ASASSN-15dw outburst since Jan.

Low-amplitude dwarf nova?

YYYYMMDD(UT) mag observer 20230119.0270 15.153c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.0296 15.083c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.0305 15.051c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.0332 15.065c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.3293 14.795o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.3362 14.793o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.3711 14.814o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.3729 14.801o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.3747 14.801o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230120.5907 14.780o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230120.5949 14.799o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230120.6003 14.803o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230120.6326 14.779o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230120.7557 151:c (Yutaka Maeda) 20230120.8535 150C (Masayuki Moriyama) 20230121.0191 15.070c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230121.0214 15.069c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230121.0246 15.064c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230121.0373 15.070c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230121.7444 150:c (Yutaka Maeda) 20230123.1465 15.014g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230123.1478 15.058g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230123.1491 15.064g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230124.0396 13.972c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.0420 13.979c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.0684 13.970c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.0972 13.960c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.5585 13.936o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.5626 13.920o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.5680 13.906o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.5779 13.905o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230124.9158 13.967g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.0298 13.815g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.3122 13.825o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.3432 13.931o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.3469 13.909o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.3613 13.937o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.8876 13.971g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.8888 13.969g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.8901 13.954g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.9866 13.922g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.9878 13.975g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230125.9891 13.882g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230126.2681 13.903o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.2872 13.867o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.2890 13.853o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.2900 13.939o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.2918 13.901o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.2922 13.847o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.3178 13.936o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230126.3296 13.867o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.0165 13.940c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.0193 13.942c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.0224 13.941c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.0386 13.935c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.2808 14.001o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.2844 14.004o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.2898 14.011o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230127.2975 13.967o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230128.0251 13.988c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230128.0278 13.998c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230128.0532 13.990c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230128.0559 13.996c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2191 14.032o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2223 14.024o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2483 14.013o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2510 14.077o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2545 14.029o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2550 14.003o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2577 14.069o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.2633 14.019o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230129.3755 14.119g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230129.3767 14.105g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230129.3780 14.102g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230130.2775 13.785o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.2797 13.797o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.2833 13.806o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.2838 13.854o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.2856 13.858o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.3056 13.925o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.3060 13.983o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.3101 13.968o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230130.6927 140c (Yutaka Maeda) 20230131.3430 13.989o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230131.3468 14.030o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230131.3630 14.039o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230131.3699 13.982o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230201.0022 13.894c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230201.0040 13.930c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230201.0072 13.954c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230201.0126 14.000c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230202.1096 13.985g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230202.1109 13.919g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230202.1122 13.967g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230202.2591 14.002o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230202.2622 14.008o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230202.2654 14.004o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230202.2870 13.882o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.2537 13.938o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.2694 13.916o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.2712 13.952o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230203.2740 13.928o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0144 13.968o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0162 13.965o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0190 13.957o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.0445 14.034o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230204.6879 141:cG (Yutaka Maeda) 20230205.0517 14.175o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.0780 14.151o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.1064 14.018o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230205.1262 13.968o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.2620 14.014o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.2638 14.007o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.2894 14.074o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230206.3011 14.096o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230207.1204 14.410g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230207.1217 14.651g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230207.1230 14.155g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230207.6565 140:c (Yutaka Maeda) 20230207.7465 142C (Masayuki Moriyama)