SIMBAD references

2013A&A...557A..38V - Astronomy and Astrophysics, volume 557A, 38-38 (2013/9-1)

Spectropolarimetric observations of cool DQ white dwarfs.


Abstract (from CDS):

Following our recent discovery of a new magnetic DQ white dwarf (WD) with CH molecular features, we report the results for the rest of the DQ WDs from our survey. We use high signal-to-noise spectropolarimetric data to search for magnetic fields in a sample of 11 objects. One object in our sample, WD1235+422, shows the signs of continuum circular polarization that is similar to some peculiar DQs with unidentified molecular absorption bands, but the low signal-to-noise ratio and spectral resolution of these data make more observations necessary to reveal the true nature of this object.

Abstract Copyright:

Journal keyword(s): molecular processes - white dwarfs - magnetic fields

Simbad objects: 22

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