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https://doi.org/10.1086/301048

has been cited by the following article:

• TITLE: Warm Dark Matter Studies with Spiral Galaxy Data

  AUTHORS: Bruce Hoeneisen

  KEYWORDS: Warm Dark Matter, Spiral Galaxies

  JOURNAL NAME: International Journal of Astronomy and Astrophysics, Vol.15 No.4, November 4, 2025

  ABSTRACT: We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms ( 1 ) , with nearly 3000 spiral galaxy rotation curves in the PROBES catalog. The results are v hrms ( 1 )=700±165 m/s if dark matter is collisional, or v hrms ( 1 )≈280±95 m/s if dark matter is collisionless. These results are in agreement with previous measurements of v hrms ( 1 ) , and with independent measurements of the linear density power spectrum cut-off wavevector k fs due to free-streaming, but are in disagreement with limits. This disagreement is not currently understood.