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0041 | UX Tri: Period Change Discovered and Unchanged Strong Blazhko Effect Confirmed 416 kB | Herbert Achterberg, Dieter Husar | | 2006-07-13 | | New CCD observations of the RRab star UX Tri after JD = 2452234 show a change of the main pulsation period. The period is now P = 0.4669046 ± 0.0000006 [d]. The change is ΔP = - 1.72 x 10-5 [d] if compared with the value we previously published [1]. A strong Blazhko effect with unchanged Blazhko period PB = 43.7 ± 0.1 [d] is confirmed by this paper. Light curve particularities around Blazhko phase ΦB = 0.0 are discussed in detail. In one observation (JD 2453617) related to Blazhko phase ΦB = 0.12 an exceptionally pronounced "bump" of Δm > -0.1 magnitudes was observed at pulsation phase φ = 0.71. Simbad object(s): UX Tri, | comments: 0 |
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