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Commissions 27 and 42 of the I.A.U.

INFORMATION BULLETIN ON VARIABLE STARS

The IBVS is published by Konkoly Observaotry

 

IBVS 2336 , 1983-05-23 - New photometric data for the Ap star GY And = HD 9996

IBVS 2566 , 1984-07-30 - Period and light-curve of the close eclipsing binary FZ Orionis

IBVS 2719 , 1985-05-13 - No cepheid-like variability in SAO 096478 = NSV 03374

IBVS 2755 , 1985-07-03 - Period and light curve of the W UMa-type star NSV 4070

IBVS 2770 , 1985-08-06 - Photometric constancy of IS Gem

IBVS 2996 , 1986-12-18 - First ephemeris for the W UMa-type star NSV 12040

IBVS 3048 , 1987-07-14 - PX Cep, a new large amplitude eclipsing binary

IBVS 3316 , 1989-04-15 - On the misclassification of CK Aqr

IBVS 3478 , 1990-06-12 - First BV light curve for the eclipsing binary PP Lac

IBVS 3534 , 1990-10-12 - First synthetic solution for the W UMa system PP Lac

IBVS 3544 , 1990-11-21 - BV light curves and the first ephemeris for the eclipsing binary star NSV 1776

IBVS 3758 , 1992-08-24 - B and V photometry and the ephemeris of W UMa type star RS Serpentis

IBVS 3916 , 1993-07-29 - BD +16° 27 66 is not an EW type star

IBVS 3946 , 1993-10-22 - NSV 7457 Her: a probable W UMa star

IBVS 4064 , 1994-08-12 - HIC 83921: a new pulsating star in Herculis

IBVS 4117 , 1994-11-28 - Photoelectric observations of the close eclipsing binary VW Cephei

IBVS 4153 , 1995-01-23 - Photoelectric observations of the eclipsing variable DO Cas

IBVS 4241 , 1995-09-06 - NSV 4219 UMa: an RR Lyr variable

IBVS 4320 , 1996-04-10 - New information on V 558 Cas: type and period

IBVS 4385 , 1996-10-23 - XZ Lac = NSV 14114

IBVS 4554 , 1998-02-13 - BI CVn: a study of its period and a new photoelectric light curve

IBVS 4696 , 1999-04-14 - B and V photoelectric light curves and first ephemeris of NSV 11321, a new W UMa system

IBVS 4726 , 1999-06-16 - NSV 13826: A beta Lyrae type eclipsing binary

IBVS 4815 , 1999-11-29 - NSV 5028: a new RR Lyrae type variable in UMa

IBVS 4910 , 2000-06-19 - NSV 223: a new eclipsing binary

IBVS 5020 , 2001-01-25 - LO Gem: First Determination of the Orbital Period and Light Curve

IBVS 5021 , 2001-01-25 - NSV 5904: a New W UMa Eclipsing Binary

IBVS 5170 , 2001-09-13 - UZ CVn: a century of period increase

IBVS 5171 , 2001-09-13 - NSV 1012: a new eclipsing binary

IBVS 5207 , 2001-11-28 - NSV 12223: a new W UMa eclipsing binary

IBVS 5568 , 2004-10-05 - The GEOS RR Lyr survey

IBVS 5622 , 2005-03-31 - The GEOS RR Lyr survey

IBVS 5650 , 2005-09-15 - The GEOS RR Lyr survey

IBVS 5686 , 2006-02-15 - The GEOS RR Lyr survey

IBVS 5717 , 2006-07-21 - The GEOS RR Lyr survey

IBVS 5767 , 2007-04-26 - The GEOS RR Lyr survey

IBVS 5790 , 2007-08-27 - The GEOS RR Lyr survey

IBVS 5823 , 2008-04-10 - The GEOS RR Lyr survey

IBVS 5853 , 2008-10-16 - Ninth list of maxima of RR Lyr stars observed by the automated telescopes TAROT

IBVS 5854 , 2008-10-16 - List of CCD and visual maxima os RR Lyrae stars

IBVS 5877 , 2009-02-20 - Tenth list of maxima of RR Lyr stars observed by the automated telescopes TAROT

IBVS 5986 , 2011-04-21 - The GEOS RR Lyr survey

IBVS 6009 , 2012-01-11 - The GEOS RR Lyr survey

 

 

Astronomy & Astrophysics

  

Monitoring the activity of the Be star OT Geminorum

A. Arellano Ferro, J.P. Sareyan, J.J. Avila, F. González, M. Dumont, and GEOS

A&A Suppl. Ser. 127 3 (1998) 455-461

Stellar evolution through the ages: period variations in galactic RRab stars as derived from the GEOS database and TAROT telescopes

J. F. Le Borgne, A. Paschke, J. Vandenbroere, E. Poretti, A. Klotz, M. Boër, Y. Damerdji, M. Martignoni, and F. Acerbi

A&A 476 1 (2007) 307-316

 

 

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