TNS Classification Report No. 2922 [ 2018TNSCR1638....1L ]
Date Received (UTC): 2018-10-26 22:00:34 Sender: Robin Leadbeater
Group: None
Robin Leadbeater report/s a classification of object: SN 2018hna
Type: SN IIRedshift: 0.002408
Remarks: Spectrum shows broad Balmer P Cygni shape lines with absorption components at ~15000km/s consistent with a type II supernova, though the subtype is unclear. An example match to a type IIb using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) is attached. Redshift quoted is of the suggested host from NED
The following Classification spectrum was provided:
Obsdate: 2018-10-26 18:45:52
Instrument: Other
Telescope: Other
Remarks: //www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2018hna
Date Received (UTC): 2018-10-26 22:00:34 Sender: Robin Leadbeater
Group: None
Robin Leadbeater report/s a classification of object: SN 2018hna
Type: SN IIRedshift: 0.002408
Remarks: Spectrum shows broad Balmer P Cygni shape lines with absorption components at ~15000km/s consistent with a type II supernova, though the subtype is unclear. An example match to a type IIb using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) is attached. Redshift quoted is of the suggested host from NED
The following Classification spectrum was provided:
Obsdate: 2018-10-26 18:45:52
Instrument: Other
Telescope: Other
Remarks: //www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2018hna