Anna Frebel

1980 -

photo credits: Wikimedia Commons

country of citizenship: Germany

languages spoken, written or signed: German, English

educated at: Australian National University, University of Freiburg

occupation: astrophysicist, astronomer, university teacher

award received: Ludwig Biermann Award, Annie Jump Cannon Award in Astronomy

Anna Frebel (born 1980 in Berlin) is a German astronomer working on discovering the oldest stars in the universe. Source: Wikipedia (en)

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Auf der Suche nach den ältesten Sternen

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Articles 121

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Title

Authors

2021-03-02

Reconstructing Masses of Merging Neutron Stars from Stellar r-process Abundance Signatures

Erika M. Holmbeck, Anna Frebel, Rodrigo Fernández, Brian Metzger
2021-07-15

High-resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1

Thomas Nordlander, David Yong, Anna Frebel
2021-07-07

r-Process elements from magnetorotational hypernovae

Anna Frebel, Thomas Nordlander, David Yong, Dougal Mackey, Chiaki Kobayashi
2020-11-04

Exploring the Galaxy’s halo and very metal-weak thick disc with SkyMapper and Gaia DR2

Stephanie Monty, Thomas Nordlander, Martin Asplund, Anna Frebel
2019

Neutron star mergers might not be the only source of r-process elements in the Milky Way

Anna Frebel
2019

The lowest detected stellar Fe abundance: the halo star SMSS J160540.18-144323.1

Anna Frebel
2019-07-15

r-process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos

Almudena Arcones, Iris Dillmann, Anu Kankainen, Witold Nazarewicz, Ani Aprahamian, Anna Frebel
2019-09-12

The SkyMapper DR1.1 search for extremely metal-poor stars

Thomas Nordlander, Martin Asplund, Anna Frebel
2019-04-02

The R-Process Alliance: Discovery of a Low-α, r-process-enhanced Metal-poor Star in the Galactic Halo

Eva Grebel, Matthias Steinmetz, Vinicius Placco, Amina Helmi, Anna Frebel, Terese Hansen, Andrea Kunder, Brad K. Gibson, Joss Bland-Hawthorn, Rosemary Wyse, Ken Freeman, Timothy Beers, Georges Kordopatis, Warren A Reid, Gal Matijevič, Charli Sakari, Ian U. Roederer, Christopher Sneden, Kim Venn
2019-02-05

The Origin of r-process Enhanced Metal-poor Halo Stars In Now-destroyed Ultra-faint Dwarf Galaxies

Anna Frebel, Kaley Brauer, Alexander Ji, Brian W. O’Shea
2019-01-28

Chemical Abundance Signature of J0023+0307: A Second-generation Main-sequence Star with [Fe/H] < −6

Anna Frebel
2019-01-16

The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey

Vinicius Placco, Anna Frebel
2019-01-11

Chemical Abundances in the Ultra-faint Dwarf Galaxies Grus I and Triangulum II: Neutron-capture Elements as a Defining Feature of the Faintest Dwarfs

Anna Frebel, Alexander Ji
2019-03-07

Keck HIRES spectroscopy of SkyMapper commissioning survey candidate extremely metal-poor stars

Anna Frebel, Martin Asplund, Thomas Nordlander
2019-03-05

Ultra metal-poor stars: improved atmospheric parameters and NLTE abundances of magnesium and calcium

Anna Frebel
2019-05-08

Evidence for an Aspherical Population III Supernova Explosion Inferred from the Hyper-metal-poor Star HE 1327–2326

Vinicius Placco, Anna Frebel
2018-06-01

The R -Process Alliance: 2MASS J09544277+5246414, the Most Actinide-enhanced R -II Star Known

Erika M. Holmbeck, Chao Liu, Young Sun Lee, Anna Frebel
2018-01

The formation of the heaviest elements

Timothy Beers, Anna Frebel
2018-08-29

The R-Process Alliance: Chemical Abundances for a Trio of r-process-enhanced Stars—One Strong, One Moderate, and One Mild

Madelyn Cain, Anna Frebel, Andrew R. Casey, Timothy Beers, Vinicius Placco
2018-08-22

Revisiting the Iron Abundance in the Hyper Iron-poor Star HE 1327–2326 with UV COS/HST Data

Anna Frebel
2018-08-03

The R-Process Alliance: Discovery of the First Metal-poor Star with a Combined r- and s-process Element Signature

Anna Frebel, Carlo Abate, Timothy Beers, Amanda I. Karakas, Andrew R. Casey, Vinicius Placco
2018-06-14

Erratum: “Chemical Abundances of New Member Stars in the Tucana II Dwarf Galaxy” (2018, ApJ, 857, 74)

Anna Frebel
2018-05-10

The R-process Alliance: First Release from the Southern Search for R-process-enhanced Stars in the Galactic Halo

Erika M. Holmbeck, Anna Frebel, Timothy Beers, Vinicius Placco
2018-04-16

Chemical Abundances of New Member Stars in the Tucana II Dwarf Galaxy

Anna Frebel
2018-04-03

Detection of a Population of Carbon-enhanced Metal-poor Stars in the Sculptor Dwarf Spheroidal Galaxy

Anna Frebel, Matthew Walker
2018-04-02

From Actinides to Zinc: Using the Full Abundance Pattern of the Brightest Star in Reticulum II to Distinguish between Different r-process Sites

Anna Frebel
2018-02-14

The r-process Pattern of a Bright, Highly r-process-enhanced Metal-poor Halo Star at [Fe/H] ∼ −2

Erika M. Holmbeck, Terese Hansen, Anna Frebel, George Wallerstein, David Yong, Timothy Beers, Vinicius Placco
2018-10-01

The R-Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-poor Star with an Extreme R-process Enhancement of [Eu/H] = −0.14

Anna Frebel, Timothy Beers, Vinicius Placco
2018-05-07

Descendants of the first stars: the distinct chemical signature of second-generation stars

Anna Frebel, Brian W. O’Shea
2018-03-06

Selecting ultra-faint dwarf candidate progenitors in cosmological N-body simulations at high redshifts

Anna Frebel, Alexander Ji, Evan Scannapieco, Brian W. O’Shea
2018-11-29

The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo

Erika M. Holmbeck, Terese Hansen, Anna Frebel, George Wallerstein, Joss Bland-Hawthorn, Timothy Beers, Eva Grebel, Matthias Steinmetz, Vinicius Placco, Amina Helmi, Andrea Kunder, Brad K. Gibson, Rosemary Wyse, Ken Freeman, Georges Kordopatis, Warren A Reid, Gal Matijevič, Charli Sakari, Ian U. Roederer, Christopher Sneden, Kim Venn
2018-10-23

JINAbase—A Database for Chemical Abundances of Metal-poor Stars

Anna Frebel

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Anna Frebel

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Works 1

Auf der Suche nach den ältesten Sternen

Articles 121

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