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Št. zadetkov: 8
JWST catches the assembly of a z ~ 5 ultra-low-mass galaxy
Yoshihisa Asada, Guillaume Desprez, Roberto Abraham, Maruša Bradač, Gabriel B. Brammer, Anishya Harshan Thevalil
Izvirni znanstveni članek
Oznake: galaxies evolution;high-redshift galaxies;reionization;
JWST catches the assembly of a z ~ 5 ultra-low-mass galaxy
Leto: 2023 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Detailed study of stars and gas in a z = 8.3 massive merger with extreme dust conditions
Anishya Harshan Thevalil, Roberta Tripodi, Nicholas S. Martis, Gregor Rihtaršič, Maruša Bradač, Yoshihisa Asada
Izvirni znanstveni članek
Oznake: high-redshift galaxies;gravitational lensing;reionization;active galaxies;
We present galaxy MACS0416-Y1 at zspec = 8.312 as observed by the CAnadian NIRISS Unbiased Cluster Survey. MACS0416-Y1 has been shown to have extreme dust properties; thus, we study the physical properties and star formation histories of its resolved components. Overall, we find that MACS0416-Y1 is ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Improving photometric redshifts of epoch of reionization galaxies
Yoshihisa Asada, Guillaume Desprez, Chris J. Willott, Marcin Sawicki, Maruša Bradač, Nicholas S. Martis, Anishya Harshan Thevalil, Vladan Markov
Izvirni znanstveni članek
Oznake: high redshift galaxies;reionization;intergalactic medium;
We present a new analytical model for the attenuation to Epoch of Reionization (EoR) galaxies by proximate neutral hydrogen gas. Many galaxy spectra in the EoR taken by JWST have shown a flux deficit at wavelengths just redward of the Lyman break, and this has been regarded as resulting from Lyα dam ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
CANUCS
Gregor Rihtaršič, Maruša Bradač, Guillaume Desprez, Anishya Harshan Thevalil, Gaël Noirot, Vicente Estrada-Carpenter, Nicholas S. Martis, Vladan Markov, Roberta Tripodi
Izvirni znanstveni članek
Oznake: gravitational lensing;astrophysics of galaxies;high-redshift galaxies;
Context. Strong gravitational lensing in galaxy clusters has become an essential tool in astrophysics, as it allows one to directly probe the dark matter distribution and study magnified background sources. The precision and reliability of strong lensing models rely heavily on the number and quality ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Star formation at the epoch of reionization with CANUCS
Maruša Bradač, Victoria Strait, Lamiya Mowla, Kartheik G. Iyer, Gaël Noirot, Chris J. Willott, Anishya Harshan Thevalil, Nicholas S. Martis, Gregor Rihtaršič
Izvirni znanstveni članek
Oznake: high-redshift galaxies;gravitational lensing;reionization;
We present measurements of stellar populations properties of a $z$ = 9.1 gravitationally lensed galaxy MACS1149-JD1 using deep James Webb Space Telescope NIRISS slitless spectroscopy as well as NIRISS and NIRCam imaging from the CAnadian NIRISS Unbiased Cluster Survey (CANUCS). The galaxy is split i ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
CANUCS
Anishya Harshan Thevalil, Maruša Bradač, Roberto Abraham, Yoshihisa Asada, Gabriel B. Brammer, Guillaume Desprez, Kartheik G. Iyer, Nicholas S. Martis, Jasleen Matharu, Gregor Rihtaršič, Marcin Sawicki
Izvirni znanstveni članek
Oznake: galaxies formation;galaxies evolution;high-redshift galaxies;reionization;
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
In search of the first stars
Chris J. Willott, Yoshihisa Asada, Kartheik G. Iyer, Jon Judež, Gregor Rihtaršič, Nicholas S. Martis, Anishya Harshan Thevalil, Giordano Felicioni, Maruša Bradač, Vladan Markov, Roberta Tripodi
Izvirni znanstveni članek
Oznake: Lyman-alpha galaxies;Emission line galaxies;reionization;metallicity;
We present JWST observations of a gravitationally lensed, extremely metal-poor galaxy at redshift z = 8.203 ± 0.001 from the CANUCS survey. Based on the low oxygen to Balmer line ratios, we infer a gas-phase metallicity of 12 + log(O/H) = 6.85 (1.4% solar), making CANUCS-A370-z8-LAE one of the most ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Bursty star formation and galaxy-galaxy interactions in low-mass galaxies 1 Gyr after the Big Bang
Yoshihisa Asada, Marcin Sawicki, Roberto Abraham, Maruša Bradač, Gabriel B. Brammer, Guillaume Desprez, Vicente Estrada-Carpenter, Kartheik G. Iyer, Nicholas S. Martis, Victoria Strait, Anishya Harshan Thevalil
Izvirni znanstveni članek
Oznake: galaxies formation;dwarf galaxies;high-redshift galaxies;
Bursty star formation and galaxy-galaxy interactions in low-mass galaxies 1 Gyr after the Big Bang
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 8
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