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The first true quadruple quasar system was discovered in 2015 at a redshift z = 2.0412 and has an overall physical scale of about 200 kpc (roughly 650,000 light-years). [ 74 ] A multiple-image quasar is a quasar whose light undergoes gravitational lensing , resulting in double, triple or quadruple images of the same quasar.
RX J1131-1231 is the name of the complex, quasar, host galaxy and lensing galaxy, together. The quasar's host galaxy is also lensed into a Chwolson ring about the lensing galaxy. The four images of the quasar are embedded in the ring image. Cloverleaf: 4 [3] Brightest known high-redshift source of CO emission [4] QSO B1359+154: 6
HE0435-1223 is a quadruple-lensed quasar and rare Einstein Cross located in the constellation Eridanus [1] at a distance of approximately 2.33 billion light years away from Earth. [2] HE 0435-1223 was discovered in October 2008 by astronomer Patrick Foley during a study and search for gravitational quadruple lenses in deep sky objects. [3]
RX J1131-1231 is a distant, supermassive-black-hole-containing quasar located about 6 billion light years from Earth in the constellation Crater. [1] [2]In 2014, astronomers found that the X-rays being emitted are coming from a region inside the accretion disk located about three times the radius of the event horizon.
The redshift of J0529-4351 is 3.962. The object itself is classified as a radio-quiet quasar.Fitting accretion models to the spectra yields an accretion rate of matter onto the black hole of 280 to 490 solar masses per year for an accretion disk around the black hole observed at an angle of zero to 60 degrees, with accretion occurring near the Eddington limit.
Artist's impression of QSO J0439+1634. Note the prominent blue hue. QSO J0439+1634, [4] often referred to by just its coordinates, J0439+1634 or J043947.08+163415.7, [1] is a superluminous quasar, and was, until 20 February 2024, (when it was superseded by QSO J0529-4351) considered the brightest quasar in the early universe with a redshift of z = 6.51.
A body has been found near where two missing sisters were last seen in Aberdeen. Henrietta and Eliza Huszti - both 32 and from a set of triplets - were last sighted near the River Dee on 7 January.
Through measuring redshifts of different galaxies from Gemini South in multi-object spectroscopy mode around PKS 2126–158, five confirmed members from group of galaxies are found at z~ 0.66, similar velocities to metal-line absorption system seen in the quasar's spectrum. Four more fainter galaxies can be seen nearby and possibly associated ...