Nos. 4601 { 4700 1998 June { 1999 April

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INFORMATION BULLETIN ON VARIABLE STARS

Nos. 4601 { 4700 1998 June { 1999 April

EDITORS

: L. SZABADOS, K. OLAH

TECHNICAL EDITOR

: A. HOLL

TYPESETTING

: K. }ORI, M.B. POCS

ADMINISTRATION

: Zs. K}OVARI

EDITORIAL BOARD

: E. Budding, H.W. Duerbeck, E.F. Guinan P. Harmanec (chair), D. Kurtz, K.-C. Leung, C. Maceroni

N.N. Samus (advisor), C. Sterken (advisor) H{1525 BUDAPEST XII, Box 67, HUNGARY URL http://www.konkoly.hu/IBVS/IBVS.html

HUISSN 0374{0676

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COPYRIGHT NOTICE

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CONTENTS

1998

4601 M. WOLF, J. BOROVICKA, L. SAROUNOVA, J. SAFAR, E. SAFAROVA:

CCD Photometry of the Eclipsing Binary AR Bootis

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1 { 4 4602 T. KATO, Y. LIPKIN, A. RETTER, E. LEIBOWITZ: Observation of Super-

humps in SS UMi

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1 { 4 4603 BRIAN A. SKIFF: Photometry of Stars in the Field of HP Andromedae (and

a New Red Variable)

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1 { 2 4604 V.S. TAMAZIAN, J.A. DOCOBO, N.D. MELIKIAN : Photometric and Po-

larimetric Observations of Visual Binary WDS 00550+2338 (ADS 755 = HD 5286)

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1 { 2 4605 LENKA SAROUNOVA, MAREK WOLF, JIRI BOROVICKA: CCD Photo-

metry of the Eclipsing Binary AU Draconis

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1 { 2 4606 FRANZ AGERER, JOACHIM HUEBSCHER: Photoelectric Minima of Se-

lected Eclipsing Binaries and Maxima of Pulsating Stars

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1 { 4 4607 G. PAREDES, P. ROSENZWEIG, O. NARANJO, J. STOCK: Radial Velocity

Variability of Three Supergiants

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1 { 3 4608 SEIICHIRO KIYOTA: New Observations and Ephemeris of RT CMa

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1 { 2 4609 GLENN GOMBERT: Accurate Position Estimates For Known Variables

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1 { 2 4610 R.M. ROBB, R.D. CARDINAL: Photometry of the W UMa System GSC

3869 484

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1 { 4 4611 RONALD G. SAMEC, DANNY FAULKNER: UBV Light Curves of the Very

Short Period W UMa Binary, GSC 03505 00677

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1 { 4 4612 WILLIAM P. BIDELMAN, D. JACK MACCONNELL: Spectral Types for

Named or Suspected Variable Stars in the IRAS Point-Source Catalogue

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1 { 4 4613 K. MATSUMOTO, T. KATO, K. AYANI, T. KAWABATA: On the Orbital

Period of EG Cancri

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1 { 4 4614 J.R. PERCY, Y. TANG: AAVSO Photoelectric Photometry of RU Cam

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1 { 2 4615 TOMONORI HAYAKAWA, TAKUMA UEDA, MAKOTO UEMURA, HI-

ROYUKI OHASHI, TAICHI KATO, KATSURA MATSUMOTO: New Out- bursts of V1118 Ori

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1 { 2 4616 RONALD G. SAMEC, HEIDI LAIRD, MATTHIAS MUTZKE, DANNY R.

FAULKNER : UBV Observations of the Solar-Type Near Contact Binary, CN Andromedae

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1 { 4 4617 L.C. WATSON, K.R. POLLARD, J.B. HEARNSHAW: HD 6628: a New Ac-

tive, Single-lined Spectroscopic Binary

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1 { 4 4618 L.N. BERDNIKOV, D.G. TURNER: Photoelectric BVI Observations and New

Elements for the Cepheid CU Orionis

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1 { 2 4619 CLEMENT MCKINLEY, T. MICHAEL CORWIN : BV Photometry of Eclips-

ing Binary Blue Stragglers in the Globular Cluster NGC 5466

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1 { 3 4620 R. DIETHELM: Period Determinations for the RRc Variable CI Comae Bere-

nices

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1 { 2 4621 ROBERT H. NELSON: Photoelectric Minima of Selected Eclipsing Bina-

ries

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1 { 3 4622 G.A. RICHTER, J. GREINER, P. KROLL: S 10943 Vulpeculae: A New

ROSAT Selected Dwarf Nova, probably of SU Ursae Majoris Subclass

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4623 C. WETTERER, S. MAJCEN, D. BURTZ: GSC 223:1761 { A New Delta Scuti Variable Star in Cancer

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1 { 3 4624 LEROY F. SNYDER: Period Change in UV Leonis

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1 { 4 4625 V. KESKIN, Z. ASLAN: First Photometric Observations at the Turkish Na-

tional Observatory

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1 { 2 4626 L.N. BERDNIKOV, D.G. TURNER: Observations of II Carinae, a 65-day

Classical Cepheid in the Southern Milky Way

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1 { 2 4627 PAUL A. HECKERT: 1997 Photometry of CG Cygni

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1 { 4 4628 L.N. BERDNIKOV, D.G. TURNER: Photoelectric V(RI) Observations and

New Classication for V641 Centauri

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1 { 2 4629 RICK WASATONIC, EDWARD F. GUINAN: Variations of Luminosity, Ra-

dius, and Temperature of the Pulsating Red Supergiant CE Tauri

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1 { 4 4630 DORRIT HOFFLEIT, JOHN T. LEE: More Observations Needed for V370

And, an Hipparcos Discovery

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1 { 3 4631 C. WETTERER: CCD Photometry of UZ CrB, XX CrB and V864 Her

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1 { 4 4632 N.M. EVSTIGNEEVA, YU.A. SHOKIN: Accurate Positions for 45 Variables

in Five Fields

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1 { 3 4633 TAMAS BORKOVITS, IMRE BARNA BIRO: Photoelectric and CCD Times

of Minima of Several Eclipsing Binary Systems

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1 { 4 4634 R.M. ROBB, R.D. CARDINAL: Searching the Open Cluster NGC 6939 for

Variable Stars

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1 { 4 4635 L.N. BERDNIKOV, V.V. IGNATOVA, O.V. VOZYAKOVA: Photoelectric

BVR Observations and Classication for V1359 Aquilae

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1 { 2 4636 N.A. GORYNYA: The Hertzsprung Sequence from Radial Velocities

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1 { 4 4637 H.W. DUERBECK, R.E. MENNICKENT: The Superhumps in V592 Her-

culis

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1 { 3 4638 L.N. BERDNIKOV: Classication of TY Herculis

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1 4639 NIKOLAI SAMUS, FELICIA TAM: Two Long-Neglected Interesting Eclipsing

Binaries

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1 { 4 4640 PETR MOLIK, MAREK WOLF: XY Bootis { a W UMa-star with Extreme

Rate of Period Change

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1 { 4 4641 N. MARKOVA, N. TOMOV: UBV Photometry of P Cygni in 1995{1997

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1 { 4 4642 LENNART DAHLMARK: New Variable Stars in the Northern Milky Way

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1 { 5 4643 MIGUEL ANGEL CERRUTI: V842 Sco: Photoelectric Times of Minima and

a Period Study

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1 { 4 4644 S. KIYOTA, T. KATO: Detection of Superhumps in V2051 Oph

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1 { 3 4645 C. LLOYD, R.D. PICKARD, R.H. CHAMBERS: HD 13654: Probably Not

an Eclipsing Binary

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1 { 4 4646 A.V. RAVEENDRAN, M.V. MEKKADEN: IL Hydrae: New Orbital Solutions

and BV Photometry

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1 { 4 4647 YASUHISA NAKAMURA, KAZUAKI ASADA, RYUTA SATO: A Period

Study of the Eclipsing Binary System W Ursae Minoris

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1 { 4 4648 SEMANUR ENGIN, KUTLUAY YUCE: Line Prole Changes in X Persei

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1 { 3 4649 GEORGE W. WOLF, JAMES F. CAFFEY: HD 82780 { A New Eclipsing

Binary

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Nos. 4601 { 4700 1998 June { 1999 April