Questions tagged [velocity]
Questions regarding the movement of an object at a given speed and direction, often related to the concepts of orbital velocity and escape velocity.
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How to find x-values of fourier-transformed correlation functions in velocity space?
I am trying to extract the kinematic parameters (rotation velocity, velocity dispersion, ...) of an elliptical galaxy by extracting the kinematical broadening function using the FCQ-Algortihm first ...
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How do I determine the velocity of Pluto at aphelion and perihelion?
I am a college astronomy student and I have to find the velocity of Pluto at aphelion and perihelion. I have found the distance of perihelion to be $1.96\times10^9$ km. Aphelion has a distance of $3....
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How to calculate orbital velocity of binary star?
I am trying to simulate the Alpha Centauri AB System. I built the simulation, it works flawlessly when trying to simulate our solar system, and I am now trying to simulate the AB System. I found all ...
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Deriving the Tully-Fisher relation from the virial theorem
So I know this is a loose proof and a lot of assumptions are made, but I do not understand how these assumptions lead to the quantities we obtain so I will be asking questions at each step:
start with ...
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How are CMB frame redshifts of galaxies corrected for coherent flows?
Say, if I downloaded the CMB frame redshifts of some galaxies from NED database, then what is the procedure to correct it for coherent flows?
I'm using the SNooPy(snpy) Python package to analyze some ...
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Integrating radial velocity with respect to time
I'm a highschool student who is writing a research paper about plotting Period-Luminosity graph of the Cepheid variables by deriving distance through independent method such as trigonometric parallax ...
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