REVEALing Signatures of Habitable Worlds Hidden by Stellar Activity

Informazioni relative al progetto

REVEAL

ID dell’accordo di sovvenzione: 101118581

DOI

10.3030/101118581

Data della firma CE 12 Gennaio 2024

Data di avvio 1 Aprile 2024

Data di completamento 31 Marzo 2030

Finanziato da

• European Research Council (ERC)

Costo totale

€ 6 831 455,50

Contributo UE

€ 6 831 455,00

Coordinato da

UNIVERSITAET GRAZ
Austria

CORDIS fornisce collegamenti ai risultati finali pubblici e alle pubblicazioni dei progetti ORIZZONTE.

I link ai risultati e alle pubblicazioni dei progetti del 7° PQ, così come i link ad alcuni tipi di risultati specifici come dataset e software, sono recuperati dinamicamente da .OpenAIRE .

Risultati finali

Data Management Plan (1)

Data Management Plan

Drafting of Data Management plan

Pubblicazioni

Peer reviewed articles (24)

First Calculations of Starspot Spectra Based on 3D Radiative Magnetohydrodynamics Simulations

Autori: H. N. Smitha, Alexander I. Shapiro, Veronika Witzke, Nadiia M. Kostogryz, Yvonne C. Unruh, Tanayveer S. Bhatia, Robert Cameron, Sara Seager, Sami K. Solanki
Pubblicato in: The Astrophysical Journal Letters, Numero 978, 2024, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AD9AAA

Modeling Helioseismic and Magnetic Imager observables for the study of solar oscillations

Autori: D. Fournier; N. Kostogryz; L. Gizon; J. Schou; V. Witzke; A.I. Shapiro; I. Milić
Pubblicato in: Astronomy and Astrophysics, 2025, ISSN 1432-0746
Editore: EDP Sciences
DOI: 10.1051/0004-6361/202556482

Detectability of Solar Rotation Period across Various Wavelengths

Autori: Valeriy Vasilyev, Timo Reinhold, Alexander I. Shapiro, Theodosios Chatzistergos, Natalie Krivova, Sami K. Solanki
Pubblicato in: The Astrophysical Journal Letters, Numero 980, 2025, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/ADB0B3

Sensitivity of Spectral Lines to Granulation: The Sun

Autori: K. Sowmya, A. I. Shapiro, V. Vasilyev, V. Witzke, A. Collier Cameron, S. K. Solanki
Pubblicato in: The Astrophysical Journal, Numero 1003, 2026, ISSN 0004-637X
Editore: American Astronomical Society
DOI: 10.3847/1538-4357/AE6102

The Detection-versus-retrieval Challenge: Titan as an Exoplanet

Autori: Prajwal Niraula, Julien de Wit, Robert J. Hargreaves, Iouli E. Gordon, Clara Sousa-Silva
Pubblicato in: The Astrophysical Journal Letters, Numero 995, 2025, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AE27C2

NASA’s Pandora SmallSat Mission: Simulating the Impact of Stellar Photospheric Heterogeneity and Its Correction

Autori: Benjamin V. Rackham, Aishwarya R. Iyer, Dániel Apai, Peter McGill, Yoav Rotman, Knicole D. Colón, Brett M. Morris, Emily A. Gilbert, Elisa V. Quintana, Jessie L. Dotson, Thomas Barclay, Pete Supsinskas, Jordan Karburn, Christina Hedges, Jason F. Rowe, David R. Ciardi, Jessie L. Christiansen, Trevor O. Foote, Thomas P. Greene, Kelsey Hoffman, Rae Holcomb, Aurora Y. Kesseli, Veselin B. Kostov, Nikole K. Lewis, James P. Mason, Gregory Mosby, Susan E. Mullally, Joshua E. Schlieder, Megan Weiner Mansfield, Luis Welbanks, Allison Youngblood
Pubblicato in: The Astronomical Journal, Numero 171, 2026, ISSN 0004-6256
Editore: American Astronomical Society
DOI: 10.3847/1538-3881/AE5F63

Helium Atmospheres May Hide in Current Exoplanet Analysis Frameworks

Autori: Julien de Wit, Aaron Householder, Prajwal Niraula
Pubblicato in: The Astrophysical Journal Letters, Numero 996, 2026, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AE2F5C

Flares on TRAPPIST-1 Reveal the Spectrum of Magnetic Features on Its Surface

Autori: Valeriy Vasilyev, Nadiia Kostogryz, Alexander I. Shapiro, Astrid M. Veronig, Benjamin V. Rackham, Christoph Schirninger, Julien de Wit, Ward Howard, Jeff Valenti, Adina D. Feinstein, Olivia Lim, Sara Seager, Laurent Gizon, Sami K. Solanki
Pubblicato in: The Astrophysical Journal Letters, Numero 989, 2025, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/ADF841

Synthetic disc-integrated absorption lines isolating stellar granulation for high-precision RV studies

Autori: Ginger Frame, Heather M Cegla, Cis Lagae, Veronika Witzke, Christopher Watson, Sergiy Shelyag, Vatsal Panwar, Michael L Palumbo, Alexander Shapiro
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 547, 2026, ISSN 0035-8711
Editore: Oxford University Press (OUP)
DOI: 10.1093/MNRAS/STAG418

Molecular Hydrogen Controls the Temperatures of Flares on TRAPPIST-1

Autori: A. I. Shapiro, N. Kostogryz, S. Seager, V. Witzke, J. de Wit, V. Vasilyev, Astrid M. Veronig, Cameron Robert, Peter Hardi, S. K. Solanki
Pubblicato in: The Astrophysical Journal Letters, Numero 998, 2026, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AE328B

Two temperate Earth- and Neptune-sized planets orbiting fully convective M dwarfs

Autori: Madison G Scott, Georgina Dransfield, Mathilde Timmermans, Amaury H M J Triaud, Benjamin V Rackham, Khalid Barkaoui, Adam J Burgasser, Karen A Collins, Michaël Gillon, Steve B Howell, Alan M Levine, Francisco J Pozuelos, Keivan G Stassun, Carl Ziegler, Yilen Gomez Maqueo Chew, Catherine A Clark, Yasmin Davis, Fatemeh Davoudi, Tansu Daylan, Brice-Olivier Demory, Dax Feliz, Akihiko Fukui, Maximilian N Günther, Emmanuël Jehin, Florian Lienhard, Andrew W Mann, Clàudia Janó Muñoz, Norio Narita, Peter P Pedersen, Richard P Schwarz, Avi Shporer, Abderahmane Soubkiou, Sebastián Zúñiga-Fernández
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 547, 2026, ISSN 0035-8711
Editore: Oxford University Press (OUP)
DOI: 10.1093/MNRAS/STAG070

Solar Variability in the Mg ii h and k Lines

Autori: K. Sowmya, M. Snow, A. I. Shapiro, N. A. Krivova, T. Chatzistergos, S. K. Solanki
Pubblicato in: The Astrophysical Journal, Numero 980, 2025, ISSN 0004-637X
Editore: American Astronomical Society
DOI: 10.3847/1538-4357/ADA6AF

The Effect of Stellar Magnetic Activity on Measurements of Morning and Evening Asymmetry of Planetary Terminator

Autori: N. Kostogryz, A. I. Shapiro, L. Carone, L. Gizon, Ch. Helling, S. Kiefer, S. Mercier, S. Seager, S. K. Solanki, Y. Unruh, J. de Wit, V. Witzke
Pubblicato in: The Astrophysical Journal Letters, Numero 989, 2025, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/ADF0FB

Deciphering transmission spectra by exploring the solar paradigm

Autori: N.-E. Nèmec, Ò. Porqueras-León, I. Ribas, A. I. Shapiro
Pubblicato in: Astronomy & Astrophysics, Numero 705, 2026, ISSN 0004-6361
Editore: EDP Sciences
DOI: 10.1051/0004-6361/202557325

Hubble’s Multiyear Search for Exospheres in the TRAPPIST-1 System Reveals Frequent Microflares

Autori: David Berardo, Julien de Wit, Michael Gillon, Ward S. Howard, Vincent Bourrier, Emeline Bolmont, Matthew W. Cotton, Florian Quatresooz, Léonie Hoerner, Artem Burdanov, Adam J. Burgasser, Brice-Olivier Demory, David Ehrenreich, Susan M. Lederer, Benjamin V. Rackham, Sara Seager, Amaury Triaud
Pubblicato in: The Astrophysical Journal Letters, Numero 998, 2026, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AE3F2B

Solar flares versus solar energetic particle events: Probabilistic projections to extreme events

Autori: Sergey Koldobskiy, Ilya Usoskin, Valeriy Vasilyev, Alexander I. Shapiro
Pubblicato in: Astronomy & Astrophysics, Numero 702, 2025, ISSN 0004-6361
Editore: EDP Sciences
DOI: 10.1051/0004-6361/202556069

Gravity-sensitive Spectral Indices in Ultracool Dwarfs: Investigating Correlations with Metallicity and Planet Occurrence Using SpeX and Fire Observations

Autori: Fatemeh Davoudi, Benjamin V. Rackham, Julien de Wit, Jan Toomlaid, Michaël Gillon, Amaury H. M. J. Triaud, Adam J. Burgasser, Christopher A. Theissen
Pubblicato in: The Astronomical Journal, Numero 170, 2025, ISSN 0004-6256
Editore: American Astronomical Society
DOI: 10.3847/1538-3881/ADF83F

Sun-like stars produce superflares roughly once per century

Autori: Valeriy Vasilyev, Timo Reinhold, Alexander I. Shapiro, Ilya Usoskin, Natalie A. Krivova, Hiroyuki Maehara, Yuta Notsu, Allan Sacha Brun, Sami K. Solanki, Laurent Gizon
Pubblicato in: Science, Numero 386, 2024, ISSN 0036-8075
Editore: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/SCIENCE.ADL5441

Why Observations at Mid-infrared Wavelengths Partially Mitigate M Dwarf Star Host Stellar Activity Contamination in Exoplanet Transmission Spectroscopy

Autori: Sara Seager, Alexander I. Shapiro
Pubblicato in: The Astrophysical Journal, Numero 970, 2024, ISSN 0004-637X
Editore: American Astronomical Society
DOI: 10.3847/1538-4357/AD509A

Stellar Models Also Limit Exoplanet Atmosphere Studies in Emission

Autori: Thomas J. Fauchez, Elsa Ducrot, Benjamin V. Rackham, Kevin B. Stevenson, L. C. Mayorga, Julien de Wit
Pubblicato in: The Astrophysical Journal, Numero 989, 2025, ISSN 0004-637X
Editore: American Astronomical Society
DOI: 10.3847/1538-4357/ADF068

Monthly Notices of the Royal Astronomical Society

Autori: Ginger Frame; Heather M Cegla; Veronika Witzke; Cis Lagae; Michael L Palumbo III; Sergiy Shelyag; Christopher Watson; Alexander Shapiro
Pubblicato in: Monthly Notices of the Royal Astronomical Society, 2025, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.48550/ARXIV.2504.17011

Simulations of facular magnetic fields on cool stars

Autori: Tanayveer Singh Bhatia, Robert H. Cameron, Sami K. Solanki, Damien F. Przybylski, Veronika Witzke, Alexander Shapiro, Nadiia Kostogryz
Pubblicato in: Astronomy & Astrophysics, Numero 706, 2026, ISSN 0004-6361
Editore: EDP Sciences
DOI: 10.1051/0004-6361/202555256

Overestimated Pressure Broadening Misleads Model Spectra in Cool M Dwarf Stars

Autori: Ana Glidden, Veronika Witzke, Alexander I. Shapiro, Sara Seager
Pubblicato in: The Astrophysical Journal Letters, Numero 997, 2026, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AE3137

Reliable Transmission Spectrum Extraction with a Three-parameter Limb-darkening Law

Autori: Rosa E. Keers, Alexander I. Shapiro, Nadiia M. Kostogryz, Ana Glidden, Prajwal Niraula, Benjamin V. Rackham, Sara Seager, Sami K. Solanki, Yvonne C. Unruh, Valeriy Vasilyev, Julien de Wit
Pubblicato in: The Astrophysical Journal Letters, Numero 977, 2024, ISSN 2041-8205
Editore: American Astronomical Society
DOI: 10.3847/2041-8213/AD8B51