Stellar Spectroscopy - Exoplanets - Galactic Archaeology
First author:
Jhon Yana Galarza, Thiago Ferreira, Henrique Reggiani, Diego Lorenzo-Oliveira, et al. 2025, 'HIP 8522: A Puzzling Young Solar Twin with the Lowest Detected Lithium', ApJ, 983, 70, arXiv:2410.17590
Jhon Yana Galarza, Henrique Reggiani, Thiago Ferreira, Diego Lorenzo-Oliveira, et al. 2024, 'Detailed abundances of the planet-hosting TOI-1173 A/B system: Possible evidence of planet engulfment in a very wide binary', ApJ, 974, 122, arXiv:2407.20949
Jhon Yana Galarza, Thiago Ferreira, Diego Lorenzo-Oliveira, Simon Joshua, et al. 2024, 'TOI-1173 A b: The First Inflated Super-Neptune in a Wide Binary System', AJ, 168, 91G, arXiv:2403.06240
Jhon Yana Galarza, Ricardo López-Valdivia, Jorge Meléndez, and Diego Lorenzo-Oliveira 2021. 'Evidence of Rocky Planet Engulfment in the Wide Binary System HIP 71726/HIP 71737', ApJ, 922, 129G, arXiv:2109.00679
Jhon Yana Galarza, Ricardo López-Valdivia, Diego Lorenzo-Oliveira, Henrique Reggiani, et al. 2021, 'Searching for new solar twins: The Inti survey for the Northern Sky', MNRAS 504, 1873–1887, arXiv:2104.02806
Jhon Yana Galarza, Jorge Meléndez, Amanda I. Karakas, et al. 2021, 'Explosive nucleosynthesis of a metal-deficient star as the source of a distinct odd-even effect in the solar twin HIP 11915', MNRAS 502, L104–L109, arXiv:2101.10182
Jhon Yana Galarza, Jorge Meléndez, Diego Lorenzo-Oliveira, Adriana Valio, et al. 2019, 'The effect of stellar activity on the spectroscopic stellar parameters of the young solar twin HIP 36515', MNRAS 490, L86–L90, arXiv:1910.01040
Jhon Yana Galarza, Jorge Meléndez, and Judith G. Cohen 2016, 'Serendipitous discovery of the faint solar twin Inti 1', A&A 589, A65, arXiv:1603.01245
Jhon Yana Galarza, Jorge Meléndez, Ivan Ramírez, David Yong, et al. 2016, 'High-precision analysis of the solar twin HIP 100963', A&A 589, A17, arXiv:1602.08008
Second author:
Henrique Reggiani, Jhon Yana Galarza, et al. 2024, 'Constraining Extra Mixing during the Main Sequence: What Depletes Lithium Does Not Touch Beryllium', ApJ,984, 108, arXiv:2408.10999
Matias Flores, Jhon Yana Galarza, et al. 2024, 'Elemental abundance differences in the massive planet-hosting wide binary HD 196067−68', MNRAS 527, 10016–10024, arXiv:2311.17272
Henrique Reggiani, Jhon Yana Galarza, et al. 2024, 'Insight into the Formation of β Pic b through the Composition of Its Parent Protoplanetary Disk as Revealed by the β Pic Moving Group Member HD 181327', AJ, 167, 45R, arXiv:2311.12210
Second author (student-led project under my supervision)
Isabelle Winnick, Jhon Yana Galarza, et al. 2025, 'Extreme Lithium Depletion in Solar Twins: Challenging Non-Standard Mixing Models', submitted to the Astrophysical Journal, arXiv:2508.16513
Nth-author:
Emiliano Jofré et al. [including Jhon Yana Galarza] 2025, 'Detailed spectroscopic and photometric analysis of the remarkable planet-hosting wide binary system HD 202772A/B', MNRAS, 544, 3994–4013, arXiv:2511.01595
Paula Miquelarena et al. [including Jhon Yana Galarza] 2024, 'The largest metallicity difference in twin systems: High-precision abundance analysis of the benchmark pair Krios and Kronos', A&A, 688, A73, arXiv:2406.06705
Terese T. Hansen et al. [including Jhon Yana Galarza] 2024, 'Chemical Diversity on Small Scales: Abundance Analysis of the Tucana V Ultrafaint Dwarf Galaxy', ApJ, 968, 21H, arXiv:2403.13060
Carlos Saffe et al. [including Jhon Yana Galarza] 2024, 'Disentangling the origin of chemical differences using GHOST', A&A 682, L23, arXiv:2402.09278
Henrique Reggiani et al. [including Jhon Yana Galarza] 2022, 'The Chemical Composition of Extreme-velocity Stars', AJ, 163, 252R, arXiv:2203.16364
Yuri Netto et al. [including Jhon Yana Galarza] 2021, 'Radial-velocity Precision of ESPRESSO Through the Analysis of the Solar Twin HIP 11915', AJ, 162, 160, arXiv:2108.04061
Matias Flores et al. [including Jhon Yana Galarza] 2021, 'Detecting prolonged activity minima in binary stars. The case of ζ2 Reticuli', A&A, 645L, 6F, arXiv:2012.08983
Do Nascimento et al. [including Jhon Yana Galarza] 2020, 'Rotation of Solar Analogs Crossmatching Kepler and Gaia DR2', ApJ, 898, 173D, arXiv:2006.06204
Diego Lorenzo-Oliveira et al. [including Jhon Yana Galarza] 2020, 'The ancient main-sequence solar proxy HIP 102152 unveils the activity and rotational fate of our Sun', MNRAS, 495L, 61L, arXiv:2003.13871
Lorenzo Spina et al. [including Jhon Yana Galarza] 2020, 'How Magnetic Activity Alters What We Learn from Stellar Spectra', ApJ, 895, 52S, arXiv:2004.09771
Luca Sbordone et al. [including Jhon Yana Galarza] 2020, 'A high-resolution, high S/N, optical HARPS public spectrum of Betelgeuse during minimum', The Astronomer's Telegram, ATel13525,1S
Diego Lorenzo-Oliveira et al. [including Jhon Yana Galarza] 2019, 'Constraining the evolution of stellar rotation using solar twins', MNRAS, 485L, 68L, arXiv:1903.02630
Marilia Carlos et al. [including Jhon Yana Galarza] 2019, 'The Li–age correlation: the Sun is unusually Li deficient for its age', MNRAS, 485, 4052–4059, arXiv:1903.02735
Rafael Botelho et al. [including Jhon Yana Galarza] 2019, 'Thorium in solar twins: implications for habitability in rocky planets', MNRAS, 482, 1690–1700, arXiv:1810.10413
Jorge Meléndez, et al. [including Jhon Yana Galarza] 2017, 'The Solar Twin Planet Search. V. Close-in, low-mass planet candidates and evidence of planet accretion in the solar twin HIP 68468', A&A 597, A34, arXiv:1610.09067
Sarah Shandera et al. [including Jhon Yana Galarza] 2013, 'Number counts and non-Gaussianity', Phys. Rev. D 88, 103506, arXiv:1211.7361