Night Report 2014-12-21

Observers: Pierre-François Léget, Nicolas Chotard & Marine Ducrot

TAT: Joe Anderson & Annalisa de Cia

23:30UT : There is an electronic problem with EFOSC, and we can only use SOFI tonight.

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CALIBRATIONS:

- 23:55UT: Sunset

PRE-OBSERVATIONS:

- 00:30UT: Focusing and image analysis

SCIENCE-OBSERVATIONS:

SOFI observations

- 00:35UT: ASASSN-14jb JHK photometry. Airmass 1.55 Seeing 0.8"

- 01:15UT: ASASSN-14il BG+RG spectra. Airmass ~1.7 (1.14, 2.16) Seeing ~1.0 (0.9", 1.06")

- 03:55UT: Hip003559 Telluric standar. Airmass 2.24 Seeing 1.48"

- 04:00UT: ASASSN-14il JHK photometry. Airmass ~2.55 (2.28, 2.76) Seeing ~1.3 (1.09", 1.48")

- 04:20UT: GD71 Flux standard. Airmass 1.42 Seeing 1.0"

- 04:35UT: PESSTOESO154-G10 BG spectra. Airmass 1.56 (1.36, 1.76) Seeing ~0.9 (0.85", 0.92")

- 06:10UT: Hip013515 Telluric standard. Airmass 1.74 Seeing 0.92"

- 06:15UT: PSNJ09204691-0803340 JHK photometry. Airmass 1.19 Seeing 0.99"

- 06:25UT:ASASSN-14ha BG+RG spectra. Airmass 1.41 Seeing 0.94"

- 07:35UT: Hip020552 Telluric standard. Airmass 1.70 Seeing 1.05"

- 07:40UT: ASASSN-14ha JHK photometry. Airmass 1.75 Seeing 1.05"

- 07:55UT: ASASSN-14ko JHK photometry. Airmass 1.46 Seeing 0.88"

POST-OBSERVATIONS:

SCIENCE-CONCLUSIONS:

with SOFI:

ASASSN-14jb JHK photometry.

ASASSN-14il BG+RG spectra

ASASSN-14il JHK

PESSTOESO154-G10 BG spectra

PSNJ09204691-0803340 JHK photometry

ASASSN-14ha BG+RG spectra

ASASSN-14ha JHK photometry

ASASSN-14ko JHK photometry