3D MODEL ATMOSPHERES FOR EXTREMELY LOW-MASS WHITE DWARFS
3D MODEL ATMOSPHERES FOR EXTREMELY LOW-MASS WHITE DWARFS
We present an extended grid of mean three-dimensional (3D) spectra for low-mass, pure-hydrogen atmosphere DA white dwarfs (WDs). We use CO5BOLD radiation-hydrodynamics 3D simulations covering Teff = 6000-11,500 K and logg = 5-6.5 (cgs units) to derive analytical functions to convert spectroscopically determined 1D temperatures and surface gravities to 3D …