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

[vsnet-outburst 31626] Outbursts 23/01/2026
by Rod Stubbings 24 Jan '26

24 Jan '26

Outbursts and selected activity. object YYMMDD(UT) mag code remarks CAROQ 260123.546 142 Stu.RASNZ active CMAHL 260123.504 118 Stu.RASNZ outburst ERILT 260123.482 153 Stu.RASNZ active ERIPS 260123.526 128 Stu.RASNZ outburst GEMUV 260123.515 153 Stu.RASNZ outburst GEMMV 260123.517 154 Stu.RASNZ outburst ORICN 260123.489 127 Stu.RASNZ active ORICZ 260123.492 136 Stu.RASNZ active ORIV1159 260123.487 144 Stu.RASNZ outburst PUPBX 260123.499 153 Stu.RASNZ active PUPCL 260123.501 143 Stu.RASNZ active VELCU 260123.533 105 Stu.RASNZ active VOLSY 260123.546 140 Stu.RASNZ active -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-outburst 31625] Recent 22/01/2026
by Rod Stubbings 24 Jan '26

24 Jan '26

Outbursts and activity. object YYMMDD(UT) mag code remarks APSV394 260122.620 143 Stu.RASNZ outburst ARAV793 260122.643 148 Stu.RASNZ outburst CNCGY 260122.589 136 Stu.RASNZ outburst CNCGY 260122.651 134 Stu.RASNZ rising LEOX 260122.628 129 Stu.RASNZ active LUPBR 260122.646 146 Stu.RASNZ active MENAD 260122.610 153 Stu.RASNZ active NORHP 260122.644 139 Stu.RASNZ outburst TRADV 260122.634 134 Stu.RASNZ active ASASSN-14DW 260122.593 152 Stu.RASNZ outburst -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-outburst 31624] Outbursts 22/01/2026
by Rod Stubbings 24 Jan '26

24 Jan '26

Outbursts and selected activity. object YYMMDD(UT) mag code remarks CAROQ 260122.506 140 Stu.RASNZ outburst CENV442 260122.560 129 Stu.RASNZ active CHAST 260122.512 143 Stu.RASNZ active ERILT 260122.473 153 Stu.RASNZ active HYIDR 260122.543 160 Stu.RASNZ outburst MUSDQ 260122.565 154 Stu.RASNZ active ORICN 260122.480 131 Stu.RASNZ active ORICZ 260122.483 132 Stu.RASNZ active VELCU 260122.500 106 Stu.RASNZ active VOLSY 260122.506 143 Stu.RASNZ outburst DDE 77 260122.548 140 Stu.RASNZ active -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-outburst 31623] Outbursts 20/01/2026
by Rod Stubbings 21 Jan '26

21 Jan '26

Outbursts and selected activity. object YYMMDD(UT) mag code remarks ARABF 260120.710 141 Stu.RASNZ outburst CENV442 260120.590 130 Stu.RASNZ active CENV803 260120.625 138 Stu.RASNZ outburst CHAST 260120.622 143 Stu.RASNZ active CRTTT 260120.633 147 Stu.RASNZ active ERILT 260120.478 154 Stu.RASNZ outburst LEOX 260120.642 128 Stu.RASNZ active LUPBR 260120.663 146 Stu.RASNZ outburst MENAD 260120.610 148 Stu.RASNZ outburst OCTDT 260120.653 130 Stu.RASNZ active ORICN 260120.485 141 Stu.RASNZ outburst ORICZ 260120.516 129 Stu.RASNZ active PUPBX 260120.486 146 Stu.RASNZ active PUPCL 260120.487 140 Stu.RASNZ active PUPHO 260120.499 142 Stu.RASNZ active TRADV 260120.656 128 Stu.RASNZ active VELCU 260120.465 112 Stu.RASNZ outburst ASASSN-19CT 260120.592 148 Stu.RASNZ active DDE 77 260120.606 139 Stu.RASNZ active MASTER OT J142023.47-485540 260120.660 137 Stu.RASNZ active -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-outburst 31622] TCPJ06571119-1724439: most likely a new WZ Sge-type dwarf nova
by Yusuke Tampo 20 Jan '26

20 Jan '26

TCPJ06571119-1724439: most likely a new WZ Sge-type dwarf nova Yuji Nakamura discovered TCPJ06571119-1724439 on 2026 01 18.5375 UTC at 14.2 mag. http://www.cbat.eps.harvard.edu/unconf/followups/J06571119-1724439.html I have observed TCPJ06571119-1724439 with the Lesedi telescope at the Sutherland observatory on 18 and 19 Jan. The light curve shows double-peaked modulations with a period of ~0.0550 d and an amplitude of ~0.08 mag. Thus TCPJ06571119-1724439 is most likely a new WZ Sge-type dwarf nova. Further observations are encouraged. Best regards, Yusuke -- ---------------------------------------------- South African Astronomical Observatory, Postdoc fellow Yusuke TAMPO / 反保雄介 EMAIL: tampo(a)kusastro.kyoto-u.ac.jp ALT. EMAIL: yusuke(a)saao.ac.za ----------------------------------------------

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[vsnet-outburst 31621] Outbursts 18/01/2026
by Rod Stubbings 19 Jan '26

19 Jan '26

Outbursts and selected activity. object YYMMDD(UT) mag code remarks CENV342 260118.565 157 Stu.RASNZ active CENV442 260118.568 130 Stu.RASNZ active CHAST 260118.559 143 Stu.RASNZ active CNCSY 260118.602 128 Stu.RASNZ active CRTTT 260118.590 143 Stu.RASNZ active HYIWX 260118.503 147 Stu.RASNZ active LEOX 260118.592 126 Stu.RASNZ active OCTDT 260118.617 130 Stu.RASNZ outburst ORICZ 260118.492 125 Stu.RASNZ active PUPUY 260118.495 148 Stu.RASNZ active PUPBX 260118.472 153 Stu.RASNZ outburst PUPCL 260118.474 138 Stu.RASNZ active PUPHO 260118.497 138 Stu.RASNZ outburst TRADV 260118.578 130 Stu.RASNZ outburst ASASSN-19CT 260118.571 146 Stu.RASNZ active NSV 35 260118.589 152 Stu.RASNZ active SSS 100511:061754-362655 260118.633 155 Stu.RASNZ outburst MASTER OT J142023.47-485540 260118.615 128 Stu.RASNZ outburst -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-outburst 31620] Outbursts17/01/2025
by Rod Stubbings 18 Jan '26

18 Jan '26

Outbursts and selected activity. object YYMMDD(UT) mag code remarks CENV342 260117.529 156 Stu.RASNZ active CENV442 260117.545 129 Stu.RASNZ outburst HYAAG 260117.527 156 Stu.RASNZ outburst HYIWX 260117.534 130 Stu.RASNZ outburst ORICZ 260117.509 122 Stu.RASNZ active PUPUY 260117.496 148 Stu.RASNZ active ASASSN-19CT 260117.549 148 Stu.RASNZ active NSV 35 260117.538 152 Stu.RASNZ active DDE 77 260117.536 136 Stu.RASNZ outburst -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-outburst 31619] Activity (2026-01-16)
by Hiroyuki Maehara 16 Jan '26

16 Jan '26

Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code AURSS 20260116.572 109 Mhh.VSOLJ CAMZ 20260116.582 113 Mhh.VSOLJ CMAHL 20260116.554 133 Mhh.VSOLJ ORICZ 20260116.552 136 Mhh.VSOLJ outburst Observer: Hiroyuki Maehara (Okayama, Japan) Instruments: 30cmL

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[vsnet-outburst 31617] ASASSN-26ad; new SU UMa-type dwarf nova, likely a WZ Sge star
by Yusuke Tampo 15 Jan '26

15 Jan '26

ASASSN-26ad; new SU UMa-type dwarf nova, likely a WZ Sge star ASASSN-26ad was discovered by ASASSN on 2026-01-04.1 UT at 14.57 mag. The outburst amplitude is ~8.3 mag according to the VSX. https://vsx.aavso.org/index.php?view=detail.top&oid=10868368 Sjoerd Dufoer, Josch Hambsch, and Itoh-san have reported the time-resolved observations. Although there were some modulations from the early outburst, clear single-peaked superhumps have appeared after 2026-01-10. The mean superhump period is ~0.0618 d. Thus, ASASSN-26ad is a new SU UMa-type dwarf nova. Given its large outburst amplitude and long waiting time before the appearance of positive superhumps, ASASSN-26ad is likely a WZ Sge star. Best regards, Yusuke -- ---------------------------------------------- South African Astronomical Observatory, Postdoc fellow Yusuke TAMPO / 反保雄介 EMAIL: tampo(a)kusastro.kyoto-u.ac.jp ALT. EMAIL: yusuke(a)saao.ac.za ----------------------------------------------

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[vsnet-outburst 31616] Outbursts 12/01/2026
by Rod Stubbings 13 Jan '26

13 Jan '26

Outbursts and selected activity. object YYMMDD(UT) mag code remarks CAROQ 260112.560 146 Stu.RASNZ active CHAST 260112.556 143 Stu.RASNZ active CMADM 260112.499 145 Stu.RASNZ active CMAHL 260112.498 119 Stu.RASNZ active CRTTT 260112.604 145 Stu.RASNZ outburst ERIPS 260112.537 128 Stu.RASNZ outburst HYIVW 260112.546 102 Stu.RASNZ outburst LEOX 260112.610 148 Stu.RASNZ outburst ORICN 260112.496 129 Stu.RASNZ active ORIV1159 260112.494 137 Stu.RASNZ active PUPUY 260112.509 140 Stu.RASNZ active PUPBV 260112.506 133 Stu.RASNZ active PUPCL 260112.507 143 Stu.RASNZ active PUPHO 260112.511 143 Stu.RASNZ active ASASSN-15CL 260112.510 155 Stu.RASNZ outburst ASASSN-19CT 260112.601 154 Stu.RASNZ active -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Honorary Associate member Astronomical Society of Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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