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Cited by 230

The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Galaxy and Mass Assembly (GAMA): the star formation rate dependence of the stellar initial mass function: IMF-SFR relationship

Open access
Gunawardhana, M. L. P., Hopkins, A. M., Sharp, R. G., Brough, S., Taylor, E., Bland-Hawthorn, J., Maraston, C., Tuffs, R. J., Popescu, C. C., Wijesinghe, D., Jones, D. H., Croom, S., Sadler, E., Wilkins, S., Driver, S. P., Liske, J., Norberg, P., Baldry, I. K., Bamford, S. P., Loveday, J., Peacock, J. A., Robotham, A. S. G., Zucker, D. B., Parker, Q. A., Conselice, C. J., Cameron, E., Frenk, C. S., Hill, D. T., Kelvin, L. S., Kuijken, K., Madore, B. F., Nichol, B., Parkinson, H. R., Pimbblet, K. A., Prescott, M., Sutherland, W. J., Thomas, D., van Kampen, E.·2011·Monthly Notices of the Royal Astronomical Society
DOI 10.1111/j.1365-2966.2011.18800.x
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Abstract

The stellar initial mass function (IMF) describes the distribution in stellar masses produced from a burst of star formation. For more than 50 yr, the implicit assumption underpinning most areas of research involving the IMF has been that it is universal, regardless of time and environment. We measure the high-mass IMF slope for a sample of low-to-moderate redshift galaxies from the Galaxy and Mass Assembly survey. The large range in luminosities and galaxy masses of the sample permits the exploration of underlying IMF dependencies. A strong IMF–star formation rate dependency is discovered, which shows that highly star-forming galaxies form proportionally more massive stars (they have IMFs with flatter power-law slopes) than galaxies with low star formation rates. This has a significant impact on a wide variety of galaxy evolution studies, all of which rely on assumptions about the slope of the IMF. Our result is supported by, and provides an explanation for, the results of numerous recent explorations suggesting a variation of or evolution in the IMF.

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Metadata

Authors
Gunawardhana, M. L. P., Hopkins, A. M., Sharp, R. G., Brough, S., Taylor, E., Bland-Hawthorn, J., Maraston, C., Tuffs, R. J., Popescu, C. C., Wijesinghe, D., Jones, D. H., Croom, S., Sadler, E., Wilkins, S., Driver, S. P., Liske, J., Norberg, P., Baldry, I. K., Bamford, S. P., Loveday, J., Peacock, J. A., Robotham, A. S. G., Zucker, D. B., Parker, Q. A., Conselice, C. J., Cameron, E., Frenk, C. S., Hill, D. T., Kelvin, L. S., Kuijken, K., Madore, B. F., Nichol, B., Parkinson, H. R., Pimbblet, K. A., Prescott, M., Sutherland, W. J., Thomas, D., & van Kampen, E.
Venue
Monthly Notices of the Royal Astronomical Society
Publisher
Oxford University Press (OUP)
Published
2011-07-04
Volume
415
Issue
2
Pages
1647-1662
ISSN
0035-8711 (ISSN-L)
DOI
10.1111/j.1365-2966.2011.18800.x
OpenAlex
W1904244634
Cited by
230
References
2
FWCI
11.06
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Galaxy and Mass Assembly (GAMA): the star formation rate dependence of the stellar initial mass function: IMF-SFR relationship. https://app.cochat.ai/papers/10.1111/j.1365-2966.2011.18800.x
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Gunawardhana, M. L. P., Hopkins, A. M., Sharp, R. G., Brough, S., Taylor, E., Bland-Hawthorn, J., Maraston, C., Tuffs, R. J., Popescu, C. C., Wijesinghe, D., Jones, D. H., Croom, S., Sadler, E., Wilkins, S., Driver, S. P., Liske, J., Norberg, P., Baldry, I. K., Bamford, S. P., . . . van Kampen, E. (2011). Galaxy and Mass Assembly (GAMA): the star formation rate dependence of the stellar initial mass function: IMF-SFR relationship. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1111/j.1365-2966.2011.18800.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.