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

[vsnet-newvar 8946] 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))

1 0

[vsnet-newvar 8945] 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))

1 0

[vsnet-newvar 8944] 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.

1 0

[vsnet-newvar 8943] 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

1 0

[vsnet-newvar 8942] SDSS J080303.90+251627.0 likely superoutburst
by Taichi Kato 02 Nov '21

02 Nov '21

SDSS J080303.90+251627.0 likely superoutburst YYYYMMDD(UT) mag observer 20211022.4013 19.935zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211023.8340 <160c (Yutaka Maeda) 20211024.4928 18.700zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211025.8186 <160c (Yutaka Maeda) 20211026.8147 <147c (Yutaka Maeda) 20211027.8322 <151c (Yutaka Maeda) 20211028.8188 155:cG (Yutaka Maeda) 20211029.8513 <132c (Yutaka Maeda) 20211031.5075 15.834zr (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8941] ZTF17aaaobyl likely superoutburst
by Taichi Kato 02 Nov '21

02 Nov '21

ZTF17aaaobyl likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20211031.4967 17.920zr (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8940] CRTS J050124.1+203818 superoutburst
by Taichi Kato 02 Nov '21

02 Nov '21

CRTS J050124.1+203818 superoutburst YYYYMMDD(UT) mag observer 20211023.7290 <153c (Yutaka Maeda) 20211025.7137 154:c (Yutaka Maeda) 20211026.7107 <143c (Yutaka Maeda) 20211027.7281 154:c (Yutaka Maeda) 20211028.7142 149:cG (Yutaka Maeda) 20211029.7277 <147c (Yutaka Maeda) 20211030.4550 15.330zg (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8939] ASASSN-19ar bright outburst
by Taichi Kato 02 Nov '21

02 Nov '21

ASASSN-19ar bright outburst YYYYMMDD(UT) mag observer 20211030.3503 15.599zr (Zwicky Transient Facility Lasair (Masci+ 2019)) Long outburst in ZTF data in 2018 Sep.-Oct. (superoutburst?) The current outburst is as bright.

1 0

[vsnet-newvar 8938] ASASSN-15cu outburst
by Taichi Kato 02 Nov '21

02 Nov '21

ASASSN-15cu outburst UG+E. Subtype not determined yet. Relatively bright outburst. YYYYMMDD(UT) mag observer 20210915.4985 20.357zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211011.5028 18.842zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211030.4700 15.760zg (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8937] ASASSN-21tq: likely superhumps
by Taichi Kato 01 Nov '21

01 Nov '21

ASASSN-21tq: likely superhumps Itoh-san, Kiyota-san, Berto Monard and Josch Hambsch have reported observations. The most recent data (since Oct. 28) seem to show superhumps with a period of 0.0588(1) d and an amplitude of 0.10 mag. The data were not in very good quality (weather condition) and further data are needed for confirmation.

1 0

2025

2024

2023

2022

2021

vsnet-newvar