Caltech-IPAC · bsipocz · Feb 27, 2026 · Feb 27, 2026 · Feb 27, 2026 · Feb 27, 2026
diff --git a/index.md b/index.md
@@ -8,6 +8,4 @@ They cover topics like querying IRSA, working with catalogs in Parquet format, v
 
 ## About these notebooks
 
-**Authors:** IRSA Scientists and Developers wrote and maintain these notebooks.
-
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/myst.yml b/myst.yml
@@ -5,7 +5,6 @@ project:
   subject: IRSA Tutorials
   description: IRSA Python Notebook tutorials to demostrate accessing data served by the NASA/IPAC Infrared Science Archive (IRSA)
   keywords: [astronomy]
-  authors: [IRSA Scientists and Developers]
   github: https://github.com/Caltech-IPAC/irsa-tutorials/
   license:
     id: BSD-3-Clause

diff --git a/tutorials/2mass/sia_2mass_allsky.md b/tutorials/2mass/sia_2mass_allsky.md
@@ -9,6 +9,9 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: David Shupe
+  - name: IRSA Science Team
 ---
 
 # Searching for 2MASS All-Sky Atlas Images
@@ -178,8 +181,6 @@ Repeat the steps above to retrieve a cutout from the AllWISE Atlas images
 
 +++
 
-**Author:** David Shupe, IRSA Scientist, and the IRSA Science Team
-
 **Updated:** 2023-02-16
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.

diff --git a/tutorials/cosmos/sia_cosmos.md b/tutorials/cosmos/sia_cosmos.md
@@ -9,6 +9,9 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: David Shupe
+  - name: IRSA Science Team
 ---
 
 # Searching for contributed COSMOS images
@@ -179,8 +182,6 @@ ax.scatter(ra, dec, transform=ax.get_transform('fk5'), s=500, edgecolor='red', f
 
 +++
 
-**Author:** David Shupe, IRSA Scientist, and the IRSA Science Team
-
 **Updated:** 2022-02-14
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.

diff --git a/tutorials/euclid/1_Euclid_intro_MER_images.md b/tutorials/euclid/1_Euclid_intro_MER_images.md
@@ -9,6 +9,17 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Tiffany Meshkat
+  - name: Anahita Alavi
+  - name: Anastasia Laity
+  - name: Andreas Faisst
+  - name: Brigitta Sipőcz
+  - name: Dan Masters
+  - name: Harry Teplitz
+  - name: Jaladh Singhal
+  - name: Shoubaneh Hemmati
+  - name: Vandana Desai
 ---
 
 # Euclid Q1: MER Mosaics
@@ -396,8 +407,6 @@ for i in range(len(sources_thr)):
 
 ## About this Notebook
 
-**Author**: Tiffany Meshkat, Anahita Alavi, Anastasia Laity, Andreas Faisst, Brigitta Sipőcz, Dan Masters, Harry Teplitz, Jaladh Singhal, Shoubaneh Hemmati, Vandana Desai
-
 **Updated**: 2025-03-31
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/euclid/2_Euclid_intro_MER_catalog.md b/tutorials/euclid/2_Euclid_intro_MER_catalog.md
@@ -9,6 +9,17 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Tiffany Meshkat
+  - name: Anahita Alavi
+  - name: Anastasia Laity
+  - name: Andreas Faisst
+  - name: Brigitta Sipőcz
+  - name: Dan Masters
+  - name: Harry Teplitz
+  - name: Jaladh Singhal
+  - name: Shoubaneh Hemmati
+  - name: Vandana Desai
 ---
 
 # Euclid Q1: MER Catalogs
@@ -159,8 +170,6 @@ plt.title('10k Stars in MER catalog -- IRSA')
 
 ## About this Notebook
 
-**Author**: Tiffany Meshkat, Anahita Alavi, Anastasia Laity, Andreas Faisst, Brigitta Sipőcz, Dan Masters, Harry Teplitz, Jaladh Singhal, Shoubaneh Hemmati, Vandana Desai
-
 **Updated**: 2025-04-09
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/euclid/3_Euclid_intro_1D_spectra.md b/tutorials/euclid/3_Euclid_intro_1D_spectra.md
@@ -9,6 +9,19 @@ kernelspec:
   name: python3
   display_name: python3
   language: python
+authors:
+  - name: Tiffany Meshkat
+  - name: Anahita Alavi
+  - name: Anastasia Laity
+  - name: Andreas Faisst
+  - name: Brigitta Sipőcz
+  - name: Dan Masters
+  - name: Harry Teplitz
+  - name: Jaladh Singhal
+  - name: Shoubaneh Hemmati
+  - name: Vandana Desai
+  - name: Troy Raen
+  - name: Jessica Krick
 ---
 
 # Euclid Q1: SIR 1D Spectra
@@ -184,8 +197,6 @@ plt.title(f"Euclid SIR 1D Spectrum at RA={coord.ra.deg:.4f}°, Dec={coord.dec.de
 
 ## About this Notebook
 
-**Author**: Tiffany Meshkat, Anahita Alavi, Anastasia Laity, Andreas Faisst, Brigitta Sipőcz, Dan Masters, Harry Teplitz, Jaladh Singhal, Shoubaneh Hemmati, Vandana Desai, Troy Raen, Jessica Krick
-
 **Updated**: 2026-01-13
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/euclid/4_Euclid_intro_PHZ_catalog.md b/tutorials/euclid/4_Euclid_intro_PHZ_catalog.md
@@ -9,6 +9,18 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Tiffany Meshkat
+  - name: Anahita Alavi
+  - name: Anastasia Laity
+  - name: Andreas Faisst
+  - name: Brigitta Sipőcz
+  - name: Dan Masters
+  - name: Harry Teplitz
+  - name: Jaladh Singhal
+  - name: Shoubaneh Hemmati
+  - name: Vandana Desai
+  - name: Troy Raen
 ---
 
 # Euclid Q1: PHZ Catalogs
@@ -416,8 +428,6 @@ fc.show_table(uploaded_table)
 
 ## About this Notebook
 
-**Author**: Tiffany Meshkat, Anahita Alavi, Anastasia Laity, Andreas Faisst, Brigitta Sipőcz, Dan Masters, Harry Teplitz, Jaladh Singhal, Shoubaneh Hemmati, Vandana Desai, Troy Raen
-
 **Updated**: 2025-09-24
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/euclid/5_Euclid_intro_SPE_catalog.md b/tutorials/euclid/5_Euclid_intro_SPE_catalog.md
@@ -9,6 +9,19 @@ kernelspec:
   name: python3
   display_name: python3
   language: python
+authors:
+  - name: Tiffany Meshkat
+  - name: Anahita Alavi
+  - name: Anastasia Laity
+  - name: Andreas Faisst
+  - name: Brigitta Sipőcz
+  - name: Dan Masters
+  - name: Harry Teplitz
+  - name: Jaladh Singhal
+  - name: Shoubaneh Hemmati
+  - name: Vandana Desai
+  - name: Troy Raen
+  - name: Jessica Krick
 ---
 
 # Euclid Q1: SPE Catalogs
@@ -274,8 +287,6 @@ plt.title(f'Object ID {obj_id}')
 
 ## About this Notebook
 
-**Author**: Tiffany Meshkat, Anahita Alavi, Anastasia Laity, Andreas Faisst, Brigitta Sipőcz, Dan Masters, Harry Teplitz, Jaladh Singhal, Shoubaneh Hemmati, Vandana Desai, Troy Raen, Jessica Krick
-
 **Updated**: 2026-01-13
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.

diff --git a/tutorials/euclid/Euclid_ERO.md b/tutorials/euclid/Euclid_ERO.md
@@ -10,6 +10,8 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Andreas Faisst
 ---
 
 # Exploring Star Clusters in the Euclid ERO Data
@@ -679,8 +681,6 @@ Now, check out the `Firefly` GUI. You can zoom the images, click on sources, fil
 
 ## About this Notebook
 
-**Author**: Andreas Faisst (IPAC Scientist)
-
 **Updated**: 2025-03-17
 
 **Contact**: the [IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/euclid/euclid-cloud-access.md b/tutorials/euclid/euclid-cloud-access.md
@@ -9,6 +9,13 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Jaladh Singhal
+  - name: Vandana Desai
+  - name: Brigitta Sipőcz
+  - name: Tiffany Meshkat
+  - name: Troy Raen
+  - name: IRSA Data Science Team
 ---
 
 # Euclid Q1: Cloud Access
@@ -313,8 +320,6 @@ plt.title(f'Spectrum of Target: {target_name}\n(Euclid Object ID: {object_id})')
 
 ## About this Notebook
 
-**Author:** Jaladh Singhal (IRSA Developer) in conjunction with Vandana Desai, Brigitta Sipőcz, Tiffany Meshkat, Troy Raen, and the IRSA Data Science Team
-
 **Updated:** 2025-09-23
 
 **Contact:** the [IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/euclid/merged-objects-hats-catalog/1-euclid-q1-hats-intro.md b/tutorials/euclid/merged-objects-hats-catalog/1-euclid-q1-hats-intro.md
@@ -9,6 +9,16 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Troy Raen
+  - name: Vandana Desai
+  - name: Andreas Faisst
+  - name: Shoubaneh Hemmati
+  - name: Jaladh Singhal
+  - name: Brigitta Sipőcz
+  - name: Jessica Krick
+  - name: IRSA Data Science Team
+  - name: Euclid NASA Science Center at IPAC (ENSCI)
 ---
 
 # Euclid Q1 Merged Objects HATS Catalog: Introduction
@@ -373,8 +383,6 @@ highz_objects
 
 ## About this notebook
 
-**Authors:** Troy Raen, Vandana Desai, Andreas Faisst, Shoubaneh Hemmati, Jaladh Singhal, Brigitta Sipőcz, Jessica Krick, the IRSA Data Science Team, and the Euclid NASA Science Center at IPAC (ENSCI).
-
 **Updated:** 2025-12-23
 
 **Contact:** [IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html)
diff --git a/tutorials/euclid/merged-objects-hats-catalog/4-euclid-q1-hats-magnitudes.md b/tutorials/euclid/merged-objects-hats-catalog/4-euclid-q1-hats-magnitudes.md
@@ -9,6 +9,16 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Troy Raen
+  - name: Vandana Desai
+  - name: Andreas Faisst
+  - name: Shoubaneh Hemmati
+  - name: Jaladh Singhal
+  - name: Brigitta Sipőcz
+  - name: Jessica Krick
+  - name: IRSA Data Science Team
+  - name: Euclid NASA Science Center at IPAC (ENSCI)
 ---
 
 # Euclid Q1 Merged Objects HATS Catalog: Magnitudes
@@ -364,8 +374,6 @@ The offset is more pronounced for point-like objects (bottom row), likely due to
 
 ## About this notebook
 
-**Authors:** Troy Raen, Vandana Desai, Andreas Faisst, Shoubaneh Hemmati, Jaladh Singhal, Brigitta Sipőcz, Jessica Krick, the IRSA Data Science Team, and the Euclid NASA Science Center at IPAC (ENSCI).
-
 **Updated:** 2025-12-23
 
 **Contact:** [IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html)
diff --git a/tutorials/simulated-data/OpenUniverse2024Preview_Firefly.md b/tutorials/simulated-data/OpenUniverse2024Preview_Firefly.md
@@ -9,6 +9,10 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Jaladh Singhal
+  - name: Vandana Desai
+  - name: IRSA Team
 ---
 
 # Using Firefly to Explore OpenUniverse2024 Data Preview Simulated Roman and Rubin Images
@@ -723,8 +727,6 @@ fc.set_stretch(plot_id=coadd_ff_id_roman_3color, stype='sigma', algorithm='squar
 
 ## About This Notebook
 
-**Author:** Jaladh Singhal and Vandana Desai in conjunction with the IRSA Team
-
 **Updated:** 2024-12-19
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/simulated-data/cosmoDC2_TAP_access.md b/tutorials/simulated-data/cosmoDC2_TAP_access.md
@@ -10,6 +10,14 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: IRSA Data Science Team
+  - name: Vandana Desai
+  - name: Jessica Krick
+  - name: Troy Raen
+  - name: Brigitta Sipőcz
+  - name: Andreas Faisst
+  - name: Jaladh Singhal
 ---
 
 # Querying the CosmoDC2 Mock v1 Catalogs
@@ -254,8 +262,6 @@ ORDER BY mag_r_lsst ASC
 
 ## About this notebook
 
-**Author:** IRSA Data Science Team, including Vandana Desai, Jessica Krick, Troy Raen, Brigitta Sipőcz, Andreas Faisst, Jaladh Singhal
-
 **Updated:** 2025-12-16
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.

diff --git a/tutorials/simulated-data/openuniverse2024_roman_simulated_timedomainsurvey.md b/tutorials/simulated-data/openuniverse2024_roman_simulated_timedomainsurvey.md
@@ -9,6 +9,8 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Lauren Aldoroty
 ---
 
 # Analyzing cloud-hosted simulated Roman Time Domain Survey images
@@ -297,8 +299,6 @@ animate_stamps(stamps, savepath, labels=mjd)
 
 ## About this notebook
 
-**Author:** Lauren Aldoroty (laurenaldoroty@gmail.com) with minor subsequent modifications to match repository style
-
 **Updated:** 2024-06-10
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/simulated-data/openuniverse2024_roman_simulated_wideareasurvey.md b/tutorials/simulated-data/openuniverse2024_roman_simulated_wideareasurvey.md
@@ -9,6 +9,9 @@ kernelspec:
   display_name: science_demo
   language: python
   name: python3
+authors:
+  - name: Vandana Desai
+  - name: IPAC Science Platform team
 ---
 
 # Analyzing cloud-hosted simulated Roman coadded images
@@ -166,8 +169,6 @@ FIDELITY, SIGMA, INWTSUM, EFFCOVER = maps of U_alpha/C, S_alpha, sum_i T_{alpha
 
 ## About this notebook
 
-**Author:** Vandana Desai (Science Lead, IRSA) in conjunction with the IPAC Science Platform team
-
 **Updated:** 2024-06-10
 
 **Contact:** [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
diff --git a/tutorials/simulated-data/roman_hlss_number_density.md b/tutorials/simulated-data/roman_hlss_number_density.md
@@ -10,6 +10,9 @@ kernelspec:
   display_name: Python 3 (ipykernel)
   language: python
   name: python3
+authors:
+  - name: Jessica Krick
+  - name: IPAC Science Platform Team
 ---
 
 # Number Density as a Function of Redshift
@@ -1196,7 +1199,6 @@ Figure Caption:  The fractional uncertainty is the standard deviation from jackk
 +++
 
 ## About this notebook
-**Authors**: Jessica Krick in conjunction with the IPAC Science Platform Team
 
 **Contact:** [IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions
 or problems.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -8,6 +8,4 @@ They cover topics like querying IRSA, working with catalogs in Parquet format, v

		## About these notebooks

		Authors: IRSA Scientists and Developers wrote and maintain these notebooks.

		Contact: [the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.