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Merge biographical detail from the duplicate imported Wikipedia page (birth/death places, career timeline, Atlas of Peculiar Galaxies); restructure into standard wiki sections
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| alt = Halton C. Arp
| alt = Halton C. Arp
| birth_date = {{birth date|1927|03|21|mf=y}}
| birth_date = {{birth date|1927|03|21|mf=y}}
| birth_place = New York City, United States
| death_date = {{death date|2013|12|28|mf=y}}
| death_date = {{death date|2013|12|28|mf=y}}
| death_place = Munich, Germany
| fields = [[Astronomer]]
| fields = [[Astronomer]]
| residence = D-85741 Garching, Germany
| residence = D-85741 Garching, Germany
| nationality = USA / German
| nationality = USA / German
| known_for = [[Astronomy]], [[Galaxies]], [[Quasars]], [[Pulsars]], [[Redshift]], [[Big Bang]]
| known_for = [[Astronomy]], [[Galaxies]], [[Quasars]], [[Redshift]], Intrinsic redshift, ''Atlas of Peculiar Galaxies''
}}
}}


Halton Christian Arp received his Bachelors degree from Harvard College in 1949 and his Ph.D. from California Institute of Technology in 1953, both cum laude. He is a professional astronomer who, earlier in his career, conducted Edwin Hubble's nova search in M31. He has earned the Helen B. Warner Prize, the Newcomb Cleveland Award and the Alexander von Humboldt Senior Scientist Award. For 28 years he was staff astronomer at the Mt. Palomar and Mt. Wilson observatories. While there, he produced his well-known catalog of "Peculiar Galaxies" that are disturbed or irregular in appearance. Arp discovered, from photographs and spectra with the big telescopes, that many pairs of quasars (quasi-stellar objects) which have extremely high redshift z values (and are therefore thought to be receding from us very rapidly - and thus must be located at a great distance from us) are physically connected to galaxies that have low redshift and are known to be relatively close by. Because of Arp's observations, the assumption that high red shift objects have to be very far away - on which the Big Bang theory and all of "accepted cosmology" is based - has to be fundamentally reexamined.
'''Halton Christian "Chip" Arp''' (March 21, 1927 – December 28, 2013) was an American astronomer, best known for his 1966 ''Atlas of Peculiar Galaxies'' and for his sustained observational challenge to the [[Big Bang]] interpretation of [[Redshift|redshift]]. His work on apparently connected objects of widely differing redshift made him one of the most prominent scientific critics of standard cosmology in the twentieth century.


'''Articles:'''
==Education==
 
Arp was born on March 21, 1927 in New York City. He received his Bachelor's degree from Harvard College in 1949 and his Ph.D. from the California Institute of Technology in 1953, both ''cum laude''.
 
==Career==
 
After completing his doctorate, Arp became a Fellow of the Carnegie Institution of Washington in 1953, carrying out research at the Mount Wilson and Palomar observatories. He was a Research Assistant at Indiana University from 1955, and joined the staff of Palomar Observatory in 1957, where he remained for close to three decades. Earlier in his career he conducted Edwin Hubble's nova search in M31.
 
In 1983 Arp moved to Germany to join the staff of the Max Planck Institute for Astrophysics in Garching, where he continued his research until his death in Munich on December 28, 2013.
 
==Atlas of Peculiar Galaxies==
 
While at Palomar, Arp compiled his well-known catalogue of '''peculiar galaxies''' — galaxies that are disturbed or irregular in appearance — published in 1966 as the ''Atlas of Peculiar Galaxies''. The catalogue remains widely used; in mainstream astronomy many of its entries were later interpreted as interacting and merging galaxies.
 
==Redshift and the Big Bang==
 
Arp's central and most controversial claim arose from photographs and spectra taken with the large telescopes. He found that many quasars (quasi-stellar objects) with extremely high redshift ''z'' values — which on the standard interpretation must be receding rapidly and therefore lie at very great distances — appear to be '''physically connected''' to galaxies of low redshift that are known to be relatively nearby.
 
If such associations are real, then redshift cannot be purely a measure of distance and recession velocity: some component must be '''intrinsic''' to the object. On Arp's view this means the assumption that high-redshift objects must be far away — the assumption on which the Big Bang theory and much of accepted cosmology rests — has to be fundamentally re-examined. He developed the argument across four books, including ''Quasars, Redshifts and Controversies'' (1987) and ''Seeing Red: Redshifts, Cosmology and Academic Science'' (1998), the latter also an account of the professional resistance his work met.
 
==Honors==
 
* Helen B. Warner Prize for Astronomy
* Newcomb Cleveland Award
* Alexander von Humboldt Senior Scientist Award
* Sagnac Award, [[Natural Philosophy Alliance]] (2011)
 
==Articles==


* "A Possible Relationship Between Quasars and Clusters of Galaxies" <em>Astrophysical Journal</em>, 2001, V549, pp. 802-819 (with D. G. Russell).
* "A Possible Relationship Between Quasars and Clusters of Galaxies" <em>Astrophysical Journal</em>, 2001, V549, pp. 802-819 (with D. G. Russell).
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[[Category:Scientist|Arp Halton]]
[[Category:Scientist|Arp Halton]]
[[Category:Cosmology|Arp Halton]]
[[Category:Worldwide List of Dissident Scientists]]
[[Category:Worldwide List of Dissident Scientists]]

Revision as of 10:15, 19 July 2026

Halton C. Arp
Halton C. Arp
Born(1927-03-21)March 21, 1927
New York City, United States
DiedDecember 28, 2013(2013-12-28)
Munich, Germany
ResidenceD-85741 Garching, Germany
NationalityUSA / German
Known forAstronomy, Galaxies, Quasars, Redshift, Intrinsic redshift, Atlas of Peculiar Galaxies
Scientific career
FieldsAstronomer

Halton Christian "Chip" Arp (March 21, 1927 – December 28, 2013) was an American astronomer, best known for his 1966 Atlas of Peculiar Galaxies and for his sustained observational challenge to the Big Bang interpretation of redshift. His work on apparently connected objects of widely differing redshift made him one of the most prominent scientific critics of standard cosmology in the twentieth century.

Education

Arp was born on March 21, 1927 in New York City. He received his Bachelor's degree from Harvard College in 1949 and his Ph.D. from the California Institute of Technology in 1953, both cum laude.

Career

After completing his doctorate, Arp became a Fellow of the Carnegie Institution of Washington in 1953, carrying out research at the Mount Wilson and Palomar observatories. He was a Research Assistant at Indiana University from 1955, and joined the staff of Palomar Observatory in 1957, where he remained for close to three decades. Earlier in his career he conducted Edwin Hubble's nova search in M31.

In 1983 Arp moved to Germany to join the staff of the Max Planck Institute for Astrophysics in Garching, where he continued his research until his death in Munich on December 28, 2013.

Atlas of Peculiar Galaxies

While at Palomar, Arp compiled his well-known catalogue of peculiar galaxies — galaxies that are disturbed or irregular in appearance — published in 1966 as the Atlas of Peculiar Galaxies. The catalogue remains widely used; in mainstream astronomy many of its entries were later interpreted as interacting and merging galaxies.

Redshift and the Big Bang

Arp's central and most controversial claim arose from photographs and spectra taken with the large telescopes. He found that many quasars (quasi-stellar objects) with extremely high redshift z values — which on the standard interpretation must be receding rapidly and therefore lie at very great distances — appear to be physically connected to galaxies of low redshift that are known to be relatively nearby.

If such associations are real, then redshift cannot be purely a measure of distance and recession velocity: some component must be intrinsic to the object. On Arp's view this means the assumption that high-redshift objects must be far away — the assumption on which the Big Bang theory and much of accepted cosmology rests — has to be fundamentally re-examined. He developed the argument across four books, including Quasars, Redshifts and Controversies (1987) and Seeing Red: Redshifts, Cosmology and Academic Science (1998), the latter also an account of the professional resistance his work met.

Honors

  • Helen B. Warner Prize for Astronomy
  • Newcomb Cleveland Award
  • Alexander von Humboldt Senior Scientist Award
  • Sagnac Award, Natural Philosophy Alliance (2011)

Articles

Abstracts

Books

Media

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