JAAVSO Volume 50 Number 1, 2022 is published

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The printed version of this issue will be available soon. Please watch for the announcement on our main web page.

The Journal of the American Association of Variable Star Observers
Volume 50, Number 1, 2022

Articles in This Issue

• Editorial

  • A Constellation of Statistical Analyses

• Variable Star Research

  • Light Curve Analysis of Eclipsing Binary Stars LX Leo, V345 UMa, and MU Leo

    Lauren Hoffman, Vince Mazzola, Vayujeet Gokhale

  • Issues in Frequency Analysis of δ Scuti Stars I—HD 39641

    Bill Rea

  • Analyzing Transit Timing Variations of Qatar-1b

    Elise Yang, Daniel Mendoza, Pablo A. Mendoza, Vani Pandian, Kaushik Tota, Paige Yeung

  • Distance Determination of RR Lyrae Stars AE Leo, AT Vir, and HY Com

    Cody Soper, Christopher Tenenbaum, Adam Lounsbery, Jarred Rheiner, David Klassen

  • Updates to Pulsator Periods in NGC 3201

    Avni Bansal, Paul Hamrick, Kalée Tock

  • Bouncing against the Yellow Void—Exploring the Outbursts of ρ Cassiopeiae from Visual Observations

    Grigoris Maravelias, Michaela Kraus

  • BViz Photometry of the RR Lyrae Star RU Ceti

    Jadon Fickle, Michael L Allen

  • CCD Photometry, Light Curve Deconvolution, Period Analysis, and Evolutionary Status of the HADS Variable V417 Boötis

    Kevin B. Alton, W. Allen Gilchrist, Jr.

  • Accuracy and Precision in Amateur Photometry

    Edward O. Wiley, Kenneth Menzies

  • Light Curve Modeling and Secular Analyses of the Totally Eclipsing Overcontact Binary System, V625 Hydrae

    Kevin B. Alton

  • Long-Term Period Behavior of the Semiregular Variable V1 and the Type II Cepheids V2 and V3 in the Globular Cluster M10

    Pradip Karmakar, Horace A. Smith, Wayne Osborn, Peter B. Stetson

  • What Are the SRd Variables?

    John R. Percy

  • Observation and Analysis of Qatar-1b Transit Timing Variations: No Evidence for Additional Bodies in Qatar-1

    Paloma Lenz, Lindsay Koo, Vincent Tran, Iván Álvarez

  • Issues in Frequency Analysis of δ Scuti Stars II—EE Cha (HD 104036)

    Bill Rea

  • BVI Observations of the Eclipsing Binary XZ Andromedae at the EKU Observatory

    Marco Ciocca

  • Spectral Classification of Algol C

    Megan G. Frank, David G. Whelan, Jessica C. Junginger

• Variable Star Data

  • Recent Maxima of 78 Short Period Pulsating Stars

    Gerard Samolyk

  • Recent Minima of 227 Eclipsing Binary Stars

    Gerard Samolyk