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JAAVSO v19n1

eJAAVSO
Volume 19 Number 1 1990
Page
Number
 
1 Introduction
Janet A. Mattei
  abstract pdf  
 
4 Papers in the Proceedings of the First European Meeting of the AAVSO
  abstract pdf  
 
5 DK Hydrae - A Neglected Eclipsing Binary
Gerald Samolyk
  abstract pdf  
 
8 EK Comae Berenices: A W UMa Star with Short Period
Jiři Borovička
  abstract pdf  
 
10 The Accurate Period of GX Aurigae
Jiři Borovička
  abstract pdf  
 
12 T Period Changes in the Eclipsing Binaries DG Lacertae and MZ Lacertae
Jindřich Šilhán
  abstract pdf  
 
17 Light-Time Effect in Eclipsing Binaries
Marek Wolf
  abstract pdf  
 
20 Photometric and Spectrographic Observations of Spica
Liu Zongli, Sterken, C.
  abstract pdf  
 
23 Request for Photometry of Algols
J. R. W.Heintze
  abstract pdf  
 
28 High and Low Stages of T CrB
T. Iijima
  abstract pdf  
 
33 The Light Curve of the R Coronae Borealis Star NSV 6708 (V854 Centauri) and the Accuracy of Visual Estimates
W. A. Lawson, P. L. Cottrell, F. M. Bateson
  abstract pdf  
 
37 Supernova 1989B in M66: An Unusual Type I Supernova?
Stefan Korth
  abstract pdf  
 
40 Photometry of the Suspected Cataclysmic Variable PG0900+401
N. A. Lipunova, S. Yu. Shugarov
  abstract pdf  
 
43 Photometric Variations of AS296
C. Blanco
  abstract pdf  
 
47 Some Results of Hungarian Variable Star Observers
Attila Mizser, Károly Szatmáry, István Tepliczky
  abstract pdf  
 
52 Pulsating Variable Stars in Binary Systems
Károly Szatmáry
  abstract pdf  
 
57 The Ongoing Photometric Campaign on BW Vulpeculae
C. Sterken, G. Busarello, M. Dumont, S. Ferrand, J. C. Misson, J. Remis, Liu Zongli, A. Pigulski
  abstract pdf  
 
60 Visual Observations of XY Lyrae and CH Cygni
Jerzy Speil, Zamek Ksiaz
  abstract pdf  
 
65 Middle B-Type Star Variables
J. M. Le Contel, D. Le Contel
  abstract pdf  
 
70 A Database for Times of Minima of Eclipsing Binaries
Dieter Lichtenknecker
  abstract pdf  
 
73 Statistical Analysis of the Semiregular Variable AR Cephei
Arūnas Kučinskas
  abstract pdf  
 
76 Some Variable Stars Observed by the Scandinavian Variable Star Observers
Aarre Kellomäki
  abstract pdf  
 
81 Diameter Measurements and Imaging of Mira Variables
Margarita Karovska
  abstract pdf  
 
85 Off-Centering Errors in Multiaperture Photoelectric Photometry of Galaxies
G. Busarello, G. Longo, C. Sterken
  abstract pdf  
 
90 An Innovative Telescope Design for CCD Photometry
John E. F. Baruch
  abstract pdf  
 
94 An Unusual Photoelectric Photometer for Small Telescopes
Hideo Satoh
  abstract pdf  
 
98 Software Tools for the Variable Star Observer
J. Gunther
  abstract pdf  
 
102 The Status of Sunspot Cycle 22 Through July 1990
Peter O. Taylor
  abstract pdf  
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