Results 11 to 20 of about 860 (113)

High precision astrometry mission for the detection and characterization of nearby habitable planetary systems with the Nearby Earth Astrometric Telescope (NEAT) [PDF]

Experimental astronomy (Print), 2011
A complete census of planetary systems around a volume-limited sample of solar-type stars (FGK dwarfs) in the Solar neighborhood (d ≤ 15 pc) with uniform sensitivity down to Earth-mass planets within their Habitable Zones out to several AUs would be a ...
F. Malbet, A. Léger, M. Shao, R. Goullioud, P. Lagage, Anthony G. A. Brown, C. Cara, G. Durand, C. Eiroa, P. Feautrier, B. Jakobsson, E. Hinglais, L. Kaltenegger, L. Labadie, A. Lagrange, J. Laskar, R. Liseau, J. Lunine, J. Maldonado, M. Mercier, C. Mordasini, D. Queloz, A. Quirrenbach, A. Sozzetti, W. Traub, O. Absil, Y. Alibert, A. Andrei, Frédéric Arenou, C. Beichman, A. Chelli, C. Cockell, G. Duvert, T. Forveille, P. Garcia, D. Hobbs, A. Krone-Martins, H. Lammer, N. Meunier, S. Minardi, André Moitinho de Almeida, N. Rambaux, S. Raymond, H. Röttgering, J. Sahlmann, P. Schuller, D. Ségransan, F. Selsis, J. Surdej, E. Villaver, G. White, H. Zinnecker   +51 more
semanticscholar   +2 more sources

Transmission Spectroscopy of the Earth–Sun System to Inform the Search for Extrasolar Life [PDF]

, 2021
Upcoming NASA astrophysics missions such as the James Webb Space Telescope will search for signs of life on planets transiting nearby stars. Doing so will require coadding dozens of transmission spectra to build up sufficient signal to noise while ...
L. Mayorga, J. Lustig-Yaeger, E. May, K. Sotzen, Junellie Gonzalez-Quiles, B. Kilpatrick, E. Martin, K. Mandt, K. Stevenson, N. Izenberg   +9 more
semanticscholar   +1 more source

Vlasov methods in space physics and astrophysics [PDF]

Living Reviews in Computational Astrophysics, 2018
This paper reviews Vlasov-based numerical methods used to model plasma in space physics and astrophysics. Plasma consists of collectively behaving charged particles that form the major part of baryonic matter in the Universe.
M. Palmroth, U. Ganse, Y. Pfau‐Kempf, M. Battarbee, L. Turc, T. Brito, M. Grandin, S. Hoilijoki, A. Sandroos, S. von Alfthan   +9 more
semanticscholar   +1 more source

The Influence of Different Solar System Planetary Ephemerides on Pulsar Timing

Research in Astronomy and Astrophysics
Pulsar timing offers a comprehensive avenue for exploring diverse topics in physics and astrophysics. High-precision solar system planetary ephemeris is crucial for pulsar timing as it provides the positions and velocities of solar system planets ...
Jianpeng Dai, Wei Han, Na Wang
semanticscholar   +1 more source

Super-Earth of 8 M⊕ in a 2.2-day orbit around the K5V star K2-216 [PDF]

Astronomy & Astrophysics, 2018
Context. Although thousands of exoplanets have been discovered to date, far fewer have been fully characterised, in particular super-Earths. The KESPRINT consortium identified K2-216 as a planetary candidate host star in the K2 space mission Campaign 8 ...
C. Persson, M. Fridlund, O. Barrag'an, F. Dai, D. Gandolfi, A. Hatzes, T. Hirano, S. Grziwa, J. Korth, J. Prieto-Arranz, L. Fossati, V. V. Eylen, A. B. Justesen, J. Livingston, D. Kubyshkina, H. Deeg, E. Guenther, G. Nowak, J. Cabrera, P. Eigmüller, S. Csizmadia, Andra M. Smith, A. Erikson, S. Albrecht, A. Sobrino, W. Cochran, M. Endl, Massimiliano Esposito, A. Fukui, P. Heeren, D. Hidalgo, M. Hjorth, M. Kuzuhara, N. Narita, D. Nespral, E. Pallé, M. Pätzold, H. Rauer, F. Rodler, J. Winn   +39 more
semanticscholar   +1 more source

Novel Research in Astrophysics and Geophysics

BOOK OF ABSTRACTS AND CONTRIBUTED PAPERS: Building bridges between climate science and society through a transdisciplinary network
In the past few decades innovative approach is to foster collaboration and effective synergies among disciplines such as space exploration, atmospheric and Earth observations, laboratory and field experiments, and numerical modeling, with a high ...
V. A. Srećković, A. Kolarski, M. Langović, F. Arnaut, Z. Mijić, S. Jevremović, Jelena Barović, O. Kounchev   +7 more
semanticscholar   +1 more source

THE CHANDRA X-RAY SURVEY OF PLANETARY NEBULAE (ChanPlaNS): PROBING BINARITY, MAGNETIC FIELDS, AND WIND COLLISIONS [PDF]

, 2012
We present an overview of the initial results from the Chandra Planetary Nebula Survey (ChanPlaNS), the first systematic (volume-limited) Chandra X-Ray Observatory survey of planetary nebulae (PNe) in the solar neighborhood.
J. Kastner, R. Montez, B. Balick, D. Frew, B. Miszalski, R. Sahai, E. Blackman, Y. Chu, O. Marco, A. Frank, M. Guerrero, J. López, V. Rapson, A. Zijlstra, E. Behar, V. Bujarrabal, R. Corradi, J. Nordhaus, Q. Parker, C. Sandin, D. Schonberner, N. Soker, J. Sokoloski, M. Steffen, T. Ueta, E. Science, Laboratory for Multiwavelength Astrophysics, R. I. O. Technology, D. Astronomy, U. Washington, D. Physics, Astronomy, M. R. C. F. Astronomy, Astrophysics, Astrophotonics, Macquarie University, South African astronomical Observatory, Southern African Large Telescope Foundation, Jet propulsion Laboratory, C. I. O. Technology., D. Physics, U. Rochester, U. Illinois, I. D. Astronom'ia, Glorieta de la Astronom'ia sn, I. D. Astronomía, Universidad Autonoma de Mexico, S. O. Physics, U. Manchester, Technion, Israel, O. Nacional, A. Henares, Spain., Instituto de Astrof'isica de Canarias, Tenerife, D. Astrof'isica, U. L. Laguna, Nsf Astronomy, A. Fellow, Center for Computational Relativity, Gravitation, Leibniz Institute for Astrophysics Potsdam, Columbia Astrophysics Laboratory, Columbia University, U. Denver, Departamento de F'isica Te'orica, U. A. D. Madrid   +67 more
semanticscholar   +1 more source

New Arabic Records From Cairo on Supernovae 1181 and 1006

Astronomische Nachrichten, EarlyView.
ABSTRACT The remnant of the historical supernova SN 1181 is under discussion: While the previously suggested G130.7+3.1 (3C58) appears too old (3000–5000 year), the unusual star IRAS00500+6713 with a surrounding nebula (Pa‐30) has an expansion age not inconsistent with a SN Iax explosion in ad 1181 under the assumption that neither acceleration nor ...
J. G. Fischer, H. Halm, R. Neuhäuser, D. L. Neuhäuser   +3 more
wiley   +1 more source

Transiting Exoplanet Survey Satellite (TESS) [PDF]

Astronomical Telescopes and Instrumentation, 2014
The Transiting Exoplanet Survey Satellite (TESS ) will search for planets transiting bright and nearby stars. TESS has been selected by NASA for launch in 2017 as an Astrophysics Explorer mission. The spacecraft will be placed into a highly elliptical 13.
G. Ricker, J. Winn, R. Vanderspek, D. Latham, G. Bakos, Jacob L. Bean, Z. Berta-Thompson, Timothy M. Brown, L. Buchhave, Nathaniel Butler, R. P. Butler, W. Chaplin, D. Charbonneau, J. Christensen-Dalsgaard, M. Clampin, D. Deming, J. Doty, Nathan M. De Lee, C. Dressing, E. Dunham, M. Endl, F. Fressin, J. Ge, T. Henning, M. Holman, Andrew W. Howard, S. Ida, J. Jenkins, G. Jernigan, J. Johnson, L. Kaltenegger, N. Kawai, H. Kjeldsen, G. Laughlin, A. Levine, D. Lin, J. Lissauer, P. Macqueen, G. Marcy, P. McCullough, T. Morton, N. Narita, M. Paegert, E. Pallé, F. Pepe, J. Pepper, A. Quirrenbach, S. Rinehart, D. Sasselov, B. Sato, S. Seager, A. Sozzetti, K. Stassun, P. Sullivan, A. Szentgyorgyi, G. Torres, S. Udry, J. Villasenor   +57 more
semanticscholar   +1 more source

JWST Imaging of the Closest Globular Clusters—VI. The Lowest‐Mass Objects in M 4 and the Galactic Bulge

Astronomische Nachrichten, EarlyView.
ABSTRACT We present James Webb Space Telescope observations of M 4—the closest globular cluster—that probe the lower Main Sequence down to the hydrogen‐burning limit. The unveiled stellar sequence reaches much fainter luminosities than previously possible, revealing a few extremely red objects that are consistent with brown dwarfs as cool as Teff∼1000K$
L. R. Bedin, R. Gerasimov, A. Calamida, M. Libralato, M. Scalco, D. Nardiello, M. Griggio, D. Apai, J. Anderson, A. Bellini, A. Burgasser   +10 more
wiley   +1 more source