JHK band observations of SN2023ixf in M101 during days 12 to 112 after the explosion
ATel #16300; Y. D. Mayya, L. Carrasco, G. Escobedo, A. Porras, E. Recillas, L. Felix; (INAOE, Mexico)
on 19 Oct 2023; 19:49 UT
Credential Certification: LUIS CARRASCO (carrasco@inaoep.mx)
Subjects: Infra-Red, Supernovae
We here report the JHK band photometry of SN2023ixf covering between days 12 to 112 after the explosion. The light curve continued to rise in J-band until day 41, reaching a peak value of 11.05 mag., decreasing monotonically there afterwards. The peak H and K values reached a few days before that in the J-band, with the post-peak values at these longer wavelengths showing low-amplitude fluctuations. Observations details are same as reported in ATel #16082. Here we report the complete photometric table including those reported in ATel #16082. The Julian Day (JD) corresponding to the middle of exposures, measured magnitudes in the three bands in the Vega system, and error on each measurements for each epoch of observations are given below: JD Filter Mag error 2460094.843148 J 11.233 0.035; 2460095.762951 J 11.192 0.030; 2460096.848831 J 11.168 0.044; 2460097.811366 J 11.170 0.053; 2460121.692431 J 11.137 0.066; 2460123.720625 J 11.051 0.048; 2460125.658796 J 11.245 0.030; 2460191.633889 J 12.837 0.034; 2460192.629259 J 12.830 0.036; 2460193.630810 J 12.834 0.028; 2460194.617824 J 12.911 0.035; 2460094.835567 H 11.110 0.036; 2460095.755787 H 11.059 0.032; 2460096.847523 H 10.993 0.042; 2460097.803032 H 10.880 0.032; 2460121.688345 H 11.083 0.064; 2460123.711563 H 11.001 0.058; 2460125.653669 H 11.015 0.050; 2460191.620035 H 12.525 0.033; 2460192.619664 H 12.540 0.022; 2460193.622755 H 12.512 0.034; 2460194.615509 H 12.593 0.036; 2460094.847037 Ks 10.870 0.025; 2460095.779780 Ks 10.861 0.039; 2460096.858102 Ks 10.751 0.026; 2460097.815405 Ks 10.686 0.031; 2460121.699398 Ks 10.770 0.065; 2460123.727072 Ks 10.781 0.103; 2460125.666655 Ks 10.865 0.075; 2460191.643796 Ks 12.145 0.035; 2460192.636829 Ks 12.296 0.028; 2460193.639525 Ks 12.139 0.045; 2460194.631678 Ks 12.246 0.031. Our observations are carried out using CANICA instrument at the 2.1m telescope of the Guillermo Haro Observatory, which is operated by the National Institute for Astrophysics, Optics and Electronics (INAOE, Mexico).
