Sgr 1806 20

as donto believed on

From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-06.)

Sgr 1806 20

Has Ec Observed	12 MeV^[6]
Has Ec Predicted	22.6 MeV^[6]
Has Ec Ratio	0.53^[6]
Has Me V Hard Tail Energy	12 MeV^[6]
Has Qpo Modes Count	9^[6]
Has Qpo Observed Frequency	57 Hz^[6]
Has Qpo Predicted Frequency	54.8 Hz^[6]
Has Qpo Ratio	1.04^[6]

ex:sgr-1806-20

Sgr 1806 20 has 60 facts recorded in Dontopedia across 8 references.

60 facts·56 predicates·8 sources

Mostly:rdf:type(4), rdfs:label(2), has ec observed(1)

Has Ec Observed`hasEcObserved`

12 MeV^[6]all time · Part 526

Has Ec Predicted`hasEcPredicted`

22.6 MeV^[6]all time · Part 526

Has Me V Hard Tail Energy`hasMeVHardTailEnergy`

12 MeV^[6]all time · Part 526

Has Qpo Modes Count`hasQpoModesCount`

9^[6]all time · Part 526

Has Qpo Observed Frequency`hasQpoObservedFrequency`

57 Hz^[6]all time · Part 526

Has Qpo Predicted Frequency`hasQpoPredictedFrequency`

54.8 Hz^[6]all time · Part 526

Has Ec Observation`hasEcObservation`

12^[5]all time · Part 520

Has Ec Prediction`hasEcPrediction`

27.9^[5]all time · Part 520

Has Nearest Observed Mode`hasNearestObservedMode`

92.5^[5]all time · Part 520

Has Qpo Prediction`hasQpoPrediction`

67.4^[5]all time · Part 520

Inbound mentions (13)

Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.

`hasSubject`Has Subject(2)

Qpo Validation Resultex:qpo-validation-result
Validation Resultex:validation-result

`assignedValueTo`Assigned Value to(1)

Agentex:agent

`comparesPredictionToObservation`Compares Prediction to Observation(1)

Validationex:validation

`existFor`Exist for(1)

Giant Flare Qposex:giant-flare-qpos

`hasEpeakFor`Has Epeak for(1)

Integral Ibis Catalogex:integral-ibis-catalog

`hasQposFor`Has Qpos for(1)

Curated Dataex:curated-data

`hasTarget`Has Target(1)

Validation Planex:validation-plan

`onlyFor`Only for(1)

Mev Hard Tail Measurementsex:mev-hard-tail-measurements

`performedOn`Performed on(1)

Validationex:validation

`providesMeasurementFor`Provides Measurement for(1)

Collazzi 15ex:collazzi-15

`showsEcFor`Shows Ec for(1)

Validationex:validation

`standsFor`Stands for(1)

Validation Resultex:validation-result

Other facts (48)

The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.

48 facts

Predicate	Value	Ref
Has Genuine Mev Scale Measurement	Mev Scale Measurement	[3]
Has Mev Scale Measurement Value	12	[3]
Integral Ibis Epeak Value	32.4	[3]
E C Observed	12	[2]
E C Observed Source	Collazzi Et Al 2015	[2]
E C Predicted	22.6	[2]
E C Ratio Evaluated As	within 50%	[2]
Has Qpo Observed	57	[2]
Previous Ratio Cause	Old Pdot	[2]
Previous Ratio E C	0.43	[2]
Qpo Matches Prediction	true	[2]
Qpo Match Evaluated As	essentially exact	[2]
Qpo Predicted	54.8	[2]
Qpo Ratio	1.04	[2]
Qpo Source	Huppenkothen Plus 14	[2]
Ratio E C	0.53	[2]
Is Among26 Magnetars	true	[6]
Central to Discussion	null	[3]
Best Match Example	true	[2]
Improved Ratio From	Updated Pdot	[2]
Rdf:type	Magnetar	[1]
Rdf:type	Magnetar	[4]
Rdf:type	Magnetar	[8]
Rdf:type	Magnetar	[7]
Rdfs:label	SGR 1806-20	[4]
Rdfs:label	SGR 1806-20	[7]
Has Qpo Frequency Predicted	54.8 Hz	[7]
Has Qpo Frequency Observed	57 Hz	[7]
Has Observed Value	12 MeV	[7]
Has Predicted Value	22.6 MeV	[7]
Has Measured Hard Tail	12 MeV	[7]
Has Qpo Mode Count	9	[7]
Measurement Source	Collazzi+15	[4]
Has Measurement Scale	MeV-scale	[4]
Has Ec Measurement	12 MeV	[4]
Qpo Prediction Quality	essentially exact	[1]
Has Qpo Prediction Ratio	1.04	[1]
Has Predicted Qpo Frequency	54.8 Hz	[1]
Qpo Reported in	Huppenkothen 14	[1]
Has Qpo Frequency	57 Hz	[1]
Previous Calculation Based on	old Pdot	[1]
Previous Prediction Ratio	0.43	[1]
Has Prediction Ratio	0.53	[1]
Has Observed Ec	12.0 MeV	[1]
Has Predicted Ec	22.6 MeV	[1]
Analysed by	Collazzi Et Al 2015	[1]
Has Ec Value	12 MeV	[1]
Has Name	SGR 1806-20	[1]

Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.

60 undated

—

analysedByblah/watt-activation/518

ex:collazzi-et-al-2015

—

bestMatchExampleblah/watt-activation/part-521

true

—

centralToDiscussionblah/watt-activation/part-522

null

—

e_cObservedblah/watt-activation/part-521

—

e_cObservedSourceblah/watt-activation/part-521

ex:collazzi-et-al-2015

—

e_cPredictedblah/watt-activation/part-521

22.6

—

e_cRatioEvaluatedAsblah/watt-activation/part-521

within 50%

—

hasEcMeasurementblah/watt-activation/519

12 MeV

—

hasEcObservationblah/watt-activation/part-520

—

hasEcObservedblah/watt-activation/part-526

12 MeV

—

hasEcPredictedblah/watt-activation/part-526

22.6 MeV

—

hasEcPredictionblah/watt-activation/part-520

27.9

—

hasEcRatioblah/watt-activation/part-526

0.53

—

hasEcValueblah/watt-activation/518

12 MeV

—

hasGenuineMevScaleMeasurementblah/watt-activation/part-522

ex:mev-scale-measurement

—

hasMeasuredHardTailblah/watt-activation/523

12 MeV

—

hasMeasurementScaleblah/watt-activation/519

MeV-scale

—

hasMeVHardTailEnergyblah/watt-activation/part-526

12 MeV

—

hasMevScaleMeasurementValueblah/watt-activation/part-522

—

hasNameblah/watt-activation/518

SGR 1806-20

—

hasNearestObservedModeblah/watt-activation/part-520

92.5

—

hasObservedEcblah/watt-activation/518

12.0 MeV

—

hasObservedValueblah/watt-activation/523

12 MeV

—

hasPredictedEcblah/watt-activation/518

22.6 MeV

—

hasPredictedQpoFrequencyblah/watt-activation/518

54.8 Hz

—

hasPredictedValueblah/watt-activation/523

22.6 MeV

—

hasPredictionRatioblah/watt-activation/518

0.53

—

hasQpoFrequencyblah/watt-activation/518

57 Hz

—

hasQpoFrequencyObservedblah/watt-activation/523

57 Hz

—

hasQpoFrequencyPredictedblah/watt-activation/523

54.8 Hz

—

hasQpoModeCountblah/watt-activation/523

—

hasQpoModesCountblah/watt-activation/part-526

—

hasQpoObservedblah/watt-activation/part-521

—

hasQpoObservedFrequencyblah/watt-activation/part-526

57 Hz

—

hasQpoPredictedFrequencyblah/watt-activation/part-526

54.8 Hz

—

hasQpoPredictionblah/watt-activation/part-520

67.4

—

hasQpoPredictionRatioblah/watt-activation/518

1.04

—

hasQpoRatioblah/watt-activation/part-526

1.04

—

improvedRatioFromblah/watt-activation/part-521

ex:updated-pdot

—

integralIbisEpeakValueblah/watt-activation/part-522

32.4

—

isAmong26Magnetarsblah/watt-activation/part-526

true

—

measurementSourceblah/watt-activation/519

ex:collazzi+15

—

previousCalculationBasedOnblah/watt-activation/518

old Pdot

—

previousPredictionRatioblah/watt-activation/518

0.43

—

previousRatioCauseblah/watt-activation/part-521

ex:old-pdot

—

previousRatioE_cblah/watt-activation/part-521

0.43

—

qpoMatchesPredictionblah/watt-activation/part-521

true

—

qpoMatchEvaluatedAsblah/watt-activation/part-521

essentially exact

—

qpoPredictedblah/watt-activation/part-521

54.8

—

qpoPredictionQualityblah/watt-activation/518

essentially exact

—

qpoRatioblah/watt-activation/part-521

1.04

—

qpoReportedInblah/watt-activation/518

ex:huppenkothen-14

—

qpoSourceblah/watt-activation/part-521

ex:huppenkothen-plus-14

—

ratioE_cblah/watt-activation/part-521

0.53

—

labelblah/watt-activation/519

SGR 1806-20

—

labelblah/watt-activation/523

SGR 1806-20

—

typeblah/watt-activation/518

ex:Magnetar

—

typeblah/watt-activation/519

ex:Magnetar

—

typeblah/watt-activation/517

ex:Magnetar

—

typeblah/watt-activation/523

ex:Magnetar

References (8)

8 references

[1]51814 facts
customctx:discord/blah/watt-activation/518
[2]Part 52115 facts
customctx:discord/blah/watt-activation/part-521
[3]Part 5224 facts
customctx:discord/blah/watt-activation/part-522
[4]watt-activation-5195 facts
customctx:discord/blah/watt-activation/519
- full textwatt-activation-519
  text/plain2 KBdoc:agent/watt-activation-519/6fff3ae6-c08b-4c29-81d1-1896383fb4af
  Show excerpt
  [2026-03-23 00:52] xenonfun: ⏺ The honest answer is that the observational data we have is already most of what's published. The bottleneck is: For E_c (burst cutoffs): - Only SGR 1806-20 has a genuine MeV-scale measurement (12 MeV fro…
[5]Part 5204 facts
customctx:discord/blah/watt-activation/part-520
[6]Part 5269 facts
customctx:discord/blah/watt-activation/part-526
[7]watt-activation-5238 facts
customctx:discord/blah/watt-activation/523
- full textwatt-activation-523
  text/plain3 KBdoc:agent/watt-activation-523/1e284aca-e1a0-46ac-81ee-3fbc28c76d84
  Show excerpt
  [2026-03-23 01:26] xenonfun: ⏺ Here's the honest status: What we have: - 26 magnetars with spin parameters from McGill/ATNF - 5 with QPO detections (SGR 1806-20: 9 modes, SGR 1900+14: 4, SGR 0526-66: 1, SGR 1935+2154: 1, SGR J1550-54…
[8]watt-activation-5171 fact
customctx:discord/blah/watt-activation/517
- full textwatt-activation-517
  text/plain2 KBdoc:agent/watt-activation-517/cf7c78b2-1cf7-4523-97b8-9d0870238180
  Show excerpt
  [2026-03-22 22:46] xenonfun: 6 JSONL files with 101 data points each ready in harmonic-core/snapshots/. The dashboard Field tab should now be switchable after the server restart. The panels will show data once we wire JSONL loading into …

Keep researching

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Sgr 1806 20

Has Ec Observed`hasEcObserved`

Has Ec Predicted`hasEcPredicted`

Has Ec Ratio`hasEcRatio`

Has Me V Hard Tail Energy`hasMeVHardTailEnergy`

Has Qpo Modes Count`hasQpoModesCount`

Has Qpo Observed Frequency`hasQpoObservedFrequency`

Has Qpo Predicted Frequency`hasQpoPredictedFrequency`

Has Qpo Ratio`hasQpoRatio`

Has Ec Observation`hasEcObservation`

Has Ec Prediction`hasEcPrediction`

Has Nearest Observed Mode`hasNearestObservedMode`

Has Qpo Prediction`hasQpoPrediction`

Inbound mentions (13)

`hasSubject`Has Subject(2)

`assignedValueTo`Assigned Value to(1)

`comparesPredictionToObservation`Compares Prediction to Observation(1)

`existFor`Exist for(1)

`hasEpeakFor`Has Epeak for(1)

`hasQposFor`Has Qpos for(1)

`hasTarget`Has Target(1)

`onlyFor`Only for(1)

`performedOn`Performed on(1)

`providesMeasurementFor`Provides Measurement for(1)

`showsEcFor`Shows Ec for(1)

`standsFor`Stands for(1)

Other facts (48)

Timeline

References (8)

See also

Keep researching

Sgr 1806 20

Has Ec ObservedhasEcObserved

Has Ec PredictedhasEcPredicted

Has Ec RatiohasEcRatio

Has Me V Hard Tail EnergyhasMeVHardTailEnergy

Has Qpo Modes CounthasQpoModesCount

Has Qpo Observed FrequencyhasQpoObservedFrequency

Has Qpo Predicted FrequencyhasQpoPredictedFrequency

Has Qpo RatiohasQpoRatio

Has Ec ObservationhasEcObservation

Has Ec PredictionhasEcPrediction

Has Nearest Observed ModehasNearestObservedMode

Has Qpo PredictionhasQpoPrediction

Inbound mentions (13)

hasSubjectHas Subject(2)

assignedValueToAssigned Value to(1)

comparesPredictionToObservationCompares Prediction to Observation(1)

existForExist for(1)

hasEpeakForHas Epeak for(1)

hasQposForHas Qpos for(1)

hasTargetHas Target(1)

onlyForOnly for(1)

performedOnPerformed on(1)

providesMeasurementForProvides Measurement for(1)

showsEcForShows Ec for(1)

standsForStands for(1)

Other facts (48)

Timeline

References (8)

See also

Keep researching

Has Ec Observed`hasEcObserved`

Has Ec Predicted`hasEcPredicted`

Has Ec Ratio`hasEcRatio`

Has Me V Hard Tail Energy`hasMeVHardTailEnergy`

Has Qpo Modes Count`hasQpoModesCount`

Has Qpo Observed Frequency`hasQpoObservedFrequency`

Has Qpo Predicted Frequency`hasQpoPredictedFrequency`

Has Qpo Ratio`hasQpoRatio`

Has Ec Observation`hasEcObservation`

Has Ec Prediction`hasEcPrediction`

Has Nearest Observed Mode`hasNearestObservedMode`

Has Qpo Prediction`hasQpoPrediction`

`hasSubject`Has Subject(2)

`assignedValueTo`Assigned Value to(1)

`comparesPredictionToObservation`Compares Prediction to Observation(1)

`existFor`Exist for(1)

`hasEpeakFor`Has Epeak for(1)

`hasQposFor`Has Qpos for(1)

`hasTarget`Has Target(1)

`onlyFor`Only for(1)

`performedOn`Performed on(1)

`providesMeasurementFor`Provides Measurement for(1)

`showsEcFor`Shows Ec for(1)

`standsFor`Stands for(1)