Quote:
Originally Posted by rtomes
Yes, that was my conclusion that it couldn't be complete to mag 12 but only to about mag 9. It looks to me like known closer stars (maybe based on spectral type or HR position or something like that) have been included to mag 12.
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Nope. Neither is it complete to V~9. Keep trying. It's a bit more complicated than you might think.
Quote:
Originally Posted by rtomes
The lower left slope is correct for the dimming of stars as 1/distance^2.
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Why? Give me a bit more detail there... Also, Ari, this is all for your benefit as well.
Quote:
Originally Posted by rtomes
The horizontal top just means that there is a limit to closeness of all stars, but I am surprised that there are not more fainter stars than bright ones at the same parallax. (near the top)
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There's a reason for that. Remember, the magnitudes are apparent, not absolute.