Night report 2013-12-02

Observers: Michel Dennefeld, Joe Lyman, David Bersier TO: Ariel Sanchez

Support team: J Maund

TAT on duty: Andrea Pastorello, Annalisa de Cia

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Instruments: EFOSC2.

WEATHER CONDITIONS

beginning: wind speed 12 m/s; humidity 20 % ; thin clouds

middle: wind speed 10 m/s; humidity 6 %; clear

end: wind speed 11 m/s; humidity 9 %; clear

Afternoon CALIBRATIONS: EFOSC2 bias, arcs, dome flats

OBSERVATIONS: start regularly at sunset. Sunset at UT23:37, start of night at UT01:02

Evening sky flats: BR but clouds!

Target Type UT Filt/Gm Slit Grade Comments

OGLE-2013-SN-129 Class 00:39 g13 1 A/B started before astronomical twilight. Seeing 1.4". Ia +10d, z~0.08

CSS121015 Follow 01:05 g13 1.5 B

PSNJ01591443+1901339 Follow 01:52 ri - A/B wind close to 12 m/s

strong wind, cannot point south

LSQ13dca Class 02:48 g13 1.5 A Ia near max, z~0.12, seeing ~1.2"

LSQ13diw Class 03:20 g13 1.5 A Ia (91T) near max, z=0.058 (from SNID fit and em line), seeing~1.4"

LSQ13dhy Class 03:46 g13 1.5 A Ia (91T) few days before max, z~0.2

PSNJ01462790-5840238 Follow 04:24 g11 1.5 A some clouds on the N and E, wind going down, seeing ~1.3", z=0.0075 from host em lines

OGLE-2013-SN-100 Follow 05:21 g13 1 B /C passing clouds. z=0.087 from em lines. SNID all over the place; stripped envelope?

SMTJ03054854-28503700 Class 06:30 g13 1 B/C passing clouds, z~0.054 from em lines, unclear

LSQ13ddu Follow 07:13 g11 1.5 A still strongly blue continuum, development of H/He features - IIb? No good match in SNID

Standard LTT 3864, start when Sun reaches -18 degrees

Arcs only, no sky flats (cirrus around at dawn but zenith clear)

Morning calibrations: Spectro-Dome Flats, + Arcs