Add DOI

CITATION.cff

@@ -27,8 +27,10 @@ preferred-citation:
     orcid: https://orcid.org/0000-0001-8457-4658
   url: https://dieghernan.github.io/celestial_data/
   year: '2023'
+  doi: 10.5281/zenodo.7561601
 repository-code: https://github.com/dieghernan/celestial_data/tree/main/data
 url: https://dieghernan.github.io/celestial_data/
+doi: 10.5281/zenodo.7561601
 references:
 - type: software
   title: d3-celestial

README.Rmd

@@ -10,6 +10,9 @@ editor_options:
 
 # Celestial Data
 
+[![DOI](https://img.shields.io/badge/DOI-10.5281/zenodo.7561601-blue)](https://doi.org/10.5281/zenodo.7561601)
+
+
 This repository contains several datasets in GeoJSON and GeoPackage format of
 celestial objects as of J2000 epoch.
 
@@ -44,6 +47,28 @@ https://dieghernan.github.io/celestial_data/data/mw.min.geojson
 https://cdn.jsdelivr.net/gh/dieghernan/celestial_data@main/data/mw.min.geojson
 ```
 
+## Citation
+
+Please cite these datasets as:
+
+Frohn O, Hernangómez D (2023). "Celestial Data." <doi:10.5281/zenodo.7561601>
+<https://doi.org/10.5281/zenodo.7561601>,
+<https://dieghernan.github.io/celestial_data/>.
+
+A BibTeX entry:
+
+``` bibtex
+
+@misc{frohnhernangomez:2023,
+    title        = {Celestial Data},
+    author       = {Olaf Frohn and Diego Hernangómez},
+    year         = 2023,
+    doi          = {10.5281/zenodo.7561601},
+    url          = {https://dieghernan.github.io/celestial_data/},
+}
+
+```
+
 ## Data
 
 Data is provided in GeoJSON (`*.geojson`) and GeoPackage (`*.gpkg`) format.

README.md

@@ -1,6 +1,8 @@
 
 # Celestial Data
 
+[![DOI](https://img.shields.io/badge/DOI-10.5281/zenodo.7561601-blue)](https://doi.org/10.5281/zenodo.7561601)
+
 This repository contains several datasets in GeoJSON and GeoPackage
 format of celestial objects as of J2000 epoch.
 
@@ -38,6 +40,27 @@ https://dieghernan.github.io/celestial_data/data/mw.min.geojson
 https://cdn.jsdelivr.net/gh/dieghernan/celestial_data@main/data/mw.min.geojson
 ```
 
+## Citation
+
+Please cite these datasets as:
+
+Frohn O, Hernangómez D (2023). “Celestial Data.”
+<doi:10.5281/zenodo.7561601> <https://doi.org/10.5281/zenodo.7561601>,
+<https://dieghernan.github.io/celestial_data/>.
+
+A BibTeX entry:
+
+``` bibtex
+
+@misc{frohnhernangomez:2023,
+    title        = {Celestial Data},
+    author       = {Olaf Frohn and Diego Hernangómez},
+    year         = 2023,
+    doi          = {10.5281/zenodo.7561601},
+    url          = {https://dieghernan.github.io/celestial_data/},
+}
+```
+
 ## Data
 
 Data is provided in GeoJSON (`*.geojson`) and GeoPackage (`*.gpkg`)

index.md

@@ -7,6 +7,8 @@ header_img: https://dieghernan.github.io/celestial_data/assets/img/ogimage.png
 ---
 
 
+[![DOI](https://img.shields.io/badge/DOI-10.5281/zenodo.7561601-blue)](https://doi.org/10.5281/zenodo.7561601)
+
 This project provides several datasets in GeoJSON and GeoPackage
 format of celestial objects as of J2000 epoch.
 
@@ -127,6 +129,29 @@ List of files provided
 See additional details on <https://dieghernan.github.io/celestial_data/data>
 
 
+## Citation
+
+Please cite these datasets as:
+
+Frohn O, Hernangómez D (2023). "Celestial Data." <doi:10.5281/zenodo.7561601>
+<https://doi.org/10.5281/zenodo.7561601>,
+<https://dieghernan.github.io/celestial_data/>.
+
+A BibTeX entry:
+
+``` bibtex
+
+@misc{frohnhernangomez:2023,
+    title        = {Celestial Data},
+    author       = {Olaf Frohn and Diego Hernangómez},
+    year         = 2023,
+    doi          = {10.5281/zenodo.7561601},
+    url          = {https://dieghernan.github.io/celestial_data/},
+}
+
+```
+
+
 ## References
 
 <div id="refs" class="references csl-bib-body hanging-indent" markdown=1>