vsnet-campaign-dn August 2024

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[vsnet-campaign-dn 17485] TCP J19470832-0924198: new SU UMa-type dwarf nova
by tonny.vanmunster＠gmail.com 17 Aug '24

17 Aug '24

Dear colleagues, I have just finished analysing my unfiltered CCD observations of TCP J19470832-0924198, obtained on 2024, Aug 13/14 at CBA Extremadura Observatory using a 0.40-m f/5.1 telescope and SX-46 CCD camera under clear skies. The resulting light curve clearly shows the presence of superhumps with an amplitude of 0.30 mag, establishing TCP J19470832-0924198 as a new SU UMa-type dwarf nova. A period analysis, using the ANOVA, Lomb-Scargle, Generalized-Lomb-Scargle and PDM methods (Peranso 3.0) yields a combined superhump period of 0.0565 +/- 0.0012d. The object was at mag CV = 15.0 on Aug 13th. Image calibration and photometry were done using my new photometry software Phoranso 1.0.4.6 I will send my observations to AAVSO, CBA and VSNET for further analysis. Best regards Tonny --- Tonny Vanmunster CBA Belgium Observatory CBA Extremadura Observatory http://www.cbabelgium.co <http://www.cbabelgium.com/> m PERANSO : The Light Curve and Period Analysis Software http://www.peranso.co <http://www.peranso.com/> m PHORANSO: Photometric Reduction and Analysis Software *** NEW *** http://www.phoranso.com <http://www.phoranso.com/>

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by rpvmedtxqm 07 Aug '24

07 Aug '24

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