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Pontificia Universidad Católica de Chile: Santiago, Región Metropolitana de Santiago, CL

Associate Professor (Institute of Astrophysics)
Employment
Source: Self-asserted source
Julio Chanamé

Works (50 of 55)

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Page 1 of 2

Theia 456: Tidally Shredding an Open Cluster

The Astronomical Journal
2024-11-01 | Journal article
DOI: 10.3847/1538-3881/ad6a15
Contributors: Kyle R. Tregoning; Jeff J. Andrews; Marcel A. Agüeros; Phillip A. Cargile; Julio Chanamé; Jason L. Curtis; Simon C. Schuler
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Crossref

Are lithium-rich giants binaries? A radial velocity variability analysis of 1400 giants

Astronomy & Astrophysics
2024-10 | Journal article
DOI: 10.1051/0004-6361/202349106
Contributors: Matias Castro-Tapia; Claudia Aguilera-Gómez; Julio Chanamé
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Crossref

The breakdown of current gyrochronology as evidenced by old coeval stars

Monthly Notices of the Royal Astronomical Society
2023-06-22 | Journal article
DOI: 10.1093/mnras/stad1803
Contributors: Joaquín Silva-Beyer; Diego Godoy-Rivera; Julio Chanamé
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Crossref

Substructure, supernovae, and a time-resolved star formation history for Upper Scorpius

Monthly Notices of the Royal Astronomical Society
2023-04-13 | Journal article
DOI: 10.1093/mnras/stad608
Contributors: Geovanny Briceño-Morales; Julio Chanamé
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Crossref

Evidence of extra mixing in field giants as traced by the lithium and carbon isotope ratio

Astronomy & Astrophysics
2022-12-15 | Journal article
DOI: 10.1051/0004-6361/202244518
Part of ISSN: 0004-6361
Part of ISSN: 1432-0746
Contributors: C. Aguilera-Gómez; M.I. Jones; Julio Chanamé
Source: Self-asserted source
Julio Chanamé

The breakdown of current gyrochronology as evidenced by old coeval stars

arXiv e-prints
2022-10-01 | Working paper
ARXIV: arXiv:2210.01137v1
Contributors: Joaquín Silva-Beyer; Diego Godoy-Rivera; Julio Chanamé
Source: Self-asserted source
Julio Chanamé

Unravelling UBC 274: A morphological, kinematical, and chemical analysis of a disrupting open cluster

Astronomy & Astrophysics
2022-08 | Journal article | Author
DOI: 10.1051/0004-6361/202243658
Part of ISSN: 0004-6361
Part of ISSN: 1432-0746
Contributors: L. Casamiquela; J. Olivares; Yoann Tarricq; S. Ferrone; Caroline Soubiran; P. Jofré; P. di Matteo; F. Espinoza-Rojas; Alfred Castro-Ginard; D. de Brito Silva et al.
Source: Self-asserted source
Julio Chanamé

Mass Matters: No Evidence for Ubiquitous Lithium Production in Low-mass Clump Giants

The Astrophysical Journal
2022-07-01 | Journal article
DOI: 10.3847/1538-4357/ac70c8
Contributors: Julio Chanamé; Marc H. Pinsonneault; Claudia Aguilera-Gómez; Joel C. Zinn
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Crossref

A Young, Low-density Stellar Stream in the Milky Way Disk: Theia 456

The Astronomical Journal
2022-06-01 | Journal article
DOI: 10.3847/1538-3881/ac6952
Contributors: Jeff J. Andrews; Jason L. Curtis; Julio Chanamé; Marcel A. Agüeros; Simon C. Schuler; Marina Kounkel; Kevin R. Covey
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Crossref

Substructure, supernovae, and time resolved star formation history for Upper Scorpius

arXiv e-prints
2022-05-01 | Working paper
ARXIV: arXiv:2205.01735
Contributors: Geovanny Briceño-Morales; Julio Chanamé
Source: Self-asserted source
Julio Chanamé

Improved Constraints on the Initial-to-final Mass Relation of White Dwarfs Using Wide Binaries

The Astrophysical Journal
2021-12-01 | Journal article
DOI: 10.3847/1538-4357/ac2f49
Contributors: Manuel Barrientos; Julio Chanamé
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Crossref

The Consistency of Chemical Clocks among Coeval Stars

The Astrophysical Journal
2021-10-01 | Journal article
DOI: 10.3847/1538-4357/ac15fd
Contributors: Francisca Espinoza-Rojas; Julio Chanamé; Paula Jofré; Laia Casamiquela
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Crossref

Combining Astrometry and Elemental Abundances: The Case of the Candidate Pre-Gaia Halo Moving Groups G03-37, G18-39, and G21-22 *

The Astronomical Journal
2021-09-01 | Journal article
DOI: 10.3847/1538-3881/ac10c6
Contributors: Simon C. Schuler; Jeff J. Andrews; Vincent R. Clanzy, II; Mohammed Mourabit; Julio Chanamé; Marcel A. Agüeros
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Crossref

Elevated r-process Enrichment in Gaia Sausage and Sequoia*

The Astrophysical Journal Letters
2021-02-01 | Journal article
DOI: 10.3847/2041-8213/abdbb8
Contributors: David S. Aguado; Vasily Belokurov; G. C. Myeong; N. Wyn Evans; Chiaki Kobayashi; Luca Sbordone; Julio Chanamé; Camila Navarrete; Sergey E. Koposov
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Crossref

The S2 Stream: the shreds of a primitive dwarf galaxy.*

Monthly Notices of the Royal Astronomical Society
2020-10-20 | Journal article
DOI: 10.1093/mnras/staa3250
Part of ISSN: 0035-8711
Part of ISSN: 1365-2966
Contributors: David Aguado; GyuChul Myeong; Vasily Belokurov; N Wyn Evans; Sergey E Koposov; Carlos Allende Prieto; Gustavo A Lanfranchi; Francesca Matteucci; Matthew Shetrone; Luca Sbordone et al.
Source: Self-asserted source
Julio Chanamé

On Lithium-6 as a Diagnostic of the Lithium-enrichment Mechanism in Red Giants

The Astrophysical Journal Letters
2020-07-01 | Journal article
DOI: 10.3847/2041-8213/ab9d26
Contributors: Claudia Aguilera-Gómez; Julio Chanamé; Marc H. Pinsonneault
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Crossref

Detection of the nearest Jupiter analogue in radial velocity and astrometry data

Monthly Notices of the Royal Astronomical Society
2019-12 | Journal article
DOI: 10.1093/mnras/stz2912
BIBCODE: 2019MNRAS.490.5002F
ARXIV: 1910.06804
Contributors: Feng, Fabo; Anglada-Escudé, Guillem; Tuomi, Mikko; Jones, Hugh R. A.; Chanamé, Julio; Butler, Paul R.; Janson, Markus
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NASA Astrophysics Data System

The chemical composition of HIP 34407/HIP 34426 and other twin-star comoving pairs

Monthly Notices of the Royal Astronomical Society
2019-12 | Journal article
DOI: 10.1093/mnras/stz2709
BIBCODE: 2019MNRAS.490.2448R
ARXIV: 1909.07460
Contributors: Ramírez, I.; Khanal, S.; Lichon, S. J.; Chanamé, J.; Endl, M.; Meléndez, J.; Lambert, D. L.
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NASA Astrophysics Data System

A MegaCam Survey of Outer Halo Satellites. VII. A Single Sérsic Index versus Effective Radius Relation for Milky Way Outer Halo Satellites

The Astrophysical Journal
2019-03 | Journal article
DOI: 10.3847/1538-4357/ab089c
BIBCODE: 2019ApJ...874...29M
ARXIV: 1902.08860
Contributors: Marchi-Lasch, Sebastián; Muñoz, Ricardo R.; Santana, Felipe A.; Carballo-Bello, Julio A.; Chanamé, Julio; Geha, Marla; Simon, Joshua D.; Stetson, Peter B.; Djorgovski, S. G.
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NASA Astrophysics Data System

On collision course: The nature of the binary star cluster NGC2006/SL 538

Astronomy and Astrophysics
2019-02 | Journal article
DOI: 10.1051/0004-6361/201834103
BIBCODE:

2019A&A...622A..65M
Contributors: Mora, Marcelo D.; Puzia, Thomas H.; Chanamé, Julio
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NASA Astrophysics Data System

The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey

The Astrophysical Journal
2019-01 | Journal article
DOI: 10.3847/1538-4357/aaf3b9
BIBCODE: 2019ApJ...870..122P
ARXIV: 1811.10367
Contributors: Placco, Vinicius M.; Santucci, Rafael M.; Beers, Timothy C.; Chanamé, Julio; Sepúlveda, María Paz; Coronado, Johanna; Rossi, Silvia; Lee, Young Sun; Starkenburg, Else; Youakim, Kris et al.
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NASA Astrophysics Data System

Using APOGEE Wide Binaries to Test Chemical Tagging with Dwarf Stars

The Astrophysical Journal
2019-01-20 | Journal article
DOI: 10.3847/1538-4357/aaf502
Contributors: Jeff J. Andrews; Borja Anguiano; Julio Chanamé; Marcel A. Agüeros; Hannah M. Lewis; Christian R. Hayes; Steven R. Majewski
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Crossref

A distant sample of halo wide binaries from SDSS

Monthly Notices of the Royal Astronomical Society
2018-11 | Journal article
DOI: 10.1093/mnras/sty2141
BIBCODE: 2018MNRAS.480.4302C
ARXIV: 1804.06851
Contributors: Coronado, Johanna; Sepúlveda, María Paz; Gould, Andrew; Chanamé, Julio
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NASA Astrophysics Data System

On the identification of wide binaries in the Kepler field

Monthly Notices of the Royal Astronomical Society
2018-10 | Journal article
DOI: 10.1093/mnras/sty1736
BIBCODE: 2018MNRAS.479.4440G
ARXIV: 1807.00009
Contributors: Godoy-Rivera, Diego; Chanamé, Julio
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NASA Astrophysics Data System

Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert

Astronomy and Astrophysics
2018-06 | Journal article
DOI: 10.1051/0004-6361/201732209
BIBCODE:

2018A&A...614A..55A

ARXIV: 1803.05922
Contributors: Aguilera-Gómez, Claudia; Ramírez, Iván; Chanamé, Julio
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NASA Astrophysics Data System

Spectroscopic Validation of Low-metallicity Stars from RAVE

The Astronomical Journal
2018-06 | Journal article
DOI: 10.3847/1538-3881/aac20c
BIBCODE: 2018AJ....155..256P
ARXIV: 1805.00608
Contributors: Placco, Vinicius M.; Beers, Timothy C.; Santucci, Rafael M.; Chanamé, Julio; Sepúlveda, María Paz; Coronado, Johanna; Points, Sean D.; Kaleida, Catherine C.; Rossi, Silvia; Kordopatis, Georges et al.
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NASA Astrophysics Data System

Validating TGAS Wide Binaries with Gaia DR2 Radial Velocities and Parallaxes

Research Notes of the American Astronomical Society
2018-05 | Journal article
DOI: 10.3847/2515-5172/aac2eb
BIBCODE: 2018RNAAS...2...29A
ARXIV: 1805.04162
Contributors: Andrews, Jeff J.; Chanamé, Julio; Agüeros, Marcel A.
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NASA Astrophysics Data System

Wide binaries in Tycho-Gaia II: metallicities, abundances and prospects for chemical tagging

Monthly Notices of the Royal Astronomical Society
2018-02 | Journal article
DOI: 10.1093/mnras/stx2685
BIBCODE: 2018MNRAS.473.5393A
ARXIV: 1710.04678
Contributors: Andrews, Jeff J.; Chanamé, Julio; Agüeros, Marcel A.
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NASA Astrophysics Data System

SDSS-V: Pioneering Panoptic Spectroscopy

arXiv e-prints
2017-11 | Working paper
BIBCODE: 2017arXiv171103234K
ARXIV: 1711.03234
Contributors: Kollmeier, Juna A.; Zasowski, Gail; Rix, Hans-Walter; Johns, Matt; Anderson, Scott F.; Drory, Niv; Johnson, Jennifer A.; Pogge, Richard W.; Bird, Jonathan C.; Blanc, Guillermo A. et al.
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NASA Astrophysics Data System

Wide binaries in Tycho-Gaia: search method and the distribution of orbital separations

Monthly Notices of the Royal Astronomical Society
2017-11 | Journal article
DOI: 10.1093/mnras/stx2000
BIBCODE: 2017MNRAS.472..675A
ARXIV: 1704.07829
Contributors: Andrews, Jeff J.; Chanamé, Julio; Agüeros, Marcel A.
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NASA Astrophysics Data System

Atypical Mg-poor Milky Way Field Stars with Globular Cluster Second-generation-like Chemical Patterns

The Astrophysical Journal
2017-09 | Journal article
DOI: 10.3847/2041-8213/aa8032
BIBCODE: 2017ApJ...846L...2F
ARXIV: 1707.03108
Contributors: Fernández-Trincado, J. G.; Zamora, O.; García-Hernández, D. A.; Souto, Diogo; Dell'Agli, F.; Schiavon, R. P.; Geisler, D.; Tang, B.; Villanova, S.; Hasselquist, Sten et al.
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NASA Astrophysics Data System

On Lithium-rich Red Giants: Engulfment on the Giant Branch of Trumpler 20

The Astrophysical Journal
2016-12 | Journal article
DOI: 10.3847/2041-8213/833/2/L24
BIBCODE: 2016ApJ...833L..24A
ARXIV: 1609.07492
Contributors: Aguilera-Gómez, Claudia; Chanamé, Julio; Pinsonneault, Marc H.; Carlberg, Joleen K.
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NASA Astrophysics Data System

Discovery and Validation of a High-Density sub-Neptune from the K2 Mission

The Astrophysical Journal
2016-10 | Journal article
DOI: 10.3847/0004-637X/830/1/43
BIBCODE: 2016ApJ...830...43E
ARXIV: 1601.07608
Contributors: Espinoza, Néstor; Brahm, Rafael; Jordán, Andrés; Jenkins, James S.; Rojas, Felipe; Jofré, Paula; Mädler, Thomas; Rabus, Markus; Chanamé, Julio; Pantoja, Blake et al.
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NASA Astrophysics Data System

On Lithium-rich Red Giants. I. Engulfment of Substellar Companions

The Astrophysical Journal
2016-10 | Journal article
DOI: 10.3847/0004-637X/829/2/127
BIBCODE: 2016ApJ...829..127A
ARXIV: 1605.05332
Contributors: Aguilera-Gómez, Claudia; Chanamé, Julio; Pinsonneault, Marc H.; Carlberg, Joleen K.
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NASA Astrophysics Data System

Wide binaries in ultrafaint galaxies: a window on to dark matter on the smallest scales

Monthly Notices of the Royal Astronomical Society
2016-09 | Journal article
DOI: 10.1093/mnrasl/slw090
BIBCODE: 2016MNRAS.461L..72P
ARXIV: 1605.09384
Contributors: Peñarrubia, Jorge; Ludlow, Aaron D.; Chanamé, Julio; Walker, Matthew G.
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NASA Astrophysics Data System

A Starburst in the Core of a Galaxy Cluster: the Dwarf Irregular NGC 1427A in Fornax

The Astronomical Journal
2015-09 | Journal article
DOI: 10.1088/0004-6256/150/3/93
BIBCODE: 2015AJ....150...93M
ARXIV: 1411.7314
Contributors: Mora, Marcelo D.; Chanamé, Julio; Puzia, Thomas H.
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NASA Astrophysics Data System

The Kapteyn Moving Group Is Not Tidal Debris From ω Centauri

The Astrophysical Journal
2015-07 | Journal article
DOI: 10.1088/0004-637X/808/1/103
BIBCODE: 2015ApJ...808..103N
ARXIV: 1506.02041
Contributors: Navarrete, Camila; Chanamé, Julio; Ramírez, Iván; Meza, Andrés; Anglada-Escudé, Guillem; Shkolnik, Evgenya
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NASA Astrophysics Data System

Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. I. Sample Selection, Data Reduction, and NGC 7078 Results

The Astrophysical Journal
2014-12 | Journal article
DOI: 10.1088/0004-637X/797/2/115
BIBCODE: 2014ApJ...797..115B
ARXIV: 1410.5820
Contributors: Bellini, A.; Anderson, J.; van der Marel, R. P.; Watkins, L. L.; King, I. R.; Bianchini, P.; Chanamé, J.; Chandar, R.; Cool, A. M.; Ferraro, F. R. et al.
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NASA Astrophysics Data System

Local Group and Star Cluster Dynamics from HSTPROMO: The Hubble Space Telescope Proper Motion Collaboration

Structure and Dynamics of Disk Galaxies
2014-03 | Conference paper
BIBCODE: 2014ASPC..480...43V
ARXIV: 1309.2014
Contributors: van der Marel, R. P.; Anderson, J.; Bellini, A.; Besla, G.; Bianchini, P.; Boylan-Kolchin, M.; Chaname, J.; Deason, A.; Do, T.; Guhathakurta, P. et al.
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NASA Astrophysics Data System

Oxygen Abundances in Low- and High-α Field Halo Stars and the Discovery of Two Field Stars Born in Globular Clusters

The Astrophysical Journal
2012-10 | Journal article
DOI: 10.1088/0004-637X/757/2/164
BIBCODE: 2012ApJ...757..164R
ARXIV: 1208.3675
Contributors: Ramírez, I.; Meléndez, J.; Chanamé, J.
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NASA Astrophysics Data System

Toward Precise Ages for Single Stars in the Field. Gyrochronology Constraints at Several Gyr Using Wide Binaries. I. Ages for Initial Sample

The Astrophysical Journal
2012-02 | Journal article
DOI: 10.1088/0004-637X/746/1/102
BIBCODE: 2012ApJ...746..102C
ARXIV: 1109.0013
Contributors: Chanamé, Julio; Ramírez, Iván
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NASA Astrophysics Data System

Schwarzschild Models for the Galaxy

Highlights of Astronomy
2010-11 | Journal article
DOI: 10.1017/S1743921310008689
BIBCODE: 2010HiA....15..190C
ARXIV: 1005.2348
Contributors: Chanamé, Julio
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NASA Astrophysics Data System

HST's hunt for intermediate-mass black holes in star clusters

Star Clusters: Basic Galactic Building Blocks Throughout Time and Space
2010-01 | Conference paper
DOI: 10.1017/S1743921309991098
BIBCODE: 2010IAUS..266..231C
ARXIV: 0911.1806
Contributors: Chanamé, Julio; Bruursema, Justice; Chandar, Rupali; Anderson, Jay; van der Marel, Roeland; Ford, Holland
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NASA Astrophysics Data System

Constraining the Mass Profiles of Stellar Systems: Schwarzschild Modeling of Discrete Velocity Data Sets

The Astrophysical Journal
2008-08 | Journal article
DOI: 10.1086/589429
BIBCODE: 2008ApJ...682..841C
ARXIV: 0710.1872
Contributors: Chanamé, Julio; Kleyna, Jan; van der Marel, Roeland
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NASA Astrophysics Data System

Catalogs of Wide Binaries: Impact on Galactic Astronomy

Binary Stars as Critical Tools & Tests in Contemporary Astrophysics
2007-08 | Conference paper
DOI: 10.1017/S1743921307004243
BIBCODE: 2007IAUS..240..316C
ARXIV: astro-ph/0610948
Contributors: Chanamé, Julio
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NASA Astrophysics Data System

The old globular cluster system of the dIrr galaxy <ASTROBJ>NGC 1427A</ASTROBJ> in the Fornax cluster

Astronomy and Astrophysics
2006-06 | Journal article
DOI: 10.1051/0004-6361:20064880
BIBCODE:

2006A&A...452..141G

ARXIV: astro-ph/0602263
Contributors: Georgiev, I. Y.; Hilker, M.; Puzia, T. H.; Chanamé, J.; Mieske, S.; Goudfrooij, P.; Reisenegger, A.; Infante, L.
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NASA Astrophysics Data System

Abundance Anomalies and Rotational Evolution of Low-Mass Red Giants: A Maximal Mixing Approach

The Astrophysical Journal
2005-09 | Journal article
DOI: 10.1086/432410
BIBCODE: 2005ApJ...631..540C
ARXIV: astro-ph/0412488
Contributors: Chanamé, Julio; Pinsonneault, Marc; Terndrup, Donald M.
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NASA Astrophysics Data System

Halo Luminosity Function From Photometric Calibration of the Revised NLTT

arXiv e-prints
2004-12 | Working paper
BIBCODE: 2004astro.ph.12667G
ARXIV: astro-ph/0412667
Contributors: Gould, Andrew; Kollmeier, Juna A.; Chaname, Julio; Salim, Samir
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NASA Astrophysics Data System

New Hipparcos-based Parallaxes for 424 Faint Stars

The Astrophysical Journal Supplement Series
2004-02 | Journal article
DOI: 10.1086/381147
BIBCODE: 2004ApJS..150..455G
ARXIV: astro-ph/0309001
Contributors: Gould, Andrew; Chanamé, Julio
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NASA Astrophysics Data System

Disk and Halo Wide Binaries from the Revised Luyten Catalog: Probes of Star Formation and MACHO Dark Matter

The Astrophysical Journal
2004-01 | Journal article
DOI: 10.1086/380442
BIBCODE: 2004ApJ...601..289C
ARXIV: astro-ph/0307434
Contributors: Chanamé, Julio; Gould, Andrew
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NASA Astrophysics Data System
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