IR
I. Ramírez
astro-ph.SRastro-ph.EPastro-phastro-ph.GAastro-ph.COastro-ph.IM
On Valency
published · living versionsW_snwmudhw·v1 · currentpublished
Detailed chemical compositions of the wide binary HD 80606/80607: revised stellar properties and constraints on planet formation
with F. Liu, D. Yong, M. Asplund, S. Feltzing +3
1 version
Preprints & journals
74 papers in the corpus · 2003–2021The peculiar chemical pattern of the WASP-160 binary system: signatures of planetary formation and evolution?2109.04590v1 · Emiliano Jofr'e, Romina Petrucci, Yilen G'omez Maqueo Chew et al.2021 · 15 citationsarXiv
Detailed chemical compositions of planet hosting stars: I. Exploration of possible planet signatures2005.09846v1 · F. Liu, D. Yong, M. Asplund et al.2020 · 43 citationsarXiv
Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-3911912.10278v2 · E. Jofr'e, J. M. Almenara, R. Petrucci et al.2019 · 7 citationsA&A 634, A29 (2020)
The chemical composition of HIP34407/HIP34426 and other twin-star comoving pairs1909.07460v1 · I. Ramirez, S. Khanal, S. J. Lichon et al.2019 · 50 citationsarXiv
The Li-age correlation: the Sun is unusually Li deficient for its age1903.02735v1 · M. Carlos, J. Melendez, L. Spina et al.2019 · 66 citationsarXiv
Constraining the evolution of stellar rotation using solar twins1903.02630v1 · Diego Lorenzo-Oliveira, Jorge Mel'endez, Jhon Yana Galarza et al.2019 · 46 citationsarXiv
Chemical (in)homogeneity and atomic diffusion in the open cluster M671902.11008v2 · F. Liu, M. Asplund, D. Yong et al.2019 · 69 citationsA&A 627, A117 (2019)
Thorium in solar twins: implications for habitability in rocky planets1810.10413v1 · Rafael B. Botelho, Andre de C. Milone, Jorge Melendez et al.2018 · 30 citationsarXiv
The Solar Twin Planet Search: The age - chromospheric activity relation1806.08014v1 · Diego Lorenzo-Oliveira, Fabr'icio C. Freitas, Jorge Mel'endez et al.2018 · 122 citationsA&A 619, A73 (2018)
Detailed chemical compositions of the wide binary HD 80606/80607: revised stellar properties and constraints on planet formation1802.09306v2 · F. Liu, D. Yong, M. Asplund et al.2018 · 38 citationsA&A 614, A138 (2018)on Valency
The Chemical Homogeneity of Sun-like Stars in the Solar Neighborhood1802.02576v2 · Megan Bedell, Jacob L. Bean, Jorge Melendez et al.2018 · 203 citationsarXiv
The temporal evolution of neutron-capture elements in the Galactic discs1711.03643v1 · Lorenzo Spina, Jorge Mel'endez, Amanda I. Karakas et al.2017 · 111 citationsarXiv
On the Iron Abundance Anomaly in K-dwarf and Hyades Stars1709.01244v1 · Patrick D. Aleo, Alexander C. Sobotka, Ivan Ramirez2017 · 15 citationsThe Astrophysical Journal 2017
Spectroscopic binaries in the Solar Twin Planet Search program: from substellar-mass to M dwarf companions1708.07465v1 · Leonardo A. dos Santos, Jorge Mel'endez, Megan Bedell et al.2017 · 20 citationsarXiv
Kepler-11 is a Solar Twin: Revising the Masses and Radii of Benchmark Planets Via Precise Stellar Characterization1611.06239v2 · Megan Bedell, Jacob L. Bean, Jorge Melendez et al.2016 · 27 citationsarXiv
Planet signatures in the chemical composition of Sun-like stars1611.04064v1 · Jorge Melendez, Ivan Ramirez2016 · 5 citationsarXiv
The Solar Twin Planet Search. V. Close-in, low-mass planet candidates and evidence of planet accretion in the solar twin HIP 684681610.09067v1 · Jorge Melendez, Megan Bedell, Jacob L. Bean et al.2016 · 59 citationsarXiv
How much can we trust high-resolution spectroscopic stellar chemical abundances?1609.09071v1 · S. Blanco-Cuaresma, T. Nordlander, U. Heiter et al.2016 · 3 citationsarXiv
How much can we trust high-resolution spectroscopic stellar atmospheric parameters?1609.08092v1 · S. Blanco-Cuaresma, T. Nordlander, U. Heiter et al.2016 · 5 citationsarXiv
The chemical compositions of solar twins in the open cluster M671608.03788v1 · F. Liu, M. Asplund, D. Yong et al.2016 · 83 citationsarXiv
The Solar Twin Planet Search: IV. The Sun as a typical rotator and evidence for a new rotational braking law for Sun-like stars1606.06214v1 · Leonardo A. dos Santos, Jorge Mel'endez, Jos'e-Dias do Nascimento Jr. et al.2016 · 60 citationsA&A 592, A156 (2016)
The nucleosynthetic history of elements in the Galactic disk: [X/Fe] - age relations from high-precision spectroscopy1606.04842v1 · L. Spina, J. Mel'endez, A. I. Karakas et al.2016 · 117 citationsA&A 593, A125 (2016)
The Solar Twin Planet Search III. The [Y/Mg] clock: estimating stellar ages of solar-type stars1604.05733v1 · M. Tucci Maia, I. Ram'irez, J. Mel'endez et al.2016 · 113 citationsA&A 590, A32 (2016)
High precision analysis of the solar twin HIP 1009631602.08008v2 · Jhon Yana Galarza, Jorge Mel'endez, Ivan Ram'irez et al.2016 · 38 citationsA&A 589, A17 (2016)
A 12-Year Activity Cycle for HD 2191341602.05200v1 · Marshall C. Johnson, Michael Endl, William D. Cochran et al.2016 · 29 citationsApJ, 821, 74 (2016)
The Hyades open cluster is chemically inhomogeneous1601.07354v2 · F. Liu, D. Yong, M.Asplund et al.2016 · 95 citationsMonthly Notices of the Royal Astronomical Society 2016 457 (4): 3934-3948
2MASS J18082002-5104378: The brightest (V=11.9) ultra metal-poor star1601.03462v1 · Jorge Melendez, Vinicius M. Placco, Marcelo Tucci-Maia et al.2016 · 30 citations2016 A&A 585, L5
The Curious Case of Elemental Abundance Differences in the Dual Hot Jupiter Hosts WASP-94AB1601.01731v1 · Johanna K. Teske, Carnegie Observatories, Sandhya Khanal (UT Austin) et al.2016 · 73 citationsarXiv
Two New Long-Period Giant Planets from the McDonald Observatory Planet Search and Two Stars with Long-Period Radial Velocity Signals Related to Stellar Activity Cycles1512.02965v1 · Michael Endl, Erik J. Brugamyer, William D. Cochran et al.2015 · 43 citationsarXiv
Planet signatures and effect of the chemical evolution of the Galactic thin-disk stars1511.01012v2 · Lorenzo Spina, Jorge Mel'endez, Ivan Ram'irez2015 · 73 citationsA&A 585, A152 (2016)
HIP 10725: The First Solar Twin/Analogue Field Blue Straggler1510.01793v1 · Lucas Schirbel, Jorge Melendez, Amanda I. Karakas et al.2015 · 16 citationsA&A 584, A116 (2015)
Discovery and Validation of Kepler-452b: A 1.6-Re Super Earth Exoplanet in the Habitable Zone of a G2 Star1507.06723v1 · Jon M. Jenkins, Joseph D. Twicken, Natalie M. Batalha et al.2015 · 165 citationsThe Astronomical Journal 150 : 56 (2015)
The Solar Twin Planet Search II. A Jupiter twin around a solar twin1507.03998v2 · M. Bedell, J. Melendez, J. L. Bean et al.2015 · 34 citationsA&A 581, A34 (2015)
The dissimilar chemical composition of the planet-hosting stars of the XO-2 binary system1506.01025v1 · I. Ramirez, S. Khanal, P.Aleo et al.2015 · 104 citationsarXiv
Stellar Chemical Abundances: In Pursuit of the Highest Achievable Precision1409.1230v1 · M. Bedell, J. Melendez, J. Bean et al.2014 · 116 citationsarXiv
The Solar Twin Planet Search. I. Fundamental parameters of the stellar sample1408.4130v1 · I. Ramirez, J. Melendez, J. Bean et al.2014 · 200 citationsA&A 572, A48 (2014)
18 Sco: a solar twin rich in refractory and neutron-capture elements. Implications for chemical tagging1406.5244v1 · J. Melendez, I. Ramirez, A. I. Karakas et al.2014 · 113 citationsarXiv
HIP 114328: a new refractory-poor and Li-poor solar twin1406.2385v1 · Jorge Melendez, Lucas Schirbel, TalaWanda R. Monroe et al.2014 · 42 citationsarXiv
A high precision chemical abundance analysis of the HAT-P-1 stellar binary: constraints on planet formation1404.2112v2 · F. Liu, M. Asplund, I. Ramirez et al.2014 · 79 citationsMonthly Notices of the Royal Astronomical Society: Letters 2014 442 (1): L51-L55
High Precision Abundances of the Old Solar Twin HIP 102152: Insights on Li Depletion from the Oldest Sun1308.5744v1 · TalaWanda R. Monroe, Jorge Mel'endez, Iv'an Ram'irez et al.2013 · 102 citationsarXiv
Oxygen abundances in low- and high-alpha field halo stars and the discovery of two field stars born in globular clusters1208.3675v1 · I. Ramirez, J. Melendez, J. Chaname2012 · 103 citationsarXiv
Lithium abundances in nearby FGK dwarf and subgiant stars: internal destruction, Galactic chemical evolution, and exoplanets1207.0499v1 · I. Ramirez, J. R. Fish, D. L. Lambert et al.2012 · 221 citationsarXiv
Precise Effective Temperatures of Solar Analog Stars1206.0750v1 · D. Cornejo, I. Ramirez, P. S. Barklem2012 · 0 citationsarXiv
The remarkable solar twin HIP 56948: a prime target in the quest for other Earths1204.2766v1 · Jorge Melendez, Maria Bergemann, Judith G. Cohen et al.2012 · 182 citationsarXiv
Fundamental Parameters and Chemical Composition of Arcturus1109.4425v1 · I. Ramirez, C. Allende Prieto2011 · 212 citationsarXiv
Elemental abundance differences in the 16 Cygni binary system: a signature of gas giant planet formation?1107.5814v1 · I. Ramirez, J. Melendez, D. Cornejo et al.2011 · 152 citationsarXiv
New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey1103.4651v2 · Luca Casagrande, Ralph Schoenrich, Martin Asplund et al.2011 · 881 citations2011, A&A, 530, A138
Granulation signatures in the spectrum of the very metal-poor red giant HD1225631011.4077v1 · I. Ramirez, R. Collet, D. L. Lambert et al.2010 · 22 citationsarXiv
A possible signature of terrestrial planet formation in the chemical composition of solar analogs1008.3161v1 · I. Ramirez, M. Asplund, P. Baumann et al.2010 · 93 citationsarXiv
Lithium depletion in solar-like stars: no planet connection1008.0575v1 · Patrick Baumann, Iv'an Ram'irez, Jorge Mel'endez et al.2010 · 166 citationsarXiv
Career total: 145 works. 74 are in this corpus.Showing the 50 most recent.
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