May 2022 - vsnet-campaign-dn - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-campaign-dn 16182] V485 Cen superoutburst

by Taichi Kato

V485 Cen superoutburst EI Psc-type object. YYYYMMDD(UT) mag observer 20211218.2709 <168C (Masao Funada) 20211225.3367 14.18C (Masao Funada) 20211227.642 144 (Rod Stubbings) 20211228.658 145 (Rod Stubbings) 20211229.658 145 (Rod Stubbings)

11 months, 3 weeks

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[vsnet-campaign-dn 16426] ASASSN-22hc

by Taichi Kato

ASASSN-22hc ASASSN-22hc --- ------- 8:20:29.11 -20:14:15.6 2022-05-22.03 13.71 SDSS DSS VIZIER ------- CV candidate, matches to PS1 g=20.8, g>17.6 on 2022-05-20.03, g=14.0 on 2022-05-22.03, g=14.0 on 2022-05-23.02. ASASSN-22hc 20220520.03 <176g ASN ASASSN-22hc 20220522.03 140g ASN ASASSN-22hc 20220523.02 140g ASN

1 year

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[vsnet-campaign-dn 16425] ASASSN-14bp likely superoutburst

by Taichi Kato

ASASSN-14bp likely superoutburst YYYYMMDD(UT) mag observer 20220503.4812 <140c (Yutaka Maeda) 20220504.6941 <147C (Masayuki Moriyama) 20220507.4672 <148c (Yutaka Maeda) 20220523.594 143 (Rod Stubbings)

1 year

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[vsnet-campaign-dn 16424] XM116HT: ordinary superhumps

by Taichi Kato

XM116HT: ordinary superhumps According to observations by Tamas Tordai on May 22-23, ordinary superhumps were present. They were not apparent a day before.

1 year

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[vsnet-campaign-dn 16423] SS UMi superoutburst

by Taichi Kato

SS UMi superoutburst YYYYMMDD(UT) mag observer 20220517.5589 <151c (Yutaka Maeda) 20220517.6916 <167C (Masayuki Moriyama) 20220518.5611 <153c (Yutaka Maeda) 20220521.040 144 (Gary Poyner) 20220521.5408 139cG (Yutaka Maeda) 20220521.5408 139cG (Yutaka Maeda) 20220521.637 142C (Mitsutaka Hiraga)

1 year

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[vsnet-campaign-dn 16422] ASASSN-13at superoutburst

by Taichi Kato

ASASSN-13at superoutburst YYYYMMDD(UT) mag observer 20220511.3625 20.186zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220511.4506 19.763zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220514.7069 <158c (Yutaka Maeda) 20220517.6892 <160c (Yutaka Maeda) 20220517.7838 <167C (Masayuki Moriyama) 20220518.6355 141C (Masayuki Moriyama) 20220518.6895 140cG (Yutaka Maeda) 20220518.6896 140cG (Yutaka Maeda) 20220520.1740 14.07C (Masao Funada) 20220521.6647 140cG (Yutaka Maeda)

1 year

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[vsnet-campaign-dn 16421] ASASSN-20pv: still bright (AM CVn)

by Taichi Kato

ASASSN-20pv: still bright (AM CVn) YYYYMMDD(UT) mag observer 20220422.0026 14.835g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220422.0038 15.042g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220422.2409 15.492g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220422.2422 15.322g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220422.2436 15.395g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220422.606 143 (Rod Stubbings) 20220423.2442 15.314g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220423.2455 15.455g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220423.2468 15.419g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220424.2435 15.497g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220424.592 144 (Rod Stubbings) 20220425.376 154 (Rod Stubbings) 20220425.592 143 (Rod Stubbings) 20220425.624 144 (Rod Stubbings) 20220428.560 143 (Rod Stubbings) 20220502.610 143 (Rod Stubbings) 20220502.682 143 (Rod Stubbings) 20220503.591 143 (Rod Stubbings) 20220505.562 143 (Rod Stubbings) 20220505.635 144 (Rod Stubbings) 20220505.701 144 (Rod Stubbings) 20220509.599 144 (Rod Stubbings) 20220520.571 144 (Rod Stubbings) 20220521.633 144 (Rod Stubbings) 20220522.553 144 (Rod Stubbings)

1 year

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[vsnet-campaign-dn 16420] ASASSN-22gx: new SU UMa-type dwarf nova

by Taichi Kato

ASASSN-22gx: new SU UMa-type dwarf nova According to observations by Berto Monard on May 21-22, superhumps with a period of 0.0584(2) d and an amplitude of 0.19 mag were detected. Earlier observations on May 14 and 15 by Josch Hambsch did not detected apparent modulations.

1 year

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[vsnet-campaign-dn 16419] MASTER OT J172758.09+380021.5 superoutburst

by Taichi Kato

MASTER OT J172758.09+380021.5 superoutburst YYYYMMDD(UT) mag observer 20220507.612 <178C (Mitsutaka Hiraga) 20220507.6432 <161c (Yutaka Maeda) 20220509.3896 18.118zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220509.4527 18.176zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220509.6266 <155C (Masayuki Moriyama) 20220511.4122 18.337zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220513.3880 16.832zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220513.4548 18.477zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220514.6343 142:cG (Yutaka Maeda) 20220515.3313 14.213zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220515.3815 14.397zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220517.048 14.27 (Gary Poyner) 20220517.0490 14.42C (Masao Funada) 20220517.6166 143cG (Yutaka Maeda) 20220517.6166 143cG (Yutaka Maeda)

1 year

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[vsnet-campaign-dn 16418] CM Del fading

by Taichi Kato

CM Del fading Moriyama-san has pointed out that CM Del is very faint. Looks like an event similar to a dip in IW And stars. YYYYMMDD(UT) mag observer 20220502.4547 13.911zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220503.7520 135C (Masayuki Moriyama) 20220507.8237 137C (Masayuki Moriyama) 20220508.4333 14.126zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220508.4722 14.090zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220509.8141 140:C (Masayuki Moriyama) 20220511.4049 15.339zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220511.4625 15.493zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220513.4055 16.369zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220517.8095 15.42C (Masayuki Moriyama)

1 year

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2023

2022

2021

vsnet-campaign-dn May 2022