Night report 2017-04-22

Night report 2017-04-22

Observers: Regis Cartier, Claudia Gutiérrez

TAT on duty: Kate Maguire, Janet Chen, Lluís Galbany

Support team: Claudia Gutiérrez, Regis Cartier, Mark Sullivan

Daytime calibrations: PESSTO_SOFI_FlatJHK

Weather conditions:

23:00 UT: Clear sky, Humidity ~35%; Atm. pressure ~ 770 hPa; Seeing ~ 0.8

02:40 UT: Clear sky, Humidity ~41%; Atm. pressure ~ 770 hPa; Seeing ~ 0.5

05:45 UT: Clear sky, Humidity ~32%; Atm. pressure ~ 770 hPa; Seeing ~ 0.63

08:25 UT: Clear sky, Humidity ~34%; Atm. pressure ~ 770 hPa; Seeing ~ 0.68

10:12 UT: Clear sky, Humidity ~35%; Atm. pressure ~ 770 hPa; Seeing ~ 1.01

Seeing: 0.7 arcsec (3:40 UT), 0.56 arcsec (06:48 UT), 1.1 arcsec (10:00 UT)

UT Target RA DEC Time spent(min) slit/grism/filter Description

23:16 Image Analysis

23:28 SN2017pn 04:46:24.58 -11:59:18.2 37+5 gr13 Follow-up: SN II

00:05 AT2017cie 05:00:26.52 -22:22:10 17 gr13 Classification: SN Ia at 30 days from maximum.

00:25 Change to SOFI

00:53 OGLE2012SN040 06:07:01.59 -69:21:17 75 JHK Follow-up. Deep images.

02:20 AT2016jbu 07:36:25.96 -69:32:55 180 JHK Follow-up. SN IIn.

04:26 SN2017cbv 14:32:34.42 -44:08:03 60 BG_RG Follow-up

05:28 Hip94200 19:10:39.86 -58:05:19.8 5 BG_RG Telluric standard.

NOTE: The flux standard star will be taken the next SOFI observations because in this moment they are not visible.

05:35 Change to EFOSC

05:45 Image Analysis

06:00 AT2017deu 13:16:21.60 27:41:35 15 gr13 Classification: SN Ia around max.

06:15 AT2017cms 11:57:51.72 -23:57:22 25 gr13 Classification: Two SNe in the same field, SN II at z~0.054 (consistent with the redshift of the galaxy) and a possible SN Ia at redshift >0.5!!! LENSED SN!!????

06:42 AT2017ddy 12:55:15.88 -17:28:55 12 gr13 Classification: SN Ia around maximum.

06:56 AT2017dcc 12:49:04.89 -12:12:22 60 gr11+gr13 Follow-up: SN Ic

08:00 AT2017cqg 13:27:55.31 -13:24:47 17+5 gr13 Classification: SN IIn (z~0.237) at 8d from max.

08:23 EG274 16:23:33.70 -39:13:48.0 6 gr11+gr13+gr16 Standard telluric

08:30 The standard observation stopped!

08:33 EG274 16:23:33.70 -39:13:48.0 4 gr11+gr13+gr16 Standard telluric

08:38 AT2017dff 20:38:57.19 -26:49:54 22 gr13 Classification: SN Ia around max (z~0.0778)

09:02 AT2016cvk 22:19:49.39 -40:40:03 52 gr11 Follow-up: SN IIn

09:56 AT2017dah 20:17:03.82 20:17:03.82 17 gr13 Classification: SN Ia at +8d from maximum (0.080).

10:12 END OF THE NIGHT