AA
A. Andrei
astro-ph.SRastro-ph.IMastro-ph.EPastro-ph.GAastro-ph.COphysics.hist-phphysics.pop-ph
On Valency
published · living versionsW_hj46dwju·v1 · currentpublished
Gaia Data Release 2: The astrometric solution
with L. Lindegren, J. Hernandez, A. Bombrun, S. Klioner +85
1 version
Preprints & journals
37 papers in the corpus · 2006–2026Quasi-automatic software support for Gaia ground based optical tracking2608.09795v1 · S. Bouquillon, C. Barache, T. Carlucci et al.2026 · 8 citationsarXiv
GBOT: ground based optical tracking of the Gaia satellite2608.04861v1 · Martin Altmann, Sebastien Bouquillon, Francois Taris et al.2026 · 16 citationsProceedings of the SPIE, Volume 9149, id. 91490P 15 pp. (2014)
The luminosity function of quasars by the Principle of Maximum Entropy1907.06984v1 · Alexandre Andrei, Bruno Coelho, Leandro L. S. Guedes et al.2019 · 4 citations2019MNRAS.488..183A
Parallaxes of southern extremely cool objects III: 118 L & T dwarfs1811.00672v1 · R. L. Smart, B. Bucciarelli, H. R. A. Jones et al.2018 · 20 citations2018MNRAS.481.3548S
Gaia Data Release 2: The astrometric solution1804.09366v1 · L. Lindegren, J. Hernandez, A. Bombrun et al.2018 · 2,033 citationsA&A 616, A2 (2018)on Valency
Gaia Data Release 2: Observational Hertzsprung-Russell diagrams1804.09378v2 · C. Babusiaux, F. van Leeuwen, M.A. Barstow et al.2018 · 874 citationsA&A 616, A10 (2018)
Characterizing the astrometric precision limit for moving targets observed with digital-array detectors1707.01447v1 · S. Bouquillon, R. A. Mendez, M. Altmann et al.2017 · 5 citationsA&A 606, A27 (2017)
Gaia Data Release 1. Testing the parallaxes with local Cepheids and RR Lyrae stars1705.00688v1 · G. Clementini, L. Eyer, V. Ripepi et al.2017 · 94 citationsA&A 605, A79 (2017)
Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects1703.01131v1 · F. van Leeuwen, A. Vallenari, C. Jordi et al.2017 · 97 citationsA&A 601, A19 (2017)
Gaia Data Release 1: The reference frame and the optical properties of ICRF sources1609.07255v1 · F. Mignard, S. Klioner, L. Lindegren et al.2016 · 91 citationsA&A 595, A5 (2016)
Gaia Data Release 1: Astrometry - one billion positions, two million proper motions and parallaxes1609.04303v1 · L. Lindegren, U. Lammers, U. Bastian et al.2016 · 377 citationsA&A 595, A4 (2016)
42 Years of Continuous Observations of the Solar Diameter from 1974 to 20151512.08743v1 · Alexandre H. Andrei, Sergio C. Boscardin, Jucira L. Penna et al.2015 · 1 citationarXiv
The Reflecting Heliometer of Rio de Janeiro after 6 Years of Activity1512.03358v1 · Sergio C. Boscardin, Costantino Sigismondi, Jucira L. Penna et al.2015 · 1 citationarXiv
Astrometry of the main satellites of Uranus: 18 years of observations1508.02997v1 · J.I.B. Camargo, F.P. Magalhaes, R. Vieira-Martins et al.2015 · 13 citationsA&A 582, A8 (2015)
Optical Deformations in Solar Glass Filters for High Precision Astrometry1507.03636v1 · Costantino Sigismondi, Alexandre Humberto Andrei, S'ergio Calderari Boscardin et al.2015 · 0 citationsarXiv
Astrometric positions for 18 irregular satellites of giant planets from 23 years of observations1506.00045v1 · A. R. Gomes-J'unior, M. Assafin, R. Vieira-Martins et al.2015 · 26 citationsA&A 580, A76 (2015)
49 new T dwarfs identified using methane imaging1502.06503v1 · C. V. Cardoso, B. Burningham, R. L. Smart et al.2015 · 15 citationsarXiv
The non-convex shape of (234) Barbara, the first Barbarian1502.00460v1 · P. Tanga, B. Carry, F. Colas et al.2015 · 17 citationsarXiv
Measures of the Earth Obliquity during the 1701 Winter Solstice at the Clementine Meridian Line in Rome1412.6096v1 · Alexandre Humberto Andrei, Costantino Sigismondi, Veronica Regoli2014 · 0 citationsarXiv
High Proper Motion Objects from the UKIDSS Galactic Plane Survey1406.6698v1 · L. Smith, P. W. Lucas, R. Bunce et al.2014 · 23 citationsarXiv
The solar diameter series of the CCD Solar Astrolabe of the Observatório Nacional in Rio de Janeiro measured during cycle 231402.1762v1 · Costantino Sigismondi, Sergio Calderari Boscardin, Alexandre Humberto Andrei et al.2014 · 0 citationsarXiv
Parallaxes of five L Dwarfs with a Robotic Telescope1311.6707v1 · Y. Wang, H.R.A. Jones, R.L. Smart et al.2013 · 27 citationsarXiv
Solar astrometry with Rio Astrolabe and Heliometer1311.3472v2 · Costantino Sigismondi, Sergio Calderari Boscardin, Alexandre Humberto Andrei et al.2013 · 0 citationsarXiv
A 1500 deg Near Infrared Proper Motion Catalogue from the UKIDSS Large Area Survey1311.1227v1 · L. Smith, P. W. Lucas, B. Burningham et al.2013 · 27 citationsarXiv
Parallaxes of Southern Extremely Cool objects (PARSEC) II: Spectroscopic Follow-up and Parallaxes of 52 Targets1309.6525v1 · F. Marocco, A. H. Andrei, R. L. Smart et al.2013 · 66 citationsarXiv
NPARSEC: NTT Parallaxes of Southern Extremely Cool objects. Goals, targets, procedures and first results1306.4527v1 · R. L. Smart, C. G. Tinney, B. Bucciarelli et al.2013 · 65 citationsarXiv
The Heliometer of Rio de Janeiro in Operation - 2010 to 20131306.3204v1 · Alexandre Humberto Andrei, Costantino Sigismondi, Eugenio Reis-Neto et al.2013 · 3 citationsarXiv
Seventy six T dwarfs from the UKIDSS LAS: benchmarks, kinematics and an updated space density1304.7246v2 · Ben Burningham, C. V. Cardoso, L. Smith et al.2013 · 125 citationsarXiv
Development and first year of results from the heliometer of Observatorio Nacional1211.0677v1 · Alexandre H. Andrei, Victor A. D'Avila, Eugenio Reis Neto et al.2012 · 0 citationsarXiv
Candidate stellar occultations by large trans-neptunian objects up to 20151204.4234v1 · M. Assafin, J. I. B. Camargo, R. Vieira Martins et al.2012 · 29 citationsarXiv
A new approach for the heliometric optics1112.5871v3 · Victor d'Avila, Eugenio Reis Neto, Alissandro Coletti et al.2011 · 0 citationsarXiv
A Pluto-like radius and a high albedo for the dwarf planet Eris from an occultation.22031441 · Sicardy, B, Ortiz, J L, Assafin, M et al.2012 · 187 citationsNature. 2011;478(7370):493-6
High precision astrometry mission for the detection and characterization of nearby habitable planetary systems with the Nearby Earth Astrometric Telescope (NEAT)1107.3643v2 · Fabien Malbet, Alain L'eger, Michael Shao et al.2011 · 67 citationsarXiv
On the influence of radio extended structures on offsets between the optical and VLBI positions of sources in the ICRF21105.0662v1 · J.I.B. Camargo, A.H. Andrei, M. Assafin et al.2011 · 7 citationsarXiv
Parallaxes of Southern Extremely Cool objects - I: Targets, Proper motions and first results1011.1378v1 · Alexandre H. Andrei, Richard L. Smart, Jucira L. Penna et al.2010 · 75 citationsarXiv
The Large Quasar Reference Frame (LQRF) - an optical representation of the ICRS0907.2403v1 · A.H. Andrei, J. Souchay, N. Zacharias et al.2009 · 44 citationsarXiv
Charon's size and an upper limit on its atmosphere from a stellar occultation.16397493 · Sicardy, B, Bellucci, A, Gendron, E et al.2006 · 83 citationsNature. 2006;439(7072):52-4
Career total: 339 works. 37 are in this corpus.
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