Conceptual overview of the baseline and variants of the Local Distance Network, a multi-route approach to deriving the Hubble constant in our universe. Included are a non-exhaustive collection of various methods for determining galactic distances and how these can connect the absolute scale established through geometric means to the Hubble constant H0. Background rectangles illustrate the positions of Rung 1, Rung 2 and Rung 3 in a traditional distance ladder from left to right.
The graphic was developed within the framework of the ISSI Workshop ‘What’s under the H0od? Towards Consensus on the local value of the Hubble Constant‘ at the International Space Science Institute (ISSI) in Bern, Switzerland.
The Scientific colour map ‘hirta‘ is used to make the colour coding accessible to all readers.
- Creators: Fabio Crameri, Richard I. Anderson, Adam Riess
- This version: 22.04.2026
- License: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
- Specific citation: These graphics by Fabio Crameri (ISSI Bern) based on the original by Richard I. Anderson and the H₀DN Collaboration (2026) are available via the open-access s-ink.org repository.
- Related reference:
H₀DN Collaboration, Casertano, S., Anand, G., Anderson, R. I., et al. (2026). The Local Distance Network: A community consensus report on the measurement of the Hubble constant at ∼1% precision, Astronomy & Astrophysics, 708, A166. https://doi.org/10.1051/0004-6361/202557993
- Animated gif
- Individual still graphics
- Separate overview graphic
- Suitable for light & dark backgrounds
- Colour-vision deficiency friendly
- Readable in black&white
- Vector graphics versions
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