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Night report 2021-01-13

Observers:   Ken Smith, Michael Fulton
Support:  Shubham Srivastav, James Gillanders
TAT:  Sheng Yang, Cristina Barbarino and Janet Chen

EFOSC2 Calibrations:
Spectroscopic dome flats + arcs (afternoon)
Spectroscopic arcs (morning)
Biases (afternoon & morning)
 
Weather:
Start: humidity 29% wind 1.9 m/s
Middle: humidity 12% wind 1.6 m/s
End: humidity 6% wind 2.0 m/s

Comments:

UT Target Type Setup Slit Exposure [s] Airmass Seeing ["] Notes
00:47AT2021aduClassificationGR131600 1.2 1.1SN Ia around 1 week before max. SNID redshift of z = 0.05 consistent with known host redshift z = 0.053.
01:00IMAGE ANALYSIS      Performed Image Analysis on target SN2021pc.
01:16 SN2021pc Follow-up GR11+GR16 1 2x1500 1.5 1.1
02:17 GD71 STD GR11/GR13/GR16 1 4x100 1.4 0.9
02:34 AT2019qiz Follow-up GR11 1 2700 1.1 0.9 Splitting this request over multiple nights. Performing the first part: 2x2700s in GR11.
03:28 AT2019qiz Follow-up GR11 1 2700 1.2 1.2
04:17 SN2020adow Follow-up GR11+GR16 1 2x900 2.0 1.2
05:04 ZTF21aabwvaw Classification


Aborted OB. Could not spot the target in the acquisition image. Orphan ZTF object - might be a slow mover.
05:11AT2021adtClassificationGR1319001.31.1SN Ia around peak. SNID redshift of z = 0.07. Galaxy lines suggest a redshift ~ z = 0.072?
05:34 L745a STD GR11/GR13/GR16 1 4x100 1.0 1.1
05:52 SN2020acat Follow-up GR11+GR16 1 2x900 1.5 1.3
06:36 SN2021zj Follow-up GR11 1 1800 2.2 1.3
07:15 SN2021zj Follow-up GR16 1 1800 2.0 1.3
08:00 L745a STD GR11/GR13/GR16 1 4x100 1.4 1.1
08:15 AT2021acx Classification GR13 1 900 1.8 1.5 Difficult to pinpoint target exactly in the acquisition image, due to the clustered nature of the galaxy group (smallest galaxy is right beside target position). Make sure aperture is right on the 450-marker when extracting. The galaxy group has a known redshift z ~ 0.14. Able to get SN Ia around peak? at redshift z = 0.135 which is consistent with host(s).
08:40AT2021adsClassificationGR1311801.11.4SN Ia around peak. SNID redshift of z = 0.012 which is consistent with known host redshift z = 0.013.

Comments