ASASSN-V J205543.90+240033.5: another white dwarf pulsar?

Taichi Kato

ASASSN-V J205543.90+240033.5: another white dwarf pulsar?

Solar and Stellar Astrophysics 2021-08-23 v1 High Energy Astrophysical Phenomena

Authors: Taichi Kato

Abstract

I found that ASASSN-V J205543.90+240033.5 shows large-amplitude (1.2-1.4 mag) nearly sinusoidal variations with a period of 10.803(2) d and very short period variations with a period of 0.0068 d using Public Data Release of Zwicky Transient Facility observations. The only known object that shows a similar combination of nearly sinusoidal reflection variations and very short period, large-amplitude variations is the unique white dwarf pulsar AR Sco. ASASSN-V J205543.90+240033.5 appears to be very similar to AR Sco and observations at various wavelengths are desired.

Keywords

white dwarf pulsar variable stars sinusoidal variations AR Sco ASASSN-V J205543.90+240033.5 Zwicky transient facility

Cite

@article{arxiv.2108.09060,
  title  = {ASASSN-V J205543.90+240033.5: another white dwarf pulsar?},
  author = {Taichi Kato},
  journal= {arXiv preprint arXiv:2108.09060},
  year   = {2021}
}

Comments

5 pages, 5 figures, to appear in VSOLJ Variable Star Bulletin

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