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EHMVSIMF

INVESTIGATING EVIDENCE OF HIGH-MASS VARIATIONS OF THE STELLAR INITIAL MASS FUNCTION

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EC-Contrib. €

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Project "EHMVSIMF" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITEIT LEIDEN 

Organization address
address: RAPENBURG 70
city: LEIDEN
postcode: 2311 EZ
website: www.universiteitleiden.nl

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Netherlands [NL]
 Project website https://www.researchgate.net/scientific-contributions/47806931_M_L_P_Gunawardhana
 Total cost 165˙598 €
 EC max contribution 165˙598 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-01-23   to  2019-01-22

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITEIT LEIDEN NL (LEIDEN) coordinator 165˙598.00

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 Project objective

One of the most important questions in the study of galaxy evolution is the assumption that stars formed within star clusters with a preferred mass distribution (IMF) independent of time and environment. Major advances in understanding mainly the low-mass IMF variations have been made in the past decade, however, relatively a little attention has been paid to the high-mass IMF. As such some critical questions remain: Does the high-mass IMF vary as a function of time and environment? Is it appropriate to describe the high-mass IMF with a single power-law as we do now? The multi-wavelength datasets that are becoming available now can address these questions.

My proposal will tackle this fundamental and long-standing issue to the limit of our current observing and theoretical capabilities. Spatial multi-wavelength data from the latest generation of surveys combined with up-to-date modeling tools and state-of-the-art hydrodynamical experiments will be used to shed light into potential variations of the IMF and their effects on galaxy evolution. The goals of the proposal are: 1. Investigate the spatial distribution and connection between star formation events within galaxies; 2. Identify reliable multi-wavelength high-mass IMF diagnostics; 3. Investigate the effects of IMF variations in moderating galaxy evolution using simulations. The proposed project is both high-impact and timely. The high quality data products need for this project are now available thanks to the latest sky surveys (e.g. GAMA) and multi-wavelength experiments (e.g. ESA's flagship mission Herschel). The timely implementation of the project will constitute to one of the most complete studies of the high-mass IMF variations over an unparalleled wavelength span using statistically significant samples. My expertise in data analysis and modeling combined with the world-leading expertise of my host, Leiden Observatory, in the same field provides exactly the right background to carry out this project.

 Publications

year authors and title journal last update
List of publications.
2018 M. Paalvast, A. Verhamme, L. A. Straka, J. Brinchmann, E. C. Herenz, D. Carton, M. L. P. Gunawardhana, L. A. Boogaard, S. Cantalupo, T. Contini, B. Epinat, H. Inami, R. A. Marino, M. V. Maseda, L. Michel-Dansac, S. Muzahid, T. Nanayakkara, G. Pezzulli, J. Richard, J. Schaye, M. C. Segers, T. Urrutia, M. Wendt, L. Wisotzki
Properties and redshift evolution of star-forming galaxies with high [O III]/[O II] ratios with MUSE at 0.28 <  z  < 0.85
published pages: A40, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201832866
Astronomy & Astrophysics 618 2019-09-02
2018 M L P Gunawardhana, P Norberg, I Zehavi, D J Farrow, J Loveday, A M Hopkins, L J M Davies, L Wang, M Alpaslan, J Bland-Hawthorn, S Brough, B W Holwerda, M S Owers, A H Wright
Galaxy And Mass Assembly (GAMA): the signatures of galaxy interactions as viewed from small-scale galaxy clustering
published pages: 1433-1464, ISSN: 0035-8711, DOI: 10.1093/mnras/sty1638
Monthly Notices of the Royal Astronomical Society 479/2 2019-09-02
2018 Nicholas Scott, Jesse van de Sande, Scott M Croom, Brent Groves, Matt S Owers, Henry Poetrodjojo, Francesco D’Eugenio, Anne M Medling, Dilyar Barat, Tania M Barone, Joss Bland-Hawthorn, Sarah Brough, Julia Bryant, Luca Cortese, Caroline Foster, Andrew W Green, Sree Oh, Matthew Colless, Michael J Drinkwater, Simon P Driver, Michael Goodwin, Madusha L P Gunawardhana, Christoph Federrath, Lloyd Harischandra, Yifei Jin, J S Lawrence, Nuria P Lorente, Elizabeth Mannering, Simon O’Toole, Samuel N Richards, Sebastian F Sanchez, Adam L Schaefer, Katrina Sealey, Rob Sharp, Sarah M Sweet, Dan S Taranu, Mathew Varidel
The SAMI Galaxy Survey: Data Release Two with absorption-line physics value-added products
published pages: 2299-2319, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2355
Monthly Notices of the Royal Astronomical Society 481/2 2019-09-02

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