Dan Brown was born June 22, 1964 in France.
Tau6 Eridani -LRB- τ6 Eri -RRB- is a star in the constellation Eridanus .. Eridanus. Eridanus ( constellation ). star. star. constellation. constellation. It has an apparent visual magnitude of 4.22 , which is bright enough to be seen with the naked eye .. apparent visual magnitude. apparent visual magnitude. Based upon parallax measurements , the distance to this star is around 57.5 light years .. star. star. parallax. stellar parallax. The spectrum of Tau6 Eridani matches a stellar classification of F5IV-V , indicating it is an F-type star that shows traits of both a main sequence star and a subgiant .. star. star. spectrum. spectrum. stellar classification. stellar classification. F-type star. F-type star. main sequence. main sequence. subgiant. subgiant. It has an estimated 135 % of the Sun 's mass and about 1.6 time the radius of the Sun .. The effective temperature of the outer atmosphere is 6,508 K and it does not display any surface magnetic activity .. effective temperature. effective temperature. outer atmosphere. stellar atmosphere. magnetic activity. magnetic activity. The star has been examined for infrared excess emission that could indicate the presence of circumstellar matter , but none has been detected .. star. star. infrared excess. infrared excess. circumstellar matter. circumstellar disk