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Night Report 2021-01-07

Observers: James Gillanders, Shubham Srivastav
Support: Michael Fulton, Luke Shingles
TAT: Claudia Gutierrez, Simon Prentice
EFOSC2 Calibrations:
Spectroscopic arcs
Biases

Weather:
Start: humidity 47% wind 2.5 m/s
Middle: humidity 51% wind 3.9 m/s
End: humidity 53% wind 5.8 m/s

Comments:

 UT Target Type Setup Slit Exposure[s] Airmass Seeing["] Notes
 00:50 AT2020adeq classification Gr13 1 600 1.2 1.2 SN Ia week or two after max. SNID suggests z ~ 0.06.
 01:05 GD71 standard Gr11, 13, 16 1, 1.5 900 1.8 1.6 
 01:24 AT2021nv classification Gr13 1.5 900 1.8 1.7 Pre-max Ia. Known host z = 0.029. Good match with SN2003du at -10d.
 01:47 AT2021nu classification Gr13 1 900 1.8 1.3 SN Ib/c? H alpha from host consistent with known host z = 0.044. 
 02:08 AT2021lm classification Gr13 1 900 1.7 1.0 SN I? SNID favours Ia at z ~ 0.12.
 02:30 Image Analysis      1.0 
 02:55 AT2020adhg (ATLAS20birn) classification Gr13 1 600 1.4 1.3 SN Ia past max. H alpha from host implies z = 0.074.
 03:11 AT2021ek classification Gr13 1 900 1.3 1.0 SLSN-I? Broad features in the blue region (O II?). H alpha from host implies z = 0.193. At this distance, ZTF light curve implies M_g ~ -21 and slowly rising.
 03:35 AT2021mj classification Gr13 1 600 1.3 1.0 Normal Ia pre-max. z ~ 0.04 from SNID.
 03:53 ZTF20acwondx classification  Gr13 1 900 1.3 1.4 Nuclear transient. z = 0.073 from H alpha and H beta. Consistent with galaxy spectrum?
 04:16 AT2021nf classification Gr13 1 900 1.1 0.8 SN II. No host redshift, z ~ 0.03 from SNID.
 04:42 L745A standard Gr11, 13, 16 1, 1.5 900 1.0 0.9 
 05:05 SN2021dn followup Gr11, 16 1 1500, 1500 1.7 0.9 
 06:15 AT2021ab classification Gr13 1 600 1.1 0.7 SN Ia around max. z ~ 0.07 from SNID.
 06:35 SN2020acat followup Gr11, 16 1 1500, 1500   
 07:44 L745A standard Gr11, 13, 16 1, 1.5 900 1.3 0.9 
 08:04 AT2021mf classification Gr13 1 300 1.2 0.9 Ia. z~0.027 from SNID.
 08:12 AT2021pl (ZTF21aaahuox) classification Gr13 1 600 1.4 0.8 Ia around max. z ~ 0.07 from SNID.
 08:34 AT2019aair (ATLAS20bjoz) classification Gr13 1 600 1.3 0.8 Blue continuum. z = 0.051 from host lines, consistent with known redshift on NED.
         
         
         
         
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