Extremes
| Title | Quasar | Data | Notes |
|---|---|---|---|
| Optically brightest on Earth | 3C 273 | Apparent Magnitude ~ 12.9 |
Absolute Magnitude: −26.7 |
| Seemingly optically brightest | APM 08279+5255 | Seeming Absolute Magnitude −32.2 |
This quasar is gravitationally lensed, its actual absolute magnitude is estimated to be −30.5 |
| Optically brightest at source | Absolute Magnitude |
||
| Most powerful quasar radio source | 3C 273 | Also the most powerful radio source in the sky | |
| Most powerful | |||
| Most variable quasar radio source | QSO J1819+3845 (Q1817+387) | Also the most variable extrasolar radio source | |
| Least variable quasar radio source | |||
| Most variable quasar optical source | |||
| Least variable quasar optical source | |||
| Most distant | ULAS J1120+0641 | z=7.085 | |
| Most distant radio-quiet quasar | |||
| Most distant radio-loud quasar | QSO J1427+3312 | z=6.12 | Found June 2008 |
| Most distant blazar quasar | QSO J0906+6930 | z=5.47 | |
| Least distant | 3C273 | z=0.158 |
Read more about this topic: List Of Quasars
Famous quotes containing the word extremes:
“We may climb into the thin and cold realm of pure geometry and lifeless science, or sink into that of sensation. Between these extremes is the equator of life, of thought, or spirit, or poetry,—a narrow belt.”
—Ralph Waldo Emerson (1803–1882)
“The distractions, the exhaustions, the savage noises, the demands of town life, are, for me, mortal enemies to thought, to sleep, and to study; its extremes of squalor and of splendor do not stimulate, but sadden me; certain phases of its society I profoundly value, but would sacrifice them to the heaven of country quiet, if I had to choose between.”
—Elizabeth Stuart Phelps (1844–1911)
“The extremes of vice and virtue are alike detestable; absolute virtue is as sure to kill a man as absolute vice is, let alone the dullnesses of it and the pomposities of it.”
—Samuel Butler (1835–1902)