Precise photometry of 51 Peg systems with MOST

Details Precise photometry of 51 Peg systems with MOST Precise photometry of 51 Peg systems with MOST

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006tafp.conf..267w&link_type=abstract

"Tenth Anniversary of 51 Peg-b: Status of and prospects for hot Jupiter studies. Colloquium held at Observatoire de Haute Proven

Physics

8

Scientific paper

Four 51 Peg systems have been monitored with the MOST (Microvariability & Oscillations of STars) photometric satellite. τ Boo, HD179949 and 51 Peg each show strong evidence of activity or brightness increases induced on the hemisphere facing their respective planets. HD209458 shows no significant variations phased to its planetary orbit but we set a 1 σ limit of 0.053 mmag to the depth of the secondary eclipse corresponding to a geometrical albedo of 0.25 which is significantly lower than for Jupiter.

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