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December 2022

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[vsnet-campaign-nl 378]V425 Cas slightly low state continues
by Taichi Kato 21 Dec '22

21 Dec '22

V425 Cas slightly low state continues YYYYMMDD(UT) mag observer 20221025.2360 15.005zg (ZTF Alert DC mag (Masci+ 2019)) 20221025.3422 15.211zr (ZTF Alert DC mag (Masci+ 2019)) 20221025.5939 152:cG (Yutaka Maeda) 20221027.2891 15.694zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.3089 15.848zg (ZTF Alert DC mag (Masci+ 2019)) 20221027.5885 153c (Yutaka Maeda) 20221028.5991 149:cG (Yutaka Maeda) 20221029.2455 15.224zr (ZTF Alert DC mag (Masci+ 2019)) 20221029.3285 15.586zg (ZTF Alert DC mag (Masci+ 2019)) 20221030.5891 148:cG (Yutaka Maeda) 20221102.6255 <147c (Yutaka Maeda) 20221103.5958 154:c (Yutaka Maeda) 20221104.6281 150:cG (Yutaka Maeda) 20221105.2279 14.708zg (ZTF Alert DC mag (Masci+ 2019)) 20221105.2878 15.162zr (ZTF Alert DC mag (Masci+ 2019)) 20221105.6236 151:c (Yutaka Maeda) 20221107.6267 148:c (Yutaka Maeda) 20221108.5655 149:c (Yutaka Maeda) 20221111.1386 15.657zr (ZTF Alert DC mag (Masci+ 2019)) 20221111.6967 153C (Masayuki Moriyama) 20221112.5616 15.56C (Seiichiro Kiyota) 20221112.5675 15.25V (Seiichiro Kiyota) 20221113.1431 15.331zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.1840 15.483zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.2074 15.717zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.2591 15.647zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.6226 153C (Masayuki Moriyama) 20221119.1624 15.714zr (ZTF Alert DC mag (Masci+ 2019)) 20221119.2826 15.446zg (ZTF Alert DC mag (Masci+ 2019)) 20221119.5533 15.67C (Seiichiro Kiyota) 20221119.5578 15.59V (Seiichiro Kiyota) 20221119.6926 154C (Masayuki Moriyama) 20221121.1618 15.790zg (ZTF Alert DC mag (Masci+ 2019)) 20221121.4704 15.47C (Seiichiro Kiyota) 20221121.5892 <157c (Yutaka Maeda) 20221123.1558 15.505zr (ZTF Alert DC mag (Masci+ 2019)) 20221123.1803 15.567zg (ZTF Alert DC mag (Masci+ 2019)) 20221123.5016 154:cG (Yutaka Maeda) 20221124.5144 151:c (Yutaka Maeda) 20221125.4717 15.32C (Seiichiro Kiyota) 20221126.5067 152c (Yutaka Maeda) 20221130.1188 15.770zg (ZTF Alert DC mag (Masci+ 2019)) 20221130.1621 16.010zr (ZTF Alert DC mag (Masci+ 2019)) 20221202.5047 145:cG (Yutaka Maeda) 20221206.4984 <150c (Yutaka Maeda) 20221207.5000 150:c (Yutaka Maeda) 20221208.4945 <155c (Yutaka Maeda) 20221209.1780 15.707zr (ZTF Alert DC mag (Masci+ 2019)) 20221209.2269 15.703zg (ZTF Alert DC mag (Masci+ 2019)) 20221209.5151 148:cG (Yutaka Maeda) 20221211.1826 15.600zr (ZTF Alert DC mag (Masci+ 2019)) 20221211.4663 <155c (Yutaka Maeda) 20221215.4999 149:cG (Yutaka Maeda) 20221215.6394 154C (Masayuki Moriyama) 20221218.6507 155C (Masayuki Moriyama)

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[vsnet-campaign-nl 377]Re: DDE 35: more likely a polar
by Taichi Kato 11 Dec '22

11 Dec '22

Re: DDE 35: more likely a polar > According to GAIA data, this object underwent high states > before 2018 several times. > https://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia16aoy/ Could rather be an active VY Scl star, like KR Aur dominated by low states. DDE 35 is currently still brightening.

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