THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 http://www.aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0103+59 HT CAS 0939+52 ER UMA No. 910 0131+15 SN 2002AP 0945+34 RZ LMI February 6, 2002 0547-05 CN ORI 1953+77 AB DRA 0659-03 V838 MON ---------------------------------------------------------------------------- 0103+59 HT CASSIOPEIAE The dwarf nova type (SU UMA subclass) cataclysmic variable HT CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 04.7576 <15.6 RMQ FEB 06.0943 14.5 TDB FEB 05.0548 <15.6 TDB FEB 06.1090 14.0 CCDV PAH FEB 06.0917 13.8 TDB FEB 06.2450 13.6 LMK ---------------------------------------------------------------------------- 0131+15 SN 2002AP (UPDATE) SN 2002AP continues to slowly brighten (see News Flash No. 907) as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 31.7870 13.4 CCD MLF FEB 03.2666 12.5 LMK JAN 31.9027 13.0 RMQ FEB 03.7423 12.5 RMQ FEB 01.0646 13.3 CCDV VWA FEB 03.75 12.7 SUQ FEB 01.2916 13.3 LMK FEB 03.7599 12.4 HSB FEB 01.7708 13.1 KWO FEB 03.7639 12.7 KWO FEB 01.8771 12.8 RMQ FEB 03.8229 12.8 ONJ FEB 02.0550 12.9 CCDV WJD FEB 04.0200 12.5 BVE FEB 02.0630 13.02 CCDV VWA FEB 04.0569 12.6 BTB FEB 02.0693 12.9 BTB FEB 04.0578 12.8 CCDV WJD FEB 02.1672 13.3 CCD WJL FEB 04.7138 12.4 RMQ FEB 02.2277 13.0 LMK FEB 04.7639 12.7 KWO FEB 02.7138 12.7 RMQ FEB 05.0110 12.7 BVE FEB 02.7729 12.8 KWO FEB 05.0236 12.7 CCDV VWA FEB 02.7779 12.8 HSB FEB 05.0646 12.5 SXN FEB 02.8020 12.7 SUQ FEB 05.1370 12.47 CCDV COO FEB 02.8069 13.0 KHL FEB 05.1830 12.46 CCDV COO FEB 02.8069 12.8 KHL FEB 05.1929 12.66 CCD COO FEB 02.8472 12.9 LCR FEB 05.3125 12.6 LMK FEB 02.9892 12.9 CCDV RGY FEB 06.0570 12.64 CCDV VWA FEB 03.0701 12.7 SXN FEB 06.0805 12.65 CCDV GKA FEB 03.1389 12.63 CCDV COO FEB 06.2680 12.5 LMK FEB 03.1749 12.78 CCD COO ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 03.3144 <14.6 LMK FEB 06.1263 <14.0 TDB FEB 04.8028 14.4 RMQ FEB 06.3464 13.6 LMK FEB 05.1000 <13.8 CGF ---------------------------------------------------------------------------- 0659-03 V838 MONOCEROTIS (UPDATE) The peculiar variable V838 MON continues to slowly brighten (see News Flash No. 907) as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 01.8457 11.3 KWO FEB 04.0910 7.3 WI FEB 01.875 11.1 KHL FEB 04.1118 7.4 DLA FEB 01.875 11.1 KHL FEB 04.1631 7.2 SQC FEB 01.8917 11.1 RMQ FEB 04.1666 7.3 CSN FEB 02.0775 11.0 CCDV WJD FEB 04.1985 7.2 SRB FEB 02.1423 10.9 TDB FEB 04.2214 7.2 SRB FEB 02.2075 10.7 AAP FEB 04.2340 7.2 SRB FEB 02.2201 11.0 SXN FEB 04.2346 7.2 LMK FEB 02.5499 9.5: NLX FEB 04.2610 7.1 SRB FEB 02.8125 8.6 KHL FEB 04.2916 7.2 BJS FEB 02.8125 8.6 KHL FEB 04.5619 7.2 PEX FEB 02.8125 8.1 HHU FEB 04.7119 7.1 KIL FEB 02.8169 8.7 VOL FEB 04.7568 7.0 RMQ FEB 02.8472 8.9 RMQ FEB 04.7639 7.2 KHL FEB 02.8958 8.6 CAU FEB 04.7735 7.2 SSW FEB 02.8990 8.3 VOL FEB 04.7799 7.1 MLF FEB 02.9062 8.5 BXV FEB 04.7979 7.0 RMQ FEB 02.9131 8.3 BXV FEB 04.7985 7.3 KWO FEB 02.9194 8.6 RMQ FEB 04.8440 7.2 VOL FEB 02.9304 8.2 BXV FEB 04.8440 7.2 VOL FEB 02.9485 8.4 RMQ FEB 04.8473 7.2 KKR FEB 02.9541 8.1 CAU FEB 04.9026 7.2 BXV FEB 02.9561 8.2 SSW FEB 04.9082 7.2 LCR FEB 02.9575 8.4 CPS FEB 04.9512 7.2 BXV FEB 02.9917 8.3 RMQ FEB 04.9714 7.1 SSW FEB 02.9931 7.9 KMA FEB 04.9964 7.0 RMQ FEB 02.9950 7.3 AAX FEB 05.0104 7.3 WI FEB 03.0013 8.3 KWO FEB 05.0375 7.0 SET FEB 03.0104 8.1 SSW FEB 05.0380 7.1 SQH FEB 03.0153 7.9 AWJ FEB 05.0465 <7.0 TDB FEB 03.0235 8.0 RMQ FEB 05.0561 7.2 BEB FEB 03.0493 8.0 RMQ FEB 05.0611 7.2 MKJ FEB 03.0589 8.4 SXN FEB 05.0652 6.9 AAX FEB 03.0630 7.5 GAJ FEB 05.0854 6.9 AAX FEB 03.0819 6.9 TDB FEB 05.0951 7.2 BVE FEB 03.0825 8.0 RMQ FEB 05.1000 6.8 KRS FEB 03.1263 7.0 TDB FEB 05.1145 7.3 ZPA FEB 03.1285 8.0 SXN FEB 05.1150 7.0 KRS FEB 03.1381 7.7 BTB FEB 05.1280 7.0 KRS FEB 03.1660 8.0 SXN FEB 05.1291 7.3 CCDV VWA FEB 03.1804 8.1 MHI FEB 05.1367 7.3 SNE FEB 03.1875 7.4 AAX FEB 05.1549 6.6 KRS FEB 03.1888 7.8 SXN FEB 05.1694 7.2 CSN FEB 03.1916 7.7 CCDV MTT FEB 05.1699 6.7 KRS FEB 03.1924 7.7 BTB FEB 05.1809 6.8 KRS FEB 03.2118 7.3 AAX FEB 05.1965 7.2 BEB FEB 03.2138 7.5 SXN FEB 05.1992 6.8 BJQ FEB 03.2700 7.3 AAX FEB 05.2020 7.1 SNE FEB 03.5189 7.3 PEX FEB 05.2097 6.5 SGE FEB 03.5235 8.3 BRJ FEB 05.2305 7.2 CSN FEB 03.5469 7.3 PEX FEB 05.2458 7.1 SNE FEB 03.5940 7.3 PEX FEB 05.2555 6.8 SRB FEB 03.7374 7.4 SSW FEB 05.2604 6.9 LMK FEB 03.7472 7.4 RMQ FEB 05.2700 6.8 SRB FEB 03.7604 8.4 KHL FEB 05.5230 6.9 PEX FEB 03.7672 7.4 CAU FEB 05.7400 6.7 KIL FEB 03.7730 7.3 PEX FEB 05.75 6.7 MLF FEB 03.7806 7.3 KWO FEB 05.7541 6.9 SSW FEB 03.7965 7.3 RMQ FEB 05.7541 6.9 SSW FEB 03.8333 7.4 SUQ FEB 05.7812 6.9 BXA FEB 03.8360 7.3 RMQ FEB 05.8624 6.8 SSW FEB 03.8440 7.2 VOL FEB 05.875 6.5 KKR FEB 03.8440 7.2 VOL FEB 05.9583 7.0 SQH FEB 03.8580 7.3 VOL FEB 05.9610 6.8 SSW FEB 03.8610 7.4 RMQ FEB 06.0485 6.8: CSN FEB 03.8632 7.8 KHL FEB 06.0554 7.0 MKJ FEB 03.9042 7.3 RMQ FEB 06.1318 7.1 TDB FEB 03.9125 7.4 SSW FEB 06.1401 7.0 TQA FEB 03.9367 7.5 SSW FEB 06.1644 6.8 CSN FEB 03.9375 7.3 RMQ FEB 06.1680 6.9 SNE FEB 03.9644 7.2 ONJ FEB 06.25 6.7 BJS FEB 03.9777 7.1 AAX FEB 06.3125 6.7 BJS FEB 04.0208 7.1 AAX FEB 06.3333 6.7 BJS FEB 04.0277 7.4 BRJ FEB 06.3527 6.7 LMK FEB 04.0444 7.3 BVE FEB 06.4166 6.7 BJS FEB 04.0469 7.3 AAA FEB 06.4339 7.1: CR FEB 04.0556 7.0 AAX FEB 06.5210 6.8 PEX FEB 04.0726 7.50 CCDV WJD FEB 06.5619 6.7 PEX FEB 04.0778 6.9 TDB ---------------------------------------------------------------------------- 0939+52 ER URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable ER UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 03.4026 <15.5 LMK FEB 05.1617 <14.5 SXN FEB 04.7924 14.8 RMQ FEB 06.3714 13.2 LMK ---------------------------------------------------------------------------- 0945+34 RZ LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable RZ LMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 18.0839 16.2 PYG JAN 26.3396 <14.1 SXN JAN 22.3097 <14.1 SXN FEB 04.9923 14.3 RMQ JAN 25.3229 <14.1 SXN ---------------------------------------------------------------------------- 1953+77 AB DRACONIS The dwarf nova type (Z CAM subclass) cataclysmic variable AB DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 04.7729 14.4 RMQ FEB 05.9756 12.8 CGF FEB 05.0395 13.7 CGF ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAA - A. ALVES, BRAZIL LMK - M. LINNOLT, USA AAP - A. ABBOTT, CANADA MHI - H. MENALI, USA AAX - A. AMORIM, BRAZIL MKJ - J. MCKENNA, USA AWJ - W. AQUINO, USA MLF - I. MONARD, SOUTH AFRICA BEB - R. BERG, USA MTT - J. MATTEI, USA BJQ - J. BROOKS, USA NLX - P. NELSON, AUSTRALIA BJS - J. BEDIENT, USA ONJ - J. O'NEILL, IRELAND BRJ - J. BORTLE, USA PAH - A. PRICE, USA BTB - T. BRETL, USA PEX - A. PEARCE, AUSTRALIA BVE - E. VAN BALLEGOIJ, NETHERLANDS PYG - G. POYNER, ENGLAND BXA - A. BARANSKY, UKRAINE RGY - G. RUBRIGHT, USA BXV - X. BROS, SPAIN RMQ - M. RESZELSKI, POLAND CAU - A. CONU, ROMANIA SET - C. STEPHAN, USA CGF - G. CHAPLE JR., USA SGE - G. SARTY, CANADA COO - L. COOK, USA SNE - N. SIMMONS, USA CPS - P. CLOESEN, BELGIUM SQC - C. SUSLAVAGE, USA CR - T. CRAGG, AUSTRALIA SQH - R. SHIDA, BRAZIL CSN - S. COBERLY, USA SRB - R. STINE, USA DLA - A. DILL, USA SSW - S. SWIERCZYNSKI, POLAND GAJ - J. GARCIA, ARGENTINA SUQ - A. SUCKER, GERMANY GKA - K. GRAHAM, USA SXN - M. SIMONSEN, USA HHU - H. HAUTECLER, BELGIUM TDB - D. TAYLOR, CANADA HSB - W. HASUBICK, GERMANY TQA - A. TOLEA, USA KHL - M. KOHL, SWITZERLAND VOL - W. VOLLMANN, AUSTRIA KIL - L. KISS, HUNGARY VWA - A. VAN WERVEN, USA KKR - K. KLOSKOWSKI, POLAND WI - D. WILLIAMS, USA KMA - M. KOMOROUS, CANADA WJD - J. WEST, USA KRS - R. KOLMAN, USA WJL - J. WILLIAMS, USA KWO - W. KRIEBEL, GERMANY ZPA - P. ZELLER, USA LCR - C. LABORDENA, SPAIN Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Janet A. Mattei, Director Rebecca Pellock, Technical Assistant ____________________________________________________________________________ Symbols may include: < = fainter than magnitude given (variable not seen) : = uncertain CCDV = Charge-coupled device with (V) filter If you would like to contribute to AAVSO NEWS FLASH, please send observations of unusual variable star activity to: observations@aavso.org Those who wish to subscribe (free of charge) or unsubscribe to NEWS FLASH may do so by visiting the following web page: http://www.aavso.org If you would like data from the AAVSO International Database for research purposes, please send your request to: Janet Mattei, AAVSO Director, at aavso@aavso.org An archive of past issues of the News Flash is available at the following web page: http://www.aavso.org/newsflash/ We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________