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Observers : Laurent Le Guillou, Ayan Mitra
Support 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
- Morning : EFOSC_SkyFlat grz
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
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