예제 #1
0
def main():
    """Produce some plots
    """
    # If all_mdp = True, produces: 
    # 1) the plot of the MDP for all the Swift GRBs 
    #    and a given repointing time
    # 2) the plot of the correlation between MDP for all the Swift 
    #    GRBs and a given repointing time and the integral prompt 
    #    (first 10 min) flux
    all_mdp = True
    if all_mdp == True:
        grb_list = get_all_swift_grb_names()
        t_rep = 21600
        t_obs = 100000
        promt_time = 600
        mdp_list1,mdp_list2, flux_list, t0_list = [], [], [], []
        c, good_grb = [], []
        for grb in grb_list:
            mdp = get_grb_mdp(grb,repointing=t_rep,obs_time=t_obs)
            flux, t0 = get_integral_flux(grb,delta_t=promt_time)
            if mdp is not None and flux is not None:
                mdp_list1.append(mdp*100)
                if t0 < 350:
                    if mdp*100 <= 15:
                        c.append('red')
                    else:
                        c.append('blue')
                    mdp_list2.append(mdp*100)
                    flux_list.append(flux)
                    t0_list.append(t0)
                else:
                    continue
        _mdp1 = numpy.array(mdp_list1)
        _mdp2 = numpy.array(mdp_list2)
        _flux = numpy.array(flux_list)
        _t0 = numpy.array(t0_list)
        # 1)------------------------------------------------------
        histo = plt.figure(figsize=(10, 6), dpi=80)
        bins = numpy.linspace(0, 100, 100)
        plt.title('%i GRBs, $\Delta t_{obs}=%i s,$ $t_{repoint}=%i s$'\
                  %(len(_mdp1),t_obs,t_rep))
        plt.hist(_mdp1, bins, alpha=0.5)
        plt.xlabel('2.-10. keV MDP (%)')
        plt.ylabel('Number of GRBs')
        overlay_tag()
        save_current_figure('all_grbs_MDP_histo', clear=False)
        plt.show()
        # 1.1)----------------------------------------------------
        histo = plt.figure(figsize=(10, 6), dpi=80)
        bins = numpy.linspace(0, 100, 100)
        plt.title('%i GRBs, $\Delta t_{obs}=%i s,$ $t_{repoint}=%i s$'\
                  %(len(_mdp1),t_obs,t_rep))
        (n, bins, patches) = plt.hist(_mdp1, bins, histtype='step', cumulative=True)
        plt.xlabel('2.-10. keV MDP (%)')
        plt.ylabel('Cumulative number of GRBs')
        for i in range(0,len(bins)):
            print 'MDP %.2f%%: %i GRBs'%(i,n[i])
        overlay_tag()
        save_current_figure('all_grbs_MDP_cumulative', clear=False)
        plt.show()
        # 2)------------------------------------------------------
        plt.figure(figsize=(10, 6), dpi=80)
        ax = plt.gca()
        plt.scatter(_mdp2, _flux, s=30, marker='.', color=c)
        plt.xlabel('2.-10. keV MDP (%)')
        plt.ylabel('[keV$^{-1}$ cm$^{-2}$]')
        plt.title('$\Delta t_{obs}=%i s,$ $t_{repoint}=%i s$'%(t_obs,t_rep))
        plt.xlim(1, 100)
        ax.set_yscale('log')
        ax.set_xscale('log')
        overlay_tag()
        save_current_figure('grb_MDP_prompt',clear=False)
        plt.show()
    
    # If mdp_vs_time = True Produces: 
    # 1) the plot of the MDP for a given GRB 
    #    as a function of the repointing time
    # 2) the plot of the MDP for a given GRB 
    #    as a function of the observation duration
    mdp_vs_time = False
    color_list = []
    if mdp_vs_time == True:
        grb_list = ['GRB 060729', 'GRB 080411', 'GRB 091127', 'GRB 111209A',\
                    'GRB 120711A', 'GRB 130427A', 'GRB 130505A', 'GRB 130907A',\
                    'GRB 150403A']
        #1)------------------------------------------------------
        plt.figure(figsize=(10, 6), dpi=80)
        ax = plt.gca()
        for grb in grb_list:
            c = [random.uniform(0,1),random.uniform(0,1),random.uniform(0,1)]
            color_list.append(c)
            repointing_time = numpy.logspace(2,4.8,30)
            plot_grb_mdp_vs_repoint(grb,repointing_time,show=False,color=c)
        ax.legend(loc='upper left', shadow=False, fontsize='small')
        plt.plot([21600, 21600], [0, 30], 'k--', lw=1, color='green')
        plt.plot([43200, 43200], [0, 30], 'k--', lw=1,color='green')
        ax.set_yscale('log')
        ax.set_xscale('log')
        overlay_tag()
        save_current_figure('grb_MDP_vs_repoint',clear=False)
        plt.show()
        #2)------------------------------------------------------
        plt.figure(figsize=(10, 6), dpi=80)
        ax = plt.gca()
        for i,grb in enumerate(grb_list):
            obs_time = numpy.logspace(3,5,30)
            plot_grb_mdp_vs_obstime(grb,obs_time,show=False,color=color_list[i])
        ax.legend(loc='upper right', shadow=False, fontsize='small')
        plt.plot([50000, 50000], [0, 50], 'k--', lw=1, color='green')
        ax.set_yscale('log')
        ax.set_xscale('log')
        overlay_tag(x=0.5)
        save_current_figure('grb_MDP_vs_obstime',clear=False)
        plt.show()
예제 #2
0
def main():
    """Produce some plots
    """
    # If process_grb_mdp = True, produces a fits file with all the 
    # main infos on each grb
    if process_grb_mdp == True:
        data = process_grb_list(duration=50000.)
        build_grb_fits_file(data,OUTFILE)
    
    # 1) the plot of the MDP for all the Swift GRBs
    #    and a given repointing time
    # 2) the cumulative of the previous histogram
    # 3) the plot of the correlation between MDP for all the Swift
    #    GRBs and a given repointing time and the integral prompt
    #    (first 10 min) flux

    # 1)------------------------------------------------------
    plt.figure(figsize=(10, 6), dpi=80)
    bins = numpy.linspace(0, 100, 100)
    hdulist = fits.open(OUTFILE)
    grbdata = hdulist[1].data
    _mdp = grbdata['MDP 99%']
    t_obs = '50000'
    t_rep = '21600'
    plt.title('%i GRBs, $\Delta t_{obs}=%s s,$ $t_{repoint}=%s s$'\
              %(len(_mdp),t_obs,t_rep))
    plt.hist(_mdp*100, bins, alpha=0.5)
    plt.xlabel('2.-10. keV MDP (%)')
    plt.ylabel('Number of GRBs')
    overlay_tag()
    save_current_figure('all_grbs_MDP_histo', clear=False)

    # 2)----------------------------------------------------
    plt.figure(figsize=(10, 6), dpi=80)
    plt.title('%i GRBs, $\Delta t_{obs}=%s s,$ $t_{repoint}=%s s$'\
              %(len(_mdp),t_obs,t_rep))
    (n, bins, patches) = plt.hist(_mdp*100, bins, histtype='step', \
                                  cumulative=True)
    plt.xlabel('2.-10. keV MDP (%)')
    plt.ylabel('Cumulative number of GRBs')
    for i in range(0,30):
        print 'MDP %.2f%%: %i GRBs'%(i,n[i])
    overlay_tag()
    save_current_figure('all_grbs_MDP_cumulative', clear=False)

    # 3)------------------------------------------------------
    plt.figure(figsize=(10, 6), dpi=80)
    ax = plt.gca()
    _prompt_tstart = grbdata['PROMPT_START']
    _flux = grbdata['PROMPT_FLUX']
    _good_indexes = numpy.where(_prompt_tstart>350)
    _flux = numpy.delete(_flux,_good_indexes)
    _mdp = numpy.delete(_mdp,_good_indexes)
    plt.scatter(_mdp*100, _flux, s=30, marker='.', color='blue')
    plt.xlabel('2.-10. keV MDP (%)')
    plt.ylabel('[erg $\cdot$ cm$^{-2}$]')
    plt.title('%i GRBs, $\Delta t_{obs}=%s s,$ $t_{repoint}=%s s$'%(len(_flux),\
                                                                    t_obs,t_rep))
    plt.xlim(1, 100)
    plt.ylim(1e-9,1e-4)
    plt.plot([20, 20], [1e-9,1e-4], 'k--', lw=1, color='green')
    ax.set_yscale('log')
    ax.set_xscale('log')
    overlay_tag()
    save_current_figure('grb_MDP_prompt',clear=False)
    plt.show()



    # If mdp_vs_time = True Produces:
    # 1) the plot of the MDP for a given GRB
    #    as a function of the repointing time
    # 2) the plot of the MDP for a given GRB
    #    as a function of the observation duration
    color_list = ['red','salmon','goldenrod','darkgreen','limegreen',\
                  'royalblue','mediumpurple','darkviolet','deeppink']\
                  #'yellow','darkcyan'] 
    if mdp_vs_time == True:
        grb_list = ['GRB 060729', 'GRB 080411', 'GRB 091127', 'GRB 111209A',\
                    'GRB 120711A', 'GRB 130427A', 'GRB 130505A', 'GRB 130907A',\
                    'GRB 150403A']

        #1)------------------------------------------------------
        plt.figure(figsize=(10, 6), dpi=80)
        ax = plt.gca()
        for i,grb in enumerate(grb_list):
            repointing_time = numpy.logspace(2,4.8,20)
            plot_grb_mdp_vs_repoint(grb,repointing_time,show=False,\
                                    color=color_list[i])
        ax.legend(loc='upper left', shadow=False, fontsize='small')
        #plt.ylim(0,100)
        plt.plot([21600, 21600], [0, 100], 'k--', lw=1, color='green')
        plt.plot([43200, 43200], [0, 100], 'k--', lw=1,color='green')
        ax.set_yscale('log')
        ax.set_xscale('log')
        overlay_tag()
        save_current_figure('grb_MDP_vs_repoint',clear=False)

        #2)------------------------------------------------------
        plt.figure(figsize=(10, 6), dpi=80)
        ax = plt.gca()
        for i,grb in enumerate(grb_list):
            obs_time = numpy.logspace(3,5,30)
            plot_grb_mdp_vs_obstime(grb,obs_time,show=False,color=color_list[i])
        ax.legend(loc='upper right', shadow=False, fontsize='small')
        ax.set_yscale('log')
        ax.set_xscale('log')
        overlay_tag(x=0.5)
        save_current_figure('grb_MDP_vs_obstime',clear=False)
        plt.show()