Tags: Star.
HD 170657 is a star in the constellation Sagittarius. It is located at a distance of about 43 light years. It has 0.79 solar masses and is a suspected variable star that varies in apparent magnitude from 6.82−6.88.When observed with the Spitzer Space Telescope this star did not display an excess emission of infrared radiation which may otherwise indicate the presence of an orbiting debris disk.