starwalk2 manual en
... The highlighted parameter will start changing accordingly. To make any parameter elapse automatically, tap one of them and drag the Time slider. The map sky will rotate. In order to stop that, tap the Time slider again. To return to the current time zone, tap ...
... The highlighted parameter will start changing accordingly. To make any parameter elapse automatically, tap one of them and drag the Time slider. The map sky will rotate. In order to stop that, tap the Time slider again. To return to the current time zone, tap ...
Stellar radii from long-baseline interferometry
... status of Procyon. Our models were constrained using the spectroscopic effective temperature and the linear diameter value that we derived from our observations with the VINCI/VLTI instrument (Kervella et al. 2000; 2003a). Figure 2 (left) shows the evolutionary tracks of three models that converge in ...
... status of Procyon. Our models were constrained using the spectroscopic effective temperature and the linear diameter value that we derived from our observations with the VINCI/VLTI instrument (Kervella et al. 2000; 2003a). Figure 2 (left) shows the evolutionary tracks of three models that converge in ...
129 DYNAMICAL STREAMS IN THE SOLAR NEIGHBOURHOOD B
... and M giants in the solar neighbourhood. This analysis includes new radial velocity data from a large survey performed with the CORAVEL spectrometer, complemented by Hipparcos parallaxes and Tycho-2 proper motions (Famaey et al. 2004). A maximum-likelihood method, based on a bayesian approach, has b ...
... and M giants in the solar neighbourhood. This analysis includes new radial velocity data from a large survey performed with the CORAVEL spectrometer, complemented by Hipparcos parallaxes and Tycho-2 proper motions (Famaey et al. 2004). A maximum-likelihood method, based on a bayesian approach, has b ...
Venus and Maya - Academic Program Pages at Evergreen
... months. It takes 2922 days for the Sun, Earth, Venus and Stars to all agree from a defined point. This number is very important in cyclic time, and the Mayans were fully aware of this alignment. These movements were recoded in the Venus tables of one of their 4 surviving books, the Dresden Codex; 5 ...
... months. It takes 2922 days for the Sun, Earth, Venus and Stars to all agree from a defined point. This number is very important in cyclic time, and the Mayans were fully aware of this alignment. These movements were recoded in the Venus tables of one of their 4 surviving books, the Dresden Codex; 5 ...
Determination of accurate stellar radial
... ELODIE (Baranne et al. 1996) is an échelle spectrometer physically located in a coudé room at the 1.93 m telescope at Observatoire de Haute-Provence (OHP). For this programme, the spectrometer was fed via one optical fibre from the Cassegrain focus. The instrument FWHM is '7.2 km s−1 , correspondi ...
... ELODIE (Baranne et al. 1996) is an échelle spectrometer physically located in a coudé room at the 1.93 m telescope at Observatoire de Haute-Provence (OHP). For this programme, the spectrometer was fed via one optical fibre from the Cassegrain focus. The instrument FWHM is '7.2 km s−1 , correspondi ...
Star_Clusters
... the center of the Galaxy, with many in the constellations Sagittarius, Scorpio and Ophiunchus It was by studying the distribution of globular clusters that astronomers first suspected that the Sun was not at the center of our Galaxy, that it instead was somewhere in ...
... the center of the Galaxy, with many in the constellations Sagittarius, Scorpio and Ophiunchus It was by studying the distribution of globular clusters that astronomers first suspected that the Sun was not at the center of our Galaxy, that it instead was somewhere in ...
Star Clusters and their stars
... the center of the Galaxy, with many in the constellations Sagittarius, Scorpio and Ophiunchus It was by studying the distribution of globular clusters that astronomers first suspected that the Sun was not at the center of our Galaxy, that it instead was somewhere in ...
... the center of the Galaxy, with many in the constellations Sagittarius, Scorpio and Ophiunchus It was by studying the distribution of globular clusters that astronomers first suspected that the Sun was not at the center of our Galaxy, that it instead was somewhere in ...
Night Sky Observations
... This course deals mainly with Sky Watching, on a practical beginner’s level. As you become accustomed to “what’s up in the night sky”, you’ll quickly find out what you like most. You’ll realize where your main interest lies and what fascinates you most about all these objects. You can then start mov ...
... This course deals mainly with Sky Watching, on a practical beginner’s level. As you become accustomed to “what’s up in the night sky”, you’ll quickly find out what you like most. You’ll realize where your main interest lies and what fascinates you most about all these objects. You can then start mov ...
Spectroscopy Applications - Astrophysics and
... Moving one step closer to finding the fingerprints of life in a habitable planet beyond the solar system, astronomers have for the first time detected carbon dioxide in the atmosphere of a planet that orbits a star other than the sun Fall 2008 ...
... Moving one step closer to finding the fingerprints of life in a habitable planet beyond the solar system, astronomers have for the first time detected carbon dioxide in the atmosphere of a planet that orbits a star other than the sun Fall 2008 ...
The Fixed Idea of Astronomical Theory
... is evident that the leading velo city of all planets is the same independent of their distance from the sun B ut the spiral in itself a line of do uble curvature by the cours e of the sun its third curvature for a motion in a straight line b eing impossible in sp ace the sun makes a curve himself If ...
... is evident that the leading velo city of all planets is the same independent of their distance from the sun B ut the spiral in itself a line of do uble curvature by the cours e of the sun its third curvature for a motion in a straight line b eing impossible in sp ace the sun makes a curve himself If ...
Ardua et Astra: On the Calculation of the Dates of the Rising and
... involved with actually observing these phenomena. Some basic astronomy In order to understand some of the issues involved, it may be helpful to begin with a little basic astronomy. I hope the text below is reasonably clear, but I have made some diagrams and animations illustrating what follows avail ...
... involved with actually observing these phenomena. Some basic astronomy In order to understand some of the issues involved, it may be helpful to begin with a little basic astronomy. I hope the text below is reasonably clear, but I have made some diagrams and animations illustrating what follows avail ...
New Mass Loss Measurements from Astrospheric Lyα Absorption
... mass-loss evolution law for solar-like stars: Ṁ ∝ t⫺2.33Ⳳ0.55. Figure 3b shows what this relation suggests for the mass-loss history of the Sun. The truncation of the power-law relation in Figure 3a leads to the mass-loss/age relation in Figure 3b being truncated as well at about t p 0.7 Gyr. Mass- ...
... mass-loss evolution law for solar-like stars: Ṁ ∝ t⫺2.33Ⳳ0.55. Figure 3b shows what this relation suggests for the mass-loss history of the Sun. The truncation of the power-law relation in Figure 3a leads to the mass-loss/age relation in Figure 3b being truncated as well at about t p 0.7 Gyr. Mass- ...
June - Magic Valley Astronomical Society
... Antares is so large that it were placed where our Sun is, its outer edge would extend nearly to the orbit of its namesake, Mars. (I say namesake because Ant-Ares literally translates as "rival of Mars," owing to the star's similar appearance to the Red Planet as well as its proximity to the eclipti ...
... Antares is so large that it were placed where our Sun is, its outer edge would extend nearly to the orbit of its namesake, Mars. (I say namesake because Ant-Ares literally translates as "rival of Mars," owing to the star's similar appearance to the Red Planet as well as its proximity to the eclipti ...
The physics of white dwarfs
... theory. Together with neutron stars and black holes, they are the terminal points of stellar evolution. Their properties thus provide clues to the physical processes that take place during the rapid and often spectacular evolutionary stages near the ends of stellar lifetimes. In addition, white dwar ...
... theory. Together with neutron stars and black holes, they are the terminal points of stellar evolution. Their properties thus provide clues to the physical processes that take place during the rapid and often spectacular evolutionary stages near the ends of stellar lifetimes. In addition, white dwar ...
Galaxies (and stars) in the far infrared: results from the AKARI All
... The death of light stars : planetary nebulae (PNe) Stars with masses similar to the Sun run out the hydrogen in the core, change their equilibrium structure and expand, and become cool huge stars (red giant branch stars: RGBs). After the RGB phase, these stars become unstable and repeat expansion an ...
... The death of light stars : planetary nebulae (PNe) Stars with masses similar to the Sun run out the hydrogen in the core, change their equilibrium structure and expand, and become cool huge stars (red giant branch stars: RGBs). After the RGB phase, these stars become unstable and repeat expansion an ...
Determination of kinetic energies of stars using Hipparcos data *
... statement can be found in stellar dynamics which uses the notion of “stellar gas” in order to describe large systems of stars. Using this notion is apparently inevitable, because of computational limits that occur when one describes an ensemble containing a substantial number of stars. However, the ...
... statement can be found in stellar dynamics which uses the notion of “stellar gas” in order to describe large systems of stars. Using this notion is apparently inevitable, because of computational limits that occur when one describes an ensemble containing a substantial number of stars. However, the ...
Tycho Brahe
... Earth did not fit in with Aristotle’s generally accepted physical theory of motion. To Tycho, these arguments were conclusive proof that the Earth was stationary. Yet Tycho Brahe’s contribution to astronomy is enormous. He profoundly changed astronomical observational practices. Earlier astronomers ...
... Earth did not fit in with Aristotle’s generally accepted physical theory of motion. To Tycho, these arguments were conclusive proof that the Earth was stationary. Yet Tycho Brahe’s contribution to astronomy is enormous. He profoundly changed astronomical observational practices. Earlier astronomers ...
Can Comets Contain Water? A "Wet"
... observations at large distance “stellar” lightcurves for prolate objects ...
... observations at large distance “stellar” lightcurves for prolate objects ...
The Sky
... you would see many constellations and asterisms invisible from North America. – For example, the star Alpha Centauri is in the southern sky and isn’t visible from most of the United States. You could just glimpse it above the southern horizon if you were in Miami, but you could see it easily from Au ...
... you would see many constellations and asterisms invisible from North America. – For example, the star Alpha Centauri is in the southern sky and isn’t visible from most of the United States. You could just glimpse it above the southern horizon if you were in Miami, but you could see it easily from Au ...
aaswinter07ppt
... photosphere, and below the dust condensation radius. The flux density of the masers in these late-type stars typically have the same period as the optical or infrared pulsation period. In V838 Mon we have seen a steady rise in the flux density of the masers after their first detection to the present ...
... photosphere, and below the dust condensation radius. The flux density of the masers in these late-type stars typically have the same period as the optical or infrared pulsation period. In V838 Mon we have seen a steady rise in the flux density of the masers after their first detection to the present ...
UCLA 2004
... When 1 Ori C goes supernova, all the disks in the Orion Nebula will be pelted with radioactive ejecta Even more true for the disks observed in Carina Nebula, with sixty O stars [Smith et al. (2003)], many other H II regions Ejecta dust grains penetrate disk, evaporate on entry, but leave SLRs lodg ...
... When 1 Ori C goes supernova, all the disks in the Orion Nebula will be pelted with radioactive ejecta Even more true for the disks observed in Carina Nebula, with sixty O stars [Smith et al. (2003)], many other H II regions Ejecta dust grains penetrate disk, evaporate on entry, but leave SLRs lodg ...
Astrochemistry of dense protostellar and protoplanetary environments
... to have a rich chemical composition, with more than 130 different species identified in the gas, ranging from the simplest diatomic molecules such as CO to long carbon chains such as HC9 N and complex organic molecules like CH3 OCH3 . Polycyclic aromatic hydrocarbons (PAHs) are a ubiquitous componen ...
... to have a rich chemical composition, with more than 130 different species identified in the gas, ranging from the simplest diatomic molecules such as CO to long carbon chains such as HC9 N and complex organic molecules like CH3 OCH3 . Polycyclic aromatic hydrocarbons (PAHs) are a ubiquitous componen ...
Astronomy
... • Some oceans are 25-30 degrees celsius all year round • Greenhouse effect also counters this ...
... • Some oceans are 25-30 degrees celsius all year round • Greenhouse effect also counters this ...