Sökning: "Hipparcos Astronomi Astronomy space research cosmic chemistry astrometry stellar astrophysics N-body"

Hittade 1 avhandling innehållade orden Hipparcos Astronomi Astronomy space research cosmic chemistry astrometry stellar astrophysics N-body.

1. 1. Radial Velocities Without Spectroscopy -Astrometric determination of stellar radial motion

   Författare :Søren Madsen; Astronomi; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Astronomi; Hipparcos; Astronomy; space research; cosmic chemistry; astrometry; stellar astrophysics; N-body simulations; Open clusters and associations; cluster kinematics and dynamics; rymdvetenskap; kosmisk kemi;

   Sammanfattning : This work demonstrates the determination of absolute stellar radial velocities from geometrical principles, i.e. using astrometry. Such `astrometric radial velocities' are obtained independently of spectroscopic information. LÄS MER