Observations
... Coordinated observations by both Cassini and Galileo offer the unique opportunity to simultaneously observe the solar wind and Jupiter’s magnetosphere. Cassini in situ measurements of the upstream solar wind conditions while Galileo is deep in Jupiter’s magnetosphere are planned during approach. Out ...
... Coordinated observations by both Cassini and Galileo offer the unique opportunity to simultaneously observe the solar wind and Jupiter’s magnetosphere. Cassini in situ measurements of the upstream solar wind conditions while Galileo is deep in Jupiter’s magnetosphere are planned during approach. Out ...
Understanding the concept of resolving power in the Fabry–Perot
... wavelength coming from a light source generates a set of light circles. The resolving power is a measure of the ability to discriminate between sets of circles generated by different wavelengths. Moreover, it is also necessary to define mathematically a separation criterion between two very close ma ...
... wavelength coming from a light source generates a set of light circles. The resolving power is a measure of the ability to discriminate between sets of circles generated by different wavelengths. Moreover, it is also necessary to define mathematically a separation criterion between two very close ma ...
JHU Talk 1Feb05 - NRAO Charlottesville
... spectrum of planets, young stars, many distant galaxies. Cool objects tend to be extended, hence ALMA’s mandate to image with high sensitivity, recovering all of an object’s emitted flux at the frequency of interest. Most of the observed transitions of the 125 known interstellar molecules lie in the ...
... spectrum of planets, young stars, many distant galaxies. Cool objects tend to be extended, hence ALMA’s mandate to image with high sensitivity, recovering all of an object’s emitted flux at the frequency of interest. Most of the observed transitions of the 125 known interstellar molecules lie in the ...
A subaru/suprime-cam wide
... (Durham, UK/Subaru Telescope, NAOJ) R. Sharples (Durham), N. Arimoto (NAOJ), M. Onodera (NAOJ / Univ. of Tokyo), K. Ohta (Kyoto Univ.), Y. Yamada (NAOJ) Subaru & ...
... (Durham, UK/Subaru Telescope, NAOJ) R. Sharples (Durham), N. Arimoto (NAOJ), M. Onodera (NAOJ / Univ. of Tokyo), K. Ohta (Kyoto Univ.), Y. Yamada (NAOJ) Subaru & ...
The Optical and Physical Advisor: Peter Collings
... similar azoxy-benzenes and is called ZhK 440 (Figure 1.1). ZhK 440 was developed and chosen because of its wide nematic liquid crystal phase, which includes room temperature. A nematic phase is one of orientational, but not translational order, Figure 1.2. The novel advantage of a photosensitive liq ...
... similar azoxy-benzenes and is called ZhK 440 (Figure 1.1). ZhK 440 was developed and chosen because of its wide nematic liquid crystal phase, which includes room temperature. A nematic phase is one of orientational, but not translational order, Figure 1.2. The novel advantage of a photosensitive liq ...
The Science Case for SPICA Far
... limitations imposed by the atmosphere, there is little sensitivity to dust components of different temperature, and magnetic field measurements on the largest scales and at the lowest surface brightnesses are likely to be filtered from the maps. SOFIA is likely to have a polarimeter during its proje ...
... limitations imposed by the atmosphere, there is little sensitivity to dust components of different temperature, and magnetic field measurements on the largest scales and at the lowest surface brightnesses are likely to be filtered from the maps. SOFIA is likely to have a polarimeter during its proje ...
The Pleiades in the Salle des Taureaux", Grotte de Lascaux
... circles the position at the epoch -15300. The proper motions of the stars are shown by connecting lines between the black and white circles. The shifting by reason of the precession of equinoxes is taken into account. Software Hipparcos 2000.0 for the Atari ST 1040 from ANDREAS KAMMERER, Karlsruhe, ...
... circles the position at the epoch -15300. The proper motions of the stars are shown by connecting lines between the black and white circles. The shifting by reason of the precession of equinoxes is taken into account. Software Hipparcos 2000.0 for the Atari ST 1040 from ANDREAS KAMMERER, Karlsruhe, ...
Z - STScI
... Late time tail powered by radioactive 56Ni 56Ni explosively created from Si burning after corecollapse Direct probe of the explosion How Is it related to progenitor mass ? ...
... Late time tail powered by radioactive 56Ni 56Ni explosively created from Si burning after corecollapse Direct probe of the explosion How Is it related to progenitor mass ? ...
Astrophysics in a Nutshell, Second Edition
... completely blown off and dispersed. During this very brief stage (∼104 yr), the star may appear as a planetary nebula1 (see Fig. 4.2), in which ultraviolet photons from the hot, newly exposed core excite the expanding shells of gas that previously constituted the outer layers of the star. Finally, t ...
... completely blown off and dispersed. During this very brief stage (∼104 yr), the star may appear as a planetary nebula1 (see Fig. 4.2), in which ultraviolet photons from the hot, newly exposed core excite the expanding shells of gas that previously constituted the outer layers of the star. Finally, t ...
Chapter 17--Star Stuff
... to be quite dense compared to the rest of the gas between the stars, although they would qualify as a superb vacuum by earthly standards. Like the galaxy as a whole, star-forming clouds are made almost entirely of hydrogen and helium. Star-forming clouds are sometimes called molecular clouds, becaus ...
... to be quite dense compared to the rest of the gas between the stars, although they would qualify as a superb vacuum by earthly standards. Like the galaxy as a whole, star-forming clouds are made almost entirely of hydrogen and helium. Star-forming clouds are sometimes called molecular clouds, becaus ...
Lecture 01 - BITS Pilani
... At constant T, Intensity increases as λ increases, attains a maximum value and then decreases. Not all the wavelengths of light are emitted equally. ...
... At constant T, Intensity increases as λ increases, attains a maximum value and then decreases. Not all the wavelengths of light are emitted equally. ...
TDR XFEL workshop series Atomic, molecular and cluster physics
... absorbs two photons and creates s-electron, after that the virtual 1s-vacancy decays through Auger channels. The contact interaction appears because of the fact that the electron shells of the atom are rearranged in the field of the 1svacancy. Without inclusion of the effect of relaxation of the ato ...
... absorbs two photons and creates s-electron, after that the virtual 1s-vacancy decays through Auger channels. The contact interaction appears because of the fact that the electron shells of the atom are rearranged in the field of the 1svacancy. Without inclusion of the effect of relaxation of the ato ...
1. The Birth of a Star
... viewscreen, it is crossing the center of the screen and is where the highest concentration of stars exists. That white stuff is actually stars … billions of stars … clustered so close together that their light merges into a broad milky haze. Mixed in with the stars is also gas and dust … countless t ...
... viewscreen, it is crossing the center of the screen and is where the highest concentration of stars exists. That white stuff is actually stars … billions of stars … clustered so close together that their light merges into a broad milky haze. Mixed in with the stars is also gas and dust … countless t ...
A self-consistent and time-dependent hybrid blazar emission model
... only the jet can provide (Urry 1998). Blazars have gained a lot of interest over the past decades mainly as a result of the discovery of their variable very high energy (VHE) emission with variations of many orders of magnitudes in the TeV regime using Air-Cherenkov telescopes like H.E.S.S., MAGIC, ...
... only the jet can provide (Urry 1998). Blazars have gained a lot of interest over the past decades mainly as a result of the discovery of their variable very high energy (VHE) emission with variations of many orders of magnitudes in the TeV regime using Air-Cherenkov telescopes like H.E.S.S., MAGIC, ...
GoldCreation
... One of my favorite astronomy-themed t-shirts says “You are star dust”. It makes the point that we are all made from long dead stars. Of course, everything around us is also made of star stuff. This even includes rare elements such as gold. This paper discusses the processes of gold formation. Most m ...
... One of my favorite astronomy-themed t-shirts says “You are star dust”. It makes the point that we are all made from long dead stars. Of course, everything around us is also made of star stuff. This even includes rare elements such as gold. This paper discusses the processes of gold formation. Most m ...
What is the difference between the Sidereal and Tropical Zodiacs
... Example 1; If you were born on the March Equinox your birth sign would be 0 0 Aries and the sun would have risen exactly in the east and set in the west. The sun travelled directly over the equator all that day before crossing into the northern hemisphere the next day. March Equinox and 00 Aries are ...
... Example 1; If you were born on the March Equinox your birth sign would be 0 0 Aries and the sun would have risen exactly in the east and set in the west. The sun travelled directly over the equator all that day before crossing into the northern hemisphere the next day. March Equinox and 00 Aries are ...
Automated Detection and Analysis of Meteor Events Using Nightly
... hours. Dec is like latitude projected onto the sky, the equator at 0°, North Pole at +90°, and South Pole at -90°. After finding the stars’ coordinates, I compare it to a star catalog and take the closest known bright star compared to the event star. To find the stars the program uses dbfind, which ...
... hours. Dec is like latitude projected onto the sky, the equator at 0°, North Pole at +90°, and South Pole at -90°. After finding the stars’ coordinates, I compare it to a star catalog and take the closest known bright star compared to the event star. To find the stars the program uses dbfind, which ...
Superprism phenomena in planar photonic crystals
... situation, where the incident edge 0– is tilted at 25 from the vertical direction (Fig. 1). From this picture, it can be seen that, when the wavelength is altered by 20 nm (the frequency changes from 0.217 to 0.214), the propagation direction swings by 10 (from A to B) assuming the input mode is inc ...
... situation, where the incident edge 0– is tilted at 25 from the vertical direction (Fig. 1). From this picture, it can be seen that, when the wavelength is altered by 20 nm (the frequency changes from 0.217 to 0.214), the propagation direction swings by 10 (from A to B) assuming the input mode is inc ...
THE KINEMATICS OF ARP 295 IN Hα EMISSION
... Stockton (1974) obtained long-slit spectra for the two galaxies, measured their radial velocity difference as 100 ± 20 km s−1 , found Arp 295b to be rotating in the sense that it is receding on its western side, and that Arp 295a is receding on its northeastern side. Thus, with respect to their mutu ...
... Stockton (1974) obtained long-slit spectra for the two galaxies, measured their radial velocity difference as 100 ± 20 km s−1 , found Arp 295b to be rotating in the sense that it is receding on its western side, and that Arp 295a is receding on its northeastern side. Thus, with respect to their mutu ...
Lecture notes lecture 11 (diffraction)
... How does a color TV work? How do you get white, orange or black on your color TV? ...
... How does a color TV work? How do you get white, orange or black on your color TV? ...
Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other hot celestial objects. Spectroscopy can be used to derive many properties of distant stars and galaxies, such as their chemical composition, temperature, density, mass, distance, luminosity, and relative motion using Doppler shift measurements.