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The DESI DR1 Peculiar Velocity Survey: Global Zero-point and H0 Constraints

  • Authors: A. Carr, C. Howlett, A. J. Amsellem, Tamara M. Davis, K. Said, D. Parkinson, A. Palmese, J. Aguilar, S. Ahlen, J. Bautista, S. BenZvi, D. Bianchi, C. Blake, D. Brooks, T. Claybaugh, A. Cuceu, A. de la Macorra, P. Doel, K. Douglass, S. Ferraro, J. E. Forero-Romero, E. Gaztañaga, S. Gontcho A Gontcho, G. Gutierrez, H. K. Herrera-Alcantar, K. Honscheid, D. Huterer, M. Ishak, R. Joyce, A. G. Kim, D. Kirkby, A. Kremin, O. Lahav, C. Lamman, M. Landriau, L. Le Guillou, M. E. Levi, M. Manera, A. Meisner, R. Miquel, J. Moustakas, S. Nadathur, W. J. Percival, F. Prada, I. Pérez-Ràfols, F. Qin, C. Ross, G. Rossi, E. Sanchez, D. Schlegel, H. Seo, D. Sprayberry, G. Tarlé, R. J. Turner, B. A. Weaver, P. Zarrouk, R. Zhou, H. Zou

A. Carr et al 2026 The Astrophysical Journal 1004 .

  • Provider: AAS Journals

Caption: Figure 10.

Whisker plot of all systematic tests. Each point corresponds to a single change to the fiducial zero-pointing and H0 fitting pipeline. The black point, gray-shaded region, and gray dashed line all represent the fiducial measurement, and each color corresponds to the systematic group described in Sections 6.1.1 to 6.1.5. The weighted standard deviation of all tests results in ﹩{\sigma }_{{H}_{0}}\ \,\rm{(syst.)}\,=0.29﹩ km s−1 Mpc−1.

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