A5033872708- Stellar, planetary, and galactic studies
- Astronomy and Astrophysical Research
- Astro and Planetary Science
- Astronomical Observations and Instrumentation
- History and Developments in Astronomy
- Astrophysics and Star Formation Studies
- Historical Astronomy and Related Studies
- Planetary Science and Exploration
- Solar and Space Plasma Dynamics
- Calibration and Measurement Techniques
- Astrophysical Phenomena and Observations
- Gamma-ray bursts and supernovae
- Geophysics and Gravity Measurements
- Historical and Architectural Studies
- Astrophysics and Cosmic Phenomena
- Infrared Target Detection Methodologies
- Adaptive optics and wavefront sensing
- Space Science and Extraterrestrial Life
- Atmospheric Ozone and Climate
- Scientific Research and Discoveries
- Geological and Geochemical Analysis
- Pulsars and Gravitational Waves Research
- Archaeology and ancient environmental studies
- High-pressure geophysics and materials
- Particle Accelerators and Free-Electron Lasers
University of Calgary
2009-2023
Institute of Astronomy
2015
Netherlands Institute for Radio Astronomy
2015
Union astronomique internationale
2004-2015
Dominion Astrophysical Observatory
1983-2008
Rutherford Appleton Laboratory
2004
Université Grenoble Alpes
2004
Natural History Museum
2004
Center for Research Libraries
2001
Ion Exchange (India)
2001
We report results from a large Hubble Space Telescope project to observe significant (~34,000) ensemble of main-sequence stars in the globular cluster 47 Tucanae with goal defining frequency inner orbit, gas giant planets. Simulations based on characteristics 8.3 days time series data F555W and F814W Wide Field Planetary Camera 2 (WFPC2) filters show that ~17 planets should be detected by photometric transit signals if hot Jupiters found solar neighborhood is assumed hold for Tuc. The...
ABSTRACT In this brief communication we provide the rationale for and outcome of International Astronomical Union (IAU) resolution vote at XXIXth General Assembly in Honolulu, Hawaii, 2015, on recommended nominal conversion constants selected solar planetary properties. The problem addressed by is a lack established between values SI units: missing standard has caused proliferation (e.g., radius, irradiance, luminosity, effective temperature, mass parameter) literature, with cited typically...
Astronomers commonly quote the properties of celestial objects in units parameters for Sun, Jupiter, or Earth. The resolution presented here was proposed by IAU Inter-Division Working Group on Nominal Units Stellar and Planetary Astronomy passed XXIXth General Assembly Honolulu. 2015 Resolution B3 adopts a set nominal solar, terrestrial, jovian conversion constants stellar (exo)planetary astronomy which are defined to be exact SI values. While based current best estimates (CBEs; have...
view Abstract Citations (93) References (131) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A study of the O'Connell effect in light curves eclipsing binaries. Davidge, T. J. ; Milone, E. F. In present consideration O'Connell's (1951) curve asymmetry between outside eclipse maxima, using UBV photoelectric data, parametric and nonparametric methods indicate significant correlations at least one color size asymmetry, on hand, several additional parameters....
We summarize recent improvements to a version of the Wilson-Devinney program that is widely used for analysis eclipsing binary data, and we describe new WD95 program. contains University Calgary code, which supports use Kurucz atmosphere models; it provides options multiple epoch data multiwavelength synoptic passbands. The an improved input/output interface, simplex algorithms initial searches tests, versions DC LC programs switch automatic differential corrections or damped least-squares...
The XXIXth IAU General Assembly in Honolulu adopted 2015 Resolution B2 on recommended zero points for the absolute and apparent bolometric magnitude scales. resolution was proposed by Inter-Division A-G Working Group Nominal Units Stellar Planetary Astronomy after consulting with a broad spectrum of researchers from astronomical community. resolves long-standing absence an internationally-adopted point defines scale such that radiation source $M_{\rm Bol}$ = 0 has luminosity L$_{\circ}$...
view Abstract Citations (57) References (20) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Eclipsing Binary AI Phoenicis: New Results Based on an Improved Light Curve Analysis Program Milone, E. F. ; Stagg, C. R. Kurucz, L. A revised atmospheres option based the model developed by Kurucz (1979) together with empirical correction factors are used to parameters of Phe program Wilson and Devinney (1971), employing a single temperature parameterize all...
The orbits and physical parameters of three close, double-lined G0 eclipsing binaries have been derived combining photometry from the Hipparcos/Tycho mission with 8480–8740 Å ground-based spectroscopy. setup is mimicking photometric spectroscopic observations that should be obtained by GAIA. considered here are all spectral type, but each its own complications: V781 Tau an overcontact system components unequal temperature, UV Leo shows occasional surface spots GK Dra contains a δ Scuti...
1. Historical Perspectives PART 1: ASTRONOMICAL BACKGROUND 2. Principal Features of the Sky / 3. Observational Methods and Problems 4. Time Calendar 5. Transient Phenomena II: ASTRONOMIES OF CULTURES 6. Paleolithic Neolithic Cultures 7. Europe Near East: Modern Antecedents 8. Africa 9. Indo-Iranian 10. China, Korea, Japan 11. Oceania 12. Mesoamerica 13. America North Mexico 14. South 15. Descent Gods Purposes Ancient Astronomy
view Abstract Citations (42) References (19) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS RW Comae Berenices. III. Light Curve Solution and Absolute Parameters Milone, E. F. ; Wilson, R. Hrivnak, B. J. UBV light curves of the W-type W UMa system Com have been modeled with Wilson-Devinney synthetic curve program solution elements recovered. A sine-rectified analysis a spotted are presented. The smaller less massive component is hotter one. masses 0.20 + or...
view Abstract Citations (26) References (52) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Analysis and Solution of the Light Radial Velocity Curves Contact Binary TY Bootis Milone, E. F. ; Groisman, Gaston Fry, D. J. I. Bradstreet, David H. Observations analyses binary are presented. velocity data used for first time to establish mass ratio without ambiguity, an advanced version Wilson-Devinney synthetic light curve program is analyze solve system. A...
view Abstract Citations (54) References (27) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Ground-based and IRAS Observations of Compact Planetary Nebulae Kwok, S. ; Hrivnak, B. J. Milone, E. F. A group compact planetary nebulae suspected being young objects from their radio properties were observed in the infrared using Canada-France-Hawaii Telescope. Combining these results with data satellite, it is found that most have far-infrared excesses color...
view Abstract Citations (31) References (11) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Limb darkening 1945 - 3245 Ã… for the quiet sun from Skylab data. Moe, O. K. ; Milone, E. F. Limb-darkening measurements of in spectral range 1945-3245 A have been made using NRL's SO82B instrument on board Skylab. The intensities averaged over 10 wavelength bands, and coefficients linear, quadratic, logarithmic fits to observed center-to-limb variations calculated...