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Article
Peer-Review Record

Hints for a Gravitational Transition in Tully–Fisher Data

Universe 2021, 7(10), 366; https://doi.org/10.3390/universe7100366
by George Alestas, Ioannis Antoniou and Leandros Perivolaropoulos *
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Universe 2021, 7(10), 366; https://doi.org/10.3390/universe7100366
Submission received: 2 September 2021 / Revised: 22 September 2021 / Accepted: 23 September 2021 / Published: 29 September 2021
(This article belongs to the Section Cosmology)

Round 1

Reviewer 1 Report

In the submitted manuscript, the authors have performed a statistical analysis based on the baryonic Tully-Fisher relation, and a compilation of 118 data points from previous works (shown in table 3). The main findings are summarized in 7 figures. Those results may be interpreted either as a systematic effect or as a hint for a gravitational transition, i.e. weaker gravity by 10% in the past. 

The manuscript is well structured, clearly presented, and the literature adequately cited. I find the results interesting, and the manuscript suitable for publication in the Universe. My only comment/suggestion is related to the 4 panels of Fig. 7, where one can hardly see the axes labels. I recommend that the authors make the same figure again with larger axes labels this time. I do not need to see the manuscript again.

 

Author Response

Please see attached pdf file.

Author Response File: Author Response.pdf

Reviewer 2 Report

This is rather interesting work on Tulle-Fisher relation and its evolution as gravitational transition. However, additional question is related with the fact that this relation may somehow change due to effects of modified gravity (there are few reviews on modified gravity in Phys Repts!). Can the authors comment on this?

Author Response

Please see attached pdf file.

Author Response File: Author Response.pdf

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