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The Nova KT Eri Is a Recurrent Nova With a Recurrence Time-Scale of 40-50 Years
Bradley E. Schaefer, Frederick M. Walter, Rebekah Hounsell +1
KT Eridani was a very fast nova in 2009 peaking at V=5.42 mag. We marshal large data sets of photometry to finally work out the nature of KT Eri. From the TESS light curve, as conf…
Comprehensive Catalogue of the Overall Best Distances and Properties of 402 Galactic Novae
Bradley E. Schaefer
I derive the overall best distances for all 402 known galactic novae, and I collect their many properties. The centrepiece is the 74 novae with accurate parallaxes from the new Gai…
Comprehensive Listing of 156 Reliable Orbital Periods for Novae, Including 49 New Periods
Bradley E. Schaefer
I report on a large-scale search for the orbital periods (P) of most known nova systems, by looking for significant, coherent, and stable optical photometric modulation in two or m…
The Recurrent Nova U Scorpii from the 2010.1 to 2022.4 Eruptions; the Missed Eruption of 2016.78 +- 0.10 and the Critical Complex Period Changes
Bradley E. Schaefer
U Sco is a recurrent nova with eleven observed eruptions, most recently in 2010.1 and 2022.4. I report on my program (running since 1989) of measuring eclipse times and brightnesse…
Discovery of Extreme, Roughly-Daily Superflares on the Recurrent Nova V2487 Oph
Bradley E. Schaefer, Ashley Pagnotta, Seth Zoppelt
V2487 Oph is a recurrent nova with detected eruptions in 1900 and 1998. Startlingly, V2487 Oph shows flares, called `Superflares', with up to 1.10 mag amplitude, fast rises of unde…