Red Dwarf Pre-Main-Sequence Bright Phase Duration Calculator
Piecewise-linear caller-reference interpolation only: actual metallicity, track edition and independently defined bright-phase criterion; no omitted stellar evolution model. No extrapolation, causal simulation, safe-use approval or universal prediction.
Description
Red Dwarf Pre-Main-Sequence Bright Phase Duration Calculator: return interpolated value.
A pre-main-sequence bright phase is a feature of a chosen stellar-evolution model. A mass-duration table can be interpolated only within its qualified range.
This tool returns interpolated value. 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.
Validate the supplied source, context and date; require matched values at at least two increasing mass knots. Interpolate linearly between the neighboring knots and reject extrapolation.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| callerVerifiedSource | Identify the independently checked source and edition; a nonblank label is required. | Text |
| callerVerifiedContext | State the applicable population, method, model or jurisdiction; a nonblank description is required. | Text |
| callerVerifiedAsOfDate | Gregorian date YYYY-MM-DD identifying the supplied reference context. | Text |
| qualifiedMassesSolar | Qualified masses solar. | List of finite numbers |
| qualifiedBrightPhaseYears | Qualified bright phase years. Years. | List of finite numbers |
| query | Query. | Finite number |
| Output field | Interpretation |
|---|---|
| result | Object containing the following named result fields. |
| result.interpolatedValue | Interpolated value; use the stated units and sign convention. |
{
"input": {
"callerVerifiedSource": "independently-reviewed-calibration/edition",
"callerVerifiedContext": "actual metallicity, track edition and independently defined bright-phase criterion; no omitted stellar evolution model",
"callerVerifiedAsOfDate": "2026-01-01",
"query": 0.2,
"qualifiedMassesSolar": [
0.1,
0.3
],
"qualifiedBrightPhaseYears": [
1000000000,
100000000
]
},
"output": {
"result": {
"interpolatedValue": 550000000
}
}
}Limitations and assumptions
- No stellar-evolution grid is bundled or verified, and a linear interpolation does not add uncertainty estimates.
- 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
Similar or alternative tools
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