Can the EXOSAT observations of DA white dwarfs be explained by layered atmospheric structures?

Details Can the EXOSAT observations of DA white dwarfs be explained by layered atmospheric structures? Can the EXOSAT observations of DA white dwarfs be explained by layered atmospheric structures?

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342..999k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 342, July 15, 1989, p. 999-1002.

Astronomy and Astrophysics

Astrophysics

47

Exosat Satellite, Stellar Atmospheres, White Dwarf Stars, Gas Mixtures, Helium, Hydrogen, Satellite Observation, Stellar Composition

Scientific paper

It is demonstrated that the Exosat broadband filter observations of DA white dwarfs, which have recently been interpreted with homogeneously mixed H/He atmospheres (Jordan et al, 1987; Paerels and Heise, 1989), can be explained with stratified theoretical models. In these models a very thin H layer is floating on top of the underlying He. The transition zone is determined by diffusive equilibrium. The resulting total hydrogen-layer masses are in the range (3-500) x 10 to the -16th solar mass. Several arguments are discussed that could lead to a decision about the correct interpretation, but a final answer is not possible.

Affiliated with

Also associated with

No associations

Rating

Can the EXOSAT observations of DA white dwarfs be explained by layered atmospheric structures? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Can the EXOSAT observations of DA white dwarfs be explained by layered atmospheric structures?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Can the EXOSAT observations of DA white dwarfs be explained by layered atmospheric structures? will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1703795