What Is Redshift?
If the lines in the spectrum of the light from a star or galaxy appear at a lower frequency (shifted toward the red) than where they are observed in the spectrum of the Sun, we say this object exhibits 'positive redshift'. The accepted explanation for this effect is that the object must be moving away from us. This interpretation is drawn by analogy with the downward shift in the pitch of a train whistle as it passes through a railroad crossing and then speeds away from us. The question is: Is recessional velocity the only thing that can produce a redshift, as modern astrophysicists presume? It has become clear that the answer to that question is an emphatic NO!
If the wavelength of an absorption line in an object's observed spectrum appears at a wavelength that is, say, 1.56 times its 'normal wavelength' (the wavelength at which it is observed in a laboratory experiment here on Earth), then we say this object has a positive redshift of z = 0.56. The 'z value' is simply the observed fractional increase in the wavelength of the spectral lines. The simple interpretation of this is to say that this object must therefore be receding from us at 56% of the speed of light or 0.56 x 300,000 km/sec. Mainstream astrophysicists believe that recessional velocity, v = cz. This object, therefore, must be very far away from Earth.
But a high redshift value does not necessarily mean the object is far away. There is another, more important cause of high redshift values.
NGC 4319 and Markarian 205
A prime example of Arp's challenge is the connected pair of objects NGC 4319 and Markarian 205.
Dr. Arp showed in his book "Quasars, Redshifts and Controversies" that there is a physical connection between the barred spiral galaxy NGC 4319 and the quasar like object Markarian 205. This connection is between two objects that have vastly different redshift values. Mainstream astronomers deny the existence of this physical link. They claim these two objects are not close together - they are 'coincidentally aligned'.
On April 4, 2002 amateur astronomer John Smith of Oro Valley, AZ obtained an image of the two objects. The author of this website then quantized that image to show isophote contours (of equal brightness). This result is shown below. The isophotes in the central section of 4319 suggest that the galaxy is indeed a barred spiral. Also the main arms seem to be coming off at their roots. Both of these observations were first noted by Arp and stated as such in his book. Notice that only Mark 205's isophotes are stretched back toward NGC 4319. None of the other objects in close proximity to 4319 are distorted in this manner.
Then on October 7, 2002 the Astronomy Picture of the Day issued a Hubble Space Telescope image of these same objects. The orientation is different. After processing this HST image in the same way as the above amateur image, the following were obtained:
Notice, in the magnified isophote view, (b), that there is a distention of the shape of the Mark 205 inner isophotes back toward NGC 4319. There are also a series of secondary masses within Mark 205 on a line connecting 4319 and the center of Mark 205. But NASA scientists 'cannot see any connection between these two objects.'
The official explanation
of the NASA image states, "Appearances
can be deceiving. In this NASA Hubble Space Telescope image, an
odd celestial duo, the spiral galaxy NGC 4319 [center] and a
quasar called Markarian 205 [upper right], appear to be
neighbors. In reality, the two objects don't even live in the
same city. They are separated by time and space. NGC 4319 is 80
million light-years from Earth. Markarian 205 (Mrk 205) is more
than 14 times farther away, residing 1 billion light-years from
Earth. The apparent close alignment of Mrk 205 and NGC 4319 is
simply a matter of chance."
Professional astronomers seem to be so enamored of their 'redshift equals distance' theory that it damages their eyesight.
In "Quasars, Redshifts, and Controversies" (p. 96-101) Halton Arp discusses the five interacting galaxies NGC 7317, 7318A, 7318B, 7319, and 7320 that constitute Stephan's Quintet. The last one, NGC 7320, has a redshift value of 800 km/sec. The other four have redshifts of either 5700 km/sec or 6700 km/sec. Mainstream astronomers therefore claim those last four are about eight times farther away from us than NGC 7320. Therefore, they say, there cannot be any interaction between 7320 and the others.
Arp states "The deepest 200 inch (Mt. Palomar) plates that I have been able to obtain clearly show a 'tail' coming out of the southeast end of NGC 7320." He points out, "A tail like this from NGC 7320... must be an interaction tail - which could arise only from physical interaction with the adjacent high-redshift members of the Quintet."
He then states that at least one amateur has been able to see the tail but, "it is amazing that so many professionals have difficulty seeing it." NASA routinely crops their images of Stephan's Quintet to exclude the area where this tail would be seen.
However, my good friend, amateur astronomer John Smith acquired a full image of the Quintet.
The large, dark galaxy on the left is the low redshift NGC 7320. Then going counter-clockwise we have 7317, 7318A, 7318B, and 7319. At the top of the image is the small galaxy NGC 7320C. After some digital image processing (which only increased contrast), the result shown below was obtained.
It is apparent that a 'tail' does indeed extend out from NGC 7320 toward the left. In fact it appears to curve around and connect to the small galaxy NGC 7320C. The redshift of this small companion galaxy is z = 0.02 which is about 10 times that of NGC 7320.
So, once again we have evidence of a physical connection between two objects that have vastly different redshift values.
Arp believes that the
observed redshift value of any object is made up of two
components: the inherent component and the velocity
component. The velocity component is the only one
recognized by mainstream astronomers. The inherent
redshift is a property of the matter in the object. It
apparently changes over time in discrete steps. He
suggests that quasars are typically emitted from their parent
galaxies with inherentiredshift
values of up to z
= 2. They continue to move away, with stepwise decreasing
inherent redshift. Often, when the inherent redshift value
gets down to around z
= 0.3, the quasar starts to look like a small galaxy or BL Lac
object and begins to fall back, with still decreasing redshift
values, toward its parent. He has photos and diagrams of
many such family groupings. Any additional redshift (over
and above its inherent value) is indeed indicative of the
object's velocity. But the inherent part is an indication
of the object's youth and usually makes up the larger fraction
of a quasar's total redshift.
Recently mainstream astronomers have joyfully announced that they can find no quantization effects in the observed redshift values of quasars. Of course not! The raw measured total redshift values of the universal set of all known quasars are not quantized. It is the inherent redshift z values that are!
Instead of nominating him for a prize (and simultaneously reexamining their assumption that "redshift equals distance"), Arp was systematically denied publication of his results and refused telescope time. One would at least expect the "powers that be" to immediately turn the Chandra X-ray orbiting telescope, the Hubble space telescope, and all the big land based telescopes toward Arp's exciting discoveries in order to either confirm or disprove them once and for all. Instead, these objects have been completely excluded from examination. Official photographs are routinely cropped to exclude them. Those familiar with the Galileo story will remember the priests who refused to look at objects in the sky through his telescope.
about Halton Arp's work
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