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Páll Jakobsson - Professor

Páll Jakobsson

–

School of Engineering and Natural Sciences

Páll Jakobsson

Professor

in astrophysics

Location
Tæknigarður / Tg-320
Phone
525 - 4941
Email
pja [at] hi.is

Unit
Faculty of Physical Sciences

Published works

2025

The JWST-PRIMAL archival surveyAstronomy and Astrophysics
Neutral fraction of hydrogen in the intergalactic medium surrounding high-redshift gamma-ray burst 210905AMonthly Notices of the Royal Astronomical Society

2024

Varying linear polarisation in the dust-free gamma-ray burst 210610BAstronomy and Astrophysics
A high-redshift calibration of the [O I]-to-H I conversion factor in star-forming galaxiesAstronomy and Astrophysics
A Hubble Space Telescope Search for r-Process Nucleosynthesis in Gamma-Ray Burst SupernovaeAstrophysical Journal
The host of GRB 171205A in 3DAstronomy and Astrophysics
Strong damped Lyman-a absorption in young star-forming galaxies at redshifts 9 to 11Science
Modelling of long gamma-ray burst host galaxies at cosmic noon from damped Lyman-α absorption statisticsMonthly Notices of the Royal Astronomical Society
Comparing emission- and absorption-based gas-phase metallicities in GRB host galaxies at z = 2−4 using JWSTMonthly Notices of the Royal Astronomical Society
GRB 211024BAstrophysical Journal
Heavy-element production in a compact object merger observed by JWSTNature
Rapid Response Mode observations of GRB 160203AAstronomy and Astrophysics

2023

Dissecting the interstellar medium of a z = 6.3 galaxyAstronomy and Astrophysics
A search for the afterglows, kilonovae, and host galaxies of two short GRBsAstronomy and Astrophysics
The First JWST Spectrum of a GRB AfterglowAstrophysical Journal Letters
GRB 160410AMonthly Notices of the Royal Astronomical Society
A long-duration gamma-ray burst of dynamical origin from the nucleus of an ancient galaxyNature Astronomy
Photometric and Spectroscopic Observations of GRB 190106AAstrophysical Journal
The cosmic buildup of dust and metalsAstronomy and Astrophysics
The ultra-long GRB 220627A at z = 3.08Astronomy and Astrophysics

2022

The supernova of the MAGIC gamma-ray burst GRB 190114CAstronomy and Astrophysics

2021

GRB host galaxies with strong H₂absorptionMonthly Notices of the Royal Astronomical Society
Spectropolarimetry and photometry of the early afterglow of the gamma-ray burst GRB 191221BMonthly Notices of the Royal Astronomical Society

2020

Gaia -assisted discovery of a detached low-ionisation BAL quasar with very large ejection velocitiesAstronomy and Astrophysics
GRB 190114C in the nuclear region of an interacting galaxyAstronomy and Astrophysics
Lyman continuum leakage in faint star-forming galaxies at redshift z = 3−3.5 probed by gamma-ray burstsAstronomy & Astrophysics
Spectroscopic classification of a complete sample of astrometrically-selected quasar candidates using Gaia DR2Astronomy and Astrophysics

2019

Evidence for diffuse molecular gas and dust in the hearts of gamma-ray burst host galaxiesAstronomy and Astrophysics
The case for a high-redshift origin of GRB 100205AMonthly Notices of the Royal Astronomical Society
Observation of inverse Compton emission from a long γ-ray burstNature
On the dust properties of high-redshift molecular clouds and the connection to the 2175 extinction bumpMonthly Notices of the Royal Astronomical Society
New constraints on the physical conditions in H₂-bearing GRB-host damped Lyman-α absorbersAstronomy and Astrophysics
Gaia-assisted selection of a quasar reddened by dust in an extremely strong damped Lyman-α absorber at z = 2.226Astronomy and Astrophysics
Cold gas in the early UniverseAstronomy and Astrophysics
Short GRB 160821BAstrophysical Journal
The fraction of ionizing radiation from massive stars that escapes to the intergalactic mediumMonthly Notices of the Royal Astronomical Society
Chandra and Hubble Space Telescope observations of dark gamma-ray bursts and their host galaxiesMonthly Notices of the Royal Astronomical Society
The X-shooter GRB afterglow legacy sample (XS-GRB)Astronomy and Astrophysics
Detailed multiwavelength modelling of the dark GRB 140713A and its host galaxyMonthly Notices of the Royal Astronomical Society
GRB 171010A/SN 2017htpMonthly Notices of the Royal Astronomical Society

2018

Unidentified quasars among stationary objects from Gaia DR2Astronomy and Astrophysics
VLT/X-shooter GRBsMonthly Notices of the Royal Astronomical Society
The Properties of GRB 120923A at a Spectroscopic Redshift of z ≈ 7.8Astrophysical Journal
Mass and metallicity scaling relations of high-redshift star-forming galaxies selected by GRBsMonthly Notices of the Royal Astronomical Society
The luminous, massive and solar metallicity galaxy hosting the Swift γ -ray burst GRB160804A at z = 0.737Monthly Notices of the Royal Astronomical Society
Highly ionized metals as probes of the circumburst gas in the natal regions of gamma-ray burstsMonthly Notices of the Royal Astronomical Society
The 2175 Å Extinction Feature in the Optical Afterglow Spectrum of GRB 180325A at z = 2.25The Astrophysical Journal Letters
X-shooting GRBs at high redshift: probing dust production historyMonthly Notices of the Royal Astronomical Society
The host galaxy of the short GRB 111117A at z = 2.211Astronomy and Astrophysics
The optical afterglow of the short gamma-ray burst associated with GW170817Nature Astronomy
A quasar hiding behind two dusty absorbers Quantifying the selection bias of metal-rich, damped Lyα absorption systemsAstronomy and Astrophysics
X-shooter and ALMA spectroscopy of GRB 161023AAstronomy and Astrophysics

2017

GRB 161219B/SN 2016jcaAstronomy and Astrophysics
Solving the conundrum of intervening strong Mgii absorbers towards gamma-ray bursts and quasarsAstronomy and Astrophysics
The Environment of the Binary Neutron Star Merger GW170817The Astrophysical Journal Letters
The Emergence of a Lanthanide-rich Kilonova Following the Merger of Two Neutron StarsThe Astrophysical Journal Letters
The MUSE view of the host galaxy of GRB 100316DMonthly Notices of the Royal Astronomical Society
The High A _V Quasar SurveyAstronomy and Astrophysics
Multi-messenger Observations of a Binary Neutron Star MergerAstrophysical Journal Letters
Steep extinction towards GRB140506A reconciled from host galaxy observationsAstronomy and Astrophysics
The host galaxies and explosion sites of long-duration gamma-ray burstsMonthly Notices of the Royal Astronomical Society
ALMA and GMRT Constraints on the Off-axis Gamma-Ray Burst 170817A from the Binary Neutron Star Merger GW170817Astrophysical Journal Letters

2016

THE SWIFT GAMMA-RAY BURST HOST GALAXY LEGACY SURVEY. I. SAMPLE SELECTION and REDSHIFT DISTRIBUTIONAstrophysical Journal
The optical identification of events with poorly defined locationsMonthly Notices of the Royal Astronomical Society

2015

THE OPTICALLY UNBIASED GRB HOST (TOUGH) SURVEY. VII. the HOST GALAXY LUMINOSITY FUNCTIONAstrophysical Journal
Spectrophotometric analysis of gamma-ray burst afterglow extinction curves with X-ShooterAstronomy and Astrophysics
GRB hosts through cosmic timeAstronomy and Astrophysics
Connecting GRBs and ULIRGsAstrophysical Journal
The warm, the excited, and the molecular gasMonthly Notices of the Royal Astronomical Society
Detailed afterglow modelling and host galaxy properties of the dark GRB 111215AMonthly Notices of the Royal Astronomical Society
VLT/X-Shooter spectroscopy of the afterglow of the Swift GRB 130606AAstronomy and Astrophysics
GRB 140606B/iPTF14bfuMonthly Notices of the Royal Astronomical Society

2014

The mysterious optical afterglow spectrum of GRB 140506A at z = 0.889Astronomy and Astrophysics
GRB 120422A/SN 2012bzAstronomy and Astrophysics
On the nature of the 'hostless' short GRBsMonthly Notices of the Royal Astronomical Society
The host of the SN-less GRB 060505 in high resolutionMonthly Notices of the Royal Astronomical Society
Spectroscopy of the short-hard GRB 130603BAstronomy and Astrophysics
The metallicity and dust content of a redshift 5 gamma-ray burst host galaxyAstrophysical Journal
A new population of ultra-long duration gamma-ray burstsAstrophysical Journal
A trio of gamma-ray burst supernovaeAstronomy and Astrophysics

2013

Helium in natal H II regionsAstrophysical Journal
Time-dependent excitation and ionization modelling of absorption-line variability due to GRB080310Astronomy and Astrophysics
Molecular hydrogen in the damped Lyman α system towards GRB 120815A at z = 2.36Astronomy and Astrophysics
GRB 100219A with X-shooter - abundances in a galaxy at z = 4.7Monthly Notices of the Royal Astronomical Society
A population of massive, luminous galaxies hosting heavily dust-obscured gamma-ray burstsAstrophysical Journal
The redshift distribution of the TOUGH surveyEAS Publications Series
DIscovery of the broad-lined type IC SN 2013CQ associated with the very energetic GRB 130427AAstrophysical Journal

2012

The optically unbiased GRB host (TOUGH) survey. IV. Lyα emittersAstrophysical Journal
The properties of the 2175 å extinction feature discovered in GRB afterglowsAstrophysical Journal
Diversity of multiwavelength emission bumps in the GRB 100219A afterglowAstronomy and Astrophysics
The dark GRB080207 in an extremely red host and the implications for gamma-ray bursts in highly obscured environmentsMonthly Notices of the Royal Astronomical Society
Pre-ALMA observations of GRBs in the mm/submm rangeAstronomy and Astrophysics
The optically unbiased GRB host (tough) survey. III. Redshift distributionAstrophysical Journal
Star formation in the early universeAstrophysical Journal
The optically unbiased GRB host (TOUGH) survey. VI. Radio observations at z ≲ 1 and consistency with typical star-forming galaxiesAstrophysical Journal
Long Gamma-Ray Burst Host Galaxies and their Environments
The distribution of equivalent widths in long GRB afterglow spectraAstronomy and Astrophysics
The shallow-decay phase in both the optical and X-ray afterglows of Swift GRB 090529AMonthly Notices of the Royal Astronomical Society
Rapid-response mode VLT/UVES spectroscopy of super iron-rich gas exposed to GRB 080310Astronomy and Astrophysics
Galaxy counterparts of intervening high-z sub-DLAs/DLAs and Mg ii absorbers towards gamma-ray burstsAstronomy and Astrophysics
The highly energetic expansion of SN 2010bh associated with GRB 100316DAstrophysical Journal
The optically unbiased gamma-ray burst host (tough) survey. I. Survey design and catalogsAstrophysical Journal
The optically unbiased GRB host (TOUGH) survey. V. VLT/X-shooter emission-line redshifts for Swift GRBs at Z ∼ 2Astrophysical Journal
TOUGHProceedings of Science
The redshift distribution of the TOUGH surveyProceedings of Science
Dust extinction bias in the column density distribution of gamma-ray burstsAstrophysical Journal

2011

A photometric redshift of z ∼9.4 for GRB 090429BAstrophysical Journal
Super iron-rich gas towards GRB 080310
GRB070125 and the environments of spectral-line poor afterglow absorbersMonthly Notices of the Royal Astronomical Society
Host galaxies of long gamma-ray bursts
Discovery of the Nearby Long, Soft GRB 100316D with an Associated SupernovaMonthly Notices of the Royal Astronomical Society
The optically unbiased GRB host (TOUGH) survey
Variable Lyα sheds light on the environment surrounding GRB 090426Monthly Notices of the Royal Astronomical Society
GRB-selected galaxiesAstronomische Nachrichten
An extremely luminous panchromatic outburst from the nucleus of a distant galaxyScience
GRB host galaxiesAdvances in Space Research
The extinction curves of star-forming regions from z = 0.1 to 6.7 using GRB afterglow spectroscopyAstronomy and Astrophysics
Properties of Swift's intermediate bursts
A high signal-to-noise ratio composite spectrum of gamma-ray burst afterglowsAstrophysical Journal
The circumburst density profile around GRB progenitors
Probing gamma-ray burst environments with time variabilityMonthly Notices of the Royal Astronomical Society
GRB 091127/SN 2009nz and the VLT/X-shooter spectroscopy of its host galaxyAstronomy and Astrophysics
The circumburst density profile around GRB progenitorsAstronomy and Astrophysics
Discovery of the nearby long, soft GRB100316D with an associated supernovaMonthly Notices of the Royal Astronomical Society
Spectroscopic evidence for SN 2010ma associated with GRB 101219BAstrophysical Journal Letters

2010

The afterglows of Swift-era gamma-ray bursts. I. Comparing pre-Swift and Swift-era long/soft (type II) GRB optical afterglowsAstrophysical Journal
Building and Characterizing an Unbiased Sample of Gamma-Ray Bursts
Late-time observations of GRB 080319BAstrophysical Journal
GRB 090902BAstrophysical Journal
Redshift distribution and luminosity function of long gamma-ray bursts from cosmological simulationsMonthly Notices of the Royal Astronomical Society
Discovery of the afterglow and host galaxy of the low-redshift short GRB 080905AMonthly Notices of the Royal Astronomical Society
ErratumAstrophysical Journal, Supplement Series
VLT/X-shooter spectroscopy of the GRB 090926A afterglowAstronomy and Astrophysics
Photometry and spectroscopy of GRB 060526Astronomy and Astrophysics
Searching for differences in Swift's intermediate GRBsAstronomy and Astrophysics
GRB 090417B and its host galaxyAstrophysical Journal
Properties of swift's intermediate bursts
SólskjálftarRAUST - Tímarit um raunvísindi og stærðfræði
Is there a significant fraction of GRBs located in dusty environs?
Gerð og þróun alheimsRAUST - Tímarit um raunvísindi og stærðfræði

2009

Gamma-ray burst host galaxies
Low-resolution spectroscopy of gamma-ray burst optical afterglowsAstrophysical Journal, Supplement Series
Constraining the energy budget of GRB 080721Monthly Notices of the Royal Astronomical Society
Rise and fall of the X-ray flash 080330Astronomy and Astrophysics
A γ-ray burst at a redshift of ≈ 8.2Nature
GRB redshifts & host galaxies
Hýsilvetrarbrautir gammablossaRAUST - Tímarit um raunvísindi og stærðfræði
Gammablossar: leiftur úr fjarlægri fortíðRAUST - Tímarit um raunvísindi og stærðfræði
Early spectroscopic identification of SN 2008DAstrophysical Journal
Gamma-ray burst host galaxies

2008

Fundamental properties of GRB-selected galaxies
The extreme, red afterglow of GRB 060923AMonthly Notices of the Royal Astronomical Society
Gamma-ray burst host galaxies and the link to star-formation
On the nature of the short-duration GRB 050906Monthly Notices of the Royal Astronomical Society

2007

Detection of GRB 060927 at z = 5.47Astrophysical Journal
SN 2003du: 480 days in the Life of a Normal Type Ia SupernovaAstronomy and Astrophysics
A case of mistaken identity? GRB 060912A and the nature of the long-short GRB divideMonthly Notices of the Royal Astronomical Society
Observations of GRBs at high redshiftPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
The nature of the X-ray flash of August 24 2005 Photometric evidence for an on-axis z = 0.83 burst with continuous energy injection and an associated supernova?Astronomy and Astrophysics
Very different X-ray-to-optical column density ratios in -γ-ray burst afterglowsAstrophysical Journal
GRB 060206 and the quandary of achromatic breaks in afterglow light curvesMonthly Notices of the Royal Astronomical Society: Letters
Constraints on an optical afterglow and on supernova light following the short burst GRB 050813Astronomical Journal

2006

Microlensing Variability in Time-Delay QuasarsAstronomy and Astrophysics
Supernova 2006aj and the Associated X-ray Flash 060218Astronomy and Astrophysics
Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211Astronomy and Astrophysics
GRB 050814 at z = 5.3 and the Redshift Distribution of Swift GRBs
No supernovae associated with two long-duration γ-ray burstsNature
The Faint Afterglow and Host Galaxy of the Short-Hard GRB 060121Astrophysical Journal Letters
The X-ray Spectrum and Lightcurve of the Redshift 6.29 Gamma-Ray Burst GRB 050904
Outshining the Quasars at Reionisation: The X-ray Spectrum and Lightcurve of the Redshift 6.29 Gamma-Ray Burst GRB 050904Astrophysical Journal Letters
Multi-Wavelength Studies of the Optically Dark Gamma-Ray Burst 001025AAstrophysical Journal
A log(NHI) = 22.6 DLA in a Dark Gamma-Ray Burst: The Environment of GRB 050401Astrophysical Journal
Are Short Gamma-Ray Bursts Collimated? GRB050709, a Flare but No BreakAstronomy and Astrophysics
The soft X-ray blast in the apparently subluminous GRB 031203Astrophysical Journal
Outshining the quasars at reionizationAstrophysical Journal
H I column densities of z > 2 Swift gamma-ray burstsAstronomy and Astrophysics
A mean redshift of 2.8 for Swift gamma-ray burstsAstronomy and Astrophysics
Probing Cosmic Chemical Evolution with Gamma-Ray Bursts: GRB 060206 at z = 4.048Astronomy and Astrophysics

2005

An optical time delay for the double gravitational lens system FBQ 0951+2635Astronomy and Astrophysics
GRB 050509BAstrophysical Journal
The GRB 030329 hostAstronomy and Astrophysics
The host galaxy cluster of the short gamma-ray burst GRB 050509BAstrophysical Journal
Properties of Ly-alpha and Gamma-Ray Burst Selected Starbursts at High Redshifts
Lyα and ultraviolet emission from high-redshift gamma-ray burst hostsMonthly Notices of the Royal Astronomical Society
Lyα and UV emission from high-redshift GRB hosts: To what extent do GRBs trace star formation?Monthly Notices of the Royal Astronomical Society
The radio afterglow and host galaxy of the dark GRB 020819Astrophysical Journal
The optical afterglow of the short γ-ray burst GRB 050709Nature
On the afterglow and host galaxy of GRB 021004Astrophysical Journal
Spectro-photometric study of the GRB 030329 host galaxyNuovo Cimento della Societa Italiana di Fisica C

2004

The supernova 2003lw associated with X-ray flash 031203Astronomy and Astrophysics
Massive star-formation rates of γ-ray burst host galaxiesAstronomy and Astrophysics
A very low luminosity X-ray flashAstrophysical Journal
Small-scale variations in the radiating surface of the GRB 011211 jetNew Astronomy
On the afterglow of the X-ray flash of 2003 July 23Astrophysical Journal
Dispersion of Light and the Geometric Structure of the UniverseRAUST - Tímarit um raunvísindi og stærðfræði
Swift identification of dark gamma-ray burstsAstrophysical Journal
The line-of-sight towards GRB 030429 at z = 2.66Astronomy and Astrophysics

2003

A very energetic supernova associated with the γ-ray burst of 29 March 2003Nature
On the Lyα emission from gamma-ray burst host galaxiesAstronomy and Astrophysics
Optical photometry of GRB 021004Astronomical Journal
The afterglow and the host galaxy of GRB 011211Astronomy and Astrophysics
Delayed soft X-ray emission lines in the afterglow of GRB 030227Astrophysical Journal

2002

Lens magnification by CL0024+1654 in the U and R bandAstronomy and Astrophysics
Absorption systems in the spectrum of GRB 021004Astronomy and Astrophysics
Litabrigði vetrarbrautaþyrpinga

2001

The Jet and the Supernova in GRB~990712
The jet and the supernova in GRB 990712Astrophysical Journal
Depletion of background galaxies owing to the cluster lens CL0024+1654Monthly Notices of the Royal Astronomical Society

1999

Decay of the GRB 990123 optical afterglowScience
Þyngdarlinsurnar CL0024 og MS1621.5
Þyngdarlinsur og lögmál Fermats

Keywords for Specialisation:

cosmological parameters

Gamma-ray bursts

gravitational lensing

dark matter and dark energy in the Universe

evolution of large-scale structure

galaxy formation