nos. 401-500 1969 november – 1970 december

COMMISSION 27 OF THE I.A.U.

INFORMATION BULLETIN ON VARIABLE STARS

Nos. 401-500

1969 November – 1970 December

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

1525 BUDAPEST, Box 67, HUNGARY

CONTENTS

0401 PHOTOELECTRIC OBSERVATIONS OF EV Lac

K.L. Maslennikov, N.I. Shakhovskaya

10 November 1969

0402 V-OBSERVATIONS AND LIGHT ELEMENTS OF OMEGA Cen V78

R.F. Sistero, C.R. Fourcade, J.R. Laborde

11 November 1969

0403 OBSERVATIONS OF EV Lac DURING THE INTERNATIONAL CAMPAIGN SEPTEMBER

4-19, 1969

S. Cristaldi, M. Rodono

12 November 1969

0404 OBSERVATIONS OF UV Cet DURING THE INTERNATIONAL CAMPAIGN OCTOBER 3-18,

1969

S. Cristaldi, M. Rodono

12 November 1969

0405 UV Cet

K. Osawa, T. Noguchi, T. Okada, K. Ichimura, E. Watanabe, K. Okida

19 November 1969

0406 FLARE ACTIVITY OF UV Cet

A.H. Jarrett, J.P. Eksteen

23 November 1969

0407 VISUAL OBSERVATIONS OF THE FLARE STAR EV LACERTAE

A.D. Andrews

25 November 1969

0408 THE VARIABILITY OF BV 516

C.R. Chambliss

NOVA IN SAGITTARIUS

M.P. Candy

27 November 1969

0409 ETOILES VARIABLES NOUVELLES AU NORD DE BETA TAURI

A. Brun

21 December 1969

0410 PHOTOELECTRIC OBSERVATIONS OF EV Lac

P.F. Chugainov, N.I. Shakhovskaya

30 December 1969

0411 PHOTOELECTRIC OBSERVATIONS OF UV Cet

P.F. Chugainov, N.I. Shakhovskaya

30 December 1969

0412 FLARE ACTIVITY OF UV CETI

A.H. Jarrett, J.P. Eksteen

7 January 1970

0413 3 Hya = HD 72968

R. Steinitz, D.M. Pyper

9 January 1970

0414 ELEMENTS OF BRIGHT SOUTHERN CEPHEIDS

R.S. Stobie

14 January 1970

0415 HIGH-FREQUENCY STELLAR OSCILLATIONS. III. A BRIEF REPORT

B.M. Lasker, J.E. Hesser

21 January 1970

0416 PROGRAMME OF COOPERATIVE OBSERVATIONS OF FLARE STARS FOR 1970

A.D. Andrews, P.F. Chugainov

22 January 1970

0417 V362 Her

H. Busch

NP Her

H. Busch, K. Haussler

23 January 1970

0418 AUTOCORRELATION ANALYSIS OF DQ Her AND RW Tri

A.F. Pugach

23 January 1970

0419 PHOTOELECTRIC MINIMA OF ECLIPSING VARIABLES

C. Popovici

19 February 1970

0420 THE 3323 VARIABLE STARS IN OR PROJECTED ON THE MAGELLANIC CLOUDS DOWN

TO -0.8 ABSOLUTE MAGNITUDE

S. Gaposhkin

20 February 1970

0421 OBSERVATIONS PHOTOELECTRIQUES DE HD 125248

H.M. Maitzen

26 February 1970

0422 ON FOUR VARIABLE STARS IN THE GLOBULAR CLUSTER M2

B. Kukarkin

4 March 1970

0423 PHOTOELECTRIC OBSERVATIONS OF THE FLARE STAR YZ CMi

S. Cristaldi, M. Rodono

20 March 1970

0424 THE HIGH VELOCITY VARIABLE QT CrA

M.W. Feast

31 March 1970

0425 PHOTOGRAPHIC OBSERVATIONS OF UV CETI

L.N. Mosidze, A.D. Chuadze

31 March 1970

0426 FLARES OF YZ CMi OBSERVED AT OKAYAMA, 31 JANUARY TO 13 FEBRUARY, 1970

K. Osawa, K. Ichimura, T. Noguchi, E. Watanabe, T. Okada, K. Okida

6 April 1970

0427 LIST OF PROBABLE DELTA SCUTI STARS

M.S. Frolov

12 April 1970

0428 THE SPECTRUM OF NOVA SERPENTIS 1970

U.K. Gehlich, J. Tremko, R. Wehmeyer

12 April 1970

0429 NOVA SERPENTIS

K. Osawa

14 April 1970

0430 FREQUENCE DES SURSAUTS DES ETOILES DU TYPE UV CETI

M. Petit

16 April 1970

0431 ETOILES NAINES ROUGES VARIABLES

M. Petit

19 April 1970

0432 AD Leo

K. Osawa, K. Ichimura, T. Noguchi, E. Watanabe, T. Okada, K. Okida

21 April 1970

0433 PHOTOMETRY OF AD Leo

A.H. Jarrett, J.P. Eksteen

28 April 1970

0434 FLARE PHOTOMETRY OF UV CETI

A.H. Jarrett, J.P. Eksteen

28 April 1970

0435 THE MAGNETIC VARIABLE BETA CrB

C. Bartolini, P. Battistini, R. Pecorari

30 April 1970

0436 KM CASSIOPEIAE

L.R. Wackerling

11 May 1970

0437 A NOVA IN THE LARGE MAGELLANIC CLOUD

D.J. MacConnell

11 May 1970

0438 PHOTOELECTRIC PERIOD FOR BV 346

R.C. Tate

4 June 1970

0439 PHOTOELECTRIC PATROL OF THE FLARE STAR BD +13d2618

S. Cristaldi, M. Rodono

5 June 1970

0440 NEW ELEMENTS FOR SS Ari

W. Braune

10 June 1970

0441 PHOTOELECTRIC OBSERVATIONS OF FLARE STARS

P.F. Chugainov, N.I. Shakhovskaya

29 June 1970

0442 FLARE ACTIVITY OF -32d16135, YZ CMi AND LPM 63

W.E. Kunkel

2 July 1970

0443 THE PERIOD OF TW DRACONIS FROM 1880 TO 1970

E. Pohl

BD +28d838

A. Brun

3 July 1970

0444 HR 2989: A NEW DELTA SCUTI STAR

J.R. Percy

6 July 1970

0445 TIME OF MINIMUM FOR WY HYDRAE

A.U. Landolt

8 July 1970

0446 PHOTOELECTRIC TIME OF MINIMUM FOR AI CRUCIS

A.U. Landolt

8 July 1970

0447 LIGHT VARIATIONS OF BD +39d2193

R.L. Walker

10 July 1970

0448 A NOVA IN THE LARGE MAGELLANIC CLOUD, BV 1261

J. Sievers

10 July 1970

0449 PHOTOGRAPHIC LIGHT ELEMENTS OF TX Cnc

K.P. Tritton, R.A. Brett

15 July 1970

0450 FLARE ACTIVITY OF UV CETI

F.M. Bateson

FLARE ACTIVITY OF UV CETI

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

17 July 1970

0451 YZ CANIS MINORIS

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

YZ CANIS MINORIS

F.M. Bateson

V645 (PROXIMA) CENTAURI

F.M. Bateson, C. Rowe, R. Austin, M. Clark

17 July 1970

0452 NOVA SAGITTARII 1969, BV 1262

J.R. Sievers

18 July 1970

0453 PHOTOELECTRIC TIMES OF MINIMA OF RR CENTAURI

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

20 July 1970

0454 CONFIRMATION OF A SUSPECTED VARIABLE IN COMA BERENICES

M.J. Keyes

22 July 1970

0455 CEPHEIDES DE FAIBLE AMPLITUDE

M. Petit

26 July 1970

0456 PHOTOELECTRIC MINIMA OF ECLIPSING BINARIES

E. Pohl, A. Kizilirmak

26 July 1970

0457 AUTOCORRELATIVE ANALYSIS OF LIGHT OF DQ Her, UX UMa AND RW Tri

F.I. Lukatskaya, A.F. Pugach

27 July 1970

0458 NOTE ON KM Cas

C.B. Stephenson

1 August 1970

0459 TWO SUPERNOVAE IN FAINT GALAXIES

P. Notni, H. Oleak

26 August 1970

0460 UBV OBSERVATIONS OF NOVA SERPENTIS 1970

A.U. Landolt

27 August 1970

0461 COOPERATIVE OBSERVATIONS OF THE FLARE STAR V1216 Sgr

R. Costa, S. Cristaldi, M. Rodono

28 August 1970

0462 FLARE ACTIVITY OF PROXIMA CENTAURI, 1969

W.E. Kunkel

1 September 1970

0463 A PHOTOELECTRIC STUDY OF BETA PEGASI

K. Locher

2 September 1970

0464 PHOTOGRAPHIC OBSERVATIONS OF THE ECLIPSING VARIABLE HBV 434 = V1171 Cyg

H. Bossen

10 September 1970

0465 VY CANIS MAJORIS - A UNIQUE VARIABLE (PRELIMINARY RESULTS)

L.J. Robinson

11 September 1970

0466 JOINT OBSERVATIONS DURING SATELLITE X-RAY EXPERIMENTS

R. Giacconi, H. Gursky, E. Kellogg, H. Tananbaum

30 September 1970

0467 REMARK ABOUT WZ Sge

H. Brancewicz

30 September 1970

0468 A PERIOD CORRECTION FOR KP CYGNI

M. Vogt

5 October 1970

0469 SYMBIOTIC STARS IN SAGITTARIUS EXAMINED FOR VARIABILITY

D. Hoffleit

5 October 1970

0470 GRADIENT DIAGRAM FOR PULSATING VARIABLES

I.G. Kolesnik

8 October 1970

0471 CLASSIFICATION OF PULSATING VARIABLES BY LIGHT GRADIENTS

I.G. Kolesnik

8 October 1970

0472 PREOUTBURST OBSERVATIONS OF NOVA SCUTI 1970

L.J. Robinson, M. Harwood

14 October 1970

0473 PHOTOELECTRIC OBSERVATIONS CQ Cep

T.A. Kartashova

24 October 1970

0474 ANOTHER VARIABLE WITH CHANGING PERIOD

D. Hoffleit

25 October 1970

0475 PHOTOELECTRIC OBSERVATIONS OF NOVA SAGITTARII 1969

F.M. Bateson

26 October 1970

0476 PERIOD-CONTROL FOR ECLIPSING BINARIES BV 1161, 1162, 1209 AND 1214

W. Strohmeier

26 October 1970

0477 NEW BRIGHT SOUTHERN VARIABLE STARS

S. Shaw, J. Sievers

26 October 1970

0478 POSSIBLE FLARE STAR NEAR M31

S. van den Bergh

27 October 1970

0479 UV Ceti

K. Osawa, K. Ichimura

28 October 1970

0480 57TH NAME-LIST OF VARIABLE STARS

B.V. Kukarkin, P.N. Kholopov, N.B. Perova

30 October 1970

0481 RECENT OBSERVATIONS ON THE FLARE STAR V1216 SAGITTARII

A.H. Jarrett

31 October 1970

0482 UBV OBSERVATIONS OF THREE CEPHEIDS

E.F. Milone

2 November 1970

0483 HD 72754 - A NEW Be VARIABLE STAR OF BETA LYRAE TYPE

A.D. Thackeray, J.B. Alexander, P.W. Hill

5 November 1970

0484 FLARES OF UV CETI

A.H. Jarrett, J.P. Eksteen

5 November 1970

0485 PHOTOELECTRIC OBSERVATIONS OF EV Lac DURING THE INTERNATIONAL CAMPAIGN

23 AUGUST - 9 SEPTEMBER 1970

P.F. Chugainov, N.I. Shakhovskaya, K.L. Maslennikov

7 November 1970

0486 PHOTOELECTRIC OBSERVATIONS OF UV Cet DURING THE INTERNATIONAL CAMPAIGN

22 SEPTEMBER - 9 OCTOBER 1970

P.F. Chugainov, G.N. Alekseev

7 November 1970

0487 FLARES OF AC +8d142 - 393

N.I. Shakhovskaya, K.L. Maslennikov

8 November 1970

0488 PHOTOELECTRIC OBSERVATIONS OF EV Lac

V.S. Oskanian

11 November 1970

0489 ON THE VARIABILITY OF THE CARBON STARS CIT 5 AND CIT 13

Z. Alksne, A. Alksnis

19 November 1970

0490 THE SECONDARY PERIOD OF THE RRab STAR SZ HYDRAE

S. Kanyo

21 November 1970

0491 VARIABLE STAR COLLOQUIUM IN BAMBERG 31 AUGUST - 3 SEPTEMBER 1971

G.H. Herbig

28 November 1970

0492 FLARE STAR OBSERVATIONS DURING SATELLITE X-RAY EXPERIMENTS

T.C. Weekes

29 November 1970

0493 NEW FLARES IN PLEIADES

L.G. Balazs, R.A. Vardanian

7 December 1970

0494 NOVA SAGITTARII 1970 = SVS 1728

V. Arhipova, O. Dokuchaeva

8 December 1994

0495 THE OPTICAL POLARIZATION OF NOVA Del 1967

J. Arsenijevic, K. Alexsandar

9 December 1970

0496 RESULTS OF THE STUDY OF 3806 VARIABLES IN AND ABOUT THE MAGELLANIC CLOUDS

S. Gaposhkin

12 December 1970

0497 COOPERATIVE OBSERVATIONS OF EV Lac

K.A. Grigorian, M.A. Eritsian

14 December 1970

0498 PHOTOELECTRIC OBSERVATIONS OF AD Leo DURING THE 1970 MARCH 1-15

INTERNATIONAL PATROL

S. Cristaldi, M. Rodono

18 December 1970

0499 SOME PROBABLY REAL AND SOME PROBABLY SPURIOUS FLARES OF AD Leo

R.H. Herr

22 December 1970

0500 A NEW LARGE AMPLITUDE ECLIPSING STAR

L.J. Robinson, M. Harwood, V.M. Swain

28 December 1970