RA/DEC (2000)
07:54:17.361 +14:16:24.01
118.572335789 +14.2733352632
Type
SN Ic
Redshift
0.0153
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2018-05-13 06:24:28.800
TNS AT
Y
Public
Y
Discovery Mag
18.896
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)
Spectra
▌SN_2018ltk - 2019-01-26 05:10:17 P200 / DBSP (ZTF)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)
Comments
Stephen Smartt (Queen's University Belfast)
Thu, 10/14/2021 - 20:09
2018ltk is a duplicate of
2018ltk is a duplicate of 2019abb.
The primary object is 2019abb. This object 2018ltk was registered by us late, having not been recognised by us until it was cross-matched with a ZTF object. But in doing so, I think it has been given a 2018 name because of a rogue data point in 2018, which has incorrectly been propogated as a discovery date 2018-05-13. This is confidently detected in ATLAS over many epochs, but the rogue data point in 2018 has caused the problem. It should be deprecated but the spectrum from DBSP should be associated with the object 2019abb, rather than being the classification spectrum for this spurious object called 2018ltk.