NE
Nestor Espinoza
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAExoplanetsGene Expression Regulationphysics.space-ph
On Valency
published · living versionsW_we2hvf4g·v1 · currentpublished
Systematic Slopes in NIRSpec BOTS Observations
with Munazza K. Alam, Leonardo Ubeda, Sophie von Coelln, Ceiligh Cacho-Nagrete
1 version
W_x4ej2wk4·v1published
Preprints & journals
211 papers in the corpus · 2004–2026The Pandora SmallSat: Target Selection and Early Science2610.30028v1 · Emily A. Gilbert, Elisa V. Quintana, Jessie L. Dotson et al.2026 · 0 citationsarXivon Valency
The Pandora SmallSat: post-launch operations and mission update2610.30372v1 · Trevor O. Foote, Elisa V. Quintana, Jessie L. Dotson et al.2026 · 0 citationsarXiv
JWST NIRSpec G395H Transmission Spectra of Two Similar Sub-Neptunes in the TOI-125 System2609.35607v1 · Yiwei Chai, N'estor Espinoza, Chloe Fisher et al.2026 · 0 citationsarXiv
Hot Rocks Survey VI: An anomalously hot dayside for the rocky planet GJ 357 b2609.30552v1 · Merlin Zgraggen, Brice-Olivier Demory, Hannah Diamond-Lowe et al.2026 · 0 citationsarXiv
JWST MEP - A World Under Spotty Starlight: Detection of CO2 and H2O in the Hot Saturn WASP-52b with JWST NIRSpec G395H2609.21810v1 · JWST GO 3969 Team: Yanbo Pan, Ryan J. MacDonald, N'estor Espinoza et al.2026 · 0 citationsarXiv
A Multi-instrument Generalized Lomb-Scargle Periodogram Implementation2608.20436v1 · Giulia Martos, N'estor Espinoza, Jorge Mel'endez2026 · 0 citationsGiulia Martos et al 2026 Res. Notes AAS 10 241
Breaking the brightness barrier: JWST/NIRCam DHS spectroscopy for high-precision time-series observations2608.04109v1 · Achrene Dyrek, John Stansberry, Louis E. Bergeron et al.2026 · 0 citationsProceedings Volume 14145, 2026
JWST Transmission Spectroscopy of TOI-3235 b: Challenges in Constraining Giant Planet Atmospheres Around M Dwarfs Amid Stellar Contamination2608.04194v1 · Zoe Ko, N'estor Espinoza, Andr'es Jord'an et al.2026 · 0 citationsarXiv
A distant brown dwarf coplanar to a warm Jupiter and a hot super-Earth.42310114 · Jones, Matías I, Naponiello, Luca, Trifonov, Trifon et al.2026 · 1 citationNature. 2026;654(8119):614-618
Hot Rocks Survey V: Secondary Eclipse Photometry of GJ 3473 b with JWST/MIRI2604.02332v1 · M\aans Holmberg, Hannah Diamond-Lowe, Joao M. Mendonca et al.2026 · 1 citationarXiv
A Warm Massive Pair of Planets around TOI-1232 Revealed with Transit-timing Variations and Doppler Spectroscopy2603.18395v1 · Deyan P. Mihaylov, Jan Eberhardt, Trifon Trifonov et al.2026 · 0 citationsDeyan P. Mihaylov et al 2026 AJ 171 173
PLATOSpec's first results: Three new transiting warm Jupiters from the WINE survey TIC 147027702, TIC 245076932 and TIC 874220712602.20654v1 · Pavol Gajdos, Rafael Brahm, Lorena Acuna-Aguirre et al.2026 · 0 citationsA&A 708, A189 (2026)
Two warm sub-Saturn mass planets identified from the TESS Full Frame Images2602.16646v1 · Felipe I. Rojas, Rafael Brahm, Andr'es Jord'an et al.2026 · 0 citationsarXiv
TIC65910228b: A single-transit discovery of a massive long-period warm Jupiter with TESS2602.13125v1 · Felipe I. Rojas, Rafael Brahm, Mat'ias I. Jones et al.2026 · 0 citationsarXiv
Charge Migration and Residual Non-Linearity in NIRSpec BOTS Observations2601.04255v1 · Munazza K. Alam, Leonardo Ubeda, Qinyan (Apple) Lu et al.2026 · 0 citationsarXiv
JWST NIRSpec finds no clear signs of an atmosphere on TOI-1685 b2512.15338v2 · Chloe E. Fisher, Matthew J. Hooton, Am'elie Gressier et al.2025 · 3 citationsarXiv
JWST TRAPPIST-1 e/b Program: Motivation and first observations2512.07695v1 · Natalie H. Allen, N'estor Espinoza, V. A. Boehm et al.2025 · 8 citationsarXiv
A Compact Multi-Planet System of Three Transiting Giant Planets Around TIC1187980352510.19162v1 · Rafael Brahm, Trifon Trifonov, Andr'es Jord'an et al.2025 · 2 citationsarXiv
A transiting hot Jupiter with two outer siblings orbiting an intermediate-mass post main-sequence star2509.26430v1 · Y. Reinarz, M. I. Jones, R. Brahm et al.2025 · 0 citationsarXiv
A Cold and Super-Puffy Planet on a Prograde Orbit2510.00102v3 · Juan I. Espinoza-Retamal, Rafael Brahm, Cristobal Petrovich et al.2025 · 2 citationsarXiv
Limb Asymmetries on WASP-39b: A Multi-GCM Comparison of Chemistry, Clouds, and Hazes2509.21588v2 · Maria E. Steinrueck, Arjun B. Savel, Duncan A. Christie et al.2025 · 1 citationarXiv
JWST-TST DREAMS: Sulfur dioxide in the atmosphere of the Neptune-mass planet HAT-P-26 b from NIRSpec G395H transmission spectroscopy2509.16082v1 · Am'elie Gressier, Natasha E. Batalha, Nicholas Wogan et al.2025 · 16 citationsarXiv
Detection and characterisation of a 106-day transiting Jupiter : TOI-2449 b / NGTS-36 b2509.15424v1 · S. Ulmer-Moll, S. Gill, R. Brahm et al.2025 · 3 citationsA&A 703, A258 (2025)
Empirical Modeling of Zodiacal Backgrounds to Improve JWST NIRISS/SOSS Data Reduction2509.08870v1 · Tyler Baines, Aarynn Carter, N'estor Espinoza et al.2025 · 0 citationsarXiv
JWST-TST DREAMS: Secondary Atmosphere Constraints for the Habitable Zone Planet TRAPPIST-1 e2509.05407v1 · Ana Glidden, Sukrit Ranjan, Sara Seager et al.2025 · 24 citationsarXiv
JWST-TST DREAMS: NIRSpec/PRISM Transmission Spectroscopy of the Habitable Zone Planet TRAPPIST-1 e2509.05414v1 · N'estor Espinoza, Natalie H. Allen, Ana Glidden et al.2025 · 26 citationsarXiv
Hot Rocks Survey IV: Emission from LTT 3780 b is consistent with a bare rock2508.14210v1 · Natalie H. Allen, N'estor Espinoza, Hannah Diamond-Lowe et al.2025 · 15 citationsarXiv
Hot Rocks Survey III: A deep eclipse for LHS 1140c and a new Gaussian process method to account for correlated noise in individual pixels2505.22186v2 · Mark Fortune, Neale P. Gibson, Hannah Diamond-Lowe et al.2025 · 21 citationsA&A 701, A25 (2025)
Highlights from Exoplanet Observations by the James Webb Space Telescope2505.20520v1 · N'estor Espinoza, Marshall D. Perrin2025 · 7 citationsarXiv
Effects of Jump Detection and Ramp Fitting Algorithms on NIRISS/SOSS Exoplanet Time-Series Observations2505.05571v1 · Aarynn Carter, N'estor Espinoza, Loic Albert et al.2025 · 0 citationsarXiv
Hot Rocks Survey II: The thermal emission of TOI-1468 b reveals a hot bare rock2503.19772v1 · E.A. Meier Vald'es, B.-O. Demory, H. Diamond-Lowe et al.2025 · 24 citationsA&A 698, A68 (2025)
Refractory and Volatile Species in the UV-to-IR Transmission Spectrum of Ultra-hot Jupiter WASP-178b with HST and JWST2503.15472v1 · Joshua D. Lothringer, Katherine A. Bennett, David K. Sing et al.2025 · 10 citationsarXiv
Tracing the Winds: A Uniform Interpretation of Helium Escape in Exoplanets from Archival Spectroscopic Observations2501.03998v2 · Patrick McCreery, Leonardo A. Dos Santos, N'estor Espinoza et al.2025 · 12 citationsarXiv
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS2412.08527v1 · N. Heidari, G. H'ebrard, E. Martioli et al.2024 · 12 citationsA&A 694, A36 (2025)
TOI-4504: Exceptionally large Transit Timing Variations induced by two resonant warm gas giants in a three planet system2412.05609v1 · Michaela V'itkov'a, Rafael Brahm, Trifon Trifonov et al.2024 · 11 citationsarXiv
JWST-TST DREAMS: A Precise Water Abundance for Hot Jupiter WASP-17b from the NIRISS SOSS Transmission Spectrum2412.03675v2 · Dana R. Louie, Elijah Mullens, Lili Alderson et al.2024 · 22 citationsarXiv
Three Warm Jupiters orbiting TOI-6628, TOI-3837, TOI-5027 and one sub-Saturn orbiting TOI-23282412.02069v1 · Marcelo Tala Pinto, Andr'es Jord'an, Lorena Acuna et al.2024 · 9 citationsA&A 694, A268 (2025)
Discovery and Characterization of an Eccentric, Warm Saturn Transiting the Solar Analog TOI-49942412.02769v1 · Romy Rodriguez Martinez, Jason D. Eastman, Karen Collins et al.2024 · 3 citationsarXiv
Hot Rocks Survey I : A possible shallow eclipse for LHS 1478 b2410.11048v2 · Prune C. August, Lars A. Buchhave, Hannah Diamond-Lowe et al.2024 · 34 citationsA&A 695, A171 (2025)
JWST-TST DREAMS: Non-Uniform Dayside Emission for WASP-17b from MIRI/LRS2410.08148v1 · Daniel Valentine, Hannah R. Wakeford, Ryan C. Challener et al.2024 · 12 citationsThe Astronomical Journal, 168:123 (21pp), 2024 September
JWST-TST DREAMS: A Super-Solar Metallicity in WASP-17 b Dayside Atmosphere from NIRISS SOSS Eclipse Spectroscopy2410.08149v1 · Am'elie Gressier, Ryan J. MacDonald, N'estor Espinoza et al.2024 · 0 citationsarXiv
Updated forecast for TRAPPIST-1 times of transit for all seven exoplanets incorporating JWST data2409.11620v1 · Eric Agol, Natalie H. Allen, Bjorn Benneke et al.2024 · 3 citationsarXiv
Atmospheric retrievals suggest the presence of a secondary atmosphere and possible sulfur species on L 98-59 d from JWST NIRSpec G395H transmission spectroscopy2408.15707v1 · Agnibha Banerjee, Joanna K. Barstow, Am'elie Gressier et al.2024 · 45 citationsarXiv
Hints of a sulfur-rich atmosphere around the 1.6 R Super-Earth L98-59 d from JWST NIRSpec G395H transmission spectroscopy2408.15855v1 · Am'elie Gressier, N'estor Espinoza, Natalie H. Allen et al.2024 · 50 citationsarXiv
Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b2408.05612v1 · Ilaria Carleo, Oscar Barr'agan, Carina M. Persson et al.2024 · 2 citationsarXiv
Toward Exoplanet Transit Spectroscopy Using JWST/MIRI's Medium Resolution Spectrometer2407.15937v1 · Drake Deming, Guangwei Fu, Jeroen Bouwman et al.2024 · 5 citationsarXiv
A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b2407.13893v1 · A. L. Carter, E. M. May, N. Espinoza et al.2024 · 65 citationsarXiv
Inhomogeneous terminators on the exoplanet WASP-39 b.39009005 · Espinoza, Néstor, Steinrueck, Maria E, Kirk, James et al.2024 · 48 citationsNature. 2024;632(8027):1017-1020
Latitudinal Asymmetry in the Dayside Atmosphere of WASP-43b2406.10207v1 · Ryan C. Challener, Zafar Rustamkulov, Elspeth K.H. Lee et al.2024 · 8 citationsarXiv
HST SHEL: Enabling Comparative Exoplanetology with HST/STIS2405.20361v1 · Natalie H. Allen, David K. Sing, N'estor Espinoza et al.2024 · 2 citationsarXiv
Career total: at least 430 works. 211 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.