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Bubble mapping with...
Bubble mapping with the Square Kilometre Array - I. Detecting galaxies with Euclid, JWST, WFIRST, and ELT within ionized bubbles in the intergalactic medium at z > 6
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- Zackrisson, Erik (författare)
- Uppsala universitet,Observationell astrofysik
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- Majumdar, Suman (författare)
- Indian Inst Technol Indore, Discipline Astron Astrophys & Space Engn, Indore 453552, Madhya Pradesh, India
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- Mondal, Rajesh (författare)
- Univ Sussex, Astron Ctr, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England
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- Binggeli, Christian (författare)
- Uppsala universitet,Observationell astrofysik
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- Sahlén, Martin, Associate Professor (docent), 1979- (författare)
- Uppsala universitet,Observationell astrofysik
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- Choudhury, Tirthankar Roy (författare)
- TIFR, Natl Ctr Radio Astrophys, Post Bag 3, Pune 411007, Maharashtra, India
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- Ciardi, Benedetta (författare)
- Max Planck Inst Astrophys, Karl Schwatzschild Str 1, D-85748 Garching, Germany
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- Datta, Abhirup (författare)
- Indian Inst Technol Indore, Discipline Astron Astrophys & Space Engn, Indore 453552, Madhya Pradesh, India
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- Datta, Kanan K. (författare)
- Presidency Univ, Dept Phys, 86-1 Coll St, Kolkata 700073, India
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- Dayal, Pratika (författare)
- Univ Groningen, Kapteyn Astron Inst, POB 800, NL-9700 AV Groningen, Netherlands
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- Ferrara, Andrea (författare)
- Scuola Normale Super Pisa, Piazza Cavalieri 7, I-56126 Pisa, Italy;Univ Tokyo, Kavli IPMU, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778583, Japan
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- Giri, Sambit K. (författare)
- Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC),Stockholm Univ, Dept Astron, Oskar Klein Ctr, Alballova, SE-10691 Stockholm, Sweden
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- Maio, Umberto (författare)
- Max Planck Inst Astrophys, Karl Schwatzschild Str 1, D-85741 Garching, Germany
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- Malhotra, Sangeeta (författare)
- Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA;NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Code 660, Greenbelt, MD 20771 USA
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- Mellema, Garrelt (författare)
- Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC),Stockholm Univ, Dept Astron, Oskar Klein Ctr, Alballova, SE-10691 Stockholm, Sweden
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- Mesinger, Andrei (författare)
- Scuola Normale Super Pisa, Piazza Cavalieri 7, I-56126 Pisa, Italy
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- Rhoads, James (författare)
- Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA;NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Code 660, Greenbelt, MD 20771 USA
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- Rydberg, Claes-Erik (författare)
- Heidelberg Univ, Inst Far Theoret Astrophys, Zentrum Astron, Albert Ueberly Str 2, D-69120 Heidelberg, Germany
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- Shimizu, Ikkoh (författare)
- Osaka Univ, Dept Earth & Space Sci, 1-1 Machikaneyama, Toyonaka, Osaka 5600043, Japan
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(creator_code:org_t)
- 2020-01-17
- 2020
- Engelska.
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Ingår i: Monthly notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 493:1, s. 855-870
- Relaterad länk:
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https://doi.org/10.1...
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https://academic.oup...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The Square Kilometre Array (SKA) is expected to provide the first tomographic observations of the neutral intergalactic medium at redshifts z > 6 and pinpoint the locations of individual ionized bubbles during early stages of cosmic reionization. In scenarios where star-forming galaxies provide most of the ionizing photons required for cosmic reionization, one expects the first ionized bubbles to be centred on overdensities of such galaxies. Here, we model the properties of galaxy populations within isolated, ionized bubbles that SKA-1 should be able to resolve at z approximate to 7-10, and explore the prospects for galaxy counts within such structures with various upcoming near-infrared telescopes. We find that, for the bubbles that are within reach of SKA-1 tomography, the bubble volume is closely tied to the number of ionizing photons that have escaped from the galaxies within. In the case of galaxy-dominated reionization, galaxies are expected to turn up above the spectroscopic detection threshold of JWST and ELT in even the smallest resolvable bubbles at z <= 10. The prospects of detecting galaxies within these structures in purely photometric surveys with Euclid, WFIRST, JWST, or ELT are also discussed. While spectroscopy is preferable towards the end of reionization to provide a robust sample of bubble members, multiband imaging may be a competitive option for bubbles at z approximate to 10, due to the very small number of line-of-sight interlopers expected at these redshifts.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- galaxies: high-redshift
- intergalactic medium
- dark ages
- reionization
- first stars
- diffuse radiation
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Zackrisson, Erik
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Majumdar, Suman
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Mondal, Rajesh
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Binggeli, Christ ...
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Sahlén, Martin, ...
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Choudhury, Tirth ...
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Ciardi, Benedett ...
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Datta, Abhirup
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Datta, Kanan K.
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Dayal, Pratika
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Ferrara, Andrea
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Giri, Sambit K.
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Maio, Umberto
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Malhotra, Sangee ...
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Mellema, Garrelt
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Mesinger, Andrei
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Rhoads, James
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Rydberg, Claes-E ...
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Shimizu, Ikkoh
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