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Night Report 2015-12-03

Observers : Laurent Le Guillou, Rémy Le Breton

Support team : Sylvain Baumont

TAT : Joe Anderson, Lluís Galbany


Some thin clouds (non photometric).

Clouds get thicker at the end of the night.


(times are in UT)


CALIBRATIONS :

 - Evening : EFOSC_bias, EFOSC_FlatSpec, EFOSC_SpecArc

             no flats, some thin clouds

 - Morning : no flats, clouds


SCIENCE OBSERVATIONS :


--- EFOSC ---


00:24 -- STD vma2 g11, g13, g16

00:50 -- classification OGLE15vk 
         type Ic (?) z~0.053

01:10 -- follow-up SN2014cx
         spectrum g13 (3x2700s)

03:50 -- follow-up PS15cwo
         g11 (1800s) + g16 (1800s)  

05:20 -- STD gd71 g11, g13, g16.

05:36 -- classification PS15cze
         SNIa z~0.044 age -9 (premax)

06:10 -- classification CSS121125-052126-165258
         Low S/N spectrum, contaminated by the galaxy?

06:40 -- classification PS15cyn
         SNIa z~0.065 age +5

07:17 -- classification OGLE15tt
         type II (?) low S/N.

Clouds are getting thicker.

07:55 -- classification PS15cyo
         Ib (??) z~0.04 low S/N due to the clouds.

08:30 -- STD LTT3864 g11, g13, g16.


CONCLUSIONS:
  - OGLE15vk: Ic (?) z~0.053
  - PS15cze:  Ia z~0.044 age -9 (premax)
  - CSS121125-052126-165258: Low S/N spectrum.
     - PS15cyn:  Ia z~0.065 age +5
  - OGLE15tt: type II (?) low S/N.
  - PS15cyo:  Ib (??) z~0.04 low S/N.

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