- vsnet-campaign-dn - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-campaign-dn 16105] TCP J07363658+4151215: most likely helium WZ Sge-type dwarf nova
by Taichi Kato 05 Nov '21

05 Nov '21

TCP J07363658+4151215: most likely helium WZ Sge-type dwarf nova Kyoto U. team has reported observations. The data show early superhumps with an amplitudes of 0.05 mag. The period is 0.0280(2) d. This object is most likely a helium WZ Sge star. The SDSS color (very blue u-g=+0.27) is consistent.

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[vsnet-campaign-dn 16104] PV Per superoutburst
by Taichi Kato 04 Nov '21

04 Nov '21

PV Per superoutburst Known SU UMa star. YYYYMMDD(UT) mag observer 20211028.6856 <146c (Yutaka Maeda) 20211029.6982 <148c (Yutaka Maeda) 20211030.928 <152 (Gary Poyner) 20211031.6835 <163c (Yutaka Maeda) 20211101.6974 155:cG (Yutaka Maeda) 20211102.6710 151c (Yutaka Maeda) 20211103.2152 14.928zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16103] MGAB-V320 likely superoutburst
by Taichi Kato 04 Nov '21

04 Nov '21

MGAB-V320 likely superoutburst Type from ZTF data. Object with a short supercycle. YYYYMMDD(UT) mag observer 20211103.1168 15.884zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211103.1449 15.966zr (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16102] Gaia16bvm likely superoutburst
by Taichi Kato 04 Nov '21

04 Nov '21

Gaia16bvm likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20211103.1149 16.919zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16101] Gaia21efs further brightening
by Taichi Kato 03 Nov '21

03 Nov '21

Gaia21efs further brightening Tonny Vanmunster has reported further observations. The object further brightened to 12.6-12.7 mag on Oct. 31. There were short-period modulations and even a period of 0.054 d is suspected. More data are definitely needed to clarify the nature of this object.

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[vsnet-campaign-dn 16100] ASASSN-19wh possible superoutburst
by Taichi Kato 03 Nov '21

03 Nov '21

ASASSN-19wh possible superoutburst Type from ZTF data. Superoutburst + rebrightening in 2020 Nov.-Dec. YYYYMMDD(UT) mag observer 20211030.1531 16.496zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211102.2083 16.903zr (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16099] ASASSN-19acl outburst
by Taichi Kato 03 Nov '21

03 Nov '21

ASASSN-19acl outburst First outburst since 2019 Nov. SS Cyg star as inferred from the slow rise in 2019? YYYYMMDD(UT) mag observer 20211102.2489 15.119zr (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16098] ASASSN-17jb bright outburst
by Taichi Kato 03 Nov '21

03 Nov '21

ASASSN-17jb bright outburst Brightest outburst recored by ZTF. YYYYMMDD(UT) mag observer 20211030.1299 16.458zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211102.1938 16.628zr (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-campaign-dn 16097] ASASSN-21ui: new WZ Sge-type dwarf nova
by Taichi Kato 03 Nov '21

03 Nov '21

ASASSN-21ui: new WZ Sge-type dwarf nova Kyoto U. team and Tamas Tordai have reported observations. The object shows 0.10-mag double-wave early superhumps with a period of 0.0562(2) d.

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[vsnet-campaign-dn 16096] ASASSN-21ui
by Taichi Kato 02 Nov '21

02 Nov '21

ASASSN-21ui Fresh, large-amplitude outburst. ASASSN-21ui --- ------- 1:39:26.68 52:5:40 2021-11-1.3 14.45 SDSS DSS VIZIER ------- CV candidate, matches to SDSS g=22.5, g>18.4 on 2021-10-31.50, g=15.3 on 2021-11-01.15, g=14.7 on 2021-11-01.31. ASASSN-21ui 20211031.50 <184g ASN ASASSN-21ui 20211101.15 153g ASN ASASSN-21ui 20211101.31 147g ASN

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