Merge pull request #17 from bkhelifi/sect2

Update of the Section 2

VOHE-Note.bib

@@ -12,6 +12,7 @@ @misc{hess-zenodo.1421098
   year = {2018},
   copyright = {Open Access}
 }
+
 %reproducible analysis
 @ARTICLE{2019A&A...625A..10N,
        author = {{Nigro}, C. and {Deil}, C. and {Zanin}, R. and {Hassan}, T. and {King}, J. and {Ruiz}, J.~E. and {Saha}, L. and {Terrier}, R. and {Br{\"u}gge}, K. and {N{\"o}the}, M. and {Bird}, R. and {Lin}, T.~T.~Y. and {Aleksi{\'c}}, J. and {Boisson}, C. and {Contreras}, J.~L. and {Donath}, A. and {Jouvin}, L. and {Kelley-Hoskins}, N. and {Khelifi}, B. and {Kosack}, K. and {Rico}, J. and {Sinha}, A.},
@@ -54,8 +55,6 @@ @INPROCEEDINGS{2017AIPC.1792g0006D
       adsnote = {Provided by the SAO/NASA Astrophysics Data System}
 }
 
-
-
 @article{2021-DF,
 title={Evolution of Data Formats in Very-High-Energy Gamma-Ray Astronomy},
 volume={7}, ISSN={2218-1997},
@@ -87,13 +86,6 @@ @ARTICLE{2022A&A...667A..36A
       adsnote = {Provided by the SAO/NASA Astrophysics Data System}
 }
 
-
-
-%OGIP
-%GADF
-
-% a trier
-% ex provenance paper
 @INPROCEEDINGS{2019ASPC..523..313B,
         author = {{Bonnarel}, Fran{\c{c}}ois and {Louys}, M. and {Mantelet}, G. and {Nullmeier}, M. and {Servillat}, M. and {Riebe}, K. and {Sanguillon}, M.},
         title = "{ProvTAP: A TAP Service for Providing IVOA Provenance Metadata}",
@@ -145,3 +137,25 @@ @misc{unbehaun2023prospects
       archivePrefix={arXiv},
       primaryClass={astro-ph.HE}
 }
+
+% Gammapy
+@article{gammapy:2023,
+    author = {{Donath}, Axel and {Terrier}, R\'egis and {Remy}, Quentin and {Sinha}, Atreyee and {Nigro}, Cosimo and
+        {Pintore}, Fabio and {Kh\'elifi}, Bruno and {Olivera-Nieto}, Laura and {Ruiz}, Jose Enrique and
+        {Br\"ugge}, Kai and {Linhoff}, Maximilian and {Contreras}, Jose Luis and {Acero}, Fabio and
+        {Aguasca-Cabot}, Arnau and {Berge}, David and {Bhattacharjee}, Pooja and {Buchner}, Johannes and
+        {Boisson}, Catherine and {Carreto Fidalgo}, David and {Chen}, Andrew and {de Bony de Lavergne}, Mathieu and
+        {de Miranda Cardoso}, Jos\'e Vinicius and {Deil}, Christoph and {F\"u\ss{}ling}, Matthias and
+        {Funk}, Stefan and {Giunti}, Luca and {Hinton}, Jim and {Jouvin}, L\'ea and {King}, Johannes and
+        {Lefaucheur}, Julien and {Lemoine-Goumard}, Marianne and {Lenain}, Jean-Philippe and {L\'opez-Coto}, Rub\'en
+        and {Mohrmann}, Lars and {Morcuende}, Daniel and {Panny}, Sebastian and {Regeard}, Maxime and {Saha}, Lab
+        and {Siejkowski}, Hubert and {Siemiginowska}, Aneta and {Sip"ocz}, Brigitta M. and {Unbehaun}, Tim
+        and {van Eldik}, Christopher and {Vuillaume}, Thomas and {Zanin}, Roberta},
+    title = {Gammapy: A Python package for gamma-ray astronomy},
+    DOI= "10.1051/0004-6361/202346488",
+    url= "https://doi.org/10.1051/0004-6361/202346488",
+    journal = {A&A},
+    year = 2023,
+    volume = 678,
+    pages = "A157",
+}