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CCD Observations and CCD Observations and Preliminary Analysis Preliminary Analysis of the of the “End-of-the-Line” W “End-of-the-Line” W UMa Eclipsing Binary UMa Eclipsing Binary V523 Cas V523 Cas Presenting Authors: Presenting Authors: Russell M. Genet, Orion Observatory Russell M. Genet, Orion Observatory Thomas C. Smith, Dark Ridge Observatory Thomas C. Smith, Dark Ridge Observatory Contributing Authors: Dirk Terrell, Southwest Research Institute Laurance Doyle, SETI Institute

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Page 1: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

CCD Observations and CCD Observations and Preliminary Analysis of thePreliminary Analysis of the “End-of-the-Line” W UMa “End-of-the-Line” W UMa Eclipsing Binary V523 CasEclipsing Binary V523 Cas

Presenting Authors:Presenting Authors:Russell M. Genet, Orion ObservatoryRussell M. Genet, Orion ObservatoryThomas C. Smith, Dark Ridge ObservatoryThomas C. Smith, Dark Ridge Observatory

Contributing Authors:Dirk Terrell, Southwest Research InstituteLaurance Doyle, SETI Institute

Page 2: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Program OverviewProgram Overview

• First year “pilot”• Concentrated on two W UMa binaries

• Complete light curves every night

• Often from two observatories

• Primary science goal• Study changes in light curve shapes

• Secondary science goals• Precise seasonal ephemeredes

• Consider hot “Jupiter” transits

• Technical goals• Develop analytical tools

• Explore photometric precision

Page 3: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Presentation OutlinePresentation Outline

• Introduction to W UMa Binaries

• Observations and Reduction

• V523 Cas Preliminary Analysis

• V523 Cas “Movie”

• Question & Answers

Russ

Tom

Russ

Tom

All

Page 4: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Presentation OutlinePresentation Outline

• Introduction to W UMa Binaries

• Observations and Reduction

• V523 Cas Preliminary Analysis

• V523 Cas “Movie”

• Question & Answers

Russ

Tom

Russ

Tom

All

Page 5: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

• Photometric / Magnetic Variability

• Intrinsic Period Changes

• Third – Body Period Changes

• Planetary Transits

Introduction to W UMa BinariesIntroduction to W UMa Binaries

Page 6: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

• Photometric / Magnetic Variability

• Intrinsic Period Changes

• Third – Body Period Changes

• Planetary Transits

Introduction to W UMa BinariesIntroduction to W UMa Binaries

Page 7: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

W UMa’s BinariesW UMa’s Binaries

• Over contact

• Dissimilar stars

Common envelope

Yet nearly same temperature

• Very Different masses

• Huge transfer of energy

Large to small

Page 8: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Color – Period RelationshipColor – Period Relationship

Page 9: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Color – Period RelationshipColor – Period Relationship

Page 10: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

A W

More evolved

Higher masses

Thicker envelopes

Unevolved

Lower masses

Cannot achieve equilibrium

Period changes

Light curve variabilityBrighter star

Dimmer star

A and W Type W-UMa Binaries

Page 11: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

W Type W UMa VariabilityW Type W UMa Variability

• Large Rosby number Fast rotators

Long convection turnover times

• For single stars Late Slow rotator

• For W UMa Late Fast rotator

• Ideal “laboratories” for magnetic activity

• Revealed through changing light curves

• “Movies” instead of disjointed snapshots

Page 12: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Bright Northern Short Period W UMa’sBright Northern Short Period W UMa’s

Page 13: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

• Photometric / Magnetic Variability

• Intrinsic Period Changes

• Third – Body Period Changes

• Planetary Transits

Introduction to W UMa BinariesIntroduction to W UMa Binaries

Page 14: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Intrinsic Period ChangesIntrinsic Period Changes

• Angular Momentum Loss• Gravitational radiation

• Mass loss

• Magnetic breaking

• Mass transfer between stars

• Applegate effect

Page 15: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

• Photometric / Magnetic Variability

• Intrinsic Period Changes

• Third – Body Period Changes

• Planetary Transits

Introduction to W UMa BinariesIntroduction to W UMa Binaries

Page 16: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

SETI Visit with Laurance DoyleSETI Visit with Laurance Doyle

Page 17: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

BarycentersBarycenters

Page 18: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas Long-Term O-CV523 Cas Long-Term O-C

Page 19: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

CM Dra ProgramCM Dra Program

Page 20: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

• Photometric / Magnetic Variability

• Intrinsic Period Changes

• Third – Body Period Changes

• Planetary Transits

Introduction to W UMa BinariesIntroduction to W UMa Binaries

Page 21: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Transit PerspectiveTransit Perspective

II

I

Inclination Angle

Page 22: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

High Inclination W UMa StarsHigh Inclination W UMa Stars

Page 23: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Solar Radii vs. Line-of-Sight Solar Radii vs. Line-of-Sight Inclination AngleInclination Angle

Page 24: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Three Transit PlotsThree Transit Plots

Page 25: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Presentation OutlinePresentation Outline

• Introduction to W UMa Binaries

• Observations and Reduction

• V523 Cas Preliminary Analysis

• V523 Cas “Movie”

• Question & Answers

Russ

Tom

Russ

Tom

All

Page 26: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Dark Ridge Observatory (DRO)Dark Ridge Observatory (DRO)

Page 27: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Orion Observatory (OO)Orion Observatory (OO)

Page 28: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Image Reduction FlowchartImage Reduction Flowchart

Page 29: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

DRO/OO Observational Database 2004DRO/OO Observational Database 2004

Page 30: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Light-Curve DatabaseLight-Curve Database

Page 31: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Raw Text File to Raw Excel 25KSub buildPhase() ' use the getPhase function to populate the phase field Dim myDb As Database Dim myRs As Recordset Set myDb = CurrentDb() Set myRs = myDb.OpenRecordset("Select * from tblLightCurve", dbOpenDynaset) Do While Not myRs.EOF myRs.Edit myRs.Fields("Phase").Value = getPhase(myRs.Fields("HJD").Value).phase myRs.Fields("Cycle").Value = getPhase(myRs.Fields("HJD").Value).Cycle myRs.Update myRs.MoveNext Loop MsgBox "Done"End SubSub buildAdjustedPhase() ' use the getPhase function to populate the phase field Dim myDb As Database

1 2

3Raw Source

Database

1a

Page 32: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Presentation OutlinePresentation Outline

• Introduction to W UMa Binaries

• Observations and Reduction

• V523 Cas Preliminary Analysis

• V523 Cas “Movie”

• Question & Answers

Russ

Tom

Russ

Tom

All

Page 33: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas Preliminary Analysis

Page 34: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Analysis ConsiderationsAnalysis Considerations

• Specialized analysis

• Complete light curves only

• Many complete curves

• Multiple observatories

• Preliminary

• Analysis not completed

• No ensemble photometry yet

• Automation

• Not just labor efficiency

• Parametric outer loop

• In conjunction with WD (Terrell)

Page 35: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Edits and Adjustments

Page 36: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

25K Database 24,761

Bad Weather -3,232

C&K Zeros -54

3-Sigma Cuts -173

V-C Outliers -54

21K Database 21,248

Edits and Adjustments

Page 37: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Beginning and Ending Database RowsBeginning and Ending Database Rows

Page 38: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Typical DRO 21K Database Light CurveTypical DRO 21K Database Light Curve

Page 39: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Typical OO 21K Database Light CurveTypical OO 21K Database Light Curve

Page 40: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Classical Analysis

Page 41: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Robert Nelson’s Minima23Robert Nelson’s Minima23

Page 42: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas Seasonal O-CV523 Cas Seasonal O-C

Page 43: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Phase-Binned Analysis

Page 44: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Eclipsing Binary PhasesEclipsing Binary Phases

0.00 0.25 0.50 0.000.75 0.25

Page 45: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

HJD to Phase TransformationHJD to Phase Transformation

Epoch – JD Obs

Period{ }=Φ

Epoch = 2453234.63551606

Period = 0.23369537

Page 46: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

21K Data Point Phase Plot V523 Cas21K Data Point Phase Plot V523 Cas

Page 47: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Phase BinningPhase Binning

Epoch – JD Obs

Period{ }=Φ

Page 48: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Phase – Binned Analysis IPhase – Binned Analysis I

...

Page 49: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Phase – Binned Analysis IIPhase – Binned Analysis II

...

DifferenceEngine

...

Page 50: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Season Master Curve V523 Cas 2004 Season Master Curve Utilizing the Binning MethodUtilizing the Binning Method

Page 51: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Symmetry Analysis

Page 52: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Symmetry AlgorithmSymmetry Algorithm

… …

Y2 = Y1 + (X2 – X1)(Y3 – Y1)

(X3 – X1)

ΣN

S=1

(Y2L – Y2R)=

... ……

N 13 2 N1 2 3

X1 X1X2 X3 X2 X3

Left Right

Y1

Y3

Y2

Y1

Y3

Y2

Page 53: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Total PhaseTotal Phase

Page 54: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Secondary Minima NarrowSecondary Minima Narrow

Page 55: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

First Maxima NarrowFirst Maxima Narrow

Page 56: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Presentation OutlinePresentation Outline

• Introduction to W UMa Binaries

• Observations and Reduction

• V523 Cas Preliminary Analysis

• V523 Cas “Movie”

• Question & Answers

Russ

Tom

Russ

Tom

All

Page 57: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Making the MovieMaking the Movie

• 35 pictures were created from the binned, zero-shifted V-C plots.

• The pictures have been arranged in chronological order to represent the nightly results and to show the night-to-night changes in the shapes of the light curves as compared to the master season curve created from all 21K observations.

• The following 35 frames represent a visual depiction of those changes in a somewhat dynamic show.

Page 58: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots

Page 59: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 1

Page 60: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 2

Page 61: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 3

Page 62: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 4

Page 63: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 5

Page 64: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 6

Page 65: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 7

Page 66: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 8

Page 67: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 9

Page 68: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 10

Page 69: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 11

Page 70: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 12

Page 71: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 13

Page 72: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 14

Page 73: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 15

Page 74: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 16

Page 75: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 17

Page 76: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 18

Page 77: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 19

Page 78: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 20

Page 79: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 21

Page 80: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 22

Page 81: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 23

Page 82: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 24

Page 83: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 25

Page 84: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 26

Page 85: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 27

Page 86: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 28

Page 87: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 29

Page 88: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 30

Page 89: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 31

Page 90: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 32

Page 91: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 33

Page 92: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 34

Page 93: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

V523 Cas 2004 Seasonal Movie V523 Cas 2004 Seasonal Movie of Binned Difference Plotsof Binned Difference Plots Frame 35

Page 94: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Preliminary ConclusionsPreliminary Conclusions

• Changes in light curve shapes• Definite changes September to December

• Possible changes within August and September

• Small O-C variations• Difficult to detect within season

• But likely between seasons

• May detect distant “Jupiters” (over several years)

• Transits• Several W UMa candidates

• Detection difficult due to changing times of transit / spots

Page 95: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Potential Future EffortsPotential Future Efforts

Dirk Terrell,

Darth’s other side!

The Master Modeler…

• Photometric precision

• Parametric analysis / automation

• Data archives to AAVSO

• Give V1191 Cyg THE treatment

• Between season comparisions

• Wilson – Devinney Analysis

With his extensive Galactic travels we asked the expert for his assistance with the WD analysis.

Page 96: CCD Observations and Preliminary Analysis of the “End-of-the-Line” W UMa Eclipsing Binary V523 Cas Presenting Authors: Russell M. Genet, Orion Observatory

Questions & AnswersQuestions & Answers

Genet / Smith V523 Cas 2004 Seasonal Report


Jean GENET - Sigledal · Genet v letnicah 1910 Jean Genet se rodi 19. decembra v Parizu. Njegova mati je samska enain-dvajsetletnica Camille Gabrielle Genet, ki je po nekaterih virih

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GeNet Measurement Systems

Publications of the ' The Remarkable Eclipsing

ECLIPSING BINARIES IN OPEN CLUSTERS

Colloque du centenaire de Jean Genet jean genet Jean Genet ...jeangenet.pbworks.com/f/Programme+d'AIX+GENET+Du+roman+au+théâtre... · jean genet du roman au théâtre 10-11 juin

Marine Pack - Sony · 2018. 11. 14. · CCD-TR502E CCD-TR503E CCD-TR506/TR506E CCD-TR507 CCD-TR510E CCD-TR520E CCD-TR555/TR555E CCD-TR590/TR590E CCD-TR610E* CCD-TR620E CCD-TR710E*

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The substellar companion in the eclipsing white dwarf ... · The substellar companion in the eclipsing white dwarf binary ... The eclipsing white dwarf binary SDSS J141126.20+200911.1

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Eclipsing Binary Star Light Curve Analysis

Period Analysis of Eclipsing Binaries

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02B Genet Presentacion.pptx

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Eclipsing Aestheticism: Western Landscape Photography