Optical light curve of nova KT Eridani

W. P. Chen, L. W. Hung, Fred Walter

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present the optical light curve of the very fast nova, KT Eridani, from its outburst in November 2009 to quiescence in 2012. Comparison of our data with the 24-hour monitoring by Swift on 2010 March 31 indicates a possible anticorrelation between the X-ray and optical emissions. A period of 57 d is found in the long-term optical light curve, which we interpret as the orbital modulation of the hot spot on the white dwarf disk accreting material from an early K-type giant. Our study lends support to the notation that KT Eri may be a recurrent nova.

Original languageEnglish
Title of host publicationFeeding Compact Objects
Subtitle of host publicationAccretion on All Scales
EditorsChengmin Zhang, Tomaso Belloni, Mariano Mendez, Shuangnan Zhang
Pages191-192
Number of pages2
EditionS290
DOIs
StatePublished - Aug 2012

Publication series

NameProceedings of the International Astronomical Union
NumberS290
Volume8
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221

Keywords

  • Accretion disks
  • binaries: close
  • novae
  • white dwarfs
  • X-rays: binaries

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