The Lowest Mass White Dwarf

@article{Kilic2007TheLM,
  title={The Lowest Mass White Dwarf},
  author={Mukremin Kilic and Carlos Allende Prieto and Warren R. Brown and Detlev Koester},
  journal={The Astrophysical Journal},
  year={2007},
  volume={660},
  pages={1451-1461}
}
Extremelylow mass whitedwarfs areveryrareobjectslikelyformed incompactbinary systems.WepresentMMT opticalspectroscopyof 42low-masswhitedwarfcandidatesserendipitously discoveredinasurveyforhypervelocity B-type stars. One of these objects, SDSS J0917+46, has TeA ¼11;288 � 72 K and log g ¼ 5:48 � 0:03; with an estimated mass of 0.17 M� , it is the lowest gravity/mass white dwarf currently known. However, 40 of the low-mass candidates are normal DAwhite dwarfs with apparently inaccurate SDSS g… Expand
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