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[vsnet-obs 4075] Var43 Her : new UGSU-type dwarf nova

Dear Colleagues,

Unfiltered time-series CCD photometry of Var43 Her (*) at the 
Center for Backyard Astrophysics Belgium (CBA Observatory), 
using a 25-cm f/6.3 SCT telescope and ST-7 CCD, on October 13/14,
1996 shows the existence of weak superhumps with a mean amplitude
of approx. 0.14 mag. This establishes Var43 Her as a new member of 
the UGSU-type dwarf novae. 

Determination of a superhump period value is extremely difficult due
to the short observing window (photometry of Var43 Her in Belgium
currently is restricted to approx. 1.5 hours). We therefore would 
like to request assistance from other observatories, so that 
multi-longitudinal coverage becomes possible.

The present outburst of Var43 Her was first announced by Ch. Scovil 
(VSNET message), and detected on Oct. 7, 1996. The object is now
fading and any attempts to study the superhumps should be made in
the next couple of nights.


Kind regards,
Tonny Vanmunster
CBA Belgium


(*) Var43 Her was discovered by Antipin (IBVS 4360) and is located
    at R.A. = 16h25m01s.7, Decl = +39d09'26" (J2000.0). Magnitude
    range is 12.5 - 17.5p.