Re: SPAM::Re: Rosetta fly by: about magnitudes

From: rfenske@swri.org
Date: Wed Mar 02 2005 - 19:16:33 EST

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In reply to: Bram Dorreman: "Re: Rosetta fly by: about magnitudes"
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In Ted's equation:

mag = 32.17 + 5 * log10("delta") + 0.01 * ("S-T-O" - 90), +/- 2

replace the 32.17 with -8.7 to be able to use the "delta" in km:

mag = -8.7 + 5 * log10("delta km") + 0.01 * ("S-T-O" - 90), +/- 2

On Wed, 2 Mar 2005, Bram Dorreman wrote:

> Before I received these replies I recalculated my topocentric predictions so
> that distance unit is km. What would be the formula when "delta" unit is km?

Robert Fenske, Jr.   rfenske@swri.edu    Sw     |The Taming the C*sm*s series:
Southwest Research Institute            /R---\  |
Signal Exploitation & Geolocation Div  | I    | |"The Martian canals were the
San Antonio,Texas USA  ph:210-522-3931  \----/  | Martians' last ditch effort."

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