Claim: The Gliese 806 is a red dward star that possibly holds a host to a substellar which exists within the constellation of Cygnus and has a temperature of 3540 K.
Evidence: Gliese 806 is a red dwarf star in the constellation of Cygnus, located roughly 41 light years from the Sun. The star is suspected to host a substellar companion yet unconfirmed. Temperature 3540 K