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7 July, 10:37

What are some physical properties of a star

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  1. 7 July, 11:44
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    Distance, how much energy generated in the star, size, temp, brightness
  2. 7 July, 13:20
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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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