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Evidence for heavy-seed origin of early supermassive black holes from a z ≈ 10 X-ray quasar

Observations of quasars reveal that many supermassive black holes (BHs) were in place less than 700 Myr after the Big Bang. However, the origin of the first BHs remains a mystery. Seeds of the first BHs are postulated to be either light (that is, 10−100 M⊙), remnants of the first stars, or heavy (that is, 10−105 M⊙), originating from the direct collapse of gas clouds. Here, harnessing recent data from the Chandra X-ray Observatory, we report the detection of an X-ray-luminous massive BH in a gravitationally lensed galaxy identified by the James Webb Space Telescope at redshift z ≈ 10.3 behind the cluster lens Abell 2744. This heavily obscured quasar with a bolometric luminosity of ~5 × 1045 erg s−1 harbours an ~107−108 M⊙ BH assuming accretion at the Eddington limit. This mass is comparable to the inferred stellar mass of its host galaxy, in contrast to what is found in the ....

Ultradeep Nirspec , Society Of Photo , Early Release Science Program , Release Science , Compton Thickx Ray , Big Bang ,

Webb carbon molecule discovery ropes in experts from Western University

An international team of scientists have used data collected by the NASA/ESA/CSA James Webb Space Telescope to detect for the first time ever a molecule known as methyl cation (CH3+), located in the protoplanetary disc surrounding a young star. They ....

France General , Baria Kahn , Bethany Schefter , James Webb , Jan Cami , Ameek Sidhu , Marie Aline Martin , Els Peeters , Early Release Science Program , University Of Toulouse , Saclay University , Webb Space Telescope , Photodissociation Regions , Optical Telescope Element , Western Space , Ryan Chown , Sofia Pasquini , Paris Saclay University , Solar System , Olivier Bern ,

Researchers measure size-luminosity relation of galaxies less than a billion years after Big Bang

An international team of researchers including the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) has studied the relationship between galaxy size and luminosity of some of the earliest galaxies in the universe taken by the brand-new James Webb Space Telescope (JWST), less than a billion years after the Big Bang, reports a new study in The Astrophysical Journal Letters. ....

United States , Los Angeles , Tommaso Treu , University Of California , Science Program , Kavli Institute For The Physics , Kavli Institute , James Webb Space Telescope , Big Bang , Astrophysical Journal , Grim Lens Amplified Survey , Early Release Science Program , Professor Tommaso , Lilan Yang , Project Researcher Xuheng Ding , Hubble Space Telescope , Ize Luminosity , Ews India ,

Researchers measure size-luminosity relation of galaxies less than a billion years after Big Bang

Researchers measure size-luminosity relation of galaxies less than a billion years after Big Bang
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United States , Los Angeles , Tommaso Treu , University Of California , Science Program , Kavli Institute For The Physics , Kavli Institute , James Webb Space Telescope , Big Bang , Astrophysical Journal , Grim Lens Amplified Survey , Early Release Science Program , Professor Tommaso , Lilan Yang , Project Researcher Xuheng Ding , Hubble Space Telescope ,

Webb telescope spots earliest galaxies yet, and they are cosmic oddballs

The distant bundles of stars are far brighter than anyone expected, challenging views of how the cosmos first took shape. ....

Garth Illingworth , Edan Coe , Tommaso Treu , Jeyhan Kartaltepe , University Of California At Los Angeles , Early Release Science Program , University Of California At Santa Cruz , Cosmic Evolution Early Release Science , Space Telescope Science Institute In Baltimore , Rochester Institute Of Technology , James Webb Space Telescope , Release Science Program , Santa Cruz , Space Telescope Science Institute , Rochester Institute ,