The Chaperone (film) is a 2011 film.
Tau1 Aquarii -LRB- τ1 Aqr , τ1 Aquarii -RRB- is the Bayer designation for a star in the equatorial constellation of Aquarius .. Bayer designation. Bayer designation. Aquarius. Aquarius ( constellation ). star. star. equatorial. celestial equator. constellation. constellation. With an apparent visual magnitude of 5.66 , it is a faint naked eye that requires dark suburban skies for viewing .. apparent visual magnitude. apparent visual magnitude. requires dark suburban skies. Bortle Dark-Sky Scale. Parallax measurements made during the Hipparcos mission yield a distance estimate of roughly 320 ly from Earth .. Parallax. Parallax. Hipparcos. Hipparcos. τ1 Aquarii has a stellar classification of B9 V ; right along the borderline between a B - and A-type main sequence star .. star. star. stellar classification. stellar classification. A-type main sequence star. A-type main sequence star. It is around 100 million years old and has twice the Sun 's radius .. When examined in the infrared band , it displays an excess emission that is a characteristic of stars with an orbiting debris disk .. debris disk. debris disk. Indeed , the model that best fits the data suggests there are two concentric circumstellar disks .