Night report 2017-04-23

Night report 2017-04-23

Observers: Claudia Gutiérrez, Regis Cartier

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

Support team: Claudia Gutiérrez, Regis Cartier, Mark Sullivan

Daytime calibrations: PESSTO_bias, PESSTO_calib

Weather conditions:

23:00 UT: Clear sky, Humidity ~41%; Atm. pressure ~ 770 hPa; Seeing ~ 0.7

01:00 UT: Clear sky, Humidity ~42%; Atm. pressure ~ 770 hPa; Seeing ~ 0.8

05:40 UT: Clear sky, Humidity ~32%; Atm. pressure ~ 770 hPa; Seeing ~ 0.55

09:20 UT: Clear sky, Humidity ~34%; Atm. pressure ~ 770 hPa; Seeing ~ 1.28

Seeing: 1 arcsec (23:37 UT), 0.83 arcsec (01:55 UT), 0.55 arcsec (03:10 UT), 1.1 arcsec (10:30 UT)

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

22:55 LTT3218 08:41:32.37 -32:56:32 10 BG_RG Telluric Standard

23:01 Change to EFOSC

23:10 Image analysis

23:36 AT2017cud 09:40:17.12 -03:17:31 15 gr13 Classification: SN Ia at 6 days from max (z~0.068)

23:51 AT2017cik 07:54:13.06 21:47:36.4 60 gr11+gr16 Follow-up: SN IIn

00:54 AT2017cug 07:57:49.85 -21:41:09 12 gr13 Claissification: SN Ia at 8 days from maximum (z~0.024). Possible a 1991T-like.

01:10 AT2017bcc 11:31:52.99 29:59:45 52 gr13 Follow-up.

02:02 GD153 12:57:02.37 22:01:56.0 15 gr11+gr13+gr16 Telluric Standard

02:22 AT2017dgk 09:54:41.71 -26:35:01.6 15 gr13 Classification: SN Ic before maximum (-5 days) at z~0.058

02:40 SN2017dft 10:57:32.05 -14:50:06.00 40 gr13 Follow-up: SN Ia 1991bg-like

03:20 SN2017cyy 09:36:36.30 -63:56:55 90 gr11+gr16 Follow-up: SN Ia

04:49 AT2017ddc 11:55:41.63 24:55:07.4 20+10 gr13 Classification: SN Ic??? at z~0.034

05:18 AT2017ddz 12:30:22.77 -20:43:50.5 25 gr13 Classification: SN Ia at 6 days from maximum (z~0.084)

05:43 AT2017cnu 13:49:08.14 -30:14:49 7 gr13 Classification: The target was not visible even when we doubled the exposure time.

05:51 SN2016blz 15:40:29.23 00:54:36.30 40 Photo gri Follow-up: SN II

06:28 AT2017dfl 17:38:34.84 01:25:14.3 20 gr13 Classification: Variable star

06:49 AT2017ddf 18:53:27.82 28:57:06.10 20 gr13 Classification: SN Ia at 13 days from maximum (z~0.075)

07:11 AT2017dek 20:25:44.71 -21:39:39.8 20+7 gr13 Classification: SN II (Uncertain phase).

07:35 LSQadm 20:14:21.8 -58:08:20.2 77 Phot gr Follow-up: SN Ia-csm

08:28 AT2016cvk 22:19:49.39 -40:40:03 60 gr16 Follow-up: SN IIn

09:29 AT2017ctt 15:30:01.98 14:57:22.1 23 gr13 Classification: SN Ia at >20 days from maximum (z~0.09).

09:52 AT2017cue 22:11:26.61 -18:21:52.7 15 gr13 Classification: SN Ia at >20 days from maximum (z~0.045)

10:10 AT2017dby 20:04:44.89 -09:56:08.6 15 gr13 Classification: SN Ia at a week past maximum (z~0.045)

10:25 End of the night