Night report 2017-04-28

Night report 2017-04-23-28

Observers: Claudia Gutiérrez, Regis Cartier

TAT on duty: Cosimo Inserra, Joe Lyman

Support team: Regis Cartier, Claudia Gutiérrez, Mat Smith, Chris Frohmaier.

Daytime calibrations: PESSTO_bias, PESSTO_calib, PESSTO_SkyFF_eve_grz

Weather conditions:

23:00 UT: Clear sky, Humidity ~17%; Atm. pressure ~ 770 hPa; Seeing ~ 0.9

02:00 UT: Clear sky, Humidity ~15%; Atm. pressure ~ 770 hPa; Seeing ~ 0.55

06:00 UT: Clear sky, Humidity ~13%; Atm. pressure ~ 770 hPa; Seeing ~ 0.6

09:15 UT: Clear sky, Humidity ~9%; Atm. pressure ~ 770 hPa; Seeing ~ 0.73

Seeing: 0.72 arcsec (01:22 UT), 0.66 arcsec (03:35 UT), 0.96 arcsec (07:00 UT), 0.66 arcsec (10:00 UT)

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

22:50 Image analysis (Problems with the telescope, aborted)

23:10 AT2017dhu 05:16:31.93 06:27:46.30 15 gr13 Classification: SN II at maximum (z~0.043).

23:27 AT2017dht 09:27:06.82 12:42:03.50 15 gr13 Classification: Blue continuum. CC-SN. It could be a SLSN!! PLEASE CHECK!

23:48 Image analysis

00:11 AT2017dil 09:43:42.25 22:47:43.80 15 gr13 Classification: SN Ia at maximum (z~0.06).

00:28 SN2017dgk 09:54::41.71 -26:35::01.6 37 gr13 Follow-up: SN Ic.

01:06 SN2017yv 10:23:40.39 -35:49:31 37 gr13 Follow-up: SN Ia.

01:42 AT2017dhm 11:06:49.86 14:29:16.00 20 gr13 Classification: SN Ia at 12 days from maximum. The SN lines look narrower than those presented in the typical SNe Ia.

02:04 SN2017dcc 12:49:04.89 -12:12:22 62 gr11+gr16 Follow-up: SN Ic.

03:13 SN2017hn 13:07:39.46 06:20:14.60 37 gr13 Follow-up: SN Ia.

03:44 AT2017dgy 12:54:16.25 -06:12:38.0 20 gr13 Classification: SN Ib at 8 days from maximum (z~0.074).

04:05 AT2017dhp 11:54:14.38 +11:45:40.5 17 gr13 Classification: SN Ia before maximum (z~0.052).

04:22 AT2017dic 13:20:27.31 -12:07:20.0 10 gr13 Classification: Nothing visible in the position.

04:34 AT2017dij 13:27:23.01 -02:48:20 22 gr13 Classification: SN Ia at 8 days after maximum.

04:54 EG274 16:23:33.7 -39:13:48.0 13 gr11+gr13+gr16 Telluric standard.

05:06 Change to SOFI

05:17 Image analysis

05:33 ASASSN-15ga 12:59:27.29 14:10:15.70 75 JHK Follow-up: SN Ia. Stopped!

05:36 Technical problems

05:54 SN2017dfb 15:39:05.03 05:34:16.90 33 JHK Follow-up: SN Ia

06:30 LSQ15adm 20:14:21.82 -58:08:20 100 JH Follow-up: SN Ia-csm

06:36 Image analysis

06:44 LSQ15adm 20:14:21.82 -58:08:20 90 JH Follow-up: SN Ia-csm

08:12 AT2016cvk 22:19:49.39 -40:40:03 85 JHK Follow-up: SN IIn

09:30 Change to EFOSC

09:37 AT2017dgu 21:24:02.17 -53:33:55 20 gr13 Classification: SN Ia around maximum (z~0.0617).

09:58 AT2017djj 17:46:11.80 -25:37:18.1 15 gr13 Classification: Nothing visible at the position. After reducing the acquisition image the transient was not there. We centred the slit in a very close source but it was not the object, it is a red star.

10:20 End of the night