Example #1
0
def test_ogip_rebinner():
    with within_directory(__example_dir):
        ogip = OGIPLike("test_ogip", observation="test.pha{1}")

        n_data_points = 128
        ogip.set_active_measurements("all")

        assert ogip.n_data_points == n_data_points

        ogip.rebin_on_background(min_number_of_counts=100)

        assert ogip.n_data_points < 128

        with pytest.raises(AssertionError):
            ogip.set_active_measurements("all")

        ogip.remove_rebinning()

        assert ogip._rebinner is None

        assert ogip.n_data_points == n_data_points

        ogip.view_count_spectrum()
Example #2
0
def test_swift_gbm():
    with within_directory(__example_dir):
        gbm_dir = "gbm"
        bat_dir = "bat"

        bat = OGIPLike(
            "BAT",
            observation=os.path.join(bat_dir, "gbm_bat_joint_BAT.pha"),
            response=os.path.join(bat_dir, "gbm_bat_joint_BAT.rsp"),
        )

        bat.set_active_measurements("15-150")
        bat.view_count_spectrum()

        nai6 = OGIPLike(
            "n6",
            os.path.join(gbm_dir, "gbm_bat_joint_NAI_06.pha"),
            os.path.join(gbm_dir, "gbm_bat_joint_NAI_06.bak"),
            os.path.join(gbm_dir, "gbm_bat_joint_NAI_06.rsp"),
            spectrum_number=1,
        )

        nai6.set_active_measurements("8-900")
        nai6.view_count_spectrum()

        bgo0 = OGIPLike(
            "b0",
            os.path.join(gbm_dir, "gbm_bat_joint_BGO_00.pha"),
            os.path.join(gbm_dir, "gbm_bat_joint_BGO_00.bak"),
            os.path.join(gbm_dir, "gbm_bat_joint_BGO_00.rsp"),
            spectrum_number=1,
        )

        bgo0.set_active_measurements("250-10000")
        bgo0.view_count_spectrum()

        bat.use_effective_area_correction(0.2, 1.5)
        bat.fix_effective_area_correction(0.6)
        bat.use_effective_area_correction(0.2, 1.5)

        band = Band()
        model = Model(PointSource("joint_fit", 0, 0, spectral_shape=band))

        band.K = 0.04
        band.xp = 300.0

        data_list = DataList(bat, nai6, bgo0)

        jl = JointLikelihood(model, data_list)

        _ = jl.fit()

        _ = display_spectrum_model_counts(jl, step=False)
Example #3
0
def test_swift_gbm():
    with within_directory(__example_dir):
        gbm_dir = "gbm"
        bat_dir = "bat"

        bat = OGIPLike('BAT',
                       observation=os.path.join(bat_dir,
                                                'gbm_bat_joint_BAT.pha'),
                       response=os.path.join(bat_dir, 'gbm_bat_joint_BAT.rsp'))

        bat.set_active_measurements('15-150')
        bat.view_count_spectrum()

        nai6 = OGIPLike('n6',
                        os.path.join(gbm_dir, 'gbm_bat_joint_NAI_06.pha'),
                        os.path.join(gbm_dir, 'gbm_bat_joint_NAI_06.bak'),
                        os.path.join(gbm_dir, 'gbm_bat_joint_NAI_06.rsp'),
                        spectrum_number=1)

        nai6.set_active_measurements('8-900')
        nai6.view_count_spectrum()

        bgo0 = OGIPLike('b0',
                        os.path.join(gbm_dir, 'gbm_bat_joint_BGO_00.pha'),
                        os.path.join(gbm_dir, 'gbm_bat_joint_BGO_00.bak'),
                        os.path.join(gbm_dir, 'gbm_bat_joint_BGO_00.rsp'),
                        spectrum_number=1)

        bgo0.set_active_measurements('250-10000')
        bgo0.view_count_spectrum()

        bat.use_effective_area_correction(.2, 1.5)
        bat.fix_effective_area_correction(.6)
        bat.use_effective_area_correction(.2, 1.5)

        band = Band()
        model = Model(PointSource('joint_fit', 0, 0, spectral_shape=band))

        band.K = .04
        band.xp = 300.

        data_list = DataList(bat, nai6, bgo0)

        jl = JointLikelihood(model, data_list)

        _ = jl.fit()

        _ = display_spectrum_model_counts(jl, step=False)