Imaging Planets around White Dwarfs; First Results

Details Imaging Planets around White Dwarfs; First Results Imaging Planets around White Dwarfs; First Results

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..321...76c&link_type=abstract

Extrasolar Planets: Today and Tomorrow, ASP Conference Proceedings, Vol. 321, held 30 June - 4 July 2003, Institut D'Astrophysiq

Astronomy and Astrophysics

Astrophysics

3

Scientific paper

In 2001 we began a project to image planets and brown dwarfs orbiting around nearby white dwarfs. Our technique is to obtain two deep near infrared images (J˜24) of white dwarfs to search for faint cool companions. The images are separated by ≥1 yr, allowing the identification of companions by virtue of common proper motion with the white dwarf. To date (mid-2003), twenty-four white dwarfs have been observed once (``1st epoch'') and one has been observed twice (``2nd-epoch''). Here we give an overview of the project including a preliminary analysis of the one object around which we can search for proper common motion companions.

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