Night Report 2017-01-19

Observers: Jesper Sollerman, Francesco Taddia

TAT on duty: Morgan Fraser, Joe Anderson

Support team: Cristina Barbarino, Anders Nyholm, Emir Karamehmetoglu

Daytime calibrations: 

EFOSC2: PESSTO_bias, PESSTO_calib

Twilight calibrations:

23:57 Bgi(and partially V and R) sky flats 

00:32  image analysis 

Weather: just one low cloud visible in the sky before starting the observations.

seeing at 0.7" at 01:00

seeing at 0.74" at 02:36

UT/Target/RA/DEC/slit/grism or filter/time spent(min) /description

 00:53     DES16E1gfm       00:33:51.24    -42:37:06.1    1    gr13                    40      CLASSIFICATION. SN Ia at z=0.19, at peak

 01:33     OGLE17aaj         01:56:24.92    -71:04:15.7    1    gr11                     52      FOLLOW-UP. Broad He II in this possible TDE, good spectrum.

 02:26     ASASSN-15og      03:21:07.43    -31:18:45.6         BVgri                   1:14    FOLLOW-UP. Deep BgVRi images under good seeing conditions. 

 03:39     OGLE16dmu       04:48:26.34    -62:20:10.6    1    g13                      52*1    FOLLOW-UP. Another 2700 sec exposure after the two taken on Jan. 17.

 04:33     RU_152              07:29:56.00    -02:05:39.0    1    BgVRi                     7      Photometric standard.

 04:40     L745a                07:40:19.60    -17:24:42.0    1    gr11+gr16+gr13   15      Spectral standard.

 05:00     AT2016jbu        07:36:25.96    -69:32:55.2    1    gr11+gr16             40      FOLLOW-UP. Very bright signal.

 05:48     AT2017lb          10:12:49.86    -18:06:45.8    1    gr13                        22      CLASSIFICATION. SN Ia at z=0.05 around peak.

 06:10     AT2017la         10:48:26.56    -13:13:59.3    1    gr13                         22      CLASSIFICATION. Type II SN, at least 10 days old, possibly a few weeks, known z=0.05278. 

 06:32     SN2016B           11:55:04.24    +01:43:06.7    1    gr13                       52*2    FOLLOW-UP. Strong nebular lines, nice spectrum of this SN IIP.

 08:18     AT2017kz         13:07:25.41    -01:19:23.4    1    gr13                        22      CLASSIFICATION. SN Ia at z=0.09, after peak.

 08:40     AT2017ln         11:38:33.78    +25:23:46.8    1    gr13                         17      CLASSIFICATION. SN Ia at known z=0.025, before peak.

 08:55     LTT3864           10:32:13.90    -35:37:42.4    1    gr11+gr16+gr13     15      Spectral standard.

 09:10     PG1047            10:50:05.65    -00:01:11.3         BgVRi                         7      Photometric standard.

 09:17     end of the night