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Fulton, C. C.; Arp, H. C.; Hartnett, J. G.: Physical association and periodicity in quasar families with SDSS and 2MRS. Astrophysics and Space Science 363 (7), 134 (2018)

Fulton, C. C.; Arp, H. C.: The 2dF redshift survey - I. Physical association and periodicity in quasar families. The Astrophysical Journal 754 (2), 134, pp. 1 - 10 (2012)

Arp, H.: Quasars associated with NGC 613, NGC 936 and NGC 941. Astrophysics and Space Science 301 (1-4), pp. 117 - 126 (2006)

Burbidge, E. M.; Gutiérrez, C. M.; Arp, H.: A QSO discovered at the redshift of the extended X-ray cluster RX J0152.7-1357. Publications of the Astronomical Society of the Pacific 118 (839), pp. 124 - 128 (2006)

Arp, H.: The long search for black holes. Science 309 (5732), p. 245 - 245 (2005)

Galianni, P.; Burbidge, E. M.; Arp, H.; Junkkarinen, V.; Burbidge, G.; Zibetti, S.: The discovery of a high-redshift X-ray-emitting QSO very close to the nucleus of NGC 7319. Astrophysical Journal 620 (1), pp. 88 - 94 (2005)

Arp, H.: Observational cosmology: from high redshift galaxies to the blue pacific. Progress in Physics 3, pp. 1 - 6 (2005)

Arp, H.: A galaxy cluster near NGC 720. http://de.arxiv.org/ (2005)

Arp, H.; Burbidge, E. M.: X-ray bright QSO's around NGC 3079. http://de.arxiv.org/ (2005)

Arp, H.; Fulton, C.; Roscoe, D.: Periodicities of quasar redshifts in large area surveys. http://de.arxiv.org/ (2005)

Burbridge, M. E.; Burbridge, G.; Arp, H. C.; Zibetti, S.: QSOs and active galactic nuclei associated with NGC 2639. The Astrophysical Journal - Supplement Series 153 (1), pp. 159 - 164 (2004)

Arp, H.; Gutiérrez, C. M.; López-Corredoira, M.: New optical spectra and general discussion on the nature of ULXs. Astronomy & Astrophysics 418 (3), pp. 877 - 833 (2004)

Arp, H.; Burbidge, E. M.; Burbidge, G.: The double radio source 3C 343.1: A galaxy-QSO pair with very different redshifts. Astronomy & Astrophysics 414 (3), pp. L37 - L40 (2004)

Burbridge, E. M.; Burbridge, G.; Arp, H. C.; Zibetti, S.: QSOs associated with M82. The Astrophysical Journal 591 (2), pp. 690 - 694 (2003)

Burbidge, G.; Burbidge, E. M.; Arp, H.: The nature of the ultraluminous X-ray Sources inside galaxies and their relation to local QSOs. Astronomy & Astrophysics 400 (3), pp. L17 - L19 (2003)

Arp, H.: Arguments for a Hubble constant near H-0=55. The Astrophysical Journal 571 (2), pp. 615 - 618 (2002)

Arp, H.; Burbidge, E. M.; Chu, Y.; Flesch, E.; Patat, F.; Rupprecht, G.: NGC 3628: Ejection activity associated with quasars. Astronomy & Astrophysics 391 (3), pp. 833 - 840 (2002)

Narlikar, J. V.; Vishwakarma, R. G.; Banerjee, S. K.; Das, P. K.; Arp, H. C.: Dynamics of ejection from galaxies and the variable mass hypothesis. International Journal of Modern Physics D 11 (2), pp. 245 - 257 (2002)

Arp, H.: Catalogue of discordant redshift associations. C Roy Keys Inc, Montreal (2003), 234 pp.

D’Onofrio, M.; Marziani, P.; Sulentic, J. W.; Collin, S.; Setti, G.; Gaskell, M.; Wampler, J.; Elvis, M.; Pronik, I.; Pronik, V. et al.; Sergeev, S.; Volvach, A.; Krolik, J.; Netzer, H.; Cavaliere, A.; Padovani, P.; Arp, H.; Narlikar, J.: Quasars in the life of astronomers. In: Fifty Years of Quasars: From Early Observations and Ideas to Future Research, pp. 11 - 90 (Eds. D'Onofrio, M.; Marziani, P.; Sulentic, J. W.). Springer, Heidelberg [u.a.] (2012)