PAGE i R X A N D R O M E D A E L I G H T C U R V E S 1 9 6 3 - 1 9 9 5 AAVSO MONOGRAPH 9 This monograph is dedicated to Richard J. Strazdas in recognition of his service and contributions to the Association. Prepared by Janet A. Mattei Elizabeth O. Waagen E. Grant Foster Funds for preparation and publication provided by Richard J. Strazdas Clinton B. Ford Additional funds provided by AAVSO Members International Astronomical Union (IAU) ------------------------------------------------------------------------------ PAGE ii ISBN 1-878174-20-7 COPYRIGHT 1996 by the American Association of Variable Star Observers 25 Birch Street Cambridge, Massachusetts 02138 USA All rights reserved. All commercial use of any part of this book requires the written permission of the AAVSO. All non-commercial use by individuals and educators is granted without restriction. ------------------------------------------------------------------------------ PAGE iii TABLE OF CONTENTS Introduction v Observers of RX Andromedae vii Information on RX Andromedae x Key to Symbols x Long-term Light Curve of RX Andromedae, 1963 - 1995 1 Long-term Light Curve of 1-Day Means of RX Andromedae, 1963-1995 5 Expanded Light Curves of RX Andromedae, 1963 - 1995 6 ------------------------------------------------------------------------------ PAGE iv page iv is blank ------------------------------------------------------------------------------ PAGE v RX ANDROMEDAE LIGHT CURVES, 1963 - 1995 Introduction AAVSO long-term light curves of variable stars contain crucial information that has a significant bearing on many outstanding questions in astrophysics. These light curves define the behavior of variable stars and provide basic sets of observations for multiwavelength data correlation, data analysis, and for checking theories and matching models. The monograph format enables us to present long-term variable star behavior, with each Monograph containing 20 or more years of computer-generated light curves on one star. Each Supplement to a Monograph continues the light curves of the same star, bringing them more up-to-date. RX Andromedae Light Curves, 1963 - 1995 AAVSO Monograph 9 contains light curves of the dwarf nova-type (Z Camelopardalis subtype) cataclysmic variable RX Andromedae from September 1963 through December 1995 (JD 2439295 - 2450083). The AAVSO long-term light curve of RX Andromedae from September 1963 through December 1995 (JD 2438295 - 2450083) is presented on pages 1 - 4. This light curve has been included to give a more complete picture of RX Andromedae's behavior. The observations that comprise this light curve are visual and come from the AAVSO International Database and Archives. AAVSO data from September 1924 - when RX Andromedae was added to the AAVSO observing program - to September 1963 have been published in Popular Astronomy, Vols. 33 - 43 (1925 - 1935); Annals of Harvard College Observatory, Vols. 104, 107, 110, and 116 (1935 - 1946); AAVSO Quarterly Reports 1 - 27 (1946 - 1960); and AAVSO Report 29 (1961 - 1963). Page 5 is a light curve of one-day means of the observations of RX Andromedae published in this monograph. This light curve is presented to show the overall behavior of the star in this interval. Pages 6 through 65 contain computer-generated light curves from 1963 through December 1995, with each dot representing one observation. Observations are plotted Julian date versus magnitude, and the start of each year (January 1) is indicated along the upper axis. A scaled grid is provided to assist in determining the exact date and magnitude of any data point. Factual information on RX Andromedae and a Key to Symbols are given on page x. The observations in this monograph are the contributions of AAVSO members or observers in the United States and abroad. 583 observers have contributed 42,980 observations to the light curves from 1963 through 1995. The names and observer codes of these observers are given on pages vii through ix. Organizations whose members have contributed observations to the AAVSO either individually or through their organization are listed on page ix. In preparing the data for publication in this monograph, each of the observations was evaluated by my senior technical assistant Elizabeth O. Waagen and by me. Software used in evaluating and plotting the observations was developed by my technical assistant E. Grant Foster. The observations from 1963 through 1995 included in this monograph have been preserved on compact disc, cartridge, and printout. Electronic, diskette, or printout copies of observations for further analysis may be obtained by writing or sending email to the AAVSO Director at aavso@aavso.org. The data may also be retrieved for personal use (not for publication or distribution) from the AAVSO's ftp site: ftp.aavso.org (198.116.78.2) v ------------------------------------------------------------------------------ PAGE vi in /pub/monographs, or its home page: http://www.aavso.org. Acknowledgements We dedicate AAVSO Monograph 9 to Richard J. Strazdas, who has contributed generously towards the preparation of the AAVSO monographs and supplements. We extend our sincere thanks to him. We remember with special thanks Clinton B. Ford for his very generous contribution for the preparation of this and subsequent monographs and monograph supplements. Our sincere thanks go to AAVSO members and friends for their contributions to prepare these monographs and monograph supplements. We thank the International Astronomical Union (IAU) for their support of our monograph series and for the grant provided to the AAVSO to publish this and other monographs. We acknowledge with thanks the computer support of the Smithsonian Astrophysical Observatory for the processing of part of the data and data preservation. The evaluation of the data and the preparation of this monograph supplement were accomplished using the computer facilities at AAVSO Headquarters. This computer hardware was purchased through grants from the National Aeronautics and Space Administration (grant awards NAGW 1493 and NAG 5-1459), the Kenilworth Fund, and the Theodore H. Dunham Fund for Astrophysical Research. We gratefully acknowledge these grants. Many AAVSO assistants helped in the preparation of the data for publication. My special thanks go to Elizabeth O. Waagen for her careful evaluation of the observations and plotting the light curves, and to E. Grant Foster for developing the computer programs for the IBM-PC compatible MS-DOS computers at AAVSO Headquarters to evaluate, plot, and prepare the data for publication. Robert S. Hill, Charles M. Jones, and Richard J. Strazdas assisted in the initial development of the computer programs to manage the large volumes of data. Benjamin D. Oppenheimer helped in the preliminary editing of a portion of the data. Barbara Silva, Donna Eldridge, Douglas Van Orsow, Young Lim, Michael Bickford, and several other student-assistants have helped in making the data computer-readable. The dedication, the many, many hours of observing, and the untiring efforts of our observers in pursuit of contributing to variable star astronomy have made this publication possible. Our very sincere thanks and gratitude go to them for their valuable astronomical contributions. Janet Akyuz Mattei Director Cambridge, Massachusetts September 1996 vi ----------------------------------------------------------------------------- PAGE vii CONTRIBUTORS TO AAVSO DATA ON RX ANDROMEDAE 1963 - 1995 AAP ABBOTT, A. PATRICK 14 | CMP CAMPBELL, RICHARD 24 | AMT ADAMS, MARK T. 65 | CFN CAMPOS, FRANCISCO 9 | AD ADAMS, ROBERT M. 25 | CEA CANDELA, BERNARD 27 | ASK AKITA, SATOSHI 6 | CAH CARNEY, HAROLD J. 1 | AYT AKIYOSHI, TARO C. 29 | CE CARPENTER, CLAUDE 2 | AB ALBRECHT, WILLIAM 296 | CPK CARPREAU, PATRICK 1 | ALG ALDERING, GREGORY 6 | CGW CARRAGAN, WILLIAM 1 | AG ALLIN, ROBERT 2 | CTB CARTER, BRIAN A. 15 | ALN ALLISON, RUDIE J. 11 | CDX CHALOUX, DAVID A. 6 | AMB AMBROSE, K. SCOTT 1 | CNT CHANTILES, DEAN 25 | AOD ANDERSEN, ODD'IVAR 6 | CGF CHAPLE JR., GLENN 436 | AK ANDERSON, CARL A. 1 | CHR CHOATE, ROBERT 4 | AC ANDERSON, CURTIS E. 255 | TCE CIFUENTES-TORRES, EDUARDO 139 | AWR ANDREWS, RICHARD S. 1 | CPH CLAISSE, PIERRE 2 | ANN ANNAL, ROBERT J. 279 | CLG CLUYSE, LUDWIG 8 | ARI ARIAIL, ROBERT B. 314 | CCR COCHRAN, HARRY F. 34 | ARN ARNOLD, LUC 10 | COL COLLINS, PETER L. 5 | AUB AUBAUD, JEAN 1 | CMG COMELLO, GEORG 98 | BGL BAGLYAS, GABOR 1 | CGG CONLIN, GREGORY 65 | BOZ BAGO, BALAZS 19 | CNS CONNORS, MARTIN G. 1 | BJR BAJOCCHI, RAOUL 6 | COO COOK, LEWIS M. 50 | BTR BAKER, TIM R. 148 | CK COOK, STEPHEN P. 17 | BM BALDWIN, MARVIN E. 2 | CSD COSTANZO, DANIEL 3 | BRM BALES, RONALD M. 17 | CLX COX, LOUIS B. 12 | BJ BANKS, JAMES 23 | CR CRAGG, THOMAS A. 69 | BWK BARKSDALE, WILLIAM 25 | CCS CREIGH, CHARLES 5 | BSF BARNHART, STEPHEN 68 | CDS CROSS, DARRELL 3 | BB BATES, RALPH S. 1 | CRR CRUMRINE, ROBERT E. 21 | BAU BAUER, JOHANN 88 | CSM CSUKAS, MATYAS 18 | BBA BEAMAN, BARRY B. 5 | CCO CUBILLO, CARLOS F. 2 | BEJ BEAVER, JOHN 2 | CUN CUNNINGHAM, DOUGLAS 5 | BKK BECKMANN, KENNETH 140 | DAH DAHLE, HAAKON 76 | BTY BENNER, TERRY 172 | DLT DALTON, JOHN E. 1 | BEB BERG, RAYMOND 5 | DTA DARVANN, TRON A. 5 | BEG BERGER, L. 2 | DYJ DAUBY, JEAN 2 | BML BERNSTROM, MARVIN 59 | DAJ DAVIS, JACK F. 26 | BIO BERRIOT, PIERRE 2 | DMT DE MENTEN, TH. 6 | BIC BICHON, LAURENT 15 | DEY DE YOUNG, JAMES A. 191 | BMM BIESMANS, MARC 1 | DBF DEBOOSERE, FRANK 12 | BIL BILODEAU, GERALD A. 1 | DES DECEUNINCK, STEFAAN 27 | BIK BIRIOUKOFF, GEORGES 1 | DFF DEFFAYET, CEDRIC 3 | BLK BLAKE, HENRY 2 | DEA DEMARTINO, ROBERT 10 | BQR BLAKE, ROGER A. 1 | DFR DEMPSEY, FRANCIS S. 6 | HUO BLOOM, DONNA J. 40 | DEK DEQUICK, KURT 18 | BAX BOATTINI, ANDREA 1 | DTE DESLIJPERE, TOMMY 17 | BOH BOHME, DIETMAR 21 | DJN DICKINSON, JON J. 1 | BOD BOHN, DENNIS 42 | DPA DIEPVENS, ALFONS 669 | BFK BOINCK, FRANK 15 | DMN DIERICK, DOMINIQUE 58 | BOI BOIS, BERNARD 61 | DRG DIETHELM, ROGER 88 | BYR BONDONO, JEFFERY R. 2 | DLA DILL, ALBERT G. 132 | BVL BONNEVILLE, DIDIER 2 | DIL DILLON, WILLIAM G. 20 | BMW BORGMAN, MARK W. 5 | DRX DIXON, ROBERT 10 | BOR BORNHURST, LARRY 4 | DPL DOMBROWSKI, PHILIP 363 | BRJ BORTLE, JOHN E. 1652 | DMR DOMEN, RONALD 1 | BZC BORZELLI, CARMINE 5 | DZM DONZEL, MARC 1 | BMU BOUMA, REINDER J. 216 | DUS DUBOIS, ROBERT 4 | BAP BRADLEY, PHILIP A. 31 | DRY DUCOTY, RICHARD B. 40 | BDT BRANCHETT, DAVID W. 7 | DUP DUPASQUIER, PAUL 32 | BTB BRETL, THOMAS C. 123 | DUR DURUY, MAURICE V. 137 | BSM BRINCAT, STEPHEN M. 59 | DKS DVORAK, SHAWN 2 | BAA BRITISH ASTRONOMICAL ASSOC. 99 | DGP DYCK, GERALD P. 1516 | BLP BRLAS, PAL 1 | ECJ ECKENDORF, JAMES H. 39 | BOS BROENS, ERIC 100 | ECK ECKERT, CHRISTOPH 16 | BRU BROUILLETE, ALBERT 1 | EMS EDELSTEIN, MARK S. 1 | BNK BROWN, NICHOLAS 4 | ELD ELIAS, DEMETRIUS P. 3 | BRT BROWN, TIMOTHY 1 | ELP ELIAS, PANAGIOLIS 1 | BOA BRUNO, ALAIN 13 | EJT EMMERT, JOHN T. 34 | BRY BRYAN JR., JAMES T. 71 | EJL EVERAERT, JEAN-LUC 1 | BYD BRYDEN, ROBERT K. 52 | FCA FAUSEL, CHARLES A. 41 | BUO BUENO, ANTONIO T. 9 | FJH FEIJTH, HENDRIK 707 | BUW BUHROW, ROSS 23 | FKJ FEKETE, JANOS 19 | BDH BULDER, H. J. J. 2 | FE FERNALD, CYRUS F. 289 | BCN BURRELL, C. M. 1 | FJL FERREIRA, JAMES L. 38 | BTH BURROWS, THOMAS A. 117 | FET FETTERMAN, THOMAS 63 | BUL BUTLER, THOMAS 11 | FRF FIDRICH, ROBERT 141 | CMT CAMELOT, RENE 2 | FEM FLYNN, EDWARD M. 59 | FDA FODOR, ANTAL 1 FTR FODOR, TAMAS 1 FFC FOLDESI, FERENC 17 FMR FONOVICH, MARINO 4 FD FORD, CLINTON B. 61 FT FORTIER, GEORGE L. 7 FOU FOURNIAL, A. 1 FMC FRANGEUL, MICHEL 6 FRT FREEMAN, TONY 1 FRH FRICH, ARNAND 3 FML FRIDLUND, MALCOLM 2 FRI FRIGON, LEON A. 3 FMG FUGMAN, GARY C. 58 GBZ GABZO, OFER 202 GAR GARRISON, TOM S. 1 GAZ GARSZTKA, J. PHILLIPPE 10 GAY GAYDOS, MARK 2 GJN GENSLER, JAN 1 GSR GESCHWIND, RALPH 13 GRJ GIORDANO, JAMES 2 GLF GLENN, FLORENCE R. 1 GGT GLENN, GARY 1 GLW GLENN, WILLIAM H. 1 GFB GOFF, WILLAM 17 GOT GOMEZ, TOMAS 1 GOP GOODWIN, PAUL N. 450 GGH GOUGH, THOMAS 3 GRX GRACE, RICHARD A. 6 GRK GRAHAM, KENNETH 1 GRL GRANSLO, BJOERN H. 471 GGY GREGORY, CLAUDE 1 GRI GRIESE III, JOHN W. 362 GSC GROS, CHRISTIAN 5 GCT GRUNNET, CARL 196 GRZ GRZELCZYK, HEINZ 308 GUB GUBBELS, GUIDO 41 GUG GUGUMUS, VINCENT 5 GHD GUIDRY, HOWARD 11 GPR GUILBAULT, PETER R. 3 GUN GUNTHER, JEAN 611 HTY HAGER, TIMOTHY 58 HK HALBACH, EDWARD A. 71 HMR HAM, RONALD 14 HNN HANON, CHRISTIAN 5 HSG HANSON, GENE 146 HLP HARLES, PETER 86 HRR HARRINGTON, PHILIP 5 H HARTMANN, FERDINAND 5 HAV HARVAN, RICHARD P. 101 HAY HAYDEN, EDWARD R. 39 HAB HAYS JR., ROBERT H. 783 HZL HAZEL, LAWRENCE 131 HY HEASLEY, ALAN S. 14 HEF HEIFNER, MARK A. 527 HEE HEISER, ERWIN 8 HEL HELBAK, KNUTE 23 HEV HEVESI, ZOLTAN 1 HEY HEYNDRICKX, BRUNO 23 HE HIETT, F. LANCASTER 1 HIM HILL, MICHAEL L. 6 HRI HILL, RICHARD E. 41 HIR HIRASAWA, YASUO 102 HWD HODGSON, WILLIAM D. 2 HJO HOLTROP, J. 43 HOH HONDA, HIDEO 26 HOO HOOGEVEEN, GEERT 16 HOP HOPP, ULRICH 20 HRB HORNBY, PETER W. 9 HTI HORTON, IDA 1 HOV HORVATH, GEZA 1 HSF HOSSFIELD, CASPER 23 HSR HOSTE, SERGE 17 HOU HOUGH, DAVID 1 HU HOUSTON, WALTER S. 11 HVA HOUVENAEGHEZ, ALAIN 1 HOA HOWELL, ANDY 2 vii ----------------------------------------------------------------------------- PAGE viii CONTRIBUTORS TO AAVSO DATA ON RX ANDROMEDAE (continued) 1963 - 1995 HOY HOYLE, S. J. 2 | LX LOWDER, WAYNE M. 480 | HYJ HOYNOS, JOHN F. 1 | LW LOWRY, WILLIAM I. 27 | HUB HUBBARD, RUSSELL 10 | LBG LUBCKE, GILBERT C. 252 | HUH HUGHES JR., HARRY 2 | LS LUCAS, DIANE 170 | HR HURLESS, CAROLYN J. 1193 | LCG LUDWIG, CLUYSE 5 | HTD HUTTER, DONALD J. 1 | LKS LUKAS, RAINER 5 | IML IDEM, MICHAEL 830 | LRE LUNSFORD, ROBERT 7 | ISH ISHIHARA, TOSHIHIRO 469 | MAA MAAG, RUSSELL C. 1 | ILS ISLES, JOHN E. 323 | MDW MACDONALD II, WALTER 9 | JAG JAEGER, GREGG 3 | MKE MANSKE, ROBERT P. 7 | JM JAMES, ROBERT A. 54 | MJZ MANZORRO, JUAN 54 | JJT JEFFREY, J. THOMAS 17 | MCO MARCARIO, MIKE 9 | JLT JENSEN, LASSE TEIST 186 | MIC MARILLER, C. 1 | JRJ JOHANNS, R. J. 16 | MRX MARX, HARALD 155 | JHN JOHNS, MIKE 1 | MSM MASSON, MICHEL 1 | JOG JOHNSON, GUS E. 26 | MTO MATEO, MARIO 19 | JR JOHNSSON, ROBERT G. 1 | MTH MATSUYAMA, HIROSHI 81 | JON JONCKHEERE, KURT 2 | MPR MAURER, PETER 26 | JNM JONES, MICHAEL I. 4 | MGE MAVROFRIDIS, GEORGE 13 | JJN JORDAN, JERRY 8 | MYW MAYER JR., ERNST W. 40 | JPE JUHAROS, PETER 4 | MYR MAYER, ERNST H. 1071 | KB KAMINSKI, WALTER J. 21 | MJW MAYER, JAY W. 187 | KTL KEITH, LEE 4 | MGU MCCAGUE, THOMAS J. 3 | KLY KELLEY JR., GEORGE 543 | MOM MCCONNELL, MARK 1 | KTY KESLER, TERRY 2 | MCF MCFARLAND, TOM 1 | KRB KING, ROBERT P. 241 | MGG MCGINNIS, GARY L. 3 | KIR KIRBY, PHILLIP E. 15 | MKJ MCKENNA, JEROME F. 300 | KBS KIRBY-SMITH, HENRY 46 | MKK MCKEOWN, KEVIN M. 11 | KBR KIRSHNER, BRIAN 1 | MBC MCMILLAN, BETTY P. 18 | KIL KISS, LASZLO 65 | MED MEDWAY, KENNETH J. 674 | KLK KLEBERT, KLAUS 7 | MLP MENDELL, PAUL 1 | KPL KNEIPP, PAUL W. 3 | MMY MEYER, MAIK 8 | KOJ KNOX, OSWALD J. 277 | MEZ MEZOSI, CSABA 44 | KOC KOCSIS, ANTAL 30 | MDI MIDDLEMIST, IAN A. 6 | KKF KOEHLER, KARL F. 2 | MOK MIDTSKOGEN, ORNULF 855 | KHL KOHL, MICHAEL 13 | MRU MILLER, RICHARD F. 18 | KHJ KOLLER, HERBERT J. 4 | MIS MINOIS, JOEL 148 | KRS KOLMAN, ROGER S. 29 | MTD MINTER, TODD 1 | KRF KONIOR, ROBERT F. 14 | MZS MIZSER, ATTILA 227 | KRT KORTH, STEFAN 70 | MRV MODIC, ROBERT J. 281 | KOS KOSA-KISS, ATTILA 109 | MOX MOELLER, GERHARD 6 | KOA KOSHIRO, MASAMI 9 | MMI MOELLER, MICHAEL 341 | KAV KOUSHIAPPAS, SAVVAS 1 | MGJ MOGELINSKI, JERRY 1 | KVI KOVACS, ISTVAN 8 | MOL MOLNAR JR., JAMES 2 | KRD KRIDLO, THOMAS N. 23 | MDE MONGER, DON R. 37 | KWO KRIEBEL, WOLFGANG 91 | MOR MONSKE, ROBERT L. 35 | KRR KRINGEL, ROBERTO 1 | MJ MONTAGUE, ALLEN C. 31 | KJI KRTICKA, JIRI 21 | MF MONTAGUE, FREDERICK 4 | KUH KUHNS, JAMES L. 5 | MOP MOORE, PATRICK 31 | KPG KUIPERS, GAUKE 134 | MO MOORE, WALTER L. 1 | KCF KURTZ, CONRADO F. 1 | MJA MORGAN, JAMES A. 3 | KUW KUWABARA, TAKEHISA 3 | MOJ MORGAN, JAMES E. 62 | LGT LACASSIN, GILBERT 124 | MOI MORILLON, ERIC 59 | LC LACY, CLAUD 1 | MRR MORRIS, CHARLES S. 2 | LDT LADANYI, TAMAS 1 | MOW MORRISON, WARREN C. 382 | LAM LAM, DAVID 7 | MFK MULLIGAN, F. KIRBY 11 | LGH LANGE, HERBERT A. 6 | MHN MUNSTERMAN, H. 3 | LTW LANGHANS, THOMAS W. 14 | MUR MURN, PAUL 13 | LKG LARSON, KEVIN G. 61 | MUY MUYLLAERT, EDDY 7 | LAB LAURENT, BERGER 11 | MRZ MUZINICH, RICHARD 1 | LDR LAURENT, DIRK 3 | NGL NAGY, GERGELY 1 | LVA LAUVSTAD, ANDREAS 19 | NMS NALL, MARK S. 1 | LZT LAZUKA, THOMAS 1 | NRH NELSON, ROBERT 26 | LKD LEAKE, DAVID C. 9 | BAO NEMETH-BUHIN, AKOS 1 | LST LECOMTE, STEPHANE 14 | NIK NISHIMURA, KEN 10 | LTF LEIFSEN, TORBEN 1 | NBY NORDBY, JOHN M. 52 | LPI LEISY, PIERRE 5 | NVK NOVAK, MICHAEL 4 | LNS LENSS, IVARS 1 | OCN O'CONNOR, STEPHEN 1 | LNZ LENZ, GEORGE F. 8 | OME O'MEARA, STEPHAN J. 4 | LJL LEONARD, JOHN L. 1 | ONJ O'NEILL, JOHN G. 7 | LIM LIMA, ROY A. 1 | OF OBERSTATTER, ALPHONSE 18 | LNB LINDBLOOM, GEORGE 3 | OER OFEK, ERAN 56 | LI LIVINGSTON, DONALD 7 | OJR OSORIO, JOSE RIPERO 587 | LGV LOPATYNSKI, GARY 17 | OSV OSVALD, LASZLO 4 | LRD LORING, DANIEL P. 3 | OCR OTTEN, CHRETIEN 1 | LVT LOVETT, JAMES 22 | OTB OTTUM, BRIAN D. 5 | PAS PADILLA, STEPHEN 5 PGS PAGE, STANLEY 1 PCA PAP, CSABA 1 PPS PAPP, SANDOR 374 PMA PARKER, MARK 1 PSP PASTORE, PETER F. 1 PRN PATRICK, RAYMOND M. 34 PCE PEARCE, ERIC C. 2 PEI PEDERSEN, EIGIL 124 PEG PEGUET, CLAUDE 11 P PELTIER, LESLIE C. 842 PMR PERALA, MARTTI R. 311 PAE PEREIRA, ALFREDO J. 1 PRZ PEREZ, A. ARMANDO 5 PZA PEREZ-REVILLA, ALAIN 202 PGL PERRY, GLENN 4 PED PETTENGILL, DWYNAL 23 PTZ PIETZ, JOCHEN 127 PEY PIGGOTT, EDWARD J. 3 PBE PIOLON, BENGT 6 PTP POITEVIN, PATRICK 1 PLR POOLE, RANDALL M. 1 POA PORTER, ALAIN K. 1 PMI POTTER, MICHAEL 2 PWR POWASKI, RONALD 4 POX POXON, MICHAEL 100 PYG POYNER, GARY 153 PPR PRESITS, PETER 1 PFJ PRICE, FRANCIS J. 2 PRI PRICE, LELAND 4 PTF PTACEK, KIM E. 1 PUJ PUJOL, FRANCISCO 11 QTL QUESNELL, TOM 1 RAA RAASCH, RICHARD W. 6 RRB RAPHAEL, ROBERT B. 4 RVD RAVER, DOUG 3 RYK RAYMON, KEN 1 RNR RAYNOR, LYNN O. 13 RCJ RENNER, CARL J. 4 RNN RENNER, THOMAS 3 RQ RICKER, CHARLES L. 8 RIR RIETH, RALPH 11 RJI RIGGS, JOHN I. 78 RPR ROBBINS, PHILLIP 133 ROR RODGER, DAVID A. 2 RMU RODRIGUEZ MARCO, MIGUEL 72 RPD RODUTA, PETER G. 2 RJM ROEMMELT, JOHN C. 1 RSS ROESS, STEVEN T. 2 RB ROSEBRUGH, DAVID W. 1 ROG ROSS, GARY M. 2 RGL ROTEM, GILAD 6 RR ROYER, RONALD E. 12 RFN ROZSA, FERENC 2 SAB SABINE, KENNETH M. 25 SKM SAKARIAS, MICHAEL 13 SSU SAKUMA, SEI-ICHI 121 SZR SALADZIUS, ROGER 1 SAH SAMOLYK, GERARD 3 SNL SANDEL, JEFF G. 50 SPQ SAPI, CSABA 30 SGE SARTY, GORDON 10 SVT SAVILLE, THOMAS G. 2 SRW SCHAUPP, RICHARD W. 4 SPK SCHMEER, PATRICK 159 SPL SCHMITZ, PAUL F. 2 SV SCHMITZ, VICKI 19 SCY SCHROYENS, ANN 57 SDH SCHROYENS, DANIEL 7 SCZ SCHWEITZER, EMILE 339 SCE SCOVIL, CHARLES E. 354 SEZ SEGONZAT, JACQUES 9 SNP SERNAS, PAUL A. 1 SHS SHARPE, STEVEN B. 451 SSA SHARPLESS, ALBERT 36 SWY SHAW, TERRY L. 3 viii ----------------------------------------------------------------------------- PAGE ix CONTRIBUTORS TO AAVSO DATA ON RX ANDROMEDAE (continued) 1963 - 1995 SHQ SHEMMER, OHAD 64 | SKV SZARKA, LEVENTE 59 | SHB SHERROD, CLAY 40 | SZG SZEGEDI, BELA 2 | SJA SHORTEN, ANDREW J. 63 | SNO SZENTASKO, LASZLO 235 | SKL SIMMONS, KARL 3 | SZC SZENTMARTONI, BELA 2 | SNE SIMMONS, NEIL A. 80 | SKB SZOKE, BALAZS 3 | SWZ SIZENSKY, WILLIAM 2 | SOO SZOLLOSI, ATTILA 11 | SKP SKALAK, PETR 28 | SUZ SZUTOR, PETER 3 | SKT SKOTTEGARD, PETER 2 | SZY SZYBOWICZ, THEODORE 10 | SDN SLAUSON, DOUGLAS M. 4 | TB TABOADA R., DOMINGO 7 | SMI SMITH, ALAN L. 14 | TPI TASSIE, PIERRE 11 | SCW SMITH, C. W. 9 | TDB TAYLOR, DANIEL 98 | SMH SMITH, CHRIS J. 16 | TYR TAYLOR, MARYJANE 19 | SMD SMITH, DOUGLAS 1 | TAY TAYLOR, PETER O. 21 | SDU SMITH, DOUGLAS M. 11 | TBA TEKATCH, BARBARA 4 | STL SMITH, MICHAEL B. 78 | TOK TENKEI, OLGA 1 | SRV SMITH, REED V. 1 | TPS TEPLICZKY, ISTVAN 2 | SBV SOMOSVARI, BELA 1 | TAX THOMAS, AXEL 3 | SPO SPONGSVEEN, JUL 3 | TM THOMAS, HOWARD D. 8 | SC SPRATT, CHRISTOPHER 311 | TJ THOMAS, JAMES 95 | SSP STAMUS, PETER A. 3 | TMR THOMAS, RONALD P. 4 | STR STANTON, RICHARD H. 5 | THU THOUET, BERNARD 3 | STU STARUK, WALTER E. 1 | TMV THURRELL, MALIN V. 2 | SKS STECKNER, THOMAS 11 | TIA TIMAR, ANDRAS 3 | STI STEFFEY, PHILIP C. 204 | TRL TOGNI, ROBERT L. 1 | SGP STEGMANN, PAUL E. 1 | T9 TOMITA, KOICHIRO 7 | SPU STEPAN, PETR 19 | TOM TOONEN, M. 5 | SET STEPHAN, CHRISTOPHER 16 | TST TOOTHMAN, STEVEN A. 3 | SDJ STEVENS, DOUGLAS J. 1 | TTK TOTH, KRISZTIAN 5 | SWT STEWART, ROBERT J. 182 | TTH TOTH, TAMAS 1 | SR STEWART, ROBERT N. 11 | TSC TRACY, SCOTT 11 | STO STONE, P. MICHAEL 4 | TDM TROIANI, DANIEL M. 32 | SQA STROBBE, JAN 2 | TRR TROMMER, DIRK 7 | SUX SUAREZ, MAXIMO 13 | TSJ TSUJI, SEIJI 2 | SUL SULLIVAN, CHARLES 99 | VCP VAN CAUTEREN, PAUL 111 | SUR SURAWSKI, URSULA E. 32 | VER VAN DER ENDE, BARRY 24 | SVN SVENTEK, PAUL L. 253 | VDE VAN DIJK, E. 11 | SB SWANBERG, ROBERT F. 16 | VNL VAN LOO, F. R. 179 | SSW SWIERCZYNSKI, STANISLAW 24 | VWS VAN WASSENHOVE, JEROEN 2 | SDX SWORIN, DAVID J. 24 | VDL VANDERLOOY, JOHAN 9 | SBZ SZABO, BARTA 1 | VJD VANDEVOORDE, JONATHAN 1 | SGO SZABO, GYULA 1 | VDJ VANDIJK, J. F. H. 9 | SBT SZABO, ROBERT 58 | VHD VANHESSCHE, DIRK 7 | SXP SZAKAL, P. 1 | VMT VANMUNSTER, TONNY 75 | VED VEDRENNE, PAUL 475 VRG VENNE, ROGER 4 VET VERDENET, MICHEL 1424 VNZ VICIAN, ZOLTAN 15 VGP VIGNIER, PHILLIPE 9 VGJ VINCI, GREGORY J. 4 VIS VISOCKI, GARY 11 VJC VLASIC, JOHN C. 4 VOL VOLLMANN, WOLFGANG 49 VVI VOROSHAZI, VILLO 1 VYP VUYLSTEKE, PIETER 26 WAA WALKER, ALLAN R. 2 WAB WARNER, BRIAN D. 1 WNF WASSON, NORMAN F. 9 WRG WATSON III, ROBERT 44 WBB WEBB, WILLIAM V. 16 WEB WEBER, JAMES W. 1 WER WEBER, RICHARD J. 186 WCB WEBSTER, CHARLES 1 WEI WEIER, DAVID D. 205 WC WEND, RICHARD E. 2 WEM WESOLOWSKI, MIKE 24 WEJ WEST, E. JAMES W. 31 WDM WESTLUND, MARGARETA 179 WTK WIESZT, KRISTIEN 3 WI WILLIAMS, DAVID B. 7 WLM WILLIAMS, THOMAS R. 3 WJY WILMS, JOHNNY 13 WLP WILS, PATRICK 222 WDN WILSON, DANNY RAY 7 WSN WILSON, THOMAS W. 203 WNB WINGATE, BRUCE I. 64 WTN WITTEN, BLAKE C. 10 WMI WRIGHT, MICHAEL 7 YRK YORK, DAVID O. 528 YON YOUNG, ROBERT 2 ZZ ZAKANY, ZALAN 1 ZLT ZALEZSAK, TAMAS 12 ZPA ZELLER, PAUL A. 7 ZMM ZIMMERMAN, DENNIS 7 ZRE ZISSELL, RONALD E. 22 CONTRIBUTING ASTRONOMICAL ORGANIZATIONS Agrupacia Astronomica Albireo of Seville (Spain) Asociacion Argentina Amigos de la Astronomia Association Francaise des Observateurs d'Etoiles Variables (France) Astronomical Society of Southern Africa, Variable Star Section Astronomischer Jugendclub (Austria) Astronomisk Selskab (Scandinavia) British Astronomical Association, Variable Star Section (England) British Astronomical Association of New South Wales (Australia) Bundesdeutsche Arbeitsgemeinschaft fur Veranderliche Sterne e.V.(BAV)(Germany) Grupo Astronomico Silos (Zaragoza, Spain) Grupo Canario de Estrellas Variables (Canary Islands, Spain) Israeli Astronomical Association, Variable Star Section Madrid Astronomical Association M1 (Spain) Liga Ibero-Americana de Astronomia (South America) Magyar Csillagaszati Egyesulet, Valtozocsillag Szakcsoport (Hungary) Nederlandse Vereniging Voor Weer-en Sterrenkunde, Werkgroep Veranderlijke Sterren (Netherlands) Norsk Astronomisk Selskap, Variable Stjernegruppen (Norway) Planetario e Observatorio Astronomico do Colegio Estadual do Parana (Brazil) Red de Observatores de Estrellas Variables - MIRA (Spain) Royal Astronomical Society of Canada Royal Astronomical Society of New Zealand, Variable Star Section Sociedad Astronomica 'Syrma' (Valladolid, Spain) Svensk AmatorAstronomisk Forening, variabelsektionen (Sweden) Uniao Brasileira de Astronomia, Variable Star Commission (Brazil) Unione Astrofili Italiani (UAI) Variable Star Observers League in Japan Vereniging Voor Sterrenkunde, Werkgroep Veranderlijke Sterren (Belgium) ix ----------------------------------------------------------------------------- PAGE x INFORMATION ON RX ANDROMEDAE Right Ascension Declination Position: (1900) 00h 58m 57s +40o 45.8' (1950) 01 01 46 +41 01.9 (2000) 01 04 36 +41 18.0 Type: Cataclysmic variable - Z Camelopardalis-type dwarf nova, which shows standstills (halts in the normal decline about one-third of the way from maximum) that can last from weeks to years. Average Outburst Frequency: 5 - 20 days Orbital Period: 5.037 hours Spectrum (secondary): Pec(UG) Mass Ratio (primary/secondary): 2.4 +/- 0.7 Mass (primary): 1.14 +/- 0.33 Mo Mass(secondary): 0.48 +/- 0.03 Mo Orbital Inclination: 51 degrees +/- 9 degrees Other Information: x-ray source KEY TO SYMBOLS Symbols used in this monograph are: . = 1 visual observation v = variable is fainter than the magnitude indicated by the vertex of the "v" on the light curve (variable not seen) Please note that there may appear to be horizontal lines in some parts of the light curves. These "lines" are in fact very dense concentrations of individual observations. x ------------------------------------------------------------------------------ PAGE xi RX ANDROMEDAE LIGHT CURVES 1963 - 1995 ---------------------------------------------------------------------------- PAGES 1 - 5 Captions for long-term and one-day mean light curves Pages 1 - 4: AAVSO long-term light curve of 0058+40 RX Andromedae for JD 2438295 - 2450083 (September 1963 - December 1995). All observations are visual and are taken from the AAVSO International Database. Page 5: AAVSO long-term light curve of one-day means of 0058+40 RX Andromedae for JD 2438295 - 2450083 (September 1963 - December 1995). All observations are visual and are taken from the AAVSO International Database. -----------------------------------END OF FILE------------------------------