Volume 41 number 1 — 2013

Download this issue (pdf)

Order a printed copy

Articles in This Issue

Variable Star Research

• Period Analysis of AAVSO Visual Observations of 55 Semiregular (SR/SRa/SRb) Variable Stars

  John R. Percy, Paul Jx Tan

• Period Analysis of AAVSO Visual Observations of Semiregular (SR) Variable Stars. II

  John R. Percy, Tomas Kojar

• Intermediate Report on January 2013 Campaign: Photometry and Spectroscopy of P Cygni

  Ernst Pollmann, Wolfgang Vollman

• The Interesting Light Curve and Pulsation Frequencies of KIC 9204718

  Garrison Turner, John Holaday

• Nine New Variable Stars in Cygnus and Variability Type Determination of [Wm2007] 1176

  Riccardo Furgoni

• V1820 Orionis: an RR Lyrae Star With Strong and Irregular Blazhko Effect

  Pierre de Ponthière, Franz-Josef Hambsch, Tom Krajci, Patrick Wils, Kenneth Menzies

• Period Changes in RRc Stars

  John R. Percy, Paul Jx Tan

• Two New Cool Variable Stars in the Field of NGC 659

  Steven P. Souza

• Simultaneous CCD Photometry of Two Eclipsing Binary Stars in Pegasus--Part 1: KW Pegasi

  Kevin B. Alton

• Very Short-Duration UV-B Optical Flares in RS CVn-type Star Systems

  Gary A. Vander Haagen

• BVRI Observations of SZ Lyncis at the EKU Observatory

  Marco Ciocca

Variable Star Data

• Recent Maxima of 61 Short Period Pulsating Stars

  Gerard Samolyk

• Recent Minima of 273 Eclipsing Binary Stars

  Gerard Samolyk

Book Reviews

• Book Review: Scientific Writing for Young Astronomers (Sterken, ed.)

  Eric Broens

Abstracts

• Variability of Young Stars: the Importance of Keeping an Eye on Children (Abstract)

  William Herbst

• Variable Stars in the Trapezium Region: the View from Ground and Space (Abstract)

  Matthew R. Templeton

• Campaign of AAVSO Monitoring of the CH Cygni Symbiotic System in Support of Chandra and HST Observations (Abstract)

  Margarita Karovska

• Working Together to Understand Novae (Abstract)

  Jennifer L. Sokoloski

• YSOs as Photometric Targets (Abstract)

  Arne A. Henden

• 2012: a Goldmine of Novae (Abstract)

  Arne A. Henden

• AAVSO Solar Observers Worldwide (Abstract)

  Rodney Howe

• Introducing Solar Observation to Elementary Students (Abstract)

  Gerald P. Dyck

• Statistical Evidence for a Mid-period Change in Daily Sunspot Group Counts from August 2011 through August 2012, and the Effect on Daily Relative Sunspot Numbers (Abstract)

  Rodney Howe

• 66 Ophiuchi Decides to "Be" (Abstract)

  John Martin

• Mentoring, a Shared Responsibility (Abstract)

  Timothy R. Crawford

• V439 Cygni: Insights into the Nature of an Exotic Variable Star (Abstract)

  David G. Turner

• Elizabeth Brown and Citizen Science in the Late 1800s (Poster abstract)

  Kristine Larsen

• APASS Data Product Developments (Abstract)

  Douglas L. Welch

• The Case of the Tail Wagging the Dog: HD 189733--Evidence of Hot Jupiter Exoplanets Spinning-up Their Host Stars (Abstract)

  Edward F. Guinan

• An Overview of the Swinburne Online Astronomy Courses (Abstract)

  Frank Dempsey