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Night Report 2019-05-13

Observers:
Matt Nicholl, Phil Short

Support Team:
C. Angus, T. Müller, M. Pursiainen

TAT:
Cristina Barbarino, Michel Dennefeld, Steve Williams


Calibrations:
EFOSC2
Evening: Arcs, bias
Morning: Arcs

Weather:
Sunset: 22:08, Twilight (end): 23:22
Beginning of night: No clouds, humidity 14%, wind 4.9m/s
Weather stayed good with great seeing throughout the night

Comments:
Began with two EFOSC targets, switched to SOFI, then back to EFOSC.

EFOSC2 (1/2)

 UT Target Type Setup Airmass Seeing Exp time Notes
 22:52 SN2019ecx Follow-up gr#11+16 slit1.0
 1.5 0.8
 0.9
 1x2700s in each grism
 
 00:45 AT2019fcn Classification gr#13 slit1.0
 1.3 0.9 1x180s Type II - second SN in galaxy in one week! The other being 2019ejj

SOFI

 UT Target Type Setup Airmass Seeing Exp time Notes
 01:16
 AT2019ahk
 Follow-up
 JHK
1.8
 1-ish, dimm says 0.6
 JHK 15-16mag
 Poor image quality with SOFI (triangular stars), TO claims it can't be fixed tonight. We also had the quadrant issue but this was solved by the famous jiggle maneuver.
 01:26 SN2019esa Follow-up JHK 1.8 " "
 JHK 13-15mag on-off
 "" ""
 01:40 Sn219esa Follow-up BG spec
 1.8 " "
 480s 
 02:09 HIP037143 Telluric BG spec
 1.9 " "
 3s 
 02:15 EG274 Std BG spec
 1.3 " "
 20s 

EFOSC2 (2/2)

 UT Target Type Setup Airmass Seeing Exp time Notes
 02:38 AT2018hyz Follow-up gr#11 slit1.0
 1.7 0.8 1x2700s 
 03:29 EG274 Std gr#11+13+16 slit1.0+1.5 1.1 0.8 8x60s 
 03:49 SN2019bwb Follow-up gr#11 slit1.0
 1.4 1.1 1x1500s 
 04:22 SN2019cri
 Follow-up gr#13 slit1.0
 1.4 1.0 2x1800s 
 05:40 SN2019dke Follow-up gr#13 slit1.0
 1.4 1.2 1x1500s 
 06:12 AT2019fda Classification gr#13 slit1.0
 1.5 1.2 1x300s Balmer absorption features at z=0...
 06:25 AT2019exh Classification gr#13 slit1.0 2.0 1.2 1x600s Possibly another galactic object :(
 06:41 AT2019fcg Classification gr#13 slit1.0 1.6 1.2 1x600s Our best fit is a Ia-csm at z=0.056!
 06:54 SN2019cqc Follow-up gr#13 slit1.0 2.1 1.1 2x1800s 
 08:05 AT2019evq Classification gr#13 slit1.0 1.7 1.0 1x300s Blueish continuum, not much else
 08:18 AT2019exy Classification gr#13 slit1.0 1.9 1.0 1x600s Ia at z=0.05
 08:32 AT2019fce Classification gr#13 slit1.0 1.3 0.8 1x900s Blue continuum with a faint feature at 6120 (observed)
 08:54 AT2019fcf Classification gr#13 slit1.0
 1.7 0.8 1x900s  Ia at z=0.05
 09:16 SN2017hcc  Follow-up gr#16 slit1.0
 2.9 1.0 1x3600s 
 10:32 EG131 Std gr#11+13+16 slit1.0 1.2 1.1 4x100s 
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