PN
Prajwal Niraula
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.COphysics.atom-phphysics.chem-ph
On Valency
published · living versionsW_jbs2xsrs·v1 · currentpublished
Magnetic Activity as a Driver of Low-gravity-like Spectral Morphology in Late-M Dwarfs
with Chia-Lung Lin, Daniel Apai, Benjamin V. Rackham, Mark S. Giampapa +5
1 version
Preprints & journals
57 papers in the corpus · 2015–2026Leveraging Impact Parameter to Mitigate the Transit Light Source Effect: Early Insights from TRAPPIST-12608.20450v2 · Ana Glidden, Alexander I. Shapiro, Sara Seager et al.2026 · 0 citationsAna Glidden et al 2026 ApJL 1008 L48
Mapping Stellar Heterogeneities with the Nautilus Space Observatory2606.30706v1 · Adina D. Feinstein, Jeff Valenti, Julien de Wit et al.2026 · 0 citationsarXiv
Nautilus: Fast Time-Resolved Spectroscopy of GKM Stellar Flares and Their Implications for Planetary Habitability2606.26462v1 · Chia-Lung Lin, Adina D. Feinstein, Jeff Valenti et al.2026 · 0 citationsarXiv
Unlocking HST's Stellar Treasure Trove: Stellar Activity Minima for HAT-P-11 Offer Prime Windows for Transmission Spectroscopy2603.24585v2 · Prajwal Niraula, Benjamin V. Rackham, Julien de Wit et al.2026 · 0 citationsarXiv
TOI-7166 b: A Habitable Zone mini-Neptune planet around a nearby low-mass star2512.06841v1 · Khalid Barkaoui, Francisco J. Pozuelos, Benjamin V. Rackham et al.2025 · 2 citationsMonthly Notices of the Royal Astronomical Society, 2025, Volume 544, Issue 2, pp. 2637-2652, 16 pp
Comprehensive Ab Initio Quantum Computations of CO-H and CO-He Collisional Properties2510.03327v2 · Prajwal Niraula, Laurent Wiesenfeld, Nejmeddine Jaidane et al.2025 · 1 citationarXiv
Combined Exoplanet Mass and Atmospheric Characterization for Accelerated Exoplanetology2509.25323v1 · Julien de Wit, Sara Seager, Prajwal Niraula2025 · 1 citationarXiv
Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-22672508.14176v2 · S. Z'uniga-Fern'andez, F. J. Pozuelos, M. D'evora-Pajares et al.2025 · 11 citationsA&A 702, A85 (2025)
Helium Atmospheres May Hide in Current Exoplanet Analysis Frameworks2506.22537v2 · Julien de Wit, Aaron Householder, Prajwal Niraula2025 · 1 citationApJL 996 L23 2026
The Detection-vs-Retrieval Challenge: Titan as an Exoplanet2506.12144v3 · Prajwal Niraula, Julien de Wit, Robert Hargreaves et al.2025 · 5 citationsApJL, 2025
TOI-6508b: A massive transiting brown dwarf orbiting a low-mass star2502.19940v1 · K. Barkaoui, D. Sebastian, S. Z'uniga-Fern'andez et al.2025 · 0 citationsarXiv
TOI-2015b: a sub-Neptune in strong gravitational interaction with an outer non-transiting planet2502.07074v1 · K. Barkaoui, J. Korth, E. Gaidos et al.2025 · 0 citationsarXiv
Reliable Transmission Spectrum Extraction with a Three-Parameter Limb Darkening Law2410.18617v1 · Rosa E. Keers, Alexander I. Shapiro, Nadiia M. Kostogryz et al.2024 · 7 citationsarXiv
Ab initio quantum dynamics as a scalable solution to the exoplanet opacity challenge: A case study of CO in hydrogen atmosphere2409.04439v3 · Laurent Wiesenfeld, Prajwal Niraula, Julien de Wit et al.2024 · 10 citationsApJ, March 2025
Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-32406.00794v1 · Michael Gillon, Peter P. Pedersen, Benjamin V. Rackham et al.2024 · 16 citationsarXiv
A roadmap for the atmospheric characterization of terrestrial exoplanets with JWST2310.15895v3 · TRAPPIST-1 JWST Community Initiative: Julien de Wit, Ren'e Doyon, Benjamin V. Rackham et al.2023 · 37 citationsNature Astronomy (2024) 8, 810-818
Atmospheric carbon depletion as a tracer of water oceans and biomass on temperate terrestrial exoplanets2310.14987v2 · Amaury H.M.J. Triaud, Julien de Wit, Frieder Klein et al.2023 · 17 citationsNat Astron (2023)
An extended low-density atmosphere around the Jupiter-sized planet WASP-193 b2307.08350v2 · Khalid Barkaoui, Francisco J. Pozuelos, Coel Hellier et al.2023 · 6 citationsarXiv
TOI-2084 b and TOI-4184 b: two new sub-Neptunes around M dwarf stars2306.15095v1 · K. Barkaoui, M. Timmermans, A. Soubkiou et al.2023 · 16 citationsarXiv
A 1.55 R habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole2305.06206v1 · Georgina Dransfield, Mathilde Timmermans, Amaury H.M.J. Triaud et al.2023 · 34 citationsarXiv
A super-Earth and a mini-Neptune near the 2:1 MMR straddling the radius valley around the nearby mid-M dwarf TOI-20962303.08174v1 · F. J. Pozuelos, M. Timmermans, B. V. Rackham et al.2023 · 34 citationsA&A 672, A70 (2023)
Origin and extent of the opacity challenge for atmospheric retrievals of WASP-39 b2303.03383v2 · Prajwal Niraula, Julien de Wit, Iouli E. Gordon et al.2023 · 23 citationsarXiv
Precise near-infrared photometry, accounting for precipitable water vapour at SPECULOOS Southern Observatory2211.00156v1 · Peter P. Pedersen, C. A. Murray, D. Queloz et al.2022 · 4 citationsarXiv
SPECULOOS Northern Observatory: searching for red worlds in the northern skies2209.09112v2 · Artem Y. Burdanov, Julien de Wit, Michael Gillon et al.2022 · 34 citationsarXiv
The Impending Opacity Challenge in Exoplanet Atmospheric Characterization2209.07464v1 · Prajwal Niraula, Julien de Wit, Iouli E. Gordon et al.2022 · 48 citationsNature Astronomy, Sept 15, 2022
Two temperate super-Earths transiting a nearby late-type M dwarf2209.02831v1 · L. Delrez, C. A. Murray, F. J. Pozuelos et al.2022 · 64 citationsarXiv
A Study of Flares in the Ultra-Cool Regime from SPECULOOS-South2204.10417v1 · C. A. Murray, D. Queloz, M. Gillon et al.2022 · 28 citationsarXiv
Revisiting Kepler Transiting Systems: Unvetting Planets and Constraining Relationships among Harmonics in Phase Curves2203.07312v1 · Prajwal Niraula, Avi Shporer, Ian Wong et al.2022 · 5 citationsarXiv
TESS discovery of a sub-Neptune orbiting a mid-M dwarf TOI-21362202.10024v1 · Tianjun Gan, Abderahmane Soubkiou, Sharon X. Wang et al.2022 · 20 citationsarXiv
TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf2111.01749v1 · N. Schanche, F. J. Pozuelos, M. N. Gunther et al.2021 · 27 citationsA&A 657, A45 (2022)
A large sub-Neptune transiting the thick-disk M4V TOI-24062107.14125v1 · R.D. Wells, B.V. Rackham, N. Schanche et al.2021 · 37 citationsA&A 653, A97 (2021)
A transit timing variation observed for the long-period extremely low density exoplanet HIP 41378f2104.03159v2 · Edward M. Bryant, Daniel Bayliss, Alexandre Santerne et al.2021 · 26 citationsarXiv
The TESS Objects of Interest Catalog from the TESS Prime Mission2103.12538v2 · Natalia M. Guerrero, S. Seager, Chelsea X. Huang et al.2021 · 413 citationsarXiv
Development of the SPECULOOS exoplanet search project2101.10970v1 · D. Sebastian, P. P. Pedersen, C. A. Murray et al.2021 · 4 citationsProc. SPIE 11445, Ground-based and Airborne Telescopes VIII, 1144521 (13 December 2020)
A multi-wavelength look at the GJ 9827 system -- No evidence of extended atmospheres in GJ 9827 b and d from HST and CARMENES data2101.06277v1 · Ilaria Carleo, Allison Youngblood, Seth Redfield et al.2021 · 27 citationsarXiv
SPECULOOS -- Ultracool Dwarf Transit Survey: Target List and Strategy2011.02069v1 · D. Sebastian, M. Gillon, E. Ducrot et al.2020 · 108 citationsA&A 645, A100 (2021)
A super-Earth and a sub-Neptune orbiting the bright, quiet M3 dwarf TOI-12662009.04317v1 · B.-O. Demory, F.J. Pozuelos, Y. Gomez Maqueo Chew et al.2020 · 105 citationsA&A 642, A49 (2020)
K2-280b -- a low density warm sub-Saturn around a mildly evolved star2007.07939v1 · Grzegorz Nowak, Enric Palle, Davide Gandolfi et al.2020 · 8 citationsarXiv
Earth: a 3.14-day Earth-sized Planet from 's Kitchen Served Warm by the SPECULOOS Team2006.07308v3 · Prajwal Niraula, Julien de Wit, Benjamin V. Rackham et al.2020 · 8 citationsarXiv
The multi-planet system TOI-421 -- A warm Neptune and a super puffy mini-Neptune transiting a G9 V star in a visual binary2004.10095v3 · Ilaria Carleo, Davide Gandolfi, Oscar Barrag'an et al.2020 · 8 citations2020AJ....160..114C
HD 191939: Three Sub-Neptunes Transiting a Sun-like Star Only 54 pc Away2002.03958v2 · Mariona Badenas-Agusti, Maximilian N. Gunther, Tansu Daylan et al.2020 · 31 citationsarXiv
TOI-503: The first known brown dwarf-Am star binary from the TESS mission1909.07984v3 · J'an Subjak, Rishikesh Sharma, Theron W. Carmichael et al.2019 · 50 citationsarXiv
TESS observations of the WASP-121 b phase curve1909.03000v2 · Tansu Daylan, Maximilian N. Gunther, Thomas Mikal-Evans et al.2019 · 45 citationsarXiv
It takes two planets in resonance to tango around K2-1461907.11141v1 · Kristine W. F. Lam, Judith Korth, Kento Masuda et al.2019 · 21 citationsarXiv
Greening of the Brown Dwarf Desert. EPIC 212036875 b -- a 51 M object in a 5 day orbit around an F7 V star1906.05048v2 · Carina M. Persson, Szil'ard Csizmadia, Alexander J. Mustill et al.2019 · 35 citationsA&A 628, A64 (2019)
The Transiting Multi-planet System HD15337: Two Nearly Equal-mass Planets Straddling the Radius Gap1903.05623v3 · Davide Gandolfi, Luca Fossati, John H. Livingston et al.2019 · 48 citationsApJL, 876, L24 (2019)
Discovery of Six Optical Phase Curves with K21812.09227v2 · Prajwal Niraula, Seth Redfield, Julien de Wit et al.2018 · 6 citationsarXiv
Detection and characterization of an ultra-dense sub-Neptune planet orbiting the Sun-like star HD 1191301812.09242v1 · R. Luque, G. Nowak, E. Pall'e et al.2018 · 20 citationsA&A 623, A114 (2019)
HD219666b: A hot-Neptune from TESS Sector 11812.05881v3 · M. Esposito, D.J. Armstrong, D. Gandolfi et al.2018 · 43 citationsA&A 623, A165 (2019)
K2-140b and K2-180b - Characterization of a hot Jupiter and a mini-Neptune from the K2 mission1810.04601v2 · J. Korth, Sz. Csizmadia, D. Gandolfi et al.2018 · 24 citationsarXiv
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