Evolved solar systems in Praesepe

Details Evolved solar systems in Praesepe Evolved solar systems in Praesepe

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1273..457c&link_type=abstract

17TH EUROPEAN WHITE DWARF WORKSHOP. AIP Conference Proceedings, Volume 1273, pp. 457-460 (2010).

Astronomy and Astrophysics

Astronomy

Photometry, White Dwarfs, Astrometry, Brightness, Photometric, Polarimetric, And Spectroscopic Instrumentation, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae, Astrometry And Reference Systems, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification

Scientific paper

We have obtained near-IR photometry for the 11 Praesepe white dwarfs, to search for an excess indicative of a dusty debris disk. All the white dwarfs are in the DAZ temperature regime, however we find no indications of a disk around any white dwarf. We have, however determined that the radial velocity variable white dwarf WD0837+185 could have an unresolved T8 dwarf companion that would not be seen as a near-IR excess.

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