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3 March, 00:17

What are some physical properties of a star

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Answers (2)
  1. 3 March, 02:14
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    Distance, how much energy generated in the star, size, temp, brightness
  2. 3 March, 03:32
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    1. Apparent magnitude

    2. Colur Index

    3. Annual parallax/variation period if it is Cepheid variable/Red Shift

    4. Radial Velocity & Tangential Velocity

    Other quantities are derived from the above basic observational data.
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