Classification certificate for object 2019is
TNS Classification Report No. 3420 [ 2019TNSCR..98....1T ]

Date Received (UTC): 2019-01-15 06:11:40
Sender: Mr. Michael Tucker
Group: SCAT

M A Tucker, A V Payne, A Do, M E Huber, B J Shappee (IfA UH Manoa) report/s a classification of object: AT 2019is

Type: CV

Remarks: Noisy blue spectrum with Halpha in emission, CaII H and Hbeta in absorption, and "filled core" HeI (narrow emission atop broad absorption). A coincident source in the PAnSTARRS stack object catalogue has g ~ 22.7, comparing this to the Lasair transient photometry indicates an outburst of > ~6.6 mag.

The following Classification spectrum was provided:

Obsdate: 2019-01-13 17:10:53
Instrument: SNIFS
Telescope: UH 88inch

Remarks: Reduced with a summit quick-reduction pipeline, care should be taken before re-using this data for future studies.

Details of the object and its spectra can be viewed here: https://wis-tns.weizmann.ac.il/object/2019is