If you google Parallax (Google will help, suggesting terms like Parallax Diagram, Parallax of Stars) or Stellar Parallax or Annual Parallax, you will find hundreds of public disinfo illustrations and discussions.
These sites will almost always tell you, truly, that Stellar Parallax is the change in apparent position of a nearby star, the change of angle with respect to the viewer and the background stars, that we see. [In particular, a century ago, from the displacement of the star image on a photographic plate, with respect to the background stars. To the extent that the difference was measureable, we could then make a rough estimate of the distance of the nearby star.]
The Covert Institutional websites will then tell you, again correctly, that to get a big enough parallax angle, big enough to be accurate to 2 or 3 significant digits (99 percent to 99.9 percent accurate) -- we need a very long baseline, distance, between the two different measurements. Hence the term VLBA, Very Long Baseline Astrometry. Astrometry meaning astronomical measurement.
Thus we understand, as these diagrams show, the concept of measuring the Parallax Angle from Earth at two different times, six months apart, from opposite ends of the Earth's orbit around the Sun. At a, seeming, distance of 2 AU, two Astronomical Units from each other. An AU is the distance from the Earth to the Sun, about 8.3 light minutes average. [1 light year = 525,949 light minutes. 1 Parsec = 3.26 light years.]
Now we begin to enter the realm of the Covert State waffle, the fluff, the disinformation management. Sometimes the more detailed Stellar Parallax Distance measurement descriptions will tell you that there are THREE (3) points here along which the measurements are taken: 1) the Earth, 2) the Target Star, whose distance we are measuring, and 3) the Background Star or Reference Star from which the Parallax angle change is measured. Less often, the Disinfo Literature will tell you, correctly, that this requires the Background Star or Reference Star be VERY distant, ten times or more distant than the Target Star. [This is in order that the Reference Star will have little or no discernable motion with respect to the Target Star; all the lateral relative motion between the Target Star and the Reference Star will be due to the apparent motion of the Target Star (and thus, allegedly, the motion of the Earth, the change in position of the two positions of the Earth six months apart)].
The final dumbing down, stupyfying, 'simplying', formula which they will relate is illustrated above.
D=1/P, Parallax in arcseconds, Distance in Parsecs.
After this, you have no Big Brother Gangster to guide you. You have only me, and your self! [If you are able to do simple (US high school level, Japanese junior high school level) math, algebra, geometry, trigonometry].
Look again at the illustrations above, and the one below. What is relevant in the measurement of the Parallax Angle: 1) from the Earth, 2) to the Target Star, 3) with respect to the Reference Star?
Only the lateral, transverse, sideways, tangential movement, displacement, due to velocity, between the Earth and Target Star and Reference Star.
And here, and everywhere, the Covert State tells you that ONLY THE EARTH MOVES!!!
What is simply, wholly, laughably, ludicrously, wrong with that statement?
Do you hear the Scarlet Pimpernel singing, returned, again?
What ELSE is moving in this picture?
Hint, the absolute velocity of the Earth, around the Sun, is 30 km/sec. Multiplying by 2 radians, and dividing by Pi, we get 19 km/sec as the lateral velocity of the Earth, perpendicular to the Target Star, over the six months in journeying from E1 to E2.
The absolute velocity of the Sun, however, is 220 km/sec, around the Galaxy!
And so are the (average) absolute values of the Velocities of ALL TARGET STARS, all local stars of the 'Local Fluff' or Solar Neighborhood, as well as the Hyades Star Cluster and the Sirius-UMa Stream.
In this Hipparcos Parallax Database of 6,000 Neighbor Stars, you will notice the VELOCITIES RELATIVE TO OUR SUN range from plus-or-minus 100 km/sec, the majority between plus-or-minus 40-50 km/sec!!
From our discussions last year in our Sirius Sol facebook group you will recall the devastating assessment of the error in the Covert State pronouncements of the distances of Alpha Centauri and Sirius -- the difference in Parallax resulting from a change of Earth Velocity of 20 km/sec to Solar or Target Star velocity of 220 km/sec could result, my first guess, in D=1/P above being changed by a factor of eleven. Changed say from 8.6 covert lightyears for Sirius, up to 99 lightyears -- or down to 3/4 of a lightyear, 0.75 lightyears! For Alpha Centauri the numbers could go from 4.3 lightyears up to 61 lightyears, or go down to 1/3 of a lightyear, 0.37 lightyears!!
see the Photo Album and the Local Moving Groups thread with about 50 pdf articles referenced: Sirius Sol
You can also see the Local Supercluster, Moving Group, Stream Velocity articles listed here on the Thunderbolts Forum: Court of the 'Knights Parallax'
So what was left out of the Black-Ops Parallax Algebra, the Covert Parallax Calculus? Which of our Stellar Parallax Distance Determination questions is yet unanswered? Is there a Parallax Shift that you and I can derive, measure, determine ourselves? (Yes!)
All the data we want, the variables, the numbers we need, are available in the Hipparcos database, and will be a thousand times more so, more accurate, with more stars, in the forthcoming GAIA database. The crux, of course, is that unless you reside 'behind the veil', are a upper level owner/manager of the Intelligence State, the Security State, you will not know, will not be given the correct 'gauge' (fudge factor) for correcting the distance determination from Covert to Real. [Recall your history, the 'proprietary' hold that the Sumerian Kings, the Phoenicians, the Celts, all Sea-Powers maintained on their Sea Maps; the recent rise of the British 'Admiralty-based' United Kingdom, give way to the 20th Century US-Aerospace World Dominion].
[Add illustration demonstrating difference between Optical Scissors effect and Optical T-Square effect.]
The algebra and numbers are simple. Just take the vector sum of the two EXTRA relevant velocities, the lateral (perpendicular) velocities of the Sun and the Target Star with respect to each other. This will give you the net correction to multiply the D=1/P result provided by the Hipparcos Science Team. That is, add the Velocity of the Earth (about 19.1 km/sec) over the six months, and do a vector add of the relative Velocity of the Sun and the Target Star. [Add the velocities if they are in the same direction, subtract the velocities if they are in opposite directions.] If the velocities ADD, then that means that the Distance Determination is too small by the factor Ve + Vst over Ve (Relative Velocity of the Sun and Target divided by the Velocity of the Earth). Which is to say that in this case the Parallax was smaller than it appeared. If the Velocities of the Earth and Sun/Target SUBTRACT, then the Parallax is greater than it appeared, and the Covert Distance Determination is too LARGE by the factor Ve over Ve + Vst.
To understand it fully, simply, unforgettably, reference the illustration above. Take the numbers Vs and Vt, velocity of the Sun and Velocity of the Target Star. Add them vectorally. Their net Velocity, Vn, their Vector total is a velocity which is transverse to the direction of the Target Star, parallel to the Velocity of the Earth. Say it is 15 km/sec opposite to the Velocity of the Earth. Then adding Ve + Vn, we get 19 km/sec - 15 km/sec = 4 km/sec net Velocity of the Earth with respect to the Target Star! If the target star is Sirius, with a Covert Distance of 8.6 Lightyears, we multiply that result by 4/19 -- 4 km/sec over 19 km/sec -- to get a CORRECTED Distance for Sirius of 1.8 Lightyears! [If the Velocities of the Earth and Sun-Target had added, then we would have found a corrected distance placing Sirius further away than the Covert Gauge reported. Google gauge equation "fudge factor".]
[If we do not have good numbers for Vs and Vt, to determine Vn, we can derive Vn astrometrically by taking two ADDITIONAL parallax measurements from Eo and Eoo (same place, a year apart) in the above chart. Thus if E1 were taken in January, and E2 in July, then Eo and Eoo would be taken in April of that year, and April of the next year. Those two measurements, of Eo and Eoo, will give us the relative velocity of the Sun and Target Star, with zero displacement of the Earth with respect to the Sun. It gives us the net Velocity of the Sun with respect to the Target Star with which we can later determine our Covert Fudge Factor correction ...]
Fortunately there are dozens of ancient 'sciences', disciplines, which are as accurate, and far more accurate, than 20th century Covert physics, aerospace, astrophysics, gauge theory, etc, etc. (as the latter are 'culturally' designed to give vastly wrong results to the public.) These, sacred, older disciplines give us numbers for the periodic cycles (wavelengths and frequencies) of the trajectories of our neighbor planets, stars and moving groups -- by which we have MANY sets of distances and velocities for Alpha Centauri, for Sirius, for the Sirius-UMa Stream, for the Ursa Major Moving Group, for the Local Association.
[We also have dozens of other (modern, corporate, western) physical & social science disciplines, which ALSO give numbers (though the covert nuclear / aerospace industry never realized it!) for our divine harmonic periodic (Aboriginal Songline, Dreamtime) relationships with the planets, stars, moving groups, and galaxy!]
With our Sacred Data Sets we can determine the Covert Fudge Factors, and thus the corrections to the whole Sirius Sol, Sirius-UMa, '4D Filamentary Serpent Velocity Group' equations.
A factor of 2.5 REDUCTION IN THE COVERT DISTANCE SCALE of our Local Neighbor Serpent Stellar Deities being the convergence, as of today, of all the numbers I have brought together over the last twenty years.
Singing the PachaMama, all our Sacred Serpent Relations, returning ...
antecedents: $IRIUS DI$₡LO$URE, Alpha ...
And, coming soon, in preparation now, 'Theatre Twenty' Presents: The Rocket Boys ... Seventy Years of Covert Orbital, Interplanetary, and now Interstellar, MIC-Cancer, MIC-Colonization ..
From Academia @ https://www.academia.edu/11143555/Sirius_Shift_Sirius_Parallax_Disclosure_
And see Space Plane Equation Revisited by Millennium Twain @ http://nexusilluminati.blogspot.com/2012/01/spaceplane-equation-revisited-secret.html