Classification certificate for object 2018amn
TNS Classification Report No. 1808 [ 2018TNSCR.405....1V ]

Date Received (UTC): 2018-03-27 17:49:53
Sender: ePESSTO (ePESSTO_Bot1)
Group: ePESSTO

Christian Vogl, Andreas Flörs, Stefan Taubenberger, Stefano Benetti, O. Yaron, N. Knezevic on behalf of ePESSTO report/s a classification of object: AT 2018amn

Type: Other

Remarks: ePESSTO observed the X-ray binary in outburst (and black hole candidate) MAXI J1820+070 (aka ASASSN-18ey, aka Gaia18as; ATel#11399, ATel#11400). Our spectrum, with a very blue continuum, shows H, N III 464.1, He II 468.6 and (weaker) He I lines in pure emission, and agrees with earlier descriptions in ATel #11424 and ATel #11425.

The following Classification spectrum was provided:

Obsdate: 2018-03-27 09:45:29
Instrument: EFOSC2-NTT
Telescope: The ESO New Technology Telescope

Details of the object and its spectra can be viewed here: https://wis-tns.weizmann.ac.il/object/2018amn