Night report 2017-02-06

Night Report 2018-02-06

Observers: Regis Cartier, Alessandro Razza,

Support Team: Owen McBrien, Peter Clark, Erkki Kankare

TAT: Janet Chen, Michel Dennefeld

TO: Javier Alarcon (day), Mauricio Martinez (night)

Calibrations: EFOSC PESSTO_calib, PESSTO_bias, PESSTO_calib_gr18+gr20

Sky flats: UBVR evening flats

Weather: Clear sky with humidity 75%-80%. Variable seeing.

UT Object setup exp airmass seeing note

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EFOSC

00:39:17 SN2017jan g13 sl1 2700s 1.31 1.20

01:39:33 AT2018ht g13 sl1.5 900s 1.21 1.51 interesting object hard to classify, low S/N

02:09:09 SN2017ixz g13 sl1.5 3600s 1.90 1.51 variable seeing (final seeing 0.66)

03:16:50 AT2018ht g13 sl1 1200s 1.33 0.66 Classification --> ?

03:45:31 SN2017jan g13 sl1 2700s 1.83 1.10

04:37:23 AT2018pg g13 sl1 600s 1.57 0.76 Classification --> SN Ia few days (+4d) after max. z=0.064

05:10:05 LTT3864 g11+g16+g13 1.03 0.93

05:35:37 SN2017ipa g13 sl1 3600s 1.53 0.71

06:42:06 SN2018oh g13 sl1 900s 1.79 0.67

SOFI

07:20:54 SN2018oh BG 2160s 2.20 0.80

08:21:47 Hip499942 2.53 1.41

08:32:05 LTT3218 1.75 1.41

08:36:16 SN2017jfs JHK 1.27 1.16 J and H taken before twilight. K taken at nautical twilight.