Night Report 2017-10-11

Observers: Erkki Kankare, David O'Neill

TAT: Janet Chen, Lluís Galbany

Support Team: Mark Magee

Subrun night: 1.3

Instruments: EFOSC2

*** WEATHER CONDITIONS

Night Humidity Wind speed Sky

beg. 64% 11 m/s clear

mid. 65% 12 m/s Thin clouds

end. 67% 12 m/s clear

*** CALIBRATIONS

EFOSC2 bias

EFOSC2 spectroscopic arcs

EFOSC2 sky flats (B & R)

*** LOG

Target Type UT Filter/Grism Slit Seeing Airmass Comments

EG131 standard 23:40 g11,g13,g16 1.0",1.5" 1.7" 1.1

Gaia17cke classification 00:10 g13 1.5" 2.5" 1.4 Stellar, Strong H-alpha and Ca II.

ATLAS17lzl classification 00:50 g13 1.5" 1.8" 1.2 Noisy blue continuum.

AT2017bzc follow up 01:00 g11,g16 1.5" 2.0" 1.0

AT2017hgz classification 03:45 g13 1.5" 2.8" 1.2 Type Ia, at max.

ATLAS17lwk classification 03:55 g13 1.5" 2.1" 1.1 Type II.

AT2017lyt classification 04:20 g13 1.5" 2.4" 1.1 Type IIn.

Feige110 standard 04:35 g11,g16,g13 1.0",1.5" 2.0" 1.3

Gaia17cno classification 05:00 g13 1.5" 2.1" 1.1 Type Ia, +8 to +10d.

AT2017hbc classification 05:20 g13 1.5" 2.1" 1.3 Blue continuum, host lines.

AT2017hct classification 05:40 g13 1.5" 1.6" 1.3 Spectrum lost due to clouds?

AT2017hdn classification 06:05 g13 1.5" 1.9" 1.2 Type Ia, at max.

AT2017hcx classification 06:20 g13 1.5" 1.6" 1.0 Type Ia, +4d to +7d.

AT2017gso classification 06:40 g13 1.5" 1.7" 1.8 Blue continuum, host lines.

GRB171010A follow up 06:55 g13 1.5" 1.5" 1.1

AT2017hbv classification 08:20 g13 1.5" 1.4" 1.1 Type Ia, +8d to +10d.

Gaia17coc classification 08:45 g13 1.5" 1.5" 1.1 red source.

L745a standard 09:10 g11,g16,g13 1.5" 1.6" 1.1