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

[vsnet-campaign-nl 385]VY Scl fading
by Taichi Kato 26 Jul '23

26 Jul '23

VY Scl fading As pointed out by Rod Stubbings. YYYYMMDD(UT) mag observer 20230614.4047 13.381g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230616.2739 13.649g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230617.3584 13.664g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230619.2794 13.115g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230623.0134 13.247g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230624.0234 13.387g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230625.2558 13.569g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230626.2966 13.750g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230629.2510 13.650g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230630.4389 14.046g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230702.2937 13.475g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230703.3364 13.478g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230705.2270 13.728g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230708.4395 13.474g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230711.5528 141 (Rod Stubbings) 20230712.5667 140 (Rod Stubbings) 20230715.6410 144 (Rod Stubbings) 20230716.7431 141 (Rod Stubbings) 20230717.5549 144 (Rod Stubbings) 20230725.505 <153 (Rod Stubbings)

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[vsnet-campaign-nl 384]V1315 Aql: low state
by Taichi Kato 17 May '23

17 May '23

V1315 Aql: low state First time since the discovery? YYYYMMDD(UT) mag observer 20230404.3761 15.710o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230404.3799 15.561g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230404.3812 15.669o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230404.4021 15.810o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230404.4091 18.684o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3337 15.822o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3374 15.832o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3434 15.783o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.3531 16.010o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6187 15.712o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6225 15.858o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6292 15.640o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230405.6356 15.672o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.1448 16.230g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230408.3470 16.307o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.3502 16.438o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.3557 16.441o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.3677 16.447o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.4951 17.476zg (ZTF Alert DC mag (Masci+ 2019)) 20230410.3144 16.017g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230410.4830 16.962zg (ZTF Alert DC mag (Masci+ 2019)) 20230410.5350 <16.939g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230411.3248 16.752o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3467 16.466o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3499 16.635o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3504 16.598o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3540 16.480o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3555 16.447o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3595 16.503o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.3707 16.595o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3696 17.235o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3728 17.364o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3774 17.212o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.3913 17.041o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.4199 16.946o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0655 17.560o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0664 17.479o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0696 17.567o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0701 17.591o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.0802 17.648o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.1050 18.062o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.1069 17.831o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.1170 17.555o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.3600 16.537g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230417.3268 17.267c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.3304 17.089c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.3367 17.154c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.3745 18.282c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.3037 16.643g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230419.1348 17.731o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1382 17.658o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1444 17.585o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1559 17.736o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1675 17.629o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.3823 16.602g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230420.3131 17.263c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.3163 17.375c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.3218 17.408c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.4482 17.224zg (ZTF Alert DC mag (Masci+ 2019)) 20230421.3900 16.916g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230422.4440 17.381zg (ZTF Alert DC mag (Masci+ 2019)) 20230423.2823 16.462g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230424.4802 17.161zg (ZTF Alert DC mag (Masci+ 2019)) 20230425.4659 <17.130g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230426.4260 16.414zg (ZTF Alert DC mag (Masci+ 2019)) 20230427.4439 16.832g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.3085 <16.767g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.3330 17.911c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3348 17.810c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3418 17.513c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3473 17.644c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230430.3712 16.337g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.0769 17.256o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0793 17.680o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0820 18.581o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3425 16.221g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.3762 16.370g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230502.2956 16.869o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.2974 16.888o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3006 17.251o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3060 17.175o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0396 17.455o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0423 17.253o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0455 17.571o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0519 17.022o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2677 17.204o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2704 17.604o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2930 17.213o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2980 16.834o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0458 16.990o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0481 17.013o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0572 17.058o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0627 17.241o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.4244 <16.390g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.4244 <16.830g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.2482 17.469o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2500 17.419o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2532 17.470o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2802 17.354o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.4214 17.236zg (ZTF Alert DC mag (Masci+ 2019)) 20230509.4362 <16.864g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230510.0780 17.592o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.0812 17.615o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.0848 17.609o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.1133 17.469o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.3918 17.126o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.3950 17.018o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4046 16.931o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4174 17.459o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230512.2646 15.992g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230514.3214 16.232g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.3128 16.445g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.5768 17.135o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230515.5832 17.396o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230516.3238 16.519g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-campaign-nl 383]1RXSJ075330.1+044606: very active
by Taichi Kato 15 May '23

15 May '23

1RXSJ075330.1+044606: very active Very active transition between high and low states (VY Scl) since 2022 Sep. Currently in low state. YYYYMMDD(UT) mag observer 20230406.8840 16.375o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.8875 16.366o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.8928 16.591o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.9074 16.475o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.0940 16.199o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.1118 16.512o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.1220 16.336o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230408.1298 16.536o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.2909 14.864zg (ZTF Alert DC mag (Masci+ 2019)) 20230409.5473 167C (Masayuki Moriyama) 20230409.7961 16.555o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.7990 16.560o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.8053 16.359o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230409.8161 16.352o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230410.3228 16.356g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230411.0440 16.464c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0472 16.553c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0532 16.432c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0568 16.431c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.0697 16.493c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230411.1112 16.374g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230411.1572 16.389zg (ZTF Alert DC mag (Masci+ 2019)) 20230411.2374 16.241zr (ZTF Alert DC mag (Masci+ 2019)) 20230412.5505 165C (Masayuki Moriyama) 20230414.0415 16.666c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.0447 16.485c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.0516 16.421c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230414.0630 16.533c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.1925 17.210zr (ZTF Alert DC mag (Masci+ 2019)) 20230415.2895 17.401g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230415.7919 17.511o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.7947 17.433o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.8016 17.445o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.8194 17.488o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0263 17.963c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0295 17.995c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0390 18.477c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.0542 18.093c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.1720 17.631zr (ZTF Alert DC mag (Masci+ 2019)) 20230417.1937 17.155zg (ZTF Alert DC mag (Masci+ 2019)) 20230419.2117 17.571zr (ZTF Alert DC mag (Masci+ 2019)) 20230420.0376 18.155c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.0407 18.390c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.0462 18.202c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.0562 18.382c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230421.1761 18.378zg (ZTF Alert DC mag (Masci+ 2019)) 20230423.0030 18.721c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.0062 18.750c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.0161 18.863c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.0216 18.530c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.1829 18.654zr (ZTF Alert DC mag (Masci+ 2019)) 20230423.2018 17.240zg (ZTF Alert DC mag (Masci+ 2019)) 20230424.0321 <17.290g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230424.7202 18.905o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230424.7398 19.111o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.0558 <17.356g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230426.5593 <161C (Masayuki Moriyama) 20230430.7197 18.008o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230430.7230 18.328o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.1750 17.378zg (ZTF Alert DC mag (Masci+ 2019)) 20230502.0310 18.391o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.0342 18.192o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.0145 <16.947g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230504.0520 <16.762g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230504.9889 <16.904g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.0275 18.028o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.9636 18.504o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.9774 18.834o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.9900 18.529o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7247 18.648o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7278 18.396o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7420 18.180o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7495 18.639o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230510.7612 <17.304g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230511.4895 <161C (Masayuki Moriyama) 20230512.0230 <17.417g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230513.0160 <17.322g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-campaign-nl 382]Gaia DR3 4120119486648118784 outburst = Gaia23bne
by Taichi Kato 16 Apr '23

16 Apr '23

BH Lyn fading: Gaia detection http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bnd/

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[vsnet-campaign-nl 381]BH Lyn getting very faint
by Taichi Kato 12 Apr '23

12 Apr '23

BH Lyn getting very faint YYYYMMDD(UT) mag observer 20230107.3225 16.367zr (ZTF Alert DC mag (Masci+ 2019)) 20230107.4738 17.205zg (ZTF Alert DC mag (Masci+ 2019)) 20230115.4270 17.160o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230115.4288 17.152o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230115.4324 17.061o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230115.4563 17.811o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.4835 17.417o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.4871 17.481o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.4930 17.680o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.5085 17.659o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.4634 16.953o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.4666 16.701o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.5182 17.475o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.5237 17.446o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.2797 17.226zg (ZTF Alert DC mag (Masci+ 2019)) 20230125.3205 16.810zr (ZTF Alert DC mag (Masci+ 2019)) 20230127.2998 17.323zr (ZTF Alert DC mag (Masci+ 2019)) 20230202.4453 16.765zg (ZTF Alert DC mag (Masci+ 2019)) 20230205.2606 17.453zg (ZTF Alert DC mag (Masci+ 2019)) 20230205.3478 17.042zr (ZTF Alert DC mag (Masci+ 2019)) 20230208.1138 17.064zg (ZTF Alert DC mag (Masci+ 2019)) 20230208.1748 16.854zr (ZTF Alert DC mag (Masci+ 2019)) 20230210.2270 16.770zr (ZTF Alert DC mag (Masci+ 2019)) 20230210.2642 17.239zg (ZTF Alert DC mag (Masci+ 2019)) 20230211.8002 172:C (Masayuki Moriyama) 20230217.2289 15.517zr (ZTF Alert DC mag (Masci+ 2019)) 20230217.2594 15.634zg (ZTF Alert DC mag (Masci+ 2019)) 20230219.2439 17.181zr (ZTF Alert DC mag (Masci+ 2019)) 20230219.3257 15.824zg (ZTF Alert DC mag (Masci+ 2019)) 20230310.2409 17.282zr (ZTF Alert DC mag (Masci+ 2019)) 20230310.3046 15.330zg (ZTF Alert DC mag (Masci+ 2019)) 20230312.3433 19.238o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3466 18.942o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3521 19.070o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3620 18.978o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230314.2011 16.941zg (ZTF Alert DC mag (Masci+ 2019)) 20230316.3833 19.003o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3864 19.018o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3935 18.743o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.4033 18.910o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.1738 17.405zr (ZTF Alert DC mag (Masci+ 2019)) 20230328.3239 19.053o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230329.5961 <169C (Masayuki Moriyama) 20230410.3305 19.228o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3342 19.087o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3413 18.945o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3565 18.860o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-campaign-nl 380]NSV 3734 fading
by Taichi Kato 12 Mar '23

12 Mar '23

NSV 3734 fading http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bbb/ Gaia23bbb AT2023cwc 2023-03-08 02:13:34 116.73117 -9.57521 15.53 13.74 0.09 unknown 2023-03-10 17:42:05 ~1.5 mag dimming in known CV NSV 3734 ATLAS data also recorded slow fading starting from 2022 Nov. No past fading episode in ATLAS, and ASAS-3.

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[vsnet-campaign-nl 379]V1596 Sco: bright eclipsing NL
by Taichi Kato 02 Mar '23

02 Mar '23

V1596 Sco: bright eclipsing NL mag 12 See https://ui.adsabs.harvard.edu/abs/2023MNRAS.520.2386R/abstract No major fading/brightening in ASAS-3/ATLAS.

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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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[vsnet-campaign-nl 376]V425 Cas fading further
by Taichi Kato 24 Nov '22

24 Nov '22

V425 Cas fading further YYYYMMDD(UT) mag observer 20220929.3350 14.392g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220929.3363 14.425g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220929.3375 14.444g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220929.3594 14.558g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220929.3607 14.527g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220929.3619 14.528g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220929.7206 143cG (Yutaka Maeda) 20220930.3116 14.302g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220930.3129 14.298g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220930.3142 14.261g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20220930.6535 143:cG (Yutaka Maeda) 20221001.2530 14.414g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221001.2543 14.527g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221001.2556 14.533g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221001.4430 14.393g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221001.4443 14.398g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221001.4455 14.371g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221002.2512 14.353g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221002.2524 14.330g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221002.2537 14.316g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221003.1221 14.457g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221003.1233 14.443g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221003.1246 14.437g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221003.6600 142cG (Yutaka Maeda) 20221004.2290 14.895zr (ZTF Alert DC mag (Masci+ 2019)) 20221006.3834 14.749zg (ZTF Alert DC mag (Masci+ 2019)) 20221008.2477 14.782zg (ZTF Alert DC mag (Masci+ 2019)) 20221008.5767 146:cG (Yutaka Maeda) 20221010.1837 15.010zg (ZTF Alert DC mag (Masci+ 2019)) 20221011.3819 <15.051g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221011.3831 14.771g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221012.1372 14.900zg (ZTF Alert DC mag (Masci+ 2019)) 20221012.5951 147c (Yutaka Maeda) 20221013.0739 14.694g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221013.0752 14.658g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221013.0764 14.919g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221013.6018 149:cG (Yutaka Maeda) 20221014.1862 15.098zr (ZTF Alert DC mag (Masci+ 2019)) 20221014.2211 15.483zg (ZTF Alert DC mag (Masci+ 2019)) 20221014.2751 14.831g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221014.2763 14.129g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221014.2776 15.144g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221015.4136 14.934g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221015.4149 15.083g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221015.4162 15.027g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221015.5941 148:cG (Yutaka Maeda) 20221016.4106 14.946g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221016.4118 14.832g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221016.4131 14.774g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20221017.7253 156C (Masayuki Moriyama) 20221018.5966 151cG (Yutaka Maeda) 20221019.5611 151:cG (Yutaka Maeda) 20221021.2034 15.504zg (ZTF Alert DC mag (Masci+ 2019)) 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) 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)) 20221119.6926 154C (Masayuki Moriyama) 20221121.1618 15.790zg (ZTF Alert DC mag (Masci+ 2019)) 20221121.5892 <157c (Yutaka Maeda)

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2024

2023

2022

2021