Modeling Binary Systems Containing the Hot White Dwarfs WD1136+667 and Gaia-DR2-1350

Bibcode
2024AAS...24336704W
Wood, Hunter; Hillwig, Todd; Reindl, Nicole; Jones, David
Bibliographical reference

American Astronomical Society Meeting Abstracts

Advertised on:
2
2024
Number of authors
4
IAC number of authors
1
Citations
0
Refereed citations
0
Description
In this study, we look specifically at binary white dwarfs where the companion is a main sequence star. In particular, we look at very hot white dwarfs, many of which demonstrate the "hydrogen problem" in which modeling of their hydrogen absorption features, and optical features in general, do not appear to give accurate temperatures. The two systems presented in this study, WD1136+667 and Gaia-DR2-3150, were modeled using the PHOEBE code to determine the masses, radii, and temperatures of the two stars along with the inclination of the binary and stellar separation. While these models are integral as a first step in our understanding, this is only the first step of a more extensive FUV Hubble Space Telescope program examining very hot white dwarfs. One goal is to compare temperatures determined from UV spectra to those determined kinematically from binary models such as the preliminary models presented here.
Type
Non-refereed

It may interest you

  • Non-refereed
    Workshop summary: Kaons@CERN 2023

    Kaon physics is at a turning point - while the rare-kaon experiments NA62 and KOTO are in full swing, the end of their lifetime is approaching and the future experimental landscape needs to be defined. With HIKE, KOTO-II and LHCb-Phase-II on the table and under scrutiny, it is a very good moment in time to take stock and contemplate about the

    Anzivino, G. et al.

    Advertised on:

    4
    2024
    Bibcode
    2024EPJC...84..377A
    Citations
    0
  • Non-refereed
    Finding Water Worlds with Transit Timing Variations

    Models predict that planets with water-rich compositions may be common around low-mass stars, but definitive evidence for the existence of water worlds has remained elusive. Precise mass and radius measurements for small planets allow us to identify candidate water worlds that have bulk densities too low to be consistent with a rocky composition

    Greklek-McKeon, Michael et al.

    Advertised on:

    4
    2024
    Bibcode
    2024ESS.....560502G
    Citations
    0
  • Non-refereed
    Nodal Precession of a Hot Jupiter Transiting the Edge of a Late A-Type Star TOI-1518

    TOI-1518b, a hot Jupiter around a late A-type star, is one of the few planetary systems that transit the edge of the stellar surface (the impact parameter b~0.9) among hot Jupiters around hot stars (Cabot et al. 2021). The host star's high rotation speed (Vsini s~85 km s -1) and the planet's nearly polar orbit (λ~120 deg) may cause a nodal

    Watanabe, Noriharu et al.

    Advertised on:

    4
    2024
    Bibcode
    2024ESS.....561705W
    Citations
    0