Night Report 2019-03-08

Observers: Ana Sagués Carracedo, Cristina Barbarino, Valéry Brinnel

Support Team: LeonardoTartaglia, Jesper Sollerman

TAT: Michel Dennefeld, Morgan Fraser

Calibrations:

EFOSC2:

biases

dome flat and arcs (evening).

arcs (morning)

Weather:

Start: Humidity 63%, wind speed 5.5, seeing: 1.2, thin clouds

Middle (5 ut): Humidity 36%, wind speed 12.3, seeing: ?

End: Humidity 51%, wind speed 13.8, seeing: 1.4

Comments:

DIMM started working around 02:00 UT

DIMM seeing not reliable

Instrument - EFOSC2

UT Target Type Setup airmass Seeing(DIMM) texp notes

00:21 SN2019abu Follow-up gr13 1.8 1.2 1800s Seeing estimated from image

00:54 LTT3864 Std gr11+13+16,sl1+1.5 1.3 1.2 Seeing estimated from image

01:21 AT2019bpb Classification gr13 1.2 1.1 600s Seeing estimated from image. SN Ia.

01:43 AT2019bkg Classification gr13 1.3 1.0 600s Seeing estimated from image. Young Type II ?

01:58 AT2019bju Classification gr13 1.2 1.2 600s Spec host contaminated. Type II ?

02:17 SN2018eph Follow-up gr13 1.5 0.9 2700s

03:10 SN2018jmt Follow-up UBVgriz 1.3 1.0 1920s Variable seeing (1.0 <-> 1.9) due to wind spikes

04:05 SN2018ghb Follow-up gr13 1.4 1.8 1 x 2700s Seeing around 2" -> slit 1.5, second exposure aborted

05:15 Dome closed due to wind (15.8)

05:50 We opened again

05:55 SN2019bkc Follow-up gr11+gr16 1.34 1.07 2 x 1800s

07:15 SN2019bka Follow-up gr11+gr16 1.77 1.2 2 x 900s

07:57 EG274 Std gr11+13+16,sl1+1.5 1.1 1.5

08:20 AT2019bgc Classification gr13 1.4 1.3 900s. Blue continuum

08:40 AT2019azr Classification gr13 1.2 0.9 600s SN Ia

08:56 AT2019bky Classification gr13 1.6 0.7 900s SN Ia

09:21 AT2019blo Classification gr13 1.1 1.4 600s SN Ia

09:40 AT2019bjy Classification gr13 1.2 1.4 600s SN Ia

09:55 Running morning arcs