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Night Report 2015-01-20

Observers: Christoffer Fremling, Anders Nyholm
TAT: Nancy Elias-Rosa, Lluís Galbany

Tpnight conditions are not photometric with some high clouds at the start of the night. We do EFOSC followup and classifications.

(times are in UT)

CALIBRATIONS:

- 00:00 Sunset
- 23:30 PESSTO_SkyFF UVi
- 09:30 PESSTO_SkyFF grz
- 09:45 PESSTO_bias, PESSTO_calib

SCIENCE-OBSERVATIONS:

EFOSC observations  

- 01:00 ASASSN-14lw, Airmass=1.32, Seeing=0.72”
Comment: gr11+gr16 followup
- 02:02 SN2013hx, Airmass=1.5, Seeing=0.78”
Comment: followup imaging ri dither
- 03:53 STD l745, Airmass=1.03, Seeing=0.68” 
- 04:18 OGLE73, Airmass=1.5, Seeing=0.7”
Comment: followup gr13 3200s, very faint signal
- 05:45 ASASSN-15bf, Airmass=1.69, Seeing=0.46”
Comment: Class. gr13, Ia +10d z=0.047
- 06:03 OGLE30, Airmass=1.44, Seeing=0.75”
Comment: Class. gr13, Ia -1d, z=0.172
- 06:48 LSQ15cs, Airmass=1.27, Seeing=0.85”
Comment: Class. gr13, Ia +3, z=0.113
- 07:25 LSQ14mo, Airmass=1.03, Seeing=0.57”
Comment: Followup, imaging ri dither


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SCIENCE-CONCLUSIONS:

With EFOSC:

Followup
- ASASSN-14lw, followup gr11+gr16, spectrum looks OK
- SN2013hx, followup ri imaging
- OGLE73, followup gr13 spectroscopy, very faint trace
- LSQ14mo, followup ri imaging

Classification
- ASASSN-15bf, Ia +10d z=0.047
- OGLE30, Ia -1d, z=0.172
- LSQ15cs, Ia +3, z=0.113

Comments