Erik Zackrisson

Short presentation

Keywords

• astronomy
• cosmology
• james webb space telescope
• machine learning
• searching for extraterrestrial intelligence
• the first black holes
• the first galaxies
• the first stars

Publications

Selection of publications

• JWST's PEARLS (2023)
• JWST Reveals a Possible z similar to 11 Galaxy Merger in Triply Lensed MACS0647-JD (2023)
• Two Lensed Star Candidates at z similar or equal to 4.8 behind the Galaxy Cluster MACS J0647.7+7015 (2023)
• JWST PEARLS. Prime extragalactic areas for reionization and lensing science (2023)
• Project Hephaistos - I. Upper limits on partial Dyson spheres in the Milky Way (2022)
• Possible Systematic Rotation in the Mature Stellar Population of a z=9.1 Galaxy (2022)
• A highly magnified star at redshift 6.2 (2022)
• JWST Imaging of Earendel, the Extremely Magnified Star at Redshift z=6.2 (2022)
• Big Three Dragons (2019)
• Detection of the Far-infrared [O III] and Dust Emission in a Galaxy at Redshift 8.312 (2019)
• The onset of star formation 250 million years after the Big Bang (2018)
• On the Detection of Supermassive Primordial Stars (2018)
• SETI with Gaia (2018)
• Unveiling the First Black Holes With JWST (2017)
• The Spectral Evolution of the First Galaxies. III. Simulated James Webb Space Telescope Spectra of Reionization-epoch Galaxies with Lyman-continuum Leakage (2017)
• Detection of an oxygen emission line from a high-redshift galaxy in the reionization epoch (2016)
• Terrestrial Planets Across Space And Time (2016)
• EXTRAGALACTIC SETI (2015)

Recent publications

• The Extended [C _II] under Construction? (2024)
• A search for high-redshift direct-collapse black hole candidates in the PEARLS north ecliptic pole field (2024)
• To be, or not to be (2024)
• JWST's PEARLS (2023)
• JWST's PEARLS (2023)

All publications

Articles

• The Extended [C _II] under Construction? (2024)
• A search for high-redshift direct-collapse black hole candidates in the PEARLS north ecliptic pole field (2024)
• To be, or not to be (2024)
• JWST's PEARLS (2023)
• JWST's PEARLS (2023)
• JWST Reveals a Possible z similar to 11 Galaxy Merger in Triply Lensed MACS0647-JD (2023)
• Two Lensed Star Candidates at z similar or equal to 4.8 behind the Galaxy Cluster MACS J0647.7+7015 (2023)
• The 300 pc Resolution Imaging of a z=8.31 Galaxy (2023)
• On the observability and identification of Population III galaxies with JWST (2023)
• Detections of [C ii] 158 mu m and [O iii] 88 mu m in a Local Lyman Continuum Emitter, Mrk 54, and Its Implications to High-redshift ALMA Studies* (2023)
• RELICS (2023)
• First Light and Reionization Epoch Simulations (flares) - XIV. The Balmer/4000 Å breaks of distant galaxies (2023)
• First Light And Reionization Epoch Simulations (FLARES) VII (2023)
• JWST PEARLS. Prime extragalactic areas for reionization and lensing science (2023)
• Cospatial 21 cm and metal-line absorbers in the epoch of reionization - I. Incidence and observability (2022)
• Project Hephaistos - I. Upper limits on partial Dyson spheres in the Milky Way (2022)
• Possible Systematic Rotation in the Mature Stellar Population of a z=9.1 Galaxy (2022)
• Finding Lensed Direct-collapse Black Holes and Supermassive Primordial Stars (2022)
• Conditions for detecting lensed Population III galaxies in blind surveys with the James Webb Space Telescope, the Roman Space Telescope, and Euclid (2022)
• A highly magnified star at redshift 6.2 (2022)
• JWST Imaging of Earendel, the Extremely Magnified Star at Redshift z=6.2 (2022)
• A puzzling non-detection of [O III] and [C II] from a z ≈ 7.7 galaxy observed with ALMA (2021)
• Galaxy population constraints on cosmology and star formation in the early Universe (2021)
• Big Three Dragons (2021)
• The case against gravitational millilensing in the multiply-imaged quasar B1152+199 (2020)
• ALMA uncovers the [C II] emission and warm dust continuum in a z=8.31 Lyman break galaxy (2020)
• Identifying reionization-epoch galaxies with extreme levels of Lyman continuum leakage in James Webb Space Telescope surveys (2020)
• The impact of star formation sampling effects on the spectra of lensed z > 6 galaxies detectable with JWST (2020)
• Finding Direct-collapse Black Holes at Birth (2020)
• Testing an indirect method for identifying galaxies with high levels of Lyman continuum leakage (2020)
• Bubble mapping with the Square Kilometre Array (2020)
• Balmer breaks in simulated galaxies at z > 6 (2019)
• Big Three Dragons (2019)
• On the detection of supermassive primordial stars - II. Blue supergiants (2019)
• Detection of the Far-infrared [O III] and Dust Emission in a Galaxy at Redshift 8.312 (2019)
• Lyman continuum leakage versus quenching with the James Webb Space Telescope (2018)
• Aligned metal absorbers and the ultraviolet background at the end of reionization (2018)
• Reionization in Technicolor (2018)
• The onset of star formation 250 million years after the Big Bang (2018)
• The Lyman Alpha Reference Sample (2018)
• On the Detection of Supermassive Primordial Stars (2018)
• SETI with Gaia (2018)
• Legacy ExtraGalactic UV Survey with The Hubble Space Telescope (2017)
• An analytic resolution to the competition between Lyman-Werner radiation and metal winds in direct collapse black hole hosts (2017)
• Probing cold dark matter subhaloes with simulated ALMA observations of macrolensed sub-mm galaxies (2017)
• The minimum halo mass for star formation at z=6-8 (2017)
• Unveiling the First Black Holes With JWST (2017)
• A multiply imaged z similar to 6.3 Lyman a emitter candidate behind Abell 2261 (2017)
• Lyman-Werner escape fractions from the first galaxies (2017)
• AGN luminosity and stellar age (2017)
• The Spectral Evolution of the First Galaxies. III. Simulated James Webb Space Telescope Spectra of Reionization-epoch Galaxies with Lyman-continuum Leakage (2017)
• Detecting direct collapse black holes (2016)
• Local starburst galaxies and their descendants (2016)
• The Lyman alpha reference sample VI. Lyman alpha escape from the edge-on disk galaxy Mrk 1486 (2016)
• Ionization processes in a local analogue of distant clumpy galaxies (2016)
• The soft, fluctuating UVB at z similar to 6 as traced by C IV, Si IV, and C II (2016)
• Detection of an oxygen emission line from a high-redshift galaxy in the reionization epoch (2016)
• A machine-learning approach to measuring the escape of ionizing radiation from galaxies in the reionization epoch (2016)
• A comprehensive comparative test of seven widely used spectral synthesis models against multi-band photometry of young massive-star clusters (2016)
• Terrestrial Planets Across Space And Time (2016)
• The Brightest Young Star Clusters In Ngc 5253 (2015)
• Star Cluster Properties In Two Legus Galaxies Computed With Stochastic Stellar Population Synthesis Models (2015)
• A SEARCH FOR POPULATION III GALAXIES IN CLASH. I. SINGLY IMAGED CANDIDATES AT HIGH REDSHIFT (2015)
• EXTRAGALACTIC SETI (2015)
• Primordial star clusters at extreme magnification (2015)
• STRONG LENSING BY SUBHALOS IN THE DWARF-GALAXY-MASS RANGE. II. DETECTION PROBABILITIES (2009)
• An analytical model of surface mass densities of cold dark matter haloes - with an application to MACHO microlensing optical depths (2008)
• Constraining the mass of the GRB 030329 progenitor (2008)
• The impact of nebular emission on the broadband fluxes of high-redshift galaxies (2008)
• Are the Red Halos of Galaxies Made of Low-Mass Stars? Constraints from Subdwarf Star Counts in the Milky Way Halo (2008)
• High-redshift microlensing and the spatial distribution of dark matter in the form of MACHOs (2007)
• Stellar dynamics of blue compact galaxies (2004)
• The temporal and spatial evolution of the starburst in ESO 338-IG04 as probed by its star clusters (2003)

Conferences

• ANDES, the high resolution spectrograph for the ELT (2022)
• ELT-HIRES, the high resolution spectrograph for the ELT (2020)
• Constraining Lyman continuum escape using Machine Learning (2018)
• ELT-HIRES, the high resolution spectrograph for the ELT (2018)
• EELT-HIRES the high-resolution spectrograph for the E-ELT (2016)
• Modelling the red halos of blue compact galaxies (2005)
• On planetary-mass compact objects as dark matter (2004)