Night Report 2015-12-04

Observers : Laurent Le Guillou, Rémy Le Breton

Support team : Sylvain Baumont

TAT : Joe Anderson, Lluís Galbany

Clear sky at sunset.

(times are in UT)

CALIBRATIONS :

- Evening : SOFI calibrations : Flat JHK, specflats, specArcs

EFOSC2_bias, EFOSC2_FlatSpec, EFOSC2_SpecArc

EFOSC2 sky flats: grz

- Morning :

SCIENCE OBSERVATIONS :

--- EFOSC2 ---

00:35 -- STD vma2 g11, g13, g16

Seeing 0.9"

00:50 -- follow-up LSQ15bfp

spectrum g13 (3x2700s)

A thin layer of clouds appears. No more photometric.

03:20 -- classification OGLE15sd

type Ia (?) low S/N

03:58 -- follow-up OGLE15qz

spectrum g11 (3x2700s)

Seeing 0.8". Still a very thin layer of clouds.

06:30 -- STD gd71 g11, g13, g16

06:50 -- follow-up PS15cww

spectrum g11 (2x1800s)

07:58 -- classification PS15dbd

type Ia +23d z~0.044

08:25 -- STD LTT3864 g11, g13, g16

CONCLUSIONS:

Classifications:

- OGLE15sd: type Ia (?) low S/N

- PS15dbd: type Ia +23d z~0.044