Esempio n. 1
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    def plot_even_odd_lc(self, ax=None, nbin=None):
        nbin = nbin or self.nbin
        res  = rarr(self.result)
        period, zero_epoch, duration = res.trf_period, res.trf_zero_epoch, res.trf_duration
        if duration >= (0.25/24.):
            hdur = array([-0.5,0.5]) * duration
        else:
            hdur = array([-1.,1.])
            duration = 0.5

        for time,flux_o in ((self.time_even,self.flux_even),
                            (self.time_odd,self.flux_odd)):

            phase = fold(time, period, zero_epoch, shift=0.5, normalize=False) - 0.5*period
            flux_m = self.transit_model(self._pv_trf, time)
            bpd,bfd,bed = uf.bin(phase, flux_o, nbin)
            bpm,bfm,bem = uf.bin(phase, flux_m, nbin)
            pmask = abs(bpd) < 1.5*duration
            omask = pmask & isfinite(bfd)
            mmask = pmask & isfinite(bfm)
            ax[0].plot(bpd[omask], bfd[omask], marker='o')
            ax[1].plot(bpm[mmask], bfm[mmask], marker='o')

        [a.axvline(0, alpha=0.25, ls='--', lw=1) for a in ax]
        [[a.axvline(hd, alpha=0.25, ls='-', lw=1) for hd in hdur] for a in ax]
        setp(ax,xlim=3*hdur, xlabel='Phase [d]', ylim=(0.9998*nanmin(bfd[pmask]), 1.0002*nanmax(bfd[pmask])))
        setp(ax[0], ylabel='Normalised flux')
        setp(ax[1].get_yticklabels(), visible=False)
Esempio n. 2
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    def plot_even_odd_lc(self, ax=None, nbin=None):
        nbin = nbin or self.nbin
        res = rarr(self.result)
        period, zero_epoch, duration = res.trf_period, res.trf_zero_epoch, res.trf_duration
        hdur = array([-0.5, 0.5]) * duration

        for time, flux_o in ((self.time_even, self.flux_even),
                             (self.time_odd, self.flux_odd)):

            phase = fold(time, period, zero_epoch, shift=0.5,
                         normalize=False) - 0.5 * period
            flux_m = self.transit_model(self._pv_trf, time)
            bpd, bfd, bed = uf.bin(phase, flux_o, nbin)
            bpm, bfm, bem = uf.bin(phase, flux_m, nbin)
            pmask = abs(bpd) < 1.5 * duration
            omask = pmask & isfinite(bfd)
            mmask = pmask & isfinite(bfm)
            ax[0].plot(bpd[omask], bfd[omask], marker='o')
            ax[1].plot(bpm[mmask], bfm[mmask], marker='o')

        [a.axvline(0, alpha=0.25, ls='--', lw=1) for a in ax]
        [[a.axvline(hd, alpha=0.25, ls='-', lw=1) for hd in hdur] for a in ax]
        setp(ax,
             xlim=3 * hdur,
             xlabel='Phase [d]',
             ylim=(0.9998 * nanmin(bfd[pmask]), 1.0002 * nanmax(bfd[pmask])))
        setp(ax[0], ylabel='Normalised flux')
        setp(ax[1].get_yticklabels(), visible=False)
Esempio n. 3
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    def plot_lc(self, ax=None, nbin=None):
        nbin = nbin or self.nbin
        r = rarr(self.result)
        period, t0, trdur = self._rbls['bls_period'], self._rbls[
            'bls_zero_epoch'], self._rbls[
                'bls_duration']  #r.trf_period, r.trf_zero_epoch, r.trf_duration
        phase = period * (fold(self.time, period, t0, shift=0.5) - 0.5)

        bp, bfo, beo = uf.bin(phase, self.flux, nbin)
        bp, bfm, bem = uf.bin(phase, self.transit_model(self._pv_trf), nbin)
        mo, mm = isfinite(bfo), isfinite(bfm)
        ax.plot(bp[mo], bfo[mo], '.')
        ax.plot(bp[mm], bfm[mm], 'k--', drawstyle='steps-mid')
        if self._rvar:
            flux_s = self.sine_model([self._rvar['sine_amplitude']],
                                     2 * period, t0)
            bp, bf, be = uf.bin(phase, flux_s, nbin)
            ax.plot(bp, bf, 'k:', drawstyle='steps-mid')

        setp(ax,
             xlim=bp[[0, -1]],
             xlabel='Phase [d]',
             ylabel='Normalised flux')
        setp(ax.get_yticklabels(), visible=False)
        ax.get_yaxis().get_major_formatter().set_useOffset(False)
Esempio n. 4
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    def plot_fit_and_eo(self, ax=None, nbin=None):
        nbin = nbin or self.nbin
        res  = rarr(self.result)
        period, zero_epoch, duration = res.trf_period, res.trf_zero_epoch, res.trf_duration
        if duration >= (0.25/24.):
            hdur = 24*duration*array([-0.5,0.5])
        else:
            hdur = 24*array([-0.25,0.25])
            duration = 0.5

        self.plot_transit_fit(ax[0])

        for time,flux_o in ((self.time_even,self.flux_even),
                            (self.time_odd,self.flux_odd)):

            phase = 24*(fold(time, period, zero_epoch, shift=0.5, normalize=False) - 0.5*period)
            bpd,bfd,bed = uf.bin(phase, flux_o, nbin)
            pmask = abs(bpd) < 2*24*duration
            omask = pmask & isfinite(bfd)
            ax[1].plot(bpd[omask], bfd[omask], marker='o', ms=2)

        [a.axvline(0, alpha=0.25, ls='--', lw=1) for a in ax]
        [[a.axvline(24*hd, alpha=0.25, ls='-', lw=1) for hd in hdur] for a in ax]
        setp(ax[1],xlim=3*hdur, xlabel='Phase [h]')
        setp(ax[1].get_yticklabels(), visible=False)
        ax[1].get_yaxis().get_major_formatter().set_useOffset(False)
Esempio n. 5
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    def plot_fit_and_eo(self, ax=None, nbin=None):
        nbin = nbin or self.nbin
        res = rarr(self.result)
        period, zero_epoch, duration = res.trf_period, res.trf_zero_epoch, res.trf_duration
        hdur = 24 * duration * array([-0.5, 0.5])

        self.plot_transit_fit(ax[0])

        for time, flux_o in ((self.time_even, self.flux_even),
                             (self.time_odd, self.flux_odd)):

            phase = 24 * (
                fold(time, period, zero_epoch, shift=0.5, normalize=False) -
                0.5 * period)
            bpd, bfd, bed = uf.bin(phase, flux_o, nbin)
            pmask = abs(bpd) < 2 * 24 * duration
            omask = pmask & isfinite(bfd)
            ax[1].plot(bpd[omask], bfd[omask], marker='o', ms=2)

        [a.axvline(0, alpha=0.25, ls='--', lw=1) for a in ax]
        [[a.axvline(24 * hd, alpha=0.25, ls='-', lw=1) for hd in hdur]
         for a in ax]
        setp(ax[1], xlim=3 * hdur, xlabel='Phase [h]')
        setp(ax[1].get_yticklabels(), visible=False)
        ax[1].get_yaxis().get_major_formatter().set_useOffset(False)
Esempio n. 6
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    def plot_lc(self, ax=None, nbin=None):
        nbin = nbin or self.nbin        
        r = rarr(self.result)
        period, t0, trdur = self._rbls['bls_period'], self._rbls['bls_zero_epoch'], self._rbls['bls_duration'] #r.trf_period, r.trf_zero_epoch, r.trf_duration
        phase = period*(fold(self.time, period, t0, shift=0.5) - 0.5)

        bp,bfo,beo = uf.bin(phase, self.flux, nbin)
        bp,bfm,bem = uf.bin(phase, self.transit_model(self._pv_trf), nbin)
        mo,mm = isfinite(bfo), isfinite(bfm)
        ax.plot(bp[mo], bfo[mo], '.')
        ax.plot(bp[mm], bfm[mm], 'k--', drawstyle='steps-mid')
        if self._rvar:
            flux_s = self.sine_model([self._rvar['sine_amplitude']], 2*period, t0)
            bp,bf,be = uf.bin(phase, flux_s, nbin)
            ax.plot(bp, bf, 'k:', drawstyle='steps-mid')
            
        setp(ax,xlim=bp[[0,-1]], xlabel='Phase [d]', ylabel='Normalised flux')
        setp(ax.get_yticklabels(), visible=False)
        ax.get_yaxis().get_major_formatter().set_useOffset(False)