What property of an extrasolar planet can be determined directly from the Doppler effect data shown in the figure below? What other properties of the planet can then be determined? 
Definitions:
Rayon
A semi-synthetic fiber made from regenerated cellulose, used in a wide variety of textiles and clothing.
Carboxylic Acid
Organic acids characterized by the presence of at least one carboxyl group, playing significant roles in biochemistry and industry.
Amine End
The part of an amine molecule where the nitrogen atom is located, often involved in bonding due to its lone pair of electrons.
Asn
A symbol representing the amino acid asparagine, which is crucial in the biosynthesis of proteins.
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