Publicações desde 2014

  • The nucleosynthetic history of elements in the Galactic disk: [X/Fe] - age relations from high-precision spectroscopy
    Lorenzo Spina, Jorge Melendez, Amanda Karakas, Ivan Ramírez, Tala Monroe, Martin Asplund, David Yong, 2016, A&A, in press.

  • The Solar Twin Planet Search IV. The Sun as a typical rotator and evidence for a new rotational braking law for Sun-like stars
    Leonardo A. dos Santos, Jorge Meléndez, José-Dias do Nascimento Jr., Megan Bedell, Iván Ramírez, Jacob L. Bean, Martin Asplund, Lorenzo Spina, Stefan Dreizler, Alan Alves-Brito, and Luca Casagrande, 2016, A&A, in press.

  • The Solar Twin Planet Search. III. The [Y/Mg] clock: estimating stellar ages of solar-type stars
    Marcelo Tucci Maia, Iván Ramírez, Jorge Meléndez, Megan Bedell, Jacob Bean and Martin Asplund, 2016 A&A, 590A, 32T

  • Serendipitous discovery of the faint solar twin Inti 1.
    Yana Galarza, Jhon; Melendez, Jorge; Cohen, Judith G., 2016, A&A, 589, A65

  • High-precision analysis of the solar twin HIP 100963.
    Yana Galarza, Jhon; Melendez, Jorge; Ramirez, Ivan; Yong, David; Karakas, Amanda I.; Asplund, Martin; Liu, Fan, 2016, A&A, 589, A17

  • The chemical composition of red giants in 47 Tucanae. II. Magnesium isotopes and pollution scenarios.
    Thygesen, A. O.; Sbordone, L.; Ludwig, H.-G.; Ventura, P.; Yong, D.; Collet, R.; Christlieb, N.; Melendez, J.; Zaggia, S., 2016, A&A, 588, A66

  • Correlation between lithium abundances and ages of solar twin stars
    Carlos, M., Nissen, P. E., & Meléndez, J. 2016, A&A, 587, A100

  • First high-precision differential abundance analysis of extremely metal-poor stars

    Henrique Reggiani, Jorge Meléndez, David Yong, Ivan Ramírez and Martin Asplund, 2016, A&A, 586, A67

  • Planet signatures and effect of the chemical evolution of the Galactic thin-disk stars
    Lorenzo Spina, Jorge Meléndez, Ivan Ramírez, 2016, A&A, 585, 152

  • 2MASS J18082002-5104378: The brightest (V = 11.9) ultra metal-poor star.
    Melendez, Jorge; Placco, Vinicius M.; Tucci-Maia, Marcelo; Ramirez, Ivan; Li, Ting S.; Perez, Gabriel, 2016, A&A, 585, L5

  • HIP 10725: The first solar twin/analogue field blue straggler

    Schirbel, Lucas; Meléndez, Jorge; Karakas, Amanda I. et al. 2015, A&A, 584, A116

  • GRACES observations of young [α/Fe]-rich stars. Yong, David; Casagrande, Luca; Venn, Kim A.; et al. 2016, MNRAS, 459, 487

  • The Hyades open cluster is chemically inhomogeneous.
    Liu, F.; Yong, D.; Asplund, M.; Ramirez, I.; Melendez, J., 2016, MNRAS, 457, 3934

  • The detailed chemical composition of the terrestrial planet host Kepler-10.
    Liu, F.; Yong, D.; Asplund, M.; Ramirez, I.; Melendez, J.; Gustafsson, B.; et al. 2016, MNRAS, 456, 2636

  • The Solar Twin Planet Search. II. A Jupiter twin around a solar twin.
    Bedell, M.; Melendez, J.; Bean, J. L. et al., 2015, A&A, 581, A34

  • Shallow extra mixing in solar twins inferred from Be abundances
    Marcelo Tucci Maia, Jorge Meléndez, Mathieu Castros, Martin Asplund, Iván Ramírez, Tala Monroe, José-Dias do Nascimento Jr., David Yong, 2015, A&A, 576L, 10T

  • The Dissimilar Chemical Composition of the Planet-hosting Stars of the XO-2 Binary System.
    Ramirez, I.; Khanal, S.; Aleo, P.; Sobotka, A.; Liu, F.; Casagrande, L.; Melendez, J.; Yong, D.; Lambert, D. L.; Asplund, M. 2015, ApJ, 808, 13

  • HIP 114328: a new refractory-poor and Li-poor solar twin

    Meléndez , Jorge; Schirbel, Lucas; Monroe, TalaWanda R. et al. 2014, A&A, 567, L3

  • The chemical composition of red giants in 47 Tucanae. I. Fundamental parameters and chemical abundance patterns.
    Thygesen, A. O.; Sbordone, L.; Andrievsky, S.; Korotin, S.; Yong, D.; Zaggia, S.; Ludwig, H.-G.; Collet, R.; Asplund, M.; Ventura, P.; D'Antona, F.; Melendez, J.; D'Ercole, A. 2014, Astronomy & Astrophysics, Volume 572, A108

  • The Solar Twin Planet Search. I. Fundamental parameters of the stellar sample.
    Ramirez, I.; Melendez, J.; Bean, J.; Asplund, M.; Bedell, M.; Monroe, T.; Casagrande, L.; Schirbel, L.; Dreizler, S.; Teske, J.; Tucci Maia, M.; Alves-Brito, A.; Baumann, P. 2014, Astronomy & Astrophysics, 572, A48

  • Stellar Chemical Abundances: In Pursuit of the Highest Achievable Precision.
    Bedell, Megan; Melendez, Jorge; Bean, Jacob L.; Ramirez, Ivan; Leite, Paulo; Asplund, Martin, 2014, ApJ, 795, 23

  • CUBES: cassegrain U-band Brazil-ESO spectrograph.
    Barbuy, B.; Bawden Macanhan, V.; Bristow, P.; Castilho, B.; Dekker, H.; Delabre, B.; Diaz, M.; Gneiding, C.; Kerber, F.; Kuntschner, H.; La Mura, G.; Maciel, W.; Melendez, J.; Pasquini, L.; Pereira, C. B.; Petitjean, P.; Reiss, R.; Siqueira-Mello, C.; Smiljanic, R.; Vernet, J. 2014, Astrophysics and Space Science, 354, 191

  • 18 Sco: A Solar Twin Rich in Refractory and Neutron-capture Elements. Implications for Chemical Tagging.
    Melendez, Jorge; Ramirez, Ivan; Karakas, Amanda I.; Yong, David; Monroe, TalaWanda R.; Bedell, Megan; Bergemann, Maria; Asplund, Martin; Tucci Maia, Marcelo; Bean, Jacob; do Nascimento, J. D., Bazot, M. Alves-Brito, A., Freitas, Fabricio C., Matthieu, C. 2014, ApJ, 791, 14

  • A high-precision chemical abundance analysis of the HAT-P-1 stellar binary: constraints on planet formation.
    F. Liu; M. Asplund; I. Ramirez; D. Yong; J. Melendez 2014, MNRAS Letters, 442, L51-L55

  • Chemical signatures of planets: beyond solar-twins.
    Ramirez, I.; Melendez, J.; Asplund, M. 2014, A&A, 561, A7

  • High Precision Abundances in the 16 Cyg Binary System: A Signature of the Rocky Core in the Giant Planet.
    Tucci Maia, Marcelo; Melendez, Jorge; Ramirez, Ivan. 2014, ApJ, 790, L25