Observers : Laurent Le Guillou, Ayan Mitra - Morning : EFOSC_SkyFlat grzSupport team : Nicolas Chotard, Pierre Francois Leget TAT : Joe Anderson, Nancy Elias-Rosa Clear sky, low wind, below 50% humidity. Photometric night. (times are in UT) CALIBRATIONS : - Evening : EFOSC_bias, EFOSC_FlatSpec, EFOSC_SpecArc, EFOSC_SkyFlat BVRi SCIENCE OBSERVATIONS : --- EFOSC --- - 00:20 seeing ~ 1" - 00:29 Classification of ASASSN-15da gr13 SN Ia age 1day z = 0.048 - 00:45 gd71 standard gr11+gr13+gr16 - 01:06 PESSTOESO154 follow up gr11 2x2700 s - 02:40 PG1047 photometric standard - 03:00 OGLE-2014-SN-047 photometry UBVRi - 03:00 seeing ~ 0.7" - 03:45 LSQ15he classification with gr13 SN Ia age ~ 17 days z ~ 0.12 - 04:35 L745a standard star gr11+gr13+gr16 - 05:00 CSS150210-085514-080940 classification with gr13 SN IIP ?? low S/N - 05:25 LSQ15in classification gr13 can't distinguish from the galaxy - 05:55 LSQ15jn classification gr13 SN Ia age ~ 3 days z~ 0.09 - 06:23 SN2015d follow up gr11+gr16 1500s each - 07:30 EG274 standard star gr11+gr13+gr16 - 07:45 PG1323 photometric standard - 07:55 Gaia15abd classification gr13 The object seems to be the bright spot close to the galaxy (the finding chart is very bad). according to snid, may be a SNIa +40 days z ~ 0.027 - 08:35 LSQ15lp classification with gr13 SNIa around + 10 days z ~ 0.048 - 08:45 seeing ~ 0.7" CONCLUSIONS : (see attached spectra) ASASSN-15da : SNIa age 1 day z = 0.048 LSQ15he : SNIa age ~ 17 days z ~ 0.12 CSS150210-085514-080940 : SN IIP ?? low S/N LSQ15jn : SNIa age ~ 3 days z~ 0.09 Gaia15abd : SNIa ? + 40 days z ~ 0.027 LSQ15lp : SNIa around + 10 days z ~ 0.048 |