KS
Karl Stapelfeldt
astro-ph.EPastro-ph.SRastro-phastro-ph.IMastro-ph.GAExtraterrestrial Environmentastro-ph.COastro-ph.HEDirect imagingExobiology
On Valency
published · living versionsW_xay3jt5u·v1 · currentpublished
Exoplanet Biosignatures: Observational Prospects
with Yuka Fujii, Daniel Angerhausen, Russell Deitrick, Shawn Domagal-Goldman +7
1 version
W_jjtugjwr·v1published
Preprints & journals
177 papers in the corpus · 1989–2026JWST Imaging of Edge-on Protoplanetary Disks. V. Flux Ratio Reversal and Disk-edge Structure in the Flying Saucer2610.17136v1 · Jie Ma, Karl R. Stapelfeldt, Marion Villenave et al.2026 · 0 citationsarXiv
The Nancy Grace Roman Space Telescope Coronagraph Community Participation Program2609.18659v1 · Dmitry Savransky, Vanessa P. Bailey, Schuyler G. Wolff et al.2026 · 2 citationsD. Savransky et al. "The Nancy Grace Roman Space Telescope coronagraph community participation program", Proc. SPIE 13092, 2024
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems VIII: patchy forsterite and enstatite clouds in the atmosphere of VHS 1256 b, retrieval lessons learned and outlook to the future2608.06583v1 · Niall Whiteford, Jacqueline K. Faherty, Ben Burningham et al.2026 · 0 citationsarXiv
Observations of highly inclined disks with ALMA. Results from 12CO gas and continuum observations2604.11247v1 · Laurine Martinien, Gaspard Duchene, 'Alvaro Ribas et al.2026 · 1 citationA&A 710, A140 (2026)
The Habitable Worlds Observatory in Historical Context2602.14823v1 · Marc Postman, Karl Stapelfeldt2026 · 0 citationsarXiv
The Flying Saucer edge-on disc's Near Infrared silhouette revealed by the JWST JEDIce program2512.13503v1 · Emmanuel Dartois, Jennifer A. Noble, Jennifer B. Bergner et al.2025 · 3 citationsA&A 705, L14 (2026)
Keck Observations in the INfrared of Taurus and Oph Exoplanets And Ultracool dwarfs (KOINTREAU) I: A Planetary-Mass Companion and a Disk-Obscured Stellar Companion Discovered in Taurus2512.05191v1 · Samuel A. U. Walker, Michael C. Liu, Dimitri Mawet et al.2025 · 2 citationsarXiv
CoronaGraph Instrument Reference stars for Exoplanets (CorGI-REx) I. Preliminary Vetting and Implications for the Roman Coronagraph and Habitable Worlds Observatory2511.08862v1 · Justin Hom, Schuyler G. Wolff, Catherine A. Clark et al.2025 · 1 citationAJ 171 36 (2026)
Are We There Yet? Challenges in Quantifying the Frequency of Earth Analogs in the Habitable Zone2511.05660v1 · Rachel B. Fernandes, Samson Johnson, Galen J. Bergsten et al.2025 · 4 citationsarXiv
Variation of the disk thickness across ice bands: A method to determine ice abundances in highly inclined protoplanetary disks2510.11359v2 · Laurine Martinien, Gaspard Duchene, Francois M'enard et al.2025 · 2 citationsA&A 704, L17 (2025)
Hubble reveals complex multi-scale structure in the edge-on protoplanetary disk IRAS 23077+67072510.11819v2 · Kristina Monsch, Joshua B. Lovell, Karl R. Stapelfeldt et al.2025 · 0 citationsarXiv
NASA Exoplanet Exploration Program (ExEP) Science Gap List2507.18665v3 · Karl Stapelfeldt, Eric Mamajek2025 · 1 citationarXiv
Review and prospects of hot exozodiacal dust research for future exo-Earth direct imaging missions2504.00295v1 · Steve Ertel, Tim D. Pearce, John H. Debes et al.2025 · 6 citations2025PASP..137c1001E
The role of absorption and scattering in shaping ice bands. Spatially-resolved spectroscopy of protoplanetary disks2503.16223v1 · Laurine Martinien, Gaspard Duchene, Francois M'enard et al.2025 · 6 citationsA&A 696, L6 (2025)
Turbulence in protoplanetary disks: A systematic analysis of dust settling in 33 disks2503.05872v1 · M. Villenave, G. Rosotti, M. Lambrechts et al.2025 · 24 citationsarXiv
Cross-Model Validation of Coronagraphic Exposure Time Calculators for the Habitable Worlds Observatory: A Report from the Exoplanet Science Yield sub-Working Group2502.18556v1 · Christopher C. Stark, Sarah Steiger, Armen Tokadjian et al.2025 · 0 citationsarXiv
JWST Imaging of Edge-on Protoplanetary Disks. IV. Mid-infrared Dust Scattering in the HH 30 disk2412.07523v2 · Ryo Tazaki, Francois M'enard, Gaspard Duchene et al.2024 · 20 citationsarXiv
Resolving the Young 2 Cygni Run-away Star into a Binary using iLocater2412.06982v1 · Justin R. Crepp, Jonathan Crass, Andrew J. Bechter et al.2024 · 2 citationsarXiv
The Roman coronagraph community participation program: observation planning2411.17868v1 · Schuyler G. Wolff, Jason Wang, Karl Stapelfeldt et al.2024 · 6 citationsarXiv
The grazing angle icy protoplanetary disk PDS 4532411.04741v1 · Laurine Martinien, Francois M'enard, Gaspard Duchene et al.2024 · 6 citationsA&A 692, A111 (2024)
JWST imaging of edge-on protoplanetary disks. III. Drastic morphological transformation across the mid-infrared in Oph1631312410.00156v1 · Marion Villenave, Karl R. Stapelfeldt, Gaspard Duchene et al.2024 · 7 citationsarXiv
A Survey of Protoplanetary Disks Using the Keck/NIRC2 Vortex Coronagraph2408.04048v1 · Nicole L. Wallack, Jean-Baptiste Ruffio, Garreth Ruane et al.2024 · 10 citationsarXiv
MIRI MRS Observations of Beta Pictoris II. The Spectroscopic Case for a Recent Giant Collision2407.04661v1 · Christine H. Chen, Cicero X. Lu, Kadin Worthen et al.2024 · 18 citationsarXiv
Current laboratory performance of starlight suppression systems, and potential pathways to desired Habitable Worlds Observatory exoplanet science capabilities2404.18036v1 · Bertrand Mennesson, Ruslan Belikov, Emiel Por et al.2024 · 17 citationsarXiv
NASA Exoplanet Exploration Program (ExEP) Mission Star List for the Habitable Worlds Observatory (2023)2402.12414v1 · Eric Mamajek, Karl Stapelfeldt2024 · 15 citationsarXiv
Hubble Asteroid Hunter III. Physical properties of newly found asteroids2401.02605v1 · Pablo Garc'ia-Mart'in, Sandor Kruk, Marcel Popescu et al.2024 · 0 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems V: Do Self-Consistent Atmospheric Models Represent JWST Spectra? A Showcase With VHS 1256 b2312.03852v2 · Simon Petrus, Niall Whiteford, Polychronis Patapis et al.2023 · 1 citationarXiv
JWST imaging of edge-on protoplanetary disks II. Appearance of edge-on disks with a tilted inner region: case study of IRAS04302+22472311.07668v1 · M. Villenave, K. R. Stapelfeldt, G. Duchene et al.2023 · 33 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems IV: NIRISS Aperture Masking Interferometry Performance and Lessons Learned2310.11499v2 · Steph Sallum, Shrishmoy Ray, Jens Kammerer et al.2023 · 11 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems III: Aperture Masking Interferometric Observations of the star HIP 65426 at 3.8 um2310.11508v3 · Shrishmoy Ray, Steph Sallum, Sasha Hinkley et al.2023 · 0 citationsarXiv
The first scattered light images of HD 112810, a faint debris disk in the Sco-Cen association2309.15158v1 · Elisabeth C. Matthews, Mickael Bonnefoy, Chen Xie et al.2023 · 5 citationsA&A 679, A58 (2023)
JWST imaging of edge-on protoplanetary disks. I. Fully vertically mixed 10m grains in the outer regions of a 1000 au disk2309.07040v1 · G. Duchene, F. Menard, K. Stapelfeldt et al.2023 · 43 citationsarXiv
Large Interferometer For Exoplanets (LIFE). X. Detectability of currently known exoplanets and synergies with future IR/O/UV reflected-starlight imaging missions2308.09646v1 · 'Oscar Carri'on-Gonz'alez, Jens Kammerer, Daniel Angerhausen et al.2023 · 1 citationA&A 678, A96 (2023)
Demographics of Protoplanetary Disks: A Simulated Population of Edge-on Systems2302.04891v2 · Isabel Angelo, Gaspard Duchene, Karl Stapelfeldt et al.2023 · 13 citationsarXiv
Modest dust settling in the IRAS04302+2247 Class I protoplanetary disk2302.01949v1 · M. Villenave, L. Podio, G. Duchene et al.2023 · 37 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems: Best Practices for Data Collection in Cycle 2 and Beyond2301.07199v2 · Sasha Hinkley (Exeter), Beth Biller (Edinburgh), Andrew Skemer (UCSC) et al.2023 · 0 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 Micron Spectrum of the Planetary-Mass Companion VHS 1256-1257 b2209.00620v3 · Brittany E. Miles, Beth A. Biller, Polychronis Patapis et al.2022 · 182 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High Contrast Imaging of the Exoplanet HIP 65426 b from 2-16 m2208.14990v4 · Aarynn L. Carter, Sasha Hinkley, Jens Kammerer et al.2022 · 102 citationsarXiv
The JWST Early Release Science Program for the Direct Imaging & Spectroscopy of Exoplanetary Systems2205.12972v3 · Sasha Hinkley, Aarynn L. Carter, Shrishmoy Ray et al.2022 · 53 citationsarXiv
Trends in Silicates in the Pictoris Disk2205.09138v1 · Cicero X. Lu, Christine H. Chen, B. A. Sargent et al.2022 · 16 citationsarXiv
A Multi-Wavelength Study of the Highly Asymmetrical Debris Disk Around HD 1115202204.11759v2 · Katie A. Crotts, Zachary H. Draper, Brenda C. Matthews et al.2022 · 10 citationsarXiv
A highly settled disk around Oph 1631312204.00640v1 · M. Villenave, K. R. Stapelfeldt, G. Duchene et al.2022 · 140 citationsarXiv
Sensitivity of the Roman Coronagraph Instrument to Exozodiacal Dust2112.12804v1 · Ewan S Douglas, John Debes, Bertrand Mennesson et al.2021 · 13 citationsarXiv
Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability, and diversity.36915622 · Quanz, Sascha P, Absil, Olivier, Benz, Willy et al.2024 · 73 citationsExperimental astronomy. 2022;54(2-3):1197-1221
Circumbinary and circumstellar discs around the eccentric binary IRAS 04158+2805 -- a testbed for binary-disc interaction2107.13566v1 · Enrico Ragusa, Daniele Fasano, Claudia Toci et al.2021 · 31 citationsarXiv
High resolution ALMA and HST images of q Eri: an asymmetric debris disc with an eccentric Jupiter2106.05975v1 · J. B. Lovell, S. Marino, M. C. Wyatt et al.2021 · 38 citationsarXiv
A detailed characterization of HR 8799's debris disk with ALMA in Band 72104.02088v1 · Virginie Faramaz, Sebastian Marino, Mark Booth et al.2021 · 50 citationsarXiv
The HOSTS survey: evidence for an extended dust disk and constraints on the presence of giant planets in the Habitable Zone of Leo2103.03268v1 · D. Defrere, P.M. Hinz, G.M. Kennedy et al.2021 · 13 citationsarXiv
The Anatomy of an Unusual Edge-on Protoplanetary Disk I. Dust Settling in a Cold Disk2103.02665v1 · S. Wolff, G. Duchene, K. Stapelfeldt et al.2021 · 26 citationsarXiv
Observations of edge-on protoplanetary disks with ALMA I. Results from continuum data2008.06518v2 · M. Villenave, F. Menard, W. R. F. Dent et al.2020 · 190 citationsA&A 642, A164 (2020)
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