Spectrophotometry of Cool White Dwarfs -- Repeat for HOPR#0003

Details Spectrophotometry of Cool White Dwarfs -- Repeat for HOPR#0003 Spectrophotometry of Cool White Dwarfs -- Repeat for HOPR#0003

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.3897a&link_type=abstract

HST Proposal ID #3897

Astronomy and Astrophysics

Astrophysics

Hst Proposal Id #3897 Stellar Astrophysics

Scientific paper

Ultraviolet spectrophotometry will be used to determine whether the ultraviolet blanketing of the coolest DA, DC and DK degenerate stars differ due to the presence of molecular hydrogen and/or heavy metallic elements and/or carbon and whether the coolest DC-DK stars have hydrogen-rich atmospheres. The second question may hold implications for the apparent "cut-off" in the white dwarf luminosity function at Log L/L(sun) = -4, the disk star formation history and age.

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