Volume 39 number 1 — 2011

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Articles in This Issue

Variable Star Research

• Studies of "Irregularity" in Pulsating Red Giants. III. Many More Stars, an Overview, and Some Conclusions

  John R. Percy, Emil Terziev

• VX Hydrae: Observation of a Sudden Change in a Pulsating Star

  Michel Bonnardeau, Shawn Dvorak, Rudy Poklar, Gerard Samolyk

• The Variable Star HD 173637

  Arlo U. Landolt

• CI Cygni 2010 Outburst and Eclipse: An Amateur Spectroscopic Survey--First Results From Low Resolution Spectra

  Francois Teyssier

• The Orbital Period of Three Cataclysmic Variables From WASP Data

  Patrick Wils

• The Z CamPaign: Year 1

  Mike Simonsen

• The First Historical Standstill of WW Ceti

  Mike Simonsen, Rod Stubbings

• Leo5 is a Z Cam Type Dwarf Nova

  Patrick Wils, Tom Krajci, Mike Simonsen

• Do Eclipsing Variable Stars Show Random Cycle-to-cycle Period Fluctuations?

  Seyedyara Mohajerani, John R. Percy

• Times of Minima for Several Eclipsing Binaries and New Ephemerides for V569 Lyrae, V571 Lyrae, and V572 Lyrae

  A. Marchini, M. Banfi, M. Cena, G. Corfini, S. Mandelli, G. Marino, R. Papini, D. Premoli, S. Santini, S. Valenti, M. Vincenzi

• Searching for Orbital Periods of Supergiant Fast X-ray Transients

  Maurizio Falanga, Enrico Bozzo, Roland Walter, Gordon E. Sarty, Luigi Stella

• Anchoring the Universal Scale Via a Wesenheit Template

  Daniel J. Majaess, David G. Turner, David J. Lane, Arne A. Henden, Tom Krajci

Variable Star Data

• Recent Maxima of 56 Short Period Pulsating Stars

  Gerard Samolyk

• Recent Minima of 144 Eclipsing Binary Stars

  Gerard Samolyk

History and Biography

• Edward A. Halbach 1909-2011

  Gerard Samolyk

Abstracts

• The 2010 Eruption of U Scorpii (Abstract)

  Ashley Pagnotta

• The AAVSO Centennial Calendar (Abstract)

  Elizabeth O. Waagen

• The Latest Results on Accreting Pulsating White Dwarfs (Abstract)

  Paula Szkody

• Analyses of "Peculiar" W Virginis Stars in the Milky Way (Abstract)

  Doug Welch, Grant Foster

• Multiple Spiral Branches on Late AGB Stars (Abstract)

  Qian Wang, Lee Anne Willson

• Revisiting the Unnamed Fleming Variables (Abstract)

  Kristine Larsen

• RS Sge Observations and Preliminay Analyses (Abstract)

  Jerry Horne

• Scientific Literacy of Adult Participants in an Online Citizen Science Project (Abstract)

  Aaron Price

• Visual Observations of delta Cephei: Time to Update the Finder Chart (Abstract)!

  David G. Turner

• Artificial Intelligence (AI) Approchaes for Analyzing Automatically Zillions of Eclipsing Binary Light Curves (Abstract)

  Edward F. Guinan

• Leon Campbell and His Fifty Years at Harvard College Observatory (Abstract)

  Thomas R. Williams

• A Variable Star Database for the iPhone/iPod Touch (Abstract)

  John N. Rachlin, Mark G. McGettrick

• A Web Interface for the DASCH Photometry Database (Abstract)

  Edward J. Los

• Simple Pulse Width Modulation (PWM) LED Source for Linearity Testing of DSLR Camera Sensor (Abstract)

  Helmar G. Adler

• Solar Astronomy: Plasma Motion Detection at Radio Frequencies (Abstract)

  Rodney Howe

• The Water Tank Observatory (Abstract)

  John Pazmino