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| Title: |
HWO25 Proceedings Part II: Mission Framework, Technology, and Broader Contributions
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| Monograph: |
11
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Year: |
2026
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View this Volume on ADS
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| Editors: |
Janice C. Lee, Jessica Noviello, Stephanie LaMassa, and Marc Postman
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| ISBN: |
978-1-58381-972-2
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eISBN:
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978-1-58381-973-9
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| Paper Title |
Page |
Authors |
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| |
| Astrophysics Beyond 100 Parsecs: Cosmic Origins and Physics of the Cosmos |
5 |
Allison L. Strom, Janice Lee, Sarah Tuttle, Eric Burns, Adam Smercina, and Thaisa Storchi Bergmann |
| Biosignatures Discussion Panel |
9 |
Victoria Meadows, Niki Parenteau, and Giada Arney |
| Roman as a Pathfinder to Search for Life with HWO |
13 |
Laurent Pueyo, Bruce Macintosh, and Iva Laginja |
| Emerging Technologies |
19 |
Ruslan Belikov, Tania Bedrax-Weiss, John MacKenty, Bernard J. Rauscher, Susan Redmond, Dan Sirbu, Andrew Vanderburg, and Naseem Rangwala |
| HWO25: Servicing Space Observatories |
27 |
John Grunsfeld, Ewan Douglas, Kevin France, Andrew Allen, Joseph Anderson, Benjamin Reed, and Julie Van Campen |
| Working Together to Enable HWO: Industry Partnerships |
35 |
Jacobus M. Oschmann and Jonathan W. Arenberg |
| Collaborating for the Cosmos: HWO25 International Partnerships Panel |
39 |
Megan Ansdell |
| From Science to Engineering for the Habitable Worlds Observatory |
45 |
Aki Roberge, John Ziemer, Bertrand Mennesson, Jason Tumlinson, Eleonora Alei, Miles Currie, Breann Sitarski, and Christopher Stark |
| Towards the HWO Greater Instrument Complement - Science Drivers and Capabilities |
49 |
Paul Scowen, Breann Sitarski, and Matthew Bolcar |
| Characterizing Ring Systems and Extremely Tight Trans-Neptunian Binaries with the Habitable Worlds Observatory |
57 |
Bryan J. Holler, Richard J. Cartwright, Benjamin Proudfoot, and Aki Roberge |
| Very High Precision Astrometry for Exoplanets and Dark Matter with the Habitable Worlds Observatory |
65 |
Fabien Malbet, Jerome Amiaux, Florence Ardellier-Desages, Renaud Goullioud |
| Supermagnified Stars in Lensing Clusters and Small-Scale Structure in the Dark Matter |
73 |
Gabriel Torralba and Jordi Miralda-Escudé |
| Unveiling Intermediate-Mass Black Holes through Reverberation Mapping with the Habitable Worlds Observatory |
79 |
Vivian U, Ed Cackett, Aaron Barth, and Varoujan Gorjian |
| Potential Binary Supermassive Black Holes in Markarian 231 as a Scientific Case for the Spectropolarimeter POLLUX |
83 |
Julie Biedermann, Frédéric Marin, Coralie Neiner, and Jean-Claude Bouret |
| Advancing Our Understanding of the Interstellar Medium with the Habitable Worlds Observatory |
87 |
Adam M. Ritchey |
| Astrobiologically Interesting Stars Within 20 Parsecs of the Sun |
93 |
Tarek Haimuri and Gustavo F. Porto de Mello |
| Towards a Statistical Framework for HWO Biosignature Assessment |
103 |
Victoria Meadows, Heather Graham, Chris Kempes, Samuel McCarty, Alexandra Papesh, Andrew Lincowski, Megan Gialluca, Tyler Robinson, Josh Krissansen-Totton, and Jacob Lustig-Yaeger |
| Network and Kinetics-based Biosignatures: Implications for the Putative Habitable World Observatory Design |
109 |
Theresa Fisher, Chester Harman, Estelle Janin, Megan Shabram, Shang-Min Tsai, Nicholas Wogan, and Michael Wong |
| Volcanic Markers for Assessing Planet Habitability: Insights [6pt]from the AVENGERS Initiative for HWO |
115 |
Piero D’Incecco |
| HWO NIR and NUV Spectra Quality and Wavelength Cutoff Impact on Exo-Earth Yield over a Broad Architecture Range |
121 |
Rhonda Morgan, Michael Turmon, Mario Damiano, Dmitry Savransky, Giada Arney, Renyu Hu, Bertrand Mennesson, Eric Mamajek, Armen Tokadjian, Aki Roberge, and Tyler Robinson |
| The Exoplanet Science Case for the High-Resolution Pollux Spectrograph |
125 |
L. Fossati, J.-Y. Chaufray, P. E. Cubillos, A. Strugarek, S. V. Berdyugina, F. Borsa, J. A. Caballero, E. Ehl, L. N. Fletcher, A. Fludra, L. Gkouvelis, J. L. Grenfell, M. Güdel, K. G. Kislyakova, A. Moin, E. Palle, C. Pearson, A. G. Sreejith, D. Veras, A. A. Vidotto, D. M. Weigt, T. G. Wilson, T. Zingales, and the Pollux planets WG |
| Convolutional Neural Networks for Characterizing Reflection Spectra of Evolving Earth-Like Planets |
131 |
Sarah G. A. Barbosa, Raissa Estrela, Paulo C. F. da Silva Filho, and Daniel B. de Freitas |
| Characterizing Proterozoic Earth-like Planets in the Near Ultraviolet with HWO |
137 |
Amber V. Young, Giada Arney, Tyler D. Robinson, Shawn D. Domagal-Goldman, Roser Juanola-Parramon, Christopher C. Stark, Renyu Hu, Armen Tokadjian, and Mario Damiano |
| A Study of Atmospheric Mass Loss for the Hot-Jupiter Kepler-423 b and the Super-Earth TOI-733 b |
143 |
Andre O. Kovacs and Adriana Valio |
| Atmospheres of Rocky Exoplanets Around Active M Dwarfs: The Interplay of Atmospheric Pressure, Flare-Driven Photochemistry, and Stellar Contamination |
147 |
Viktor Y. D Sumida, Raissa Estrela, and Adriana Valio |
| GALEX NUV and Optical Observations of Stellar Flares Within the KEPLER Prime Field |
151 |
Miguel Chavez-Dagostino, Emanuele Bertone, Gerardo Davila, and Sandra Ayala |
| Habitable Exomoons |
155 |
Apurva V. Oza and Yuk L. Yung |
| Habitable World Discovery and Characterization: Coronagraph Concept of Operations and Data Post-Processing |
165 |
Michael W. McElwain, Dimitri Mawet, Roser Juanola Parramon, Kellen Lawson, Hervé Le Coroller, Christian Marois, Max Millar-Blanchaer, Bijan Nemati, Susan F. Redmond, Bin Ren, Jean-Baptiste Ruffio, Laurent Pueyo, Christopher Stark, and Scott Will |
| Coronagraph Design Survey and Performance Analysis for the Habitable Worlds Observatory |
173 |
Ruslan Belikov, Christopher Stark, Nick Siegler, Emiel Por, Bertrand Mennesson, Susan Redmond, Pin Chen, Kevin Fogarty, Olivier Guyon, Roser Juanola-Parramon, Jeremy Kasdin, John Krist, Dimitri Mawet, Rhonda Morgan, Camilo Mejia Prada, Laurent Pueyo, Garreth Ruane, Dan Sirbu, Karl Stapelfeldt, John Trauger, Neil Zimmerman, Mary Angelie Alagao, Alex Carlotti, Jamal Chafi, David Doelman, Jessica Gersh-Range, Lorenzo König, Lucille Leboulleux, Dwight Moody, A. J. Riggs, Eugene Serabyn, Frans Snik, Kent Wallace |
| Exploring the Coronagraph Trade Space for Exoplanet Direct Imaging Yield |
185 |
Armen Tokadjian, Michael Turmon, Rhonda Morgan, Mario Damiano, Bertrand Mennesson, Dmitry Savransky, Chris Stark, Jouni Susiluoto, Corey Spohn, and Sarah Steiger |
| Development of High-Contrast Imaging Technique for Exoplanets in Binary-Star Systems |
191 |
Kenta Yoneta, Naoshi Murakami, and Jun Nishikawa |
| Combining a Diffraction-Limited Coronagraph with Fiber Nulling: A Demonstration of Serially Coupling Different Nullers |
195 |
Satoshi Itoh, Taro Matsuo, Reiki Kojima, Motohide Tamura, Takahiro Sumi, and Oliver Guyon |
| Development of Broadband Coronagraphic Phase Masks and Wavefront Control Technique |
201 |
Naoshi Murakami, Kenta Yoneta, Jun Nishikawa, Yosuke Tanaka, Shunya Sato, Hajime Kawahara, Keigo Enya, Takayuki Kotani, Aoi Takahashi, Shota Miyazaki, and Toru Yamada |
| Two-Stage Coronagraph for High Contrast Imaging |
205 |
Jun Nishikawa, Naoshi Murakami, Kenta Yoneta, Yosuke Tanaka, and
Keigo Enya |
| Development of the Speckle Area Nulling and Coherent Differential Imaging on Speckle Area Nulling |
209 |
Kenta Yoneta, Jun Nishikawa, Yutaka Hayano, Masatsugu Iribe, Kodai Yamamoto, Ryo Tsukui, Naoshi Murakami, Yosuke Tanaka, Motohide Tamura, Takahiro Sumi, Toru Yamada, Olivier Guyon, Julien Lozi, Vincent Deo, Sébastien Vievard, and Kyohoon Ahn^{14,2}z |
| Seeing Within the Inner Working Angle of Coronagraphs at Infrared Wavelengths with Photonic Lantern Nulling |
213 |
Yinzi Xin, Nemanja Jovanovic, Dimitri Mawet, Daniel Echeverri, Jonathan Lin, Yoo Jung Kim, Julien Lozi, Sebastien Vievard, Olivier Guyon, Grace Piroscia, Vincent Deo, Sergio Leon-Saval, Rodrigo Amezcua-Correa, Stephanos Yerolatsitis, Michael P. Fitzgerald, Pradip Gatkine, Suvinay Goyal, Barnaby Norris, Garreth Ruane, and Steph Sallum |
| Foundations of Modeling Micrometeoroid Induced Damage and its Stray-Light Contributions for HWO |
219 |
Blake Shepherd, Jonathan Arenberg, and Megan Gialluca |
| Habitable Worlds Observatory Wavefront Sensing and Control: Methods for Ultrastability |
223 |
Jonathan Tesch, Dave Redding, Fang Shi, John Lou, Jeffrey Jewell, Alden Jurling, Alan Gostin, and Hari Subedi |
| Status of the Ultra-Stable Large Telescope Research and Analysis – Critical Technologies (ULTRA-CT) Program |
233 |
Laura Coyle, Laurent Pueyo, Matthew East, Tyler McCracken, Benjamin Cromey, Jeremy Shugrue, Thomas Peters, Joseph Ho, Jake Crouse, Bruce Hardy, Dominic Maes, Dustin Putnam, Kevin Weed, Sebastian Valencia, Nicole Khoury, Randal Telfer, Nicolas Flagey, Remi Soummer, Nathanael D. Cox, Austin Bruce, Peter Miller, Brian Martens, Emily Lunde, and Daniel Porpora |
| Efficient, Simultaneous Exoplanet Spectroscopy, Wavefront Control and Calibration at Deep Contrast with Hybrid Mode-Selective Photonic Lanterns |
243 |
Mona El Morsy, Olivier Guyon, Barnaby Norris, Sergio Leon-Saval, Sebastien Vievard, Julien Lozi, Thayne Currie, Yoo Jung Kim, Mike Fitzgerald, Nemanja Jovanovic, Elsa Huby, Sylvestre Lacour, and Manon Lallement |
| A Hardware Demonstration for Low Order Wavefront Sensing and Control in HWO Exoplanet Imaging |
251 |
John Trauger, J. Kent Wallace, John Krist, and A.J. Riggs |
| WaveDriver: a Laser Guide Star AO System for HWO |
257 |
Benjamin L. Gerard, Alex Geringer-Sameth, Aditya R. Sengupta, Alexx Perloff, Michael Messerley, Dominic F. Sanchez, P. Waswa, William Moore, Matthew Cook, Eric Strang, Paul Pax, Cesar Laguna, Matthew DeMartino, Kevin Bundy, Rebecca Jensen-Clem, Aaron J. Lemmer, S. Mark Ammons, Lisa Poyneer, and Megan Eckart |
| Unlocking the Secrets of Exoatmospheres:
The Benefits of Accounting for Spectropolarimetry in the Design of HWO |
263 |
T. Karalidi, C. Vancil, K. Bott, M. Millar-Blanchaer, E. Manjavacas, and K. Goodis Gordon |
| The Pollux European Instrument Concept for HWO: a High-Resolution Spectrograph and Spectropolarimeter from the Far-UV to the Near-IR |
267 |
Coralie Neiner,
Jean-Claude Bouret,
Luca Fossati,
David le Mignant,
Eduard Muslimov,
Ana Inés Gómez de Castro, and
Frédéric Marin |
| Pollux Test Bench: from NUV to FUV Spectropolarimetric Measurements |
275 |
Adrien Girardot, Coralie Neiner, Jean-Michel Reess, Olivier Dupuis, and Margarita Carret |
| Far-Ultraviolet Integral Field and High-Resolution Spectrographs for Exoplanets and Solar System Bodies |
279 |
Shingo Kameda, Go Murakami, Umi Enokidani, Masaki Kuwabara, Atsushi Yamazaki, Akifumi Nakayama, Kevin France, Brian Fleming, and Takashi Sukegawa |
| Next-Generation MicroShutter Array for HWO UV Multi-Object Spectrograph |
283 |
Meng-Ping Chang, Kyowon Kim, Paul Scowen, Alexander Kutyrev, Edward Wollack, Allison Youngblood, Stephan McCandliss, Regis Brekosky, Ming Ke, Gang Hu, Suryakanthi Rachamadugu, Daniel LoucksBaer, Frederick Wang, Nicholas Costen, Samelys Rodriguez, Eduardo Aguayo, Beth Paquette, Margaret H. Samuels, and Rainer Fettig |
| Using SED Fitting to Explore the Need for a Robust Set of UV Filters Onboard the Habitable Worlds Observatory |
291 |
Kyle W. Cook, Benne W. Holwerda and Clayton D. Robertson |
| Far UV filters for HWO |
295 |
P. López-Reyes, C. Honrado-Benítez, N. Gutiérrez-Luna, F. Valls-Vicent, A. Iglesias-Moreno, A. García-Cañas, S. Julve.Gonzalez, G. Lopez-Reyes, E. Farr, N. Kruczek, N. Nell, K. France, and J.I. Larruquert |
| UV Grating Development for the Habitable Worlds Observatory |
299 |
Drew M. Miles, Randall L. McEntaffer, Fabien Grisé, Jake McCoy, Brian Fleming, Kevin France, Nicholas Kruczek, Stephan McCandliss, Mackenzie Carlson, Casey DeRoo, and Keri Hoadley |
| Advanced Fabrication Methods for Next-Generation UV Gratings: Enabling Habitable Worlds Observatory Spectroscopy Through Precision Nanofabrication |
305 |
Fabien Grisé, Randall L. McEntaffer, Jake McCoy, Drew M. Miles, Mackenzie Carlson, Casey DeRoo, Brian Fleming, Kevin France, Nicholas Kruczek, Stephan McCandliss, and Keri Hoadley |
| LUV: A Laboratory to Perform Optical Tests Under Vacuum Ultraviolet Irradiation |
311 |
María Frutos and Ana I. Gómez de Castro |
| Astrophysical Atomic Data in the UV Using Computational Intelligence Algorithms |
315 |
Joshua Emanuel Lara Sabala, Alicia Morales Reyes, Emanuele Bertone, and Miguel Chávez Dagostino |
| High Precision Astrometry for the HWO High Resolution Imager |
319 |
Eduardo Bendek, B. Scott Gaudi, and Kaz Gary |
| System Analysis for a High-Precision High-Accuracy Astrometric Instrument for HWO |
327 |
Jérôme Amiaux, Fabien Malbet, Florence Ardellier-Desages, Eric Doumayrou, Pierre-Antoine Frugier, Renaud Goullioud, Thomas Greene, Lucas Labadie, Pierre-Olivier Lagage, Manon Lizzana, Alain Leger, Thierry Lepine, Gary Mamon, Jérôme Martignac, Julien Michelot, Fabrice Pancher, Thibault Pichon, Aki Roberge, Samuel Ronayette, Hugo Rousset, Breann Sitarski, Alessandro Sozzetti, and Thierry Tourette |
| Experimental Tests of the Calibration of High Precision Differential Astrometry for HWO |
335 |
Manon Lizzana, Fabien Malbet, Alain Leger, Fabrice Pancher, Sébastien Soler, Hugo Rousset, Thierry Lepine, Julien Michelot, Yahya Er-Rahmaouy, and Youssef Bakka |
| SHARP: An Advanced Near-IR Spectrograph to Unlock the Universe Beyond Habitable Worlds |
341 |
P. Saracco, P. Conconi, C. Arcidiacono, E. Portaluri, H. Mahmoodzdeh, I. Di Antonio, V. Cianniello, I. Arosio, L. Barbalini, G. Lops, E. Molinari, J. M. Alcalá, S. Bisogni, R. Bonito, E. Dalla Bontà, M. Dall'Ora, V. De Caprio, A. Caratti o Garatti, E. Cascone, V. B. Di Francesco, G. Di Rico, D'Orazi, C. Eredia, D. Fedele, G. Fiorentino, M. Fumana, A. Gargiulo, A. R. Gallazzi, M. Guarcello, L. Izzo, F. La Barbera,C. Lardo, M. Longhetti, A. Longobardo, C. Mancini, A. Mura, E. Piconcelli, A. Pizzella, L. Podio, M. Polletta,L. Prisinzano, F. Ricci, V. Ripepi, V. Roccatagliata, and G. Vietri |
| Recent Characterization Results of LmAPDs: Towards Photon Counting Infrared Arrays for HWO |
345 |
Guillaume Huber, Michael Bottom, Shane Jacobson, Charles-Antoine Claveau, Ian Baker, and Pavaman Bilgi |
| Single-Photon CMOS Detectors for HWO |
351 |
Edwin Alexani, Justin P. Gallagher, and Donald F. Figer |
| Optical Design Pathways to Fluidic Space-Assembled Reflectors and Dual-Configuration Spectrographs for Characterizing Exo-Earths |
357 |
Enrico Biancalani, Edward Balaban, Ruslan Belikov, Eduardo Bendek, Valeri Frumkin, Israel Gabay, Guangjun Gao, Qian Gong, Christine Gregg, Tyler Groff, Joseph Howard, Omer Luria, Michael McElwain, Lee Mundy, Rachel Ticknor, Sylvain Veilleux, and Neil Zimmerman |
| Feasibility of Dichroic Beam Splitting in the HWO Coronagraph |
369 |
J. Trauger, P. Chen, J. Krist, and J. Ashcraft |
| AI Co-Scientist for the Habitable Worlds Observatory: Enhanced Biosignature Detection by Multi-Agent Systems |
373 |
Avi Shporer and Iddo Drori |
| Multi-Star Wavefront Control: Science Case and Technological Prospects with High-Contrast Imaging of Exoplanets in Multi-Star Systems for Roman and HWO |
377 |
Dan Sirbu, Ruslan Belikov, Eduardo Bendek, David Marx, Camilo Mejia Prada, Hanying Zhou, Byoung-Joon Seo, Kevin Fogarty, and Kevin Sims |
| Keck Observatory as an HWO Testbed: Validating Wavefront Sensing and Control Schemes on a Large Segmented Aperture in Parallel with High-Contrast Science |
383 |
Maïssa Salama, Rebecca Jensen-Clem, Mahawa Cissé, J. Kent Wallace, Mitchell Troy, Laurent Pueyo, Charlotte Guthery, Antonin Bouchez, and Vincent Chambouleyron |
| Synergy Between the Habitable Worlds Observatory and the Thirty Meter Telescope |
391 |
David R. Andersen |
| The Lunar Ultraviolet Observatory (OUL), a HWO Precursor Mission for the Investigation of the Earth as an Exoplanet |
395 |
Ana Inés Gómez de Castro, María Frutos, Ada Canet, Miguel Chávez, Shingo Kameda, León Restrepo Quirós, and Eduardo Bendek |
| Advancing the Concept Maturity Level of the Servicing Architecture for Habitable Worlds Observer |
401 |
Jonathan W. Arenberg |
| Japan's Possible Contributions for Coronagraph of the Habitable Worlds Observatory (HWO) |
409 |
Keigo Enya,
Kenta Yoneta,
Naoshi Murakami,
Jun Nishikawa,
Satoshi Itoh,
Taro Matsuo,
Reiki Kojima,
Takayuki Kotani,
Olivier Guyon,
Takahiro Sumi,
Satoshi Miyazaki,
Toru Yamada,
Aoi Takahashi,
Hajime Kawahara,
Shota Miyazaki,
Iona Kondo,
Nana Higashio,
Noriko Yamasaki,
Masayuki Kuzuhara,
Motohide Tamura,
Masahiro Ikoma,
Norio Narita,
and Julien Lozi |
| Review on Keplerian Recombination Algorithms: Unlocking HWO’s Potential to Detect Earth-like Exoplanets Around Nearby Stars |
415 |
H. Le Coroller, M. Nowak, N. C. Hara, J. B. Ruffio, M. McElwain, D. Mawet, M. Ould-Elhkim, B. Nemati, E. Choquet, A. Vigan, P. Defois, J. Dejonghe, S. Perruchot |
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