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Estimate SN bolometric light curves

Project description

Generate bolometric estimates of Supernovae

Author: Ian Thornton

Install with pip:

pip install extrabol


extrabol 'filename.dat' ARGUMENTS

Optional Arguments:

    Increase output verbosity

-m MEAN, --mean MEAN
    Use a supernova template as the mean function for the GP; Choose \'1a\',\'1bc\', \'2l\', \'2p\', or \'0\' (for no template)
    Default = 0

-t, --show-template
    Shows supernova template on plots as dotted lines

-d DIST, --dist DIST
    Object luminosity distance in Mpc

-z REDSHIFT, --redshift REDSHIFT
    Object redshift
    If no argument is provided, redshift will be read from the input file

--dm DM
    Object distance modulus

--plot BOOL
    Output plots, Default is TRUE

--outdir OUTDIR
    A file location for outputs to be written to

--ebv EBV
    Milky Way extinction E(B-V) value, if known
    If no argument is probided the extinction will be read from the input file

--hostebv HOSTEBV
    Host extinction E(B-V)

-s START, --start START
    Start time of analysis window relative to peak luminosity
    Default = -50 days

-e END, --end END
    End time of analysis window relative to peak luminosity
    Default = 150 days

-snr SNR
    Minimum signal to noise ratio for observations
    Default = 4.0

-wc, --wvcorr
    Use the redshift-corrected wavelength values for extinction calculations

-mc, --use-mcmc
    Use a Markov Chain Monte Carlo to fit black bodies instead of curve_fit.
    This provides better error estimates but takes much longer.

--T_max T_MAX
    Modify the prior on temperature for blackbody fits by specifying a maximum temperature.
    Default = 40,000K

Input Files

Inputs to extrabol must be .dat files that conform to the following format.

The first two lines must contain redshift and Milky Way extinction E(b-v) respectively. If these values are unknown, simply put 0.0. The following lines contain observational data in 5 columns as shown below:

Time(MJD)   Apparent Magnitude   Error(in magnitudes)   Filter SVO ID   Type of magnitude (AB or Vega)

Any white space can be used as the column delimiter. NaNs, non-detections, and data points with no error bars should not be included. An example input file can be found under extrabol/example.

Example Input

extrabol ./example/PSc000174_extrabol.dat --verbose -m 1a

This example may take a minute the first time you run it as astroquery fetches filter information!

Filters must be specified by their SVO ID.

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