TON 618
Quasar and Lyman-alpha blob in the constellation Canes Venatici / From Wikipedia, the free encyclopedia
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TON 618 (abbreviation of Tonantzintla 618) is a hyperluminous, broad-absorption-line, radio-loud quasar and Lyman-alpha blob[2] located near the border of the constellations Canes Venatici and Coma Berenices, with the projected comoving distance of approximately 18.2 billion light-years from Earth.[lower-alpha 1] It possesses one of the most massive black holes ever found, at 40.7 billion M☉.[3]
Quick Facts Observation data (Epoch J2000.0), Constellation ...
TON 618 | |
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Observation data (Epoch J2000.0) | |
Constellation | Canes Venatici |
Right ascension | 12h 28m 24.9s[1] |
Declination | +31° 28′ 38″[1] |
Redshift | 2.219[1] |
Distance |
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Type | Quasar[1] |
Apparent magnitude (V) | 15.9[1] |
Notable features | Hyperluminous quasar in a Lyman-alpha blob |
Other designations | |
FBQS J122824.9+312837, B2 1225+31, QSO 1228+3128, 7C 1225+3145, CSO 140, 2E 2728, Gaia DR1 4015522739308729728[1] | |
See also: Quasar, List of quasars |
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