A common Milgromian acceleration scale in nature

Pavel Kroupa; Indranil Banik; Hosein Haghi; Akram Hasani Zonoozi; Joerg Dabringhausen; Behnam Javanmardi; Oliver Mueller; Xufen Wu; Hongsheng Zhao

doi:10.1038/s41550-018-0622-x

A common Milgromian acceleration scale in nature

Pavel Kroupa^*, Indranil Banik, Hosein Haghi, Akram Hasani Zonoozi, Joerg Dabringhausen, Behnam Javanmardi, Oliver Mueller, Xufen Wu, Hongsheng Zhao

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Contribution to journal › Comment/debate › peer-review

Abstract

A central problem of contemporary physics is whether the law of gravity is non-Newtonian on galaxy scales. Rodrigues et al. argue that Milgromian gravitation, which solves the flat rotation curve problem without the need for dark matter particles, is ruled out at > 10σ significance. To a large extent, this conclusion relies on galaxies with very uncertain distances and/or nearly edge-on orientations, where dust obscuration often becomes significant. Applying appropriate quality cuts to the data leaves only a handful of outliers to the predictions of Milgromian gravitation according to the analysis of Rodrigues et al., but even these outliers can be explained with Milgromian gravitation.

Original language	English
Pages (from-to)	925-926
Number of pages	2
Journal	Nature Astronomy
Volume	2
Early online date	13 Nov 2018
DOIs	https://doi.org/10.1038/s41550-018-0622-x
Publication status	Published - Dec 2018

Keywords

Rotation curves
Galaxies
Dynamics

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© 2018, Springer Nature. This work has been made available online in accordance with the publisher's policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1038/s41550-018-0622-x
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https://arxiv.org/abs/1811.11754Licence: CC BY

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title = "A common Milgromian acceleration scale in nature",

abstract = "A central problem of contemporary physics is whether the law of gravity is non-Newtonian on galaxy scales. Rodrigues et al. argue that Milgromian gravitation, which solves the flat rotation curve problem without the need for dark matter particles, is ruled out at > 10σ significance. To a large extent, this conclusion relies on galaxies with very uncertain distances and/or nearly edge-on orientations, where dust obscuration often becomes significant. Applying appropriate quality cuts to the data leaves only a handful of outliers to the predictions of Milgromian gravitation according to the analysis of Rodrigues et al., but even these outliers can be explained with Milgromian gravitation.",

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note = "I.B. and A.H.Z. are Alexander von Humboldt Fellows. H.H. is a DAAD visiting scholar. B.J. and J.D. are grateful for the hospitality of the SPODYR group in Bonn and of the AIfA, where this work was done. O.M. thanks the Swiss National Science Foundation for financial support. X.W. acknowledges support from the Natural Science Foundation of China (grant numbers 11503025 and 11421303), the Anhui Natural Science Foundation (grant number 1708085MA20), the Hundred Talents Project of Anhui Province and the Fundamental Research Funds for the Central Universities. We thank the DAAD-Ostpartnerschaftsprogramm f{\"u}r 2018 at the University of Bonn for funding exchange visits between Charles University in Prague and Bonn University.",

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doi = "10.1038/s41550-018-0622-x",

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AU - Kroupa, Pavel

AU - Banik, Indranil

AU - Haghi, Hosein

AU - Zonoozi, Akram Hasani

AU - Dabringhausen, Joerg

AU - Javanmardi, Behnam

AU - Mueller, Oliver

AU - Wu, Xufen

AU - Zhao, Hongsheng

N1 - I.B. and A.H.Z. are Alexander von Humboldt Fellows. H.H. is a DAAD visiting scholar. B.J. and J.D. are grateful for the hospitality of the SPODYR group in Bonn and of the AIfA, where this work was done. O.M. thanks the Swiss National Science Foundation for financial support. X.W. acknowledges support from the Natural Science Foundation of China (grant numbers 11503025 and 11421303), the Anhui Natural Science Foundation (grant number 1708085MA20), the Hundred Talents Project of Anhui Province and the Fundamental Research Funds for the Central Universities. We thank the DAAD-Ostpartnerschaftsprogramm für 2018 at the University of Bonn for funding exchange visits between Charles University in Prague and Bonn University.

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N2 - A central problem of contemporary physics is whether the law of gravity is non-Newtonian on galaxy scales. Rodrigues et al. argue that Milgromian gravitation, which solves the flat rotation curve problem without the need for dark matter particles, is ruled out at > 10σ significance. To a large extent, this conclusion relies on galaxies with very uncertain distances and/or nearly edge-on orientations, where dust obscuration often becomes significant. Applying appropriate quality cuts to the data leaves only a handful of outliers to the predictions of Milgromian gravitation according to the analysis of Rodrigues et al., but even these outliers can be explained with Milgromian gravitation.

AB - A central problem of contemporary physics is whether the law of gravity is non-Newtonian on galaxy scales. Rodrigues et al. argue that Milgromian gravitation, which solves the flat rotation curve problem without the need for dark matter particles, is ruled out at > 10σ significance. To a large extent, this conclusion relies on galaxies with very uncertain distances and/or nearly edge-on orientations, where dust obscuration often becomes significant. Applying appropriate quality cuts to the data leaves only a handful of outliers to the predictions of Milgromian gravitation according to the analysis of Rodrigues et al., but even these outliers can be explained with Milgromian gravitation.

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KW - Galaxies

KW - Dynamics

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DO - 10.1038/s41550-018-0622-x

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SN - 2397-3366

VL - 2

SP - 925

EP - 926

JO - Nature Astronomy

JF - Nature Astronomy

ER -

A common Milgromian acceleration scale in nature

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