Seager Equation Detectable Biosignature Worlds Calculator
Conditional Seager-style biosignature-world product using independently established factors; fractions not measured here, no evidence that life exists.
Description
Seager Equation Detectable Biosignature Worlds Calculator: return conditional detectable worlds.
A multiplicative survey model combines a survey size with conditional fractions. The fractions encode assumptions about each stage of detectability.
This tool returns conditional detectable worlds. Use the stated units and model convention when interpreting these fields.
When to use this tool
Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.
- Check the supported input and output contract against an existing calculation or observation.
- Use the complete example to confirm units, selector spelling and result interpretation.
How to use the tool and how it works
- Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
- Run the tool. Correct input errors before interpreting an output.
- Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.
Multiply surveyedStars by the five supplied fractions for quiet stars, planets, habitability, life and detectable signatures.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| surveyedStars | Surveyed stars. | Finite number; zero or greater |
| quietStarFraction | Quiet star fraction. Fractional units; 0.2 means 20%. | Finite number |
| planetFraction | Planet fraction. Fractional units; 0.2 means 20%. | Finite number |
| habitablePlanetFraction | Habitable planet fraction. Fractional units; 0.2 means 20%. | Finite number |
| lifeFraction | Life fraction. Fractional units; 0.2 means 20%. | Finite number |
| detectableSignatureFraction | Detectable signature fraction. Fractional units; 0.2 means 20%. | Finite number |
| Output field | Interpretation |
|---|---|
| result | Object containing the following named result fields. |
| result.conditionalDetectableWorlds | Conditional detectable worlds; use the stated units and sign convention. |
{
"input": {
"surveyedStars": 10000,
"quietStarFraction": 0.5,
"planetFraction": 0.5,
"habitablePlanetFraction": 0.1,
"lifeFraction": 0.2,
"detectableSignatureFraction": 0.1
},
"output": {
"result": {
"conditionalDetectableWorlds": 5
}
}
}Limitations and assumptions
- Fractions must lie between zero and one. The product does not infer unknown biological probabilities or survey completeness.
- Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
- Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.
Alternative or Complementary methods
Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.
References
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