diff --git a/notebooks/photutils/01_background_estimation/01_background_estimation.ipynb b/notebooks/photutils/01_background_estimation/01_background_estimation.ipynb index 9136a730..5037a5c1 100644 --- a/notebooks/photutils/01_background_estimation/01_background_estimation.ipynb +++ b/notebooks/photutils/01_background_estimation/01_background_estimation.ipynb @@ -4,6 +4,8 @@ "cell_type": "markdown", "metadata": {}, "source": [ + "
Made possible by the Astropy Project and ScienceBetter Consulting through financial support from the Community Software Initiative at the Space Telescope Science Institute.
\n", + "\n", "\n", "\n", "\n", @@ -136,7 +138,7 @@ "metadata": {}, "source": [ "#### Modifying data\n", - "For the purposes of this notebook example, we're going to add a background effect to this data, but don't worry about this. (Pay no attention to that man behind the curtain!)" + "For the purposes of this notebook example, we're going to add a linear background effect from the top to the bottom of these data. But don't worry about this (pay no attention to that man behind the curtain!)." ] }, { @@ -171,7 +173,7 @@ "outputs": [], "source": [ "from astropy.nddata import CCDData\n", - "unit = u.ct / u.s\n", + "unit = u.electron / u.s\n", "xdf_image = CCDData(modified_data, unit=unit, meta=header)" ] }, @@ -452,7 +454,7 @@ "cell_type": "markdown", "metadata": {}, "source": [ - "The `Background2D` class allows users to model 2-dimensional backgrounds, by evaluating the background signal in small boxes, and smoothing these boxes to reconstruct a continuous 2D background. The class includes the following arguments/attributes:\n", + "The `Background2D` class allows users to model 2-dimensional backgrounds, by calculating the mean or median in small boxes, and smoothing these boxes to reconstruct a continuous 2D background. The class includes the following arguments/attributes:\n", "* **`box_size`** - the size of the boxes used to calculate the background. This should be larger than individual sources, yet still small enough to encompass changes in the background.\n", "* **`filter_size`** - the size of the median filter used to smooth the final 2D background.\n", "* **`filter_threshold`** - threshold below which the smoothing median filter will not be applied.\n", diff --git a/notebooks/photutils/02_source_detection/02_source_detection.ipynb b/notebooks/photutils/02_source_detection/02_source_detection.ipynb index 2de6f6da..20e658c1 100644 --- a/notebooks/photutils/02_source_detection/02_source_detection.ipynb +++ b/notebooks/photutils/02_source_detection/02_source_detection.ipynb @@ -4,6 +4,8 @@ "cell_type": "markdown", "metadata": {}, "source": [ + "
Made possible by the Astropy Project and ScienceBetter Consulting through financial support from the Community Software Initiative at the Space Telescope Science Institute.
\n", + "\n", "\n", "\n", "\n", @@ -148,7 +150,7 @@ "cell_type": "markdown", "metadata": {}, "source": [ - "Throughout this notebook, we are going to store our images in Python using a `CCDData` object (see [Astropy documentation](http://docs.astropy.org/en/stable/nddata/index.html#ccddata-class-for-images)), which contains a `numpy` array in addition to metadata such as uncertainty, masks, or units. In this case, our data is in electrons (counts) per second." + "Throughout this notebook, we are going to store our images in Python using a `CCDData` object (see [Astropy documentation](http://docs.astropy.org/en/stable/nddata/index.html#ccddata-class-for-images)), which contains a `numpy` array in addition to metadata such as uncertainty, masks, or units. In this case, our data is in electrons per second." ] }, { @@ -157,7 +159,7 @@ "metadata": {}, "outputs": [], "source": [ - "unit = u.electron/ u.s\n", + "unit = u.electron / u.s\n", "xdf_image = CCDData(data, unit=unit, meta=header, mask=mask)" ] }, @@ -452,7 +454,7 @@ "cell_type": "markdown", "metadata": {}, "source": [ - "### Note: Comparing `DAOStarFinder` and `IRAFStarFinder`" + "## Note: Comparing `DAOStarFinder` and `IRAFStarFinder`" ] }, { diff --git a/notebooks/photutils/03_aperture_photometry/03_aperture_photometry.ipynb b/notebooks/photutils/03_aperture_photometry/03_aperture_photometry.ipynb index 6dc76b08..e430a215 100644 --- a/notebooks/photutils/03_aperture_photometry/03_aperture_photometry.ipynb +++ b/notebooks/photutils/03_aperture_photometry/03_aperture_photometry.ipynb @@ -4,10 +4,13 @@ "cell_type": "markdown", "metadata": {}, "source": [ + "
Made possible by the Astropy Project and ScienceBetter Consulting through financial support from the Community Software Initiative at the Space Telescope Science Institute.
\n", + "\n", "\n", "\n", "\n", "\n", + "\n", "# Aperture Photometry with `photutils`\n", "---" ] diff --git a/notebooks/photutils/04_psf_photometry/04_psf_photometry.ipynb b/notebooks/photutils/04_psf_photometry/04_psf_photometry.ipynb index 7ebdfd1d..3d4c77fa 100644 --- a/notebooks/photutils/04_psf_photometry/04_psf_photometry.ipynb +++ b/notebooks/photutils/04_psf_photometry/04_psf_photometry.ipynb @@ -4,10 +4,13 @@ "cell_type": "markdown", "metadata": {}, "source": [ + "
Made possible by the Astropy Project and ScienceBetter Consulting through financial support from the Community Software Initiative at the Space Telescope Science Institute.
\n", + "\n", "\n", "\n", "\n", "\n", + "\n", "# PSF Photometry with `photutils`\n", "---" ]