Elliptical and Irregular Galaxies
36 entries in the Elliptical and Irregular Galaxies compendium.
Elliptical galaxyElliptical galaxies are smooth, ellipsoidal masses of old stars with little gas.Faber–Jackson relationEmpirical relation linking luminosity and velocity dispersion in elliptical galaxies.Fundamental plane (elliptical galaxies)A bivariate correlation linking effective radius, surface brightness, and velocity dispersion.Dwarf elliptical galaxySmall, common elliptical galaxies found in groups and clusters.Dwarf spheroidal galaxySmall, dark-matter-dominated galaxies with old stars and little gas.2MASX J09194427+5622012Massive elliptical galaxy and brightest cluster galaxy in Ursa Major.2MASX J10222849+5006200One of the largest known galaxies, a detached-double-double radio galaxy.3C 28Massive cD galaxy in Pisces, BCG of Abell 115.3C 63A low-redshift Fanaroff–Riley Type 2 radio galaxy in Cetus.3C 66BA giant elliptical radio galaxy with a prominent jet.3C 132A Fanaroff-Riley Type 2 low-excitation radio galaxy in Taurus.3C 135A Fanaroff-Riley class 2 radio galaxy in Orion.3C 180A Seyfert type 2 galaxy with extended emission-line regions.3C 190Compact steep spectrum quasar in Cancer with merging host galaxy.3C 195A high-power radio galaxy with disturbed host and double-lobed structure.3C 300A high-excitation Fanaroff-Riley Type 2 radio galaxy in Boötes.3C 324A radio galaxy at the center of a rich cluster.3C 326A pair of interacting elliptical radio galaxies in Serpens.3C 332A change-looking quasar and Fanaroff-Riley Type II radio galaxy.3C 346Elliptical Seyfert galaxy with a relativistic jet and merging companion.3C 351A Fanaroff-Riley Class II quasar with asymmetrical radio lobes.3C 353A giant elliptical radio galaxy in Ophiuchus.3C 357A Fanaroff-Riley Type II radio galaxy in Hercules.3C 381A debated broad-line radio galaxy with an extended emission-line region.4C +26.42Brightest cluster galaxy in Abell 1795 with active nucleus.4C +29.30Elliptical Seyfert galaxy with multiple radio activity episodes.4C +30.31Elliptical radio galaxy in Hercules with a complex emission-line region.4C +37.11Hosts the closest directly observed binary supermassive black holes.4C +41.26Brightest cluster galaxy of Abell 1763, a wide-angle tail radio galaxy.4C 12.03X-shaped radio galaxy in Pisces with low-excitation active nucleus.4C 18.68A massive elliptical quasar with a young, precessing radio jet.4C 31.04A compact steep spectrum radio galaxy in Pisces.4C 32.26A radio galaxy and BCG in Abell 695, discovered in 1969.4C 39.32Elliptical galaxy with a compact steep spectrum radio source.4C 49.22A radio-loud quasar and blazar with a compact triple radio structure.4C 73.08A giant radio galaxy in Draco, discovered in 1981.
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