335 citations · 902 across the 19 of their papers we have counts for
20 papers
The Stellar Observations Network Group (SONG) -- A Legacy Archive of Stellar Time-Domain Spectroscopy
M. N. Lund, F. Grundahl, M. S. Fredslund +41
The Stellar Observations Network Group (SONG) network has operated for more than a decade, providing long-baseline, high-cadence spectroscopic observations of bright stars and the…
Late infall of molecular cloud material reshaped the outer Solar System
Elishevah van Kooten, Sebastian Sjørring Lodal, Isaac Onyett +5
Understanding the physicochemical evolution of the outer protoplanetary disk is critical because it governed the distribution and delivery of key volatiles such as water and organi…
The nucleosynthetic fingerprint of the outermost protoplanetary disk and early Solar System dynamics
Elishevah van Kooten, Xuchao Zhao, Ian Franchi +6
Knowledge of the nucleosynthetic isotope composition of the outermost protoplanetary disk is critical to understand the formation and early dynamical evolution of the Solar System.…
Presolar stardust in asteroid Ryugu
Jens Barosch, Larry R. Nittler, Jianhua Wang +121
We have conducted a NanoSIMS-based search for presolar material in samples recently returned from C-type asteroid Ryugu as part of JAXA's Hayabusa2 mission. We report the detection…
Anatomy of rocky planets formed by rapid pebble accretion II. Differentiation by accretion energy and thermal blanketing
Anders Johansen, Thomas Ronnet, Martin Schiller +2
We explore the heating and differentiation of rocky planets that grow by rapid pebble accretion. Our terrestrial planets grow outside of the ice line and initially accrete 28\% wat…
Anatomy of rocky planets formed by rapid pebble accretion I. How icy pebbles determine the core fraction and FeO contents
Anders Johansen, Thomas Ronnet, Martin Schiller +2
We present a series of papers dedicated to modelling the accretion and differentiation of rocky planets that form by pebble accretion within the lifetime of the protoplanetary disc…
Natural separation of two primordial planetary reservoirs in an expanding solar protoplanetary disk
Beibei Liu, Anders Johansen, Michiel Lambrechts +2
Meteorites display an isotopic composition dichotomy between non-carbonaceous (NC) and carbonaceous (CC) groups, indicating that planetesimal formation in the solar protoplanetary…
Origin of hydrogen isotopic variations in chondritic water and organics
Laurette Piani, Yves Marrocchi, Lionel G. Vacher +2
Chondrites are rocky fragments of asteroids that formed at different times and heliocentric distances in the early solar system. Most chondrite groups contain water-bearing mineral…
Hybrid accretion of carbonaceous chondrites by radial transport across the Jupiter barrier
Elishevah van Kooten, Martin Schiller, Frederic Moynier +3
Understanding the origin of chondritic components and their accretion pathways is critical to unravel the magnitude of mass transport in the protoplanetary disk, the accretionary h…
A pebble accretion model for the formation of the terrestrial planets in the Solar System
Anders Johansen, Thomas Ronnet, Martin Bizzarro +4
Pebbles of millimeter sizes are abundant in protoplanetary discs around young stars. Chondrules inside primitive meteorites - formed by melting of dust aggregate pebbles or in impa…
AMBITION -- Comet Nucleus Cryogenic Sample Return (White paper for ESA's Voyage 2050 programme)
D. Bockelée-Morvan, G. Filacchione, K. Altwegg +27
This white paper proposes that AMBITION, a Comet Nucleus Sample Return mission, be a cornerstone of ESA's Voyage 2050 programme. We summarise some of the most important questions s…
Probing the Protosolar Disk Using Dust Filtering at Gaps in the Early Solar System
Troels Haugbølle, Philipp Weber, Daniel P. Wielandt +4
Jupiter and Saturn formed early, before the gas disk dispersed. The presence of gap-opening planets affects the dynamics of the gas and embedded solids and halts the inward drift o…
Jupiter Analogues Orbit Stars with an Average Metallicity Close to that of the Sun
Lars A. Buchhave, Bertram Bitsch, Anders Johansen +4
Jupiter played an important role in determining the structure and configuration of the Solar System. Whereas hot-Jupiter type exoplanets preferentially form around metal-rich stars…
Early formation of planetary building blocks inferred from Pb isotopic ages of chondrules
Jean Bollard, James N. Connelly, Martin J. Whitehouse +6
The most abundant components of primitive meteorites (chondrites) are millimeter-sized glassy spherical chondrules formed by transient melting events in the solar protoplanetary di…
Tracking the distribution of Al and Fe during the early phases of star and disk evolution
Michael Kuffmeier, Troels Frostholm Mogensen, Troels Haugboelle +2
The short-lived Al and Fe radionuclides are synthesized and expelled in the interstellar medium by core-collapse supernova events. The solar system's first solids, ca…
Growth of asteroids, planetary embryos and Kuiper belt objects by chondrule accretion
Anders Johansen, Mordecai-Mark Mac Low, Pedro Lacerda +1
Chondrules are millimeter-sized spherules that dominate primitive meteorites (chondrites) originating from the asteroid belt. The incorporation of chondrules into asteroidal bodies…
Observations of nitrogen isotope fractionation in deeply embedded protostars
S. F. Wampfler, J. K. Jorgensen, M. Bizzarro +1
(Abridged) The terrestrial planets, comets, and meteorites are significantly enriched in 15N compared to the Sun and Jupiter. While the solar and jovian nitrogen isotope ratio is b…
Three regimes of extrasolar planets inferred from host star metallicities
Lars A. Buchhave, Martin Bizzarro, David W. Latham +6
Approximately half of the extrasolar planets (exoplanets) with radii less than four Earth radii are in orbits with short periods. Despite their sheer abundance, the compositions of…
The multifaceted planetesimal formation process
Anders Johansen, Jürgen Blum, Hidekazu Tanaka +3
Accumulation of dust and ice particles into planetesimals is an important step in the planet formation process. Planetesimals are the seeds of both terrestrial planets and the soli…
Abundance of 26Al and 60Fe in evolving Giant Molecular Clouds
Aristodimos Vasileiadis, Aake Nordlund, Martin Bizzarro
The nucleosynthesis and ejection of radioactive Al (t 0.72\,Myr) and Fe, (t 2.5\,Myr) into the interstellar medium is dominated by the stell…