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Few comments upon Gonzalez-Fernandez and Camacho paper (arXiv: 1904.02299)are pointed out. We bring evidences that the analogue gravity recipe does notwork for a BEC in an anisotropic harmonic-oscillator trap. The analogy with anaccelerated observer does not seem to be realistic. Some loopholes related tothe physical units are emphasized.

Comment on 'Accelerated observers emerging from a Bose-Einstein condensate through analogue gravity'