Integral SPI_ACS Data (gdt.missions.integral.spi.spi_acs)

The INTEGRAL SPI-ACS lightcurve can be downloaded from INTEGRAL website MMODA or using INTEGRAL OSA software. In MMODA, users can provide the source information to download the desired lightcurve. Here, for example we have choosen GRB 230307A between time interval UT 2023-03-07 15:41:11.000 to UT 2023-03-07 15:50:11.000.

It will download the lightcurve “spiacs_lc_query-3.fits”

Let’s open a lightcurve file:

>>> from gdt.missions.integral.spi.spi_acs import Spi_acs
>>> from gdt.core import data_path
>>> filepath = data_path.joinpath('integral/spiacs_lc_query-3.1.fits')

>>> acs = Spi_acs.open(filepath)
>>> type(acs)
    <spi_acs(filename="spiacs_lc_query-3.fits") at 0x16923c170>

We can plot the lightcurve:

>>> import matplotlib.pyplot as plt
>>> from gdt.core.plot.lightcurve import Lightcurve
>>> lcplot = Lightcurve(acs.to_lightcurve(), interactive=True)
>>> plt.show()

The data and the headder information can also be accessed

>>> acs.mjdref #Reference MJD
    51544.0

>>> acs.obsdate
'2023-03-07 15:41:11.005'

>>> acs.obsdateend
'2023-03-07 15:50:11.005'

>>> acs.rates
array([90360.        , 91586.66666667, 90620.        , ...,
       89660.        , 91300.        , 90860.        ], dtype='>f8')

>>> acs.time
array([-269.95016806, -269.82516779, -269.70016784, ...,  269.75016788,
        269.85016828,  269.95016774], dtype='>f8')

For more details about working with the data, see See The Binning Package and Plotting Lightcurves,

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gdt.missions.integral.spi.spi_acs Module

Classes

Spi_acs()

Class for Spi-ACS lightcurve.

Class Inheritance Diagram