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