COMMISSION 27 OF THE I.A.U.

INFORMATION BULLETIN ON VARIABLE STARS

Nos. 2001 - 2100

1981 August - 1982 March

EDITOR: B. SZEIDL, KONKOLY OBSERVATORY

1525 BUDAPEST, Box 67, HUNGARY

HU ISSN 0374-0676

CONTENTS

2001 PHOTOGRAPHIC OBSERVATIONS OF THE NEWLY DISCOVERED X-RAY EMITTING DWARF

NOVA 1E 0643.0-1648

L. Meinunger

17 August 1981

2002 SEVEN COLOUR PHOTOELECTRIC PHOTOMETRY OF THE RED VARIABLE GLIESE 83.3

U. Dzervitis, O. Paupers

19 August 1981

2003 ON THE LOCATION OF NOVA CORONAE AUSTRINAE 1981

N. Brosch

19 August 1981

2004 NOUVELLE RECHERCHE DE PERIODES D'ETOILES Ap OBSERVEES A L'ESO-VI

J. Manfroid, P. Renson

24 August 1981

2005 NOTE ON THE PERIOD OF THE W UMa STAR AH Vir

U. Hopp, S. Witzigmann

25 August 1981

2006 UBVR PHOTOMETRY OF UV Psc

M. Zeilik, R. Elston, G. Henson, P. Smith

25 August 1981

2007 V68 IN THE GLOBULAR CLUSTER M3 (NGC 5272) IS A DOUBLE MODE RR LYRAE

TYPE STAR

V.P. Goranskij

27 August 1981

2008 HD 200356: A POSSIBLE NEW DELTA SCUTI STAR

S.F. Gonzalez-Bedolla, J.H. Pena

27 August 1981

2009 V1334 Cyg

C. Bartolini, A. Dapergolas, A. Piccioni

28 August 1981

2010 THE DELTA SCUTI STAR BETA LEONIS

C. Bartolini, A. Dapergolas, A. Piccioni

28 August 1981

2011 PHOTOELECTRIC OBSERVATION OF DELTA CAPRICORNI

Shigeo Ohmori

28 August 1981

2012 LIGHT ELEMENTS OF W Gru

M.A. Cerruti, M.A. de Laurenti

7 September 1981

2013 5 CETI = HR 14: A NEW AND PUZZLING VARIABLE STAR

R.D. Lines, D.S. Hall

7 September 1981

2014 PERIOD VARIABILITY AND NEW EPHEMERIS OF RU LEPORIS

Z. Kviz, F. Rufener

7 September 1981

2015 TWO NEW VARIABLE STARS IN THE BRIGHT STAR CATALOGUE

B. Reipurth

7 September 1981

2016 THE PERIOD OF THE SYMBIOTIC STAR AG PEGASI

L. Meinunger

9 September 1981

2017 NOTE ON PUBLISHED TIMES OF MAXIMA OF DY PEGASI

R. Quigley, J.L. Africano

16 September 1981

2018 FLARE STARS IN ORION

N.D. Melikian

24 September 1981

2019 FLARE STARS IN THE PLEIADES REGION

N.D. Melikian, I. Jankovics, J. Kelemen

24 September 1981

2020 AUGUST 1981 FAINTENING OF V348 Sgr

A. Heck

28 September 1981

2021 VARIABILITY IN THE WOLF-RAYET STAR HD 164270

I. Lundstrom, B. Stenholm

30 September 1981

2022 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR EV Lac IN 1980

L.N. Mavridis, G. Asteriadis, K.P. Panov, M.K. Tsvetkov

1 October 1981

2023 AN ULTRAVIOLET PHOTOELECTRIC LIGHT CURVE OF THE ECLIPSING BINARY BB Peg

M. Cerruti Sola, F. Scaltriti

5 October 1981

2024 THE SPECTRUM OF THE SUSPECTED VARIABLE HD 33331

J. Andersen, B. Nordstrom

9 October 1981

2025 A LIGHT CURVE OF THE ECLIPSING BINARY LU LACERTAE

M. Hoffmann

13 October 1981

2026 PHOTOELECTRIC MINIMA OF U PEGASI

H. Rovithis-Livaniou, P. Rovithis

15 October 1981

2027 THE MAXIMUM TIMES AND THE LIGHT ELEMENTS OF 28 ANDROMEDAE

Z. Tunca, S. Evren, C. Ibanoglu, O. Tumer, A.Y. Ertan

19 October 1981

2028 THE MAXIMUM TIMES AND NEW LIGHT ELEMENTS OF 44 TAURI

O. Tumer, A.Y. Ertan, S. Evren, Z. Tunca, C. Ibanoglu

19 October 1981

2029 TU Men, THE FIRST SU UMa STAR BEYOND THE GAP

B. Stolz, R. Schoembs

22 October 1981

2030 STANDSTILL OF Gamma CrB

B. Veto, G. Kovacs

22 October 1981

2031 DETECTION OF PERIODIC LIGHT VARIATIONS OF THE OLD NOVA BD Pav

H. Barwig, R. Schoembs

29 October 1981

2032 VARIATIONS PHOTOMETRIQUES ET PERIODE DE HR 2971 (NOTE RECTIFICATIVE A

L'IBVS No 2004)

J. Manfroid, P. Renson

29 October 1981

2033 THE PRINCIPAL FREQUENCY OF THE RAPIDLY OSCILLATING Ap STAR Alpha Cir

D.W. Kurtz, S. Allen, M.S. Cropper

30 October 1981

2034 BD -8d4232, A NEW DELTA SCUTI STAR?

D. Kilkenny

3 November 1981

2035 PHOTOELECTRIC MINIMA AND LIGHT CURVES OF THE ECLIPSING BINARY VZ LIBRAE

J.J. Claria, E. Lapasset

5 November 1981

2036 1 Per: A NEW ECLIPSING BINARY WITH A LONG PERIOD AND AN ELLIPTICAL

ORBIT

P. North, F. Rufener, A. Figer, L. Maurin

5 November 1981

2037 R PHOTOMETRY OF RW Com

T.J. Davidge, J.D. Himer, E.F. Milone

5 November 1981

2038 SYNCHRONOUS UBV FLARE OBSERVATIONS ON UV CETI

N.D. Melikian, I. Jankovics, N.N. Kiljachkov, V.S. Shevchenko,

O.I. Stalbovsky

5 November 1981

2039 THE IDENTIFICATION OF OI 090.4 AND CSV 1180

J.H. Baumert, K. Cudworth

10 November 1981

2040 TWO COLOUR PHOTOELECTRIC LIGHT CURVES OF WW Dra

Z. Tunca, C. Ibanoglu, M. Kurutac, S. Evren, O. Tumer, A.Y. Ertan

12 November 1981

2041 SPECTROSCOPIC OBSERVATIONS OF SYMBIOTIC STARS IN JULY AND SEPTEMBER

1981

R. Gravina

12 November 1981

2042 66th NAME-LIST OF VARIABLE STARS

P.N. Kholopov, N.N. Samus', N.P. Kukarkina, G.I. Medvedeva, N.B. Perova

13 November 1981

2043 PHOTOELECTRIC LIGHT CURVES OF CK BOOTIS (HD 128141)

Z. Aslan, M. Goren, E. Derman

16 November 1981

2044 THE ECLIPSING BINARY HD 124195

P.R. Wesselius

19 November 1981

2045 PERIODIC LIGHT VARIATIONS OF V603 Aql

R. Haefner

25 November 1981

2046 PERIOD CHANGES OF AC And

I. Guman

27 November 1981

2047 NEW OBSERVATIONS OF THE DELTA SCUTI VARIABLES SIGMA OCTANTIS AND

B OCTANTIS

D.W. Coates, L. Halprin, T.T. Moon, K. Thompson

1 December 1981

2048 THE ACTUAL PHOTOMETRIC BEHAVIOUR OF CH CYGNI

U. Hopp, S. Witzigmann

2 December 1981

2049 PHOTOELECTRIC MINIMA OBSERVATIONS OF THE ECLIPSING BINARY ST CARINAE

J.J. Claria, E. Lapasset

3 December 1981

2050 THE LIGHT CURVE AND ELEMENTS FOR EM CEPHEI

C. Cristescu, G. Oprescu, M.D. Suran

3 December 1981

2051 SPECTROSCOPY OF V1425 CYGNI AND AH CEPHEI

C.R. Chambliss

4 December 1981

2052 LIGHT ELEMENTS OF GG Vel

M.A. Cerruti

8 December 1981

2053 SAO 072799, A NEW BRIGHT ECLIPSING BINARY

M. Fernandes, P. Frank

9 December 1981

2054 ADDITIONAL AND NEWLY-NAMED VARIABLES IN TWO OBJECTIVE-PRISM M-EMISSION

STAR LISTS

W.P. Bidelman

9 December 1981

2055 ON THE SUSPECTED VARIABLE CSV 96

W.P. Bidelman, K. Cudworth

9 December 1981

2056 PHOTOELECTRIC OBSERVATIONS OF CI Cyg

G.H. Gevorkian

11 December 1981

2057 BVR PHOTOELECTRIC OBSERVATIONS OF ER Vul JUNE, JULY, 1981

T.H. Kadouri

11 December 1981

2058 HD 12180: A NEW QUADRUPLE STAR SYSTEM

C.R. Chambliss

17 December 1981

2059 PU VULPECULAE (OBJECT HONDA-KUWANO 1979) - 78.1 DAYS PERIOD

D. Chochol, L. Hric, J. Papousek

17 December 1981

2060 OPTICAL OBSERVATIONS OF THE PRIMARY MINIMUM OF THE SOLAR-TYPE BINARY

AI Phe WITH THE IUE SATELLITE

E.F. Milone, B.J. Hrivnak, T.A. Clark, O. Kjeldseth Moe, J.C. Blades,

I. Shelton

17 December 1981

2061 A SUPERNOVA IN MCG +07-29-043

N. Sanduleak

21 December 1981

2062 FLARE STARS IN ORION

R.Sh. Natsvlishvili

4 January 1982

2063 MT CASSIOPEIAE, ANOTHER CONTACT BINARY WITH COMPLETE ECLIPSES

M. Hoffmann

4 January 1982

2064 LINEAR POLARIZATION OF THE LATE-TYPE VARIABLE STARS Mu Cep AND MIRA IN

YEAR 1981

D.P. Hayes

5 January 1982

2065 BV PHOTOMETRY OF SUPERNOVA IN NGC 1316

E.W. Olszewski

5 January 1982

2066 VARIABLE STARS IN THE GENERAL CATALOGUE OF TRIGONOMETRIC PARALLAXES

D. Hoffleit

5 January 1982

2067 FLARE STARS IN THE PLEIADES

M.K. Tsvetkov, H.S. Chavushian

6 January 1982

2068 THE PERIOD OF DN UMa (HR 4560): A BRIGHT ECLIPSING BINARY

A. Gimenez, J.A. Quesada

7 January 1982

2069 PERIODIC ERUPTIONS IN T CrB?

L.H. Palmer, J.L. Africano

11 January 1982

2070 OBSERVATIONS OF THE 1981 ECLIPSE OF RZ Oph

J. Papousek, M. Vetesnik

13 January 1982

2071 PHOTOELECTRIC UBV OBSERVATIONS OF PU Vul IN 1981

A. Purgathofer, A. Schnell

13 January 1982

2072 PERIOD AND LIGHT CURVE OF UW GRUIS FROM PHOTOELECTRIC OBSERVATIONS

A. Bernard, M. Burnet

14 January 1982

2073 HD 8152 - A NEW W URSAE MAJORIS TYPE ECLIPSING BINARY

M.B.K. Sarma, K.R. Radhakrishnan

18 January 1982

2074 PHOTOELECTRIC LIGHT CURVE OFF 44 BOOTIS

R.M. Genet, K.E. Kissell, G.C. Roberts

21 January 1982

2075 V1068 CYGNI - A LONG-PERIOD RS CVn STAR?

S. Rossiger

22 January 1982

2076 PHOTOELECTRIC PHOTOMETRY OF Theta1 ORIONIS A = V1016 Ori

J.R. Sowell, D.S. Hall

26 January 1982

2077 PRELIMINARY PHOTOMETRIC ORBITAL ELEMENTS OF 1 PERSEI

A. Gaspani

27 January 1982

2078 PHOTOMETRIC OBSERVATIONS OF V603 AQUILAE

T. Herczeg

27 January 1982

2079 CREATION OF A SUPERNOVA DATABASE

D. Branch, D. Clark, B. Patchett, R. Wood

28 January 1982

2080 HD 13831 A NEW BETA CEPHEI STAR

R. Garrido, A.J. Delgado

1 February 1982

2081 CX AURIGAE: A K-DWARF VARIABLE

Emilia P. Belserene, W.P. Bidelman

1 February 1982

2082 o And: A NEW ACTIVE EPISODE?

M. Bossi, G. Guerrero, L. Mantegazza, M. Scardia

4 February 1982

2083 TWO (O-C) RESIDUALS OF W URSAE MAJORIS SYSTEM

E. Hamzaoglu, V. Keskin, T. Eker

8 February 1982

2084 ON THE RADIAL PULSATIONS OF THE DELTA SCUTI STARS SIGMA OCTANTIS AND

B OCTANTIS

Ts.G. Tsvetkov

10 February 1982

2085 PHOTOMETRIC OBSERVATIONS OF 1 PERSEI

J.R. Percy

11 February 1982

2086 PHOTOELECTRIC TIMES OF MINIMA OF ECLIPSING BINARIES

Th.E. Margrave

12 February 1982

2087 THE DELTA SCUTI VARIABLE HR 1287

Th.E. Margrave

12 February 1982

2088 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR DO Cep IN 1975

M.E. Contadakis, F.M. Mahmoud, L.N. Mavridis, D. Stavridis

15 February 1982

2089 1981 UBVR PHOTOMETRY OF UV Psc

M. Zeilik, R. Elston, G. Henson, P. Schmolke, P. Smith

17 February 1982

2090 1981 UBVR PHOTOMETRY OF RT And

M. Zeilik, R. Elston, G. Henson, P. Schmolke, P. Smith

17 February 1982

2091 PS4452-1347 - A NEW RR Lyr VARIABLE STAR OF BAILEY TYPE C

T.B. Andersen

19 February 1982

2092 SPECTROSCOPIC OBSERVATIONS OF V471 TAURI (BD +16d516)

E. Hamzaoglu, F. Sabbadin

23 February 1982

2093 S ERIDANI - A DELTA SCUTI VARIABLE

D.W. Coates, L. Halprin, T.T. Moon, K. Thompson

1 March 1982

2094 PHOTOELECTRIC MINIMA TIMES OF DO CASSIOPEIAE AND BX ANDROMEDAE

P. Rovithis, H. Rovithis-Livaniou

1 March 1982

2095 NEW MINIMUM OF X-RAY SOURCE KR AURIGAE

V. Popov

1 March 1982

2096 HIGH SPEED PHOTOMETRY OF H0139-68

M.S. Cropper

2 March 1982

2097 THE OPTICAL VARIABILITY OF PU VULPECULAE (KUWANO'S OBJECT) IN 1979-1981

E.A. Kolotilov, T.S. Belyakina

3 March 1982

2098 PHOTOELECTRIC OBSERVATIONS OF THE ECLIPSING BINARY IM AURIGAE

N. Gudur, O. Gulmen, C. Sezer

4 March 1982

2099 PHOTOELECTRIC PHOTOMETRY OF NN CEPHEI

O. Gulmen, N. Gudur, C. Sezer

4 March 1982

2100 PHOTOELECTRIC MINIMA AND LIGHT CURVES OF V478 CYGNI

C. Sezer, N. Gudur, O. Gulmen

4 March 1982