COMMISSION 27 OF THE I.A.U.

INFORMATION BULLETIN ON VARIABLE STARS

Nos. 601-700

1971 December – 1972 July

EDITORS: L. DETRE AND B. SZEIDL, KONKOLY OBSERVATORY

1525 BUDAPEST, Box 67, HUNGARY

CONTENTS

0601 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR UV Cet DURING THE

1971 OCTOBER 11-27 INTERNATIONAL PATROL

S. Cristaldi, M. Rodono

21 December 1971

0602 PHOTOELECTRIC OBSERVATIONS OF V1216 Sgr DURING THE 1971 JUNE

16-30 INTERNATIONAL PATROL

S. Cristaldi, M. Rodono

21 December 1971

0603 A NEW VARIABLE STAR IN OPHIUCHUS

M. Beyer

21 December 1971

0604 ON THE SPACE DISTRIBUTION OF FLARE STARS IN PLEIADES

L.V. Mirzoyan, M.A. Mnatsakanian

22 December 1971

0605 PROGRAMME OF COOPERATIVE FLARE STAR OBSERVATIONS FOR 1972

P.F. Chugainov

27 December 1971

0606 A LATE TYPE VARIABLE IN NGC 6819

U. Lindoff

28 December 1971

0607 THE CHANGING PERIOD OF DL CASSIOPEIAE

D. Hoffleit

28 December 1971

0608 EV Lac AND UV Cet

K. Osawa, K. Ichimura, Y. Shimizu

1 January 1972

0609 NEW ELEMENTS FOR WW Cam

W. Braune

4 January 1972

0610 NEW BRIGHT SOUTHERN VARIABLE STARS

W. Strohmeier

4 January 1972

0611 ORBIT OF RW CrB IS NOT ECCENTRIC

E.F. Milone, A.J. Wesselink

6 January 1972

0612 SUPERNOVA 1955 IN A PECULIAR GALAXY

M. Lovas

17 January 1972

0613 THE COMING SHELL PHASE OF AX MONOCEROTIS

M. Plavec, P. Harmanec

20 January 1972

0614 IS NGC 404 A VARIABLE OBJECT?

E.H. Geyer

20 January 1972

0615 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR UV Cet

P.F. Chugainov, N.I. Shakhovskaya

21 January 1972

0616 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR EV Lac

P.F. Chugainov, A.N. Kulapova, N.I. Shakhovskaya

22 January 1972

0617 SIX VARIABLE STARS IN SAGITTARIUS

D. Hoffleit

24 January 1972

0618 SUSPECTED DUPLICITY OF THE Ap STAR 53 Cam

R. Faraggiana

28 January 1972

0619 THE NEW COMPANION OF THETA CORONAE BOREALIS

R. Burchi, P. Tempesti

28 January 1972

0620 SOME RECENT OBSERVATIONS OF UV CETI

A.H. Jarrett, J.P. Eksteen

28 January 1972

0621 VARIATIONS OPTIQUES DE LA RADIOSOURCE OJ 287

Ch. Bertaud, C. Pollas

31 January 1972

0622 NOVAE IN M31 DISCOVERED AND OBSERVED AT ASIAGO FROM 1963 TO

1970

L. Rosino

3 February 1972

0623 A NEW FLARE STAR IN AQUILA

B. Hidajat, M.U. Akyol

4 February 1972

0624 A NEW FLARE STAR IN CYGNUS

G. Haro, E. Chavira

8 February 1972

0625 THE DELTA SCUTI STARS (AN ANNOTATED CATALOGUE AND BIBLIOGRAPHY)

M.A. Seeds

8 February 1972

0626 V462 CYGNI

G.B. Baratta, A. Cassatella, R. Viotti

8 February 1972

0627 PHOTOELECTRIC OBSERVATIONS OF AD Leo AND EV Lac DURING THE 1971

INTERNATIONAL PATROL INTERVALS

J. Arsenijevic, A. Kubicela

14 February 1972

0628 PHOTOELECTRIC OBSERVATIONS OF 32 Cyg NEAR MINIMUM IN 1971

J.M. Kreiner, M. Winiarski

16 February 1972

0629 ON THE SPECTRAL TYPE OF DI PEGASI

W.P. Bidelman

17 February 1972

0630 TESTS OF TWO SUSPECTED DELTA SCUTI VARIABLES

G.C. Kilambi

19 February 1972

0631 MINIMA OF ECLIPSING VARIABLES

H. Muthsam

21 February 1972

0632 PHOTOELECTRIC OBSERVATIONS OF YZ CMi

P.F. Chugainov, N.I. Shakhovskaya

25 February 1972

0633 THE PERIOD OF EQ TAURI

B.S. Whitney

25 February 1972

0634 A NEW VARIABLE STAR NEAR THE NEBULA K3+50

G. Romano

25 February 1972

0635 YZ CMi

K. Osawa, K. Ichimura, Y. Shimizu, E. Watanabe, T. Okada, M. Yutani,

H. Koyano, K. Okida

28 February 1972

0636 REMARK ON THE PERIOD OF RW CORONAE BOREALIS

I. Todoran

ON THE VARIABILITY OF NGC 404

B.V. Kukarkin, N.E. Kurochkin

29 February 1972

0637 MINIMA OF ECLIPSING VARIABLES

Z. Klimek

3 March 1972

0638 REMARK CONCERNING NGC 404

L. Meinunger

IMPROVED ELEMENTS OF 3 RR LYRAE VARIABLES IN AQUILA

H. Busch, K. Haussler

14 March 1972

0639 NOTES ON FOUR VARIABLES

H. Busch, K. Haussler

14 March 1972

0640 PHOTOELECTRIC OBSERVATIONS OF AD Leo

P.F. Chugainov, N.I. Shakhovskaya

PHOTOELECTRIC OBSERVATIONS OF AD Leo

K. Barlai, L. Szabados, B. Szeidl

14 March 1972

0641 HR 3327 - AN ECLIPSING BINARY WITH ECCENTRIC ORBIT

B.G. Jorgensen

14 March 1972

0642 UBV OBSERVATIONS OF FU Ori, SU Tau AND OJ 287

A.U. Landolt

15 March 1972

0643 PHOTOVISUAL AND SPECTROPHOTOMETRIC OBSERVATIONS OF THE CARBON

STAR HD 59643

S. Krawczyk, J. Krempec

17 March 1972

0644 RADII VARIATIONS IN RZ LYRAE WITH THE BLASHKO-EFFECT

I.G. Kolesnik, Yu.S. Romanov

21 March 1972

0645 NEW VARIABLE STARS IN LYRA

G. Romano

23 March 1972

0646 HD 21242: A NEW BRIGHT VARIABLE STAR

R.E. Montle, D.S. Hall

A PERIOD OF 60d IN THE LIGHT FLUCTUATIONS OF FG Sge

J. Papousek

24 March 1972

0647 PHOTOELECTRIC MINIMA OF ECLIPSING BINARIES

E. Pohl, A. Kizilirmak

25 March 1972

0648 NOTE ON THE GALAXY M51 AND THE GALAXY NGC 404 (ALSO M33)

S. Gaposhkin

VISUAL OBSERVATIONS OF AD LEONIS

J. Bingham, A. Forno, J. Isles, W. Pennell

25 March 1972

0649 UBV PHOTOMETRY OF TWO ECLIPSING VARIABLES IN THE VICINITY OF M67

R.L. Millis

29 March 1972

0650 INTERMEDIATE-BAND AND H-BETA PHOTOMETRY OF SHORT PERIOD VARIABLE

STARS

C.R. Chambliss

31 March 1972

0651 PHOTOELECTRIC OBSERVATIONS OF ZETA AURIGAE NEAR MINIMUM 1971-72

S. Milcheva, M. Winiarski

5 April 1972

0652 A SEARCH FOR ECLIPSES OF HD 27149

B.G. Jorgensen, E.H. Olsen

5 April 1972

0653 SUPERNOVA 1954 IN THE SBp GALAXY NGC 4027

M. Lovas

2 April 1972

0654 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR UV Cet

G. Asteriadis, L.N. Mavridis

6 April 1972

0655 THE SUPERNOVA SERVICE OF BYURAKAN ASTROPHYSICAL OBSERVATORY

R.G. Mnatsakanian

6 April 1972

0656 REMARKS ON THE OBSERVATIONS OF FLARE STARS BY JAPANESE ASTRONOMERS

G.A. Gurzadyan

8 April 1972

0657 THE ECLIPSING BINARY BD+16d516

L.E. Anderson, M.A. Seeds

10 April 1972

0658 ON THE BINARY SYSTEM CV Ser

R. Burchi

11 April 1972

0659 W UMa. PHOTOELECTRIC MINIMA AND A NEW PERIOD VARIATION

B. Cester, M. Pucillo

12 April 1972

0660 NEW AND SUSPECTED VARIABLE STARS IN VSF 193

D. Hoffleit

14 April 1972

0661 OBSERVATIONS OF NOVAE

R CrB VARIABLE UW Cen

F.M. Bateson

14 April 1972

0662 OBSERVATIONS OF VARIABLE STARS IN NGC 1261

C. Bartolini, F. Grilli, F. Morisi

14 April 1972

0663 A NEW SPECTRUM VARIABLE STAR IN OPHIUCHUS

N. Sanduleak

24 April 1972

0664 NEW FAINT SOUTHERN VARIABLE STARS

F.M. Sosna

24 April 1972

0665 THREE NEW BRIGHT ECLIPSING BINARIES

W. Strohmeier

24 April 1972

0666 AD Leo

K. Osawa, K. Ichimura, Y. Shimizu, E. Watanabe, T. Okada, M. Yutani,

H. Koyano, K. Okida

26 April 1972

0667 PHOTOGRAPHIC B, V PHOTOMETRY OF Sco X-1

A.J. Wesselink, C. Cesco

27 April 1972

0668 TIMES OF MINIMA OF ECLIPSING BINARIES

A. Meyer

29 April 1972

0669 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR EV Lac

M.E. Contadakis, L.N. Mavridis

1 May 1972

0670 NEW FLARE STARS IN ORION

R.I. Kiladze

3 May 1972

0671 NOTE ON THE SUSPECTED SUPERNOVA ANNOUNCED IN IBVS 653

F. Zwicky

A NOTE ON HR 6773 = HD 165814

D.P. Hube

5 May 1972

0672 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR EV Lac

D. Deming, J.C. Webber

8 May 1972

0673 ELEMENTS FOR IQ PERSEI

W. Bischof

9 May 1972

0674 VARIABLE STARS AND X-RAY SOURCES

D.J. MacConnell, A.P. Cowley

11 May 1972

0675 MINIMA OF R CMa

M.B.K. Sarma

16 May 1972

0676 PHOTOELECTRIC OBSERVATIONS OF THE ECLIPSING VARIABLE Z VULPECULAE

H. Ogata, T. Outi

17 May 1972

0677 A NEW SHORT PERIOD ECLIPSING BINARY

D. Hoffleit

17 May 1972

0678 PHOTOELECTRIC OBSERVATIONS OF V645 Cen

B.F. Marino, W.S.G. Walker

THE U Gem TYPE VARIABLE Z Cha

VISUAL OBSERVATIONS OF YZ CMi AND V371 Ori

F.M. Bateson

19 May 1972

0679 WELCH'S RED VARIABLE STAR IN CRUX AN R CENTAURI LIKE VARIABLE

W.S.G. Walker, B.F. Marino

19 May 1972

0680 PI PsA

M. Petit

24 May 1972

0681 HD 93206 (CSV 6797) AN ECLIPSING SYSTEM PRESENTING OBSERVATIONAL

PROBLEMS

W.S.G. Walker, B.F. Marino

25 May 1972

0682 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR AD Leo DURING THE

1972 FEBRUARY 9-22 INTERNATIONAL PATROL

S. Cristaldi, M. Rodono

25 May 1972

0683 NEW VARIABLE STAR IN THE OPEN CLUSTER NGC 7128

L. Kohoutek

29 May 1972

0684 PHOTOELECTRIC OBSERVATIONS OF YZ CMi

V.S. Oskanian, J.V. Khatchatrian

20 June 1972

0685 PHOTOELECTRIC OBSERVATIONS OF AD Leo

V.S. Oskanian

20 June 1972

0686 EXTRAGALACTIC CaII ABSORPTION LINES IN THE SPECTRA OF THE SUPERNOVA

IN NGC 5253

R.F. Sistero, M.F. Castore de Sistero

20 June 1972

0687 MULTIWAVELENGTH PROGRAM FOR THE ACTIVE SOURCES 3C 120, BL Lac AND

OJ 287

E.E. Epstein

ERUPTIVE OBJECT IN URSA MAIOR

H. Huth

20 June 1972

0688 NEW FLARES IN THE PLEIADES

L.G. Balazs, L. Patkos

21 June 1972

0689 MULTI-COLOUR PHOTOMETRY OF THE UVn-TYPE VARIABLE NS ORIONIS, DURING

AN EXCEPTIONALLY LONG-LIVED OUTBURST

A.D. Andrews

27 June 1972

0690 PHOTOMETRIC OBSERVATIONS OF 13 CEPHEID VARIABLES

W. Wamsteker

27 June 1972

0691 ANSWER TO IBVS NO 656

K. Osawa, K. Ichimura

30 June 1972

0692 ERUPTIVE OBJECT IN URSA MAIOR

H. Huth

30 June 1972

0693 OBSERVATIONS OF AX MONOCEROTIS

F.B. Wood, R.H. Bloomer

7 July 1972

0694 BATESON'S NOVA Sgr 1969

P.R. Knight

7 July 1972

0695 SUPERNOVA IN ANONYMOUS GALAXY

G. Romano

PI PsA

M. Petit

10 July 1972

0696 ROSINO'S OBJECT: EVIDENCE FOR A FOURTH OUTBURST

S.C. Lucchetti, P.D. Usher

12 July 1972

0697 RADIAL VELOCITY OF RR LYRAE VARIABLE RW Ari

H.A. Abt, W.Z. Wisniewski

14 July 1972

0698 PLEIONE, OCTOBER 1971 - APRIL 1972

A.S. Sharov, B.M. Lyutiy

20 July 1972

0699 NOTE ON THE PERIOD OF OO AQUILAE

T. Herczeg

20 July 1972

0700 SUPERNOVA IN NGC 5253

A.W.J. Cousins

24 July 1972