PHYS 3154 Observational Astrophysics: Coordinate Epochs

j2000 slot   idcash88 The current standard epoch of equatorial coordinates is J2000.0 which refers to the RA and Dec of an object on 2000 Jan 1 12UT also called 2000 Jan 1.5 = noon time UT on January 1, 2000. This is a Julian epoch, denoted by the "J"

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