Observers:Philip Wiseman, Charlotte Angus
Support Team: Lizi Swann, Chris Frohmaier
TAT: Regis Cartier, Cristina Barbarino, Janet Chen
Calibrations: EFOSC2: Evening: Arcs, dome flats, bias, Sky flats UBVRi Morning: Arcs
Weather: Sunset: 22:20 UT, Twilight (end): 23.34 UT Morning Twilight (start): 10.03 UT, Sunrise: 11:17 UT
Start of night: Clear, low wind (~5 m/s). Seeing is gross - hovering just under 2" Middle of night: Still clear, conditions fairly stable but seeing still high (1.6-2") End of night: Weather still good, seeing still abysmal
Comments:
Observations: | UT | Target | Type | Setup | Airmass | Seeing | Exp time | Notes | | 23: 28 | SN2019cxt | Follow-up
| gr13 slit1.0 | 1.3 | " | - | Aborted - seeing too high | | 23:33 | SN2019gfm | Follow-up | gr13slit1.5 | 1.7 | " | - | Aborted - seeing too high, object not found in acquisition | | 23:37 | AT2019mrk | Classification | gr13slit1.5 | 1.9 | " | - | Aborted - transient not seen in 75s acquisition | | 23:42 | SN2019gbx | Follow-up | gr13slit1.5 | 1.5 | 1.9" | 1800s | Increased exposure time to compensate for shitty conditions. | | 00:21 | EG274 | STD | gr11+13+16 slit1.0+1.5 | 1.0 | 1.6" | | | | 00:45 | AT2019mhb | Classification | gr13slit1.5 | 1.45 | 2.0" | 1500s | Not clear - best fits seem to be to a noisy SN-Ia ? Pre max, z~0.1 | | 01:22 | AT2019mrn | Classification | gr13slit1.5 | 1.2 | 1.8" | 1500s | Maybe a SN-IIn, but maybe not? Spectrum is blue with narrow H-alpha but possibly still galaxy dominated- there's maybe some OII emission there too? | | 01:55 | ZTF19abiagjr | Classification | gr13slit1.5 | 1.3 | 1.5" | 1500s | AGN? Blue. Clear H-alpha, NII, H-beta at z~0.33. Possible broad feature at 4800A? | 02:33
03:21 | SN2019mry | Follow-up | gr13slit1.5 | 1.9
1.7 | 2.0"
2.0" | 2x2700s | Used g13 and increased exposure time as conditions are poor | | 04:13 | AT2019lwu | Follow-up | gr11slit1.5 | 1.4 | 1.6" | 1x2700s | | | 05:10 | EG131 | STD | gr11+13+16 slit1.0+1.5 | 1.2 | 2.2" | | | | 05:35 | AT2019mwl | Classification | | 1.05 |
| - | Aborted - target not seen in acquisition image | | 05:42 | AT2019mwa | Classification | gr13slit1.5 | 1.15 | 1.5" | 1500s | Looks like a Ia-norm at z=0.13, but fits to Ia-pec 2006gz are intriguing. | | 06:20 | AT2019mtz | Classification | gr13slit1.5 | 2.0 | 1.5" | 900s | Clearly there in acquisition and 2D trace, but 1D resembles galaxy at z=0.04
Wiggle at 4200? | | 06:40 | SN2019jyw | Follow-up | gr13slit1.0 | 1.2 | 1.4" | 1500s | | | 07:10 | AT2019mtw | Classification | gr13slit1.0 | 1.3 | 1.7" | 600s | AGN. Any sign of TDE or flare? Seems very blue now. Here's the 6df spectrum for reference http://www-wfau.roe.ac.uk/6dFGS/cgi-bin/show.cgi?release=dr3&targetname=g2025574-482226&tid=-1&specid=130495&ra=306.4890417&dec=-48.374 | | 07:30 | SN2019muj | Follow-up | gr11sl1.0+gr16sl1.0 | 1.3 | 1.5" | 1500s in each grism | | | 08:35 | Feige110 | STD | gr11+13+16 slit1.0+1.5 | 1.25 | 1.7" | | | | 08:59 | AT2019mfv | Classification | gr13slit1.5 | 1.0 | 1.5" | 900s | Looks like a Ia-norm at z=0.085, around max | | 09:21 | SN2019esa | Follow-up | gr13slit1.5 | 2.1 | 2.4" | 1x1500s | Used g13 as conditions are poor and object at high airmass | | 09:58 | AT2019mpp | Classification | gr13slit1.5 | 1.5 | 2.2" | 900s | Blue featureless continuum |
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