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CAL 86 outburst As reported by Rod Stubbings in [vsnet-alert 7645], the cataclysmic variable CAL 86 (the X-ray source in the direction of the LMC) is in outburst. Th object is located at 05h 46m 15s.26, -68o 35' 24".1 (J2000.0). The quiescent magnitude is V=19.0, and the past recorded outburst was around V=14. The current brightness surpasses the recorded outburst! The following message is from [vsnet-campaign-dn 2561] (2002 June). === CAL 86: new likely SU UMa-type dwarf nova in the direction of the LMC According to Schmidtke et al. (AJ 123, 3210), the X-ray source CAL 86 in the direction of the LMC is confirmed to be a short-period cataclysmic variable with a short period (0.0660 d). The object reaches mag 14 at maximum (amplitude 5 mag). The light curve presented is typical of an SU UMa-type superoutburst. Please monitor this object, and make time-series photometry when a new outburs is detected! 05 46 18.2 -68 35 37 (J2000.0) === The amplitude of the present outburst (6.8 mag) should qualify it a genuine superoutburst! Please observe the outburst as intesively as possible to follow the evolution of the superhumps! We would be also happy to receive selected CCD images (in FITS format) to provide a guide for locating the object. Recent observations: YYYYMMDD(UT) mag observer 20030207.723 <140 (Rod Stubbings) 20030208.510 <144 (Rod Stubbings) 20030210.517 <144 (Rod Stubbings) 20030211.599 <144 (Rod Stubbings) 20030213.478 <140 (Rod Stubbings) 20030219.444 <144 (Rod Stubbings) 20030223.454 132 (Rod Stubbings) 20030223.497 132 (Rod Stubbings) 20030223.548 132 (Rod Stubbings) Regards, Taichi Kato VSNET Collaboration team
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