=17.647 BP=17.848 RP=16.940

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[vsnet-campaign-dn 17084] NSV06517: bright likely SU UMa star with superoutburst in this Feb.
by Taichi Kato 27 Mar '23

27 Mar '23

NSV06517: bright likely SU UMa star with superoutburst in this Feb. From ATLAS data. Superhumps were suspected. (Peak to plateau data only; currently at 19.5) YYYYMMDD(UT) mag observer 20230203.3072 15.089o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.3104 15.078o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.3162 15.059o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.3278 15.026o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0566 13.523o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0602 13.510o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0665 13.502o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0788 13.499o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.0741 13.408o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.0794 13.414o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.0826 13.410o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.0934 13.404o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.3081 13.561o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.3170 13.563o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.3202 13.554o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.3260 13.580o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230207.3226 13.741o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230207.3253 13.711o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230207.3308 13.722o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230207.3361 13.720o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230211.1029 13.985o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230211.1128 14.050o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230211.1160 14.099o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230211.1329 14.165o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.2973 14.264o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.2988 14.272o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.3002 14.288o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.3006 14.288o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.3030 14.316o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.3034 14.333o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.3258 14.346o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230212.3262 14.349o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230215.0382 14.685o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230215.0400 14.683o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230215.0573 14.718o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230215.0605 14.703o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.2930 14.719o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.2959 14.777o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.2988 14.736o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.3010 14.773o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.3042 14.767o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.3046 14.761o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.3349 14.689o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.3403 14.612o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230216.3911 14.728o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.2920 15.139c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.2938 15.122c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.2978 15.112c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.3053 15.093c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-campaign-dn 17083] NSV05909: appears to be an ER UMa star
by Taichi Kato 27 Mar '23

27 Mar '23

NSV05909: appears to be an ER UMa star From ATLAS data. The shortest interval between likely superoutbursts was 41 d. There was some sign of superhumps during the 2023 Feb. one. The next one is expected in April and observations are encouraged. Bright (15-17.5) object. 124409.5 -481332 (2000.0) ASASSN-VJ124409.55-481332.6 VAR 16.2(1.86) P=29.0231976 124409.414 -481332.99 (2000.0) Gaia_DR2_6128036660505513728 plx=1.335(0.132) dismod=9.4 pmra=-4.487(0.128) pmdec=-4.292(0.177) G=16.418 BP=16.394 RP=16.072 124409.414 -481332.99 (2000.0) Gaia_EDR3_6128036660505513728 plx=1.096(0.047) dismod=9.8 pmra=-4.450(0.046) pmdec=-4.663(0.041) G=16.185 BP=16.255 RP=15.948

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[vsnet-campaign-dn 17082] ASASSN-19gp outburst?
by Taichi Kato 27 Mar '23

27 Mar '23

ASASSN-19gp outburst? YYYYMMDD(UT) mag observer 20230311.3793 15.22cG (Masao Funada) 20230312.3933 15.18cG (Masao Funada) 20230325.3442 15.39cG (Masao Funada)

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[vsnet-campaign-dn 17081] ASASSN-15ku: new SU UMa-type dwarf nova
by Taichi Kato 26 Mar '23

26 Mar '23

ASASSN-15ku: new SU UMa-type dwarf nova Tamas Tordai has reported observations. The object shows 0.2-mag superhumps with a period of 0.07 d.

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[vsnet-campaign-dn 17080] HH Cnc: long outburst mimicking a superoutburst?
by Taichi Kato 26 Mar '23

26 Mar '23

HH Cnc: long outburst mimicking a superoutburst? Porb=0.1846 d. 2022 Dec.-2023 Jan. bright outburst. Possible rebrightening. YYYYMMDD(UT) mag observer 20230125.5325 17.528o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.5590 17.687o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.5620 17.654o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.5896 17.572o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.6320 17.940o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.6352 17.792o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.6412 17.794o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.6511 17.750o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.6388 152:cG (Yutaka Maeda) 20230202.6391 <153c (Yutaka Maeda) No definite superhumps were recorded (Itoh-san and Josch Hambsch).

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[vsnet-campaign-dn 17079] ASASSN-23bx: looks likely a superoutburst
by Taichi Kato 26 Mar '23

26 Mar '23

ASASSN-23bx: looks likely a superoutburst YYYYMMDD(UT) mag observer 20230317.2937 14.993zr (ZTF Alert DC mag (Masci+ 2019)) 20230318.9279 15.038c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.9310 15.077c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.9366 15.065c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.9466 15.251c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.1730 15.681o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.1823 15.677o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.1856 15.663o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.1974 15.653o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9645 15.838c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9697 15.944c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9729 15.943c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9986 15.864c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1076 16.067o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1109 16.138o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1141 16.199o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1195 16.122o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-campaign-dn 17078] ASASSN-23bw looks likely a superoutburst
by Taichi Kato 26 Mar '23

26 Mar '23

ASASSN-23bw: looks likely a superoutburst YYYYMMDD(UT) mag observer 20230312.3198 15.207o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3230 15.204o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3283 15.245o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3400 15.238o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230314.9467 15.731o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230314.9531 15.765o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230314.9590 15.734o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.1860 15.700o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.1892 15.705o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.1933 15.751o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.2149 15.905o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.9750 16.065c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.0106 15.955c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.0391 16.104c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230319.0428 15.965c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.2854 16.240o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.2906 16.290o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.2940 16.381o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230320.3152 16.413o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9459 16.459c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9482 16.571c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9503 16.575c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9507 16.510c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9531 16.527c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230322.9584 16.625c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1939 16.888o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1962 16.864o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230324.1989 16.924o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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