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Night Report 2014-11-12

Observers: Mathew Smith, Rob Firth & Georgios Dimitriadis
TAT: Kate Maguire, Lluís Galbany

Photometric night - clouds on the horizon and seeing ~1.0". 

12 Nov: EFOSC2 night - focussing on spectroscopy. Full details can be found here: https://docs.google.com/document/d/1yz5Jf_IHjd254sVu43XVsEjQ8WAnBu8pSSfesGyaPt8

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CALIBRATIONS: 
    - 19:30UT - we have control of the telescope! The weather looks fairly reasonable - no overhead clouds
                                        - NOTE that ROSETTA successfully landed on a comet this afternoon!
    - 20:00UT - 2x PESSTO_bias & 1x PESSTO_calib
                     - We have checked and the slit is located at Y=991 (for the 1" slit). 
                     - We've also checked and the slits and grisms are properly aligned
    - 21:15UT - The telescope start-up begins

PRE-OBSERVATIONS:
    - 23:20UT - Sunset
    - 23:25UT - Skyflats UVi  (BR is attempted but aborted - stars in the image)
    - 00:10UT - STANDARD: Feige 110: Seeing 0.9", Airmass 1.1. The weather looks good
    - 00:30UT - Focussing and image analysis

SCIENCE-OBSERVATIONS:
    - 01:00UT - ASASSN-14jb: gm11 for 1500s: Seeing 1.1" (from image) Airmass: 1.04
    - 01:30UT - LSQ14fxj: gm11 for 2x2700s & gm16 for 2x2700s - 3hours total: Seeing 0.9" Airmass 1.45 (and rising)  
                                    - Due to an oversight, gm16 is done without a OB filter and the flats for gm16 are done in a separate OB (also without an OB filter).
                                    - There is a clear trace in the gm11 spectra and it's also in gm16 (albeit fainter). 
    - 05:00UT - LSQ14gcs: gm13 for 1500s: Seeing 0.9" Airmass 1.25
    - 05:45UT - LSQ14gcj: gm13 for 900s: Seeing 0.8" Airmass 1.10
    - 06:00UT - LSQ14gci: gm13 for 900s: Seeing 0.8" Airmass 1.11
    - 06:30UT - STANDARD: L745a (including a slit=1.0, gr16+no filter for use with LSQfxj): Seeing 0.8" Airmass 1.15
    - 07:00UT - ASASSN-14ha: gm11 for 1800s & gm16 for 1200s: Seeing 1.0" Airmass 1.16
    - 08:05UT - LSQ14gch: gm13 for 1500s: Seeing 0.7: Airmass 1.3
POST-OBSERVATIONS:
    - 08:45UT - STANDARD: L745a (including a slit=1.0, gr16+no filter for use with LSQfxj): Seeing 0.8" Airmass 1.15
    - 09:10UT - Skyflats in B&R

END OF THE NIGHT
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SCIENCE-CONCLUSIONS:
    - ASASSN-14jb:   FOLLOW-UP:        SN IIP @ z=0.006 @ +9 days (SNID)
    - LSQ14fxj:          FOLLOW-UP:        Unclear - there are clear wiggles, but we cannot conclusively type it. 
    - LSQ14gcs:         CLASSIFICATION:  SN Ia @ z=0.16 @ -6 days (SNID)
    - LSQ14gcj:          CLASSIFICATION:  SN Ia @ z=0.038 @ max (SNID)
    - LSQ14gci:          CLASSIFICATION:  SN Ia @ z=0.07 @ +10 (SNID)
    - ASASSN-14ha:   FOLLOW-UP:         SN IIP @ z=0.007 @ +30 days (SNID)
    - LSQ14gch:         CLASSIFICATION:  SN Ia @ z=0.158 @ -2 days (SNID)
    
    ATEL SUBMITTED FOR LSQ14gcs, LSQ14gcj, LSQ14gci, LSQ14gch (http://www.astronomerstelegram.org/?read=6695)

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MESSAGE FROM STEPHEN - KEPT FOR LATER IN THE RUN:
Note to observers - when conditions allow, do the imaging for SN2013hx with the OB below. This dithers between frames, and we want to test the fringe removal in i-band in particular with deep imaging. 
ċ
Photometry_gri_2013hx_dither.obx
(3k)
Stephen Smartt,
11 Nov 2014, 02:02
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