Anja C. Andersen

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Current research

In 2023 I am on sabbatical as Visiting Professor at Princeton University,  to collaborate with Prof. Bruce Draine. This is made possible by generous support from the Carlsberg Foundation. In the last week of September I will present an invited talk in Gøteborg, Sweden, on Dust growth in nearby galaxies at the conference Origin and Fate of dust in our Universe. In the week of October/November I will participate in the conference Illuminating the Dusty Universe: A Tribute to the work of Brunce Draine in Florence, Italy. 

During 2022 I was in charge (CEO) of Videnskabsår22 the Danish National Science Year established as part of the UN International Year of Basic Science for Sustainable Development (IYBSSD 2022) in celebration of the 100 year of Niels Bohr's Nobel Prize in Phyiscs. Videnskabsår22 was genously supported by the Villum Foundation, the Novo Nordisk Foundation, the Poul Due Jensen Foundation and the Bitten and Mads Clausen Foundation.

I supervise bachelor, master and PhD-students within astrophysics. 

My research is centered around the astrophysics of dust. Cosmic dust particles play an important role for the thermal, dynamical and chemical conditions in many astrophysical environments, especially for the star and planet formation process and the late stages of stellar evolution. Dust particles determine the spectral appearance of proto-stars as well as of evolved stars with circumstellar envelopes, and they also dominate extinction curves of galaxies. I have a handful of recognized papers on ISM dust growth in nearby galaxies, and another handful on dust production at high redshift. I also have a series of papers on laboratory work determining optical properties of meteoritic and synthetic dust species. The laboratory data I used for developing mass-loss theory for AGB stars. Currently I am working on identifying the origin of certain elements and its implication for the ISM evolution. As part of this effort I co-author of a paper for Nature on the origin of the r-process elements.

As part of my public outreach of science I work with Mette Holbæk on promoting sceince, one of the means is the podcast series: Videnskab fra vilde hjerner (Scince from Bright Brains) where we interview high profiled scientist in Denmark. I also co-host the Danish podcast series Flyvendetallerken (the Flying Saucer) and Generation Mars (Generation Mars) produced by Frederik Dirks Gottlib. Previously I have participated  in the podcast series Genial Galakser (Ingeinous Galaxies) aimed at children by Rikke Mia Skovdal which won the Danish Podcast prize 2021 in the category "Niche". 

I am currently writing on my 15'th popular science book in Danish which will be a general introduction to the Universe. 

Teaching

Selected publications

1. Published

   Dust depletion of metals from local to distant galaxies I. Peculiar nucleosynthesis effects and grain growth in the ISM

   Konstantopoulou, C., De Cia, A., Krogager, J., Ledoux, C., Noterdaeme, P., Fynbo, Johan Peter Uldall, Heintz, Kasper Elm, Watson, Darach Jafar, Andersen, Anja C., Ramburuth-Hurt, T. & Jermann, I., 29 Sep 2022, In: Astronomy & Astrophysics. 666, 30 p., A12.

   Research output: Contribution to journal › Journal article › peer-review

2. Published

   Thermal History of Matrix Forsterite Grains from Murchison Based on High-resolution Tomography

   Perotti, G., Sorensen, H. O., Haack, H., Andersen, Anja C., Sanchez, D. F., van Kooten, Elishevah, Tsai, E. H. R., Dalby, K. N., Holler, M., Grolimund, D. & Hassenkam, Tue, 6 Dec 2021, In: Astrophysical Journal. 922, 2, 12 p., 256.

   Research output: Contribution to journal › Journal article › peer-review

3. Published

   Distribution of Interplanetary Dust Detected by the Juno Spacecraft and Its Contribution to the Zodiacal Light

   Jorgensen, J. L., Benn, M., Connerney, J. E. P., Denver, T., Jorgensen, P. S., Andersen, Anja C. & Bolton, S. J., 1 Mar 2021, In: Journal of Geophysical Research - Planets. 126, 3, 11 p., e2020JE006509.

   Research output: Contribution to journal › Journal article › peer-review

4. Published

   Identification of strontium in the merger of two neutron stars

   Watson, Darach Jafar, Hansen, C. J., Selsing, J., Koch, A., Malesani, Daniele Bjørn, Andersen, Anja C., Fynbo, Johan Peter Uldall, Arcones, A., Bauswein, A., Covino, S., Grado, A., Heintz, Kasper Elm, Hunt, L., Kouveliotou, C., Leloudas, G., Levan, A. J., Mazzali, P. & Pian, E., 24 Oct 2019, In: Nature. 574, 7779, p. 497-500 4 p.

   Research output: Contribution to journal › Journal article › peer-review

5. Published

   On the dust properties of high-redshift molecular clouds and the connection to the 2175 extinction bump

   Heintz, K. E., Zafar, T., De Cia, A., Vergani, S. D., Jakobsson, P., Fynbo, Johan Peter Uldall, Watson, Darach Jafar, Japelj, J., Mller, P., Covino, S., Kaper, L. & Andersen, Anja C., 1 Jun 2019, In: Monthly Notices of the Royal Astronomical Society. 486, 2, p. 2063-2074 12 p.

   Research output: Contribution to journal › Journal article › peer-review

6. Published

   Dust-depletion sequences in damped Lyman-α absorbers II. The composition of cosmic dust, from low-metallicity systems to the Galaxy

   Mattsson, L., De Cia, A., Andersen, Anja C. & Petitjean, P., 18 Apr 2019, In: Astronomy & Astrophysics. 624, 11 p., A103.

   Research output: Contribution to journal › Journal article › peer-review

7. Published

   The Herschel exploitation of local galaxy Andromeda (HELGA) - V. Strengthening the case for substantial interstellar grain growth

   Mattsson, L., Gomez, H. L., Andersen, Anja C., Smith, M. W. L., De Looze, I., Baes, M., Viaene, S., Gentile, G., Fritz, J. & Spinoglio, L., 11 Oct 2014, In: Monthly Notices of the Royal Astronomical Society. 444, 1, p. 797-807

   Research output: Contribution to journal › Journal article › peer-review

8. Published

   Stellar abundances and presolar grains trace the nucleosynthetic origin of molybdenum and ruthenium

   Hansen, C. J., Andersen, Anja C. & Christlieb, N., 4 Aug 2014, In: Astronomy & Astrophysics. 568, 17 p., A47.

   Research output: Contribution to journal › Journal article › peer-review

Selected activities

1. Cosmic Dust: Origin, Applications and Implications

   Andersen, Anja C. (Participant)

   11 Jun 2018 → 15 Jun 2018

   Activity: Participating in an event - types › Organisation of and participation in conference

2. Origin of Cosmic Dust

   Andersen, Anja C. (Participant)

   3 Jul 2014 → 4 Jul 2014

   Activity: Participating in an event - types › Organisation of and participation in conference

3. Akademiet for de tekniske videnskaber (ATV) (External organisation)

   Andersen, Anja C. (Member)

   2007

   Activity: Membership types › Membership in research network

Selected prizes

1. Ebbe Muncks Honorary Award

   Andersen, Anja C. (Recipient), 5 Nov 2018

   Prize: Prizes, scholarships, distinctions

2. 2017 Dansk Forfatter Forenings Faglitterærepris

   Andersen, Anja C. (Recipient), 2017

   Prize: Prizes, scholarships, distinctions

3. 2016 H.C. Ørsted Medaljen i Sølv

   Andersen, Anja C. (Recipient), 2016

   Prize: Prizes, scholarships, distinctions

4. 2015 UNESCOs Lysets års formidlingspris

   Andersen, Anja C. (Recipient), 2015

   Prize: Prizes, scholarships, distinctions

5. 2014 Direktør N. Bang og hustru Yrsa Bang født Troensegaards legat

   Andersen, Anja C. (Recipient), 2014

   Prize: Prizes, scholarships, distinctions

6. 2011 SCIENCE Formidlingspris

   Andersen, Anja C. (Recipient), 2011

   Prize: Prizes, scholarships, distinctions

7. 2009 Bergsøefondens formidlingspris

   Andersen, Anja C. (Recipient), 2009

   Prize: Prizes, scholarships, distinctions

8. 2009 Mathilde prisen

   Andersen, Anja C. (Recipient), 2009

   Prize: Prizes, scholarships, distinctions

9. 2008 DMs Forskningspris

   Andersen, Anja C. (Recipient), 2008

   Prize: Prizes, scholarships, distinctions

10. 2006 Rosenkjærprisen

    Andersen, Anja C. (Recipient), 2006

    Prize: Prizes, scholarships, distinctions

11. 2006 Kirstine Meyers Legat

    Andersen, Anja C. (Recipient), 2006

    Prize: Prizes, scholarships, distinctions

12. 2006: TOYP – Akademisk præstationer og lederskab

    Andersen, Anja C. (Recipient), 2006

    Prize: Prizes, scholarships, distinctions

13. 2005 Descartes Price for Research Communication

    Andersen, Anja C. (Recipient), 2005

    Prize: Prizes, scholarships, distinctions

14. 2004 Forskningskommunikationsprisen

    Andersen, Anja C. (Recipient), 2004

    Prize: Prizes, scholarships, distinctions

15. 2000 Allan MacIntosh' Formidlingspris

    Andersen, Anja C. (Recipient), 2000

    Prize: Prizes, scholarships, distinctions

16. 1997 Årets Astronomi Forfatter

    Andersen, Anja C. (Recipient), 1997

    Prize: Prizes, scholarships, distinctions