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[vsnet-campaign-dn 16842] ASASSN-22oh: no strong evidence for early superhumps
by Taichi Kato 11 Jan '23

11 Jan '23

ASASSN-22oh: no strong evidence for early superhumps Josch Hambsch reported observations on two nights. No apparent (>0.05 mag) early superhumps were present, but would be detected by higher time-resolution observations.

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[vsnet-campaign-dn 16841] PNVJ06245297+0208207: further fading
by Taichi Kato 11 Jan '23

11 Jan '23

PNVJ06245297+0208207: further fading This helium dwarf nova faded to 16 mag on Jan. 10 based on observations by Josch Hambsch. It is expected to brighten again and show superhumps. Please continue your observations.

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[vsnet-campaign-dn 16840] LP Vul: IW And star
by Taichi Kato 11 Jan '23

11 Jan '23

LP Vul: IW And star Using ATLAS forced photometry (Tonry et al. 2018; Shingles et al. 2021), I found that this object typical IW And behavior in 2022 June-Sep.

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[vsnet-campaign-dn 16839] Gaia DR3 6134636930031090560 = ASASSN-23ab
by Taichi Kato 11 Jan '23

11 Jan '23

Gaia DR3 6134636930031090560 = ASASSN-23ab Bright outburst but likely an SS Cyg star. ASASSN-23ab --- ------- 13:8:59.07 -45:8:29.4 2023-01-5.28 11.72 SDSS DSS VIZIER ------- CV candidate, matches to GAIA DR3 G=16.4, g>18.0 on 2023-01-03.07, g=12.1 on 2023-01-05.28, g=13.5 on 2023-01-08.27, g=14.2 on 2023-01-09.11 Outburst in ASAS-3: YYYYMMDD(UT) mag observer 20080509.1397 <14.50V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20080511.1244 13.545V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20080513.1488 12.515V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20080515.1427 13.741V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20080517.1655 <14.50V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))

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[vsnet-campaign-dn 16838] ASASSN-14im outburst
by Taichi Kato 11 Jan '23

11 Jan '23

ASASSN-14im outburst Large-amplitude variation in quiescence in ZTF data. YYYYMMDD(UT) mag observer 20230107.6142 <150c (Yutaka Maeda) 20230108.5412 <156c (Yutaka Maeda) 20230108.578 <177C (Mitsutaka Hiraga) 20230108.6287 <163C (Masayuki Moriyama) 20230109.5699 152:c (Yutaka Maeda)

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[vsnet-campaign-dn 16837] KZ Gem outburst
by Taichi Kato 11 Jan '23

11 Jan '23

KZ Gem outburst (SS Cyg star?) YYYYMMDD(UT) mag observer 20230102.7140 <160c (Yutaka Maeda) 20230103.7017 <154c (Yutaka Maeda) 20230104.6969 <146c (Yutaka Maeda) 20230107.7661 <142c (Yutaka Maeda) 20230108.7213 146:c (Yutaka Maeda) 20230109.1496 14.40C (Masao Funada) 20230109.7621 146:c (Yutaka Maeda) 20230110.024 14.50C (Gary Poyner) 20230110.0237 14.41C (Masao Funada)

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[vsnet-campaign-dn 16836] SS UMi superoutburst
by Taichi Kato 11 Jan '23

11 Jan '23

SS UMi superoutburst YYYYMMDD(UT) mag observer 20230102.8283 <154c (Yutaka Maeda) 20230103.8162 <152c (Yutaka Maeda) 20230107.8855 136:cG (Yutaka Maeda) 20230108.728 146C (Mitsutaka Hiraga) 20230108.8059 136:c (Yutaka Maeda) 20230108.8059 136:c (Yutaka Maeda) 20230109.267 13.75C (Gary Poyner) 20230109.8620 139c (Yutaka Maeda)

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[vsnet-campaign-dn 16835] EW Hya: possible SU UMa
by Taichi Kato 10 Jan '23

10 Jan '23

EW Hya: possible SU UMa Based on ATLAS forced photometry (Tonry et al. 2018; Shingles et al. 2021), this object may be an SU UMa star. Precursor? + superoutburst in 2017 Mar. (also detected in ASAS-SN) and likely superoutburst in 2020 Apr.-May.

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[vsnet-campaign-dn 16834] MGAB-V233 superoutburst continues
by Taichi Kato 10 Jan '23

10 Jan '23

MGAB-V233 superoutburst continues (ER UMa star) Observations of superhumps are desired. YYYYMMDD(UT) mag observer 20221220.5642 <146C (Masayuki Moriyama) 20221225.5481 156C (Masayuki Moriyama) 20230102.5135 152C (Masayuki Moriyama) 20230108.4873 15.40C (Masayuki Moriyama)

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[vsnet-campaign-dn 16833] PNVJ06245297+0208207 rapid fading
by Taichi Kato 10 Jan '23

10 Jan '23

PNVJ06245297+0208207 rapid fading According to observations by Josch Hambsch, this object was rapidly fading on Jan. 9. The behavior is typical for an AM CVn-type outburst. Superhumps will soon appear.

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