Abstract
view Abstract Citations (13) References (19) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS IC711--The Longest Head-Tail Galaxy Known Vallee, J. P. ; Roger, R. S. Abstract The scale size of the largest structure in head-tail galaxies is not well known. Previous observations of the head-tail galaxy IC 711 (Vallée and Wilson, 1976) have shown its tail to extend 13 arcmin (700 kpc for H0 = 50 km s-1Mpc-1) beyond the optical galaxy, making it then the longest head-tail galaxy known. New observations at a longer wavelength of 74 cm with the synthesis telescope at Penticton show that the radio tail extends still further, to at least 17 arcmin (930 kpc), retaining its status as the longest head-tail galaxy known today. Some theoretical models for the origin of such galaxies are discussed with particular reference to IC 711. Publication: The Astronomical Journal Pub Date: July 1987 DOI: 10.1086/114439 Bibcode: 1987AJ.....94....1V Keywords: Astronomical Spectroscopy; Galactic Structure; Radio Galaxies; Visible Spectrum; Astronomical Maps; Centimeter Waves; Spectrum Analysis; Astrophysics; RADIO SOURCES: GALAXIES; GALAXIES: SEYFERT full text sources ADS | data products NED (22) SIMBAD (19)
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