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A Star Is Born is a 2018 American musical romantic drama produced and directed by Bradley Cooper (in his directorial debut) with a screenplay by Cooper, Eric Roth and Will Fetters. It stars Cooper and Lady Gaga in lead roles, with Dave Chappelle , Andrew Dice Clay and Sam Elliott in supporting roles.
Luminosity is an absolute measure of radiated electromagnetic energy per unit time, and is synonymous with the radiant power emitted by a light-emitting object. [1] [2] In astronomy, luminosity is the total amount of electromagnetic energy emitted per unit of time by a star, galaxy, or other astronomical objects. [3] [4]
A Star Is Born is a 1976 American musical romantic drama film directed by Frank Pierson, written by Pierson, John Gregory Dunne, and Joan Didion. It stars Barbra Streisand as an unknown singer and Kris Kristofferson as an established rock and roll star.
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Photographic magnitude (m ph or m p) is a measure of the relative brightness of a star or other astronomical object as imaged on a photographic film emulsion with a camera attached to a telescope. An object's apparent photographic magnitude depends on its intrinsic luminosity , its distance and any extinction of light by interstellar matter ...
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Before Lady Gaga and Bradley Cooper starred as Ally and Jackson in the 2018 "A Star is Born," there were Esther and John. Barbra Streisand and Kris Kristofferson played the iconic lovers in 1976 ...
L ★ is the star's luminosity (bolometric luminosity) in watts; L 0 is the zero point luminosity 3.0128 × 10 28 W; M bol is the bolometric magnitude of the star; The new IAU absolute magnitude scale permanently disconnects the scale from the variable Sun.