Image:Extragalactic Distance Ladder.svg
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Extragalactic_Distance_Ladder.svg (SVG file, nominally 720 × 540 pixels, file size: 444 KB)
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[edit] Summary
Extragalactic Distance Ladder Legend:
- Light Green Boxes: Technique applicable to star-forming galaxies.
- Light Blue Boxes: Technique applicable to Population II galaxies.
- Light Purple Boxes: Geometric distance technique.
- Light Red Box: The planetary nebula luminosity function technique is applicable to all populations of the Virgo Supercluster.
- Solid Black Lines: Well calibrated ladder step.
- Dashed Black Lines: Uncertain calibration ladder step.
[edit] References
- Ciardullo, Robin (July 2004), "The Planetary Nebula Luminosity Function", eprint arXiv:astro-ph/0407290
| Description |
Extragalactic Distance Ladder |
|---|---|
| Source |
self-made |
| Date | |
| Author | |
| Permission (Reusing this image) |
see below |
[edit] Licensing
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 17:18, 22 January 2008 | 720×540 (444 KB) | WilliamKF |
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