11.4.14. astroML.datasets.fetch_rrlyrae_mags¶
-
astroML.datasets.fetch_rrlyrae_mags(data_home=None, download_if_missing=True)[source]¶ Loader for RR-Lyrae data
- Parameters
- data_homeoptional, default=None
Specify another download and cache folder for the datasets. By default all astroML data is stored in ‘~/astroML_data’.
- download_if_missingoptional, default=True
If False, raise a IOError if the data is not locally available instead of trying to download the data from the source site.
- Returns
- datarecarray, shape = (483,)
record array containing imaging data
Notes
This data is from table 1 of Sesar et al 2010 ApJ 708:717
Examples
>>> from astroML.datasets import fetch_rrlyrae_mags >>> data = fetch_rrlyrae_mags() >>> # number of objects in dataset >>> data.shape (483,)