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:0659-03 V838 Mon (Var Mon 02) No. 907 0131+15 SN 2002ap February 3, 2002 ---------------------------------------------------------------------------- 0659-03 V838 MON (VAR MON 02) This peculiar variable has increased in brightness significantly, by more than 3.5 magnitudes, since February 1, 2002, reaching magnitude 7.4 by Feb. 03.8 UT. Observers are strongly urged to monitor it closely, at every 15-minute intervals, for as long as possible. CCD and Photoelectric Photometrists are urged to use as many filters as possible, besides V. A B scale AAVSO chart has been posted on the AAVSO website at URL: http://www.aavso.org/charts/catalog/MON/V838_MON A light curve of this variable with observations in the AAVSO Quick Look File has also been posted on the V838 Mon webpage at URL: http://www.aavso.org/var_mon_02.stm Please use 0659-03 V838 MON when reporting all future observations of this object to AAVSO Headquarters. __________________________________________________________________________ 0131+15 SN 2002ap This supernova, announced in News Flash 904 and updated in News Flash 906, continues to brighten. It reached magnitude 12.5 by Feb. 03.7 UT. Please continue to keep a close eye on this very interesting object. ---------------------------------------------------------------------------- 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 ____________________________________________________________________________