The Life Cycle of Stars: Supernovae in Starbursts by Jason Kezwer
... resolution is required in order to detect supernovae in the extremely bright nuclear environments of LIRGs. Alternatively, infrared spectroscopy would reveal the telltale spectral features of nuclear supernovae. Spectroscopic observations of the Arp 220 nuclei were conducted using Keck in July 2013 ...
... resolution is required in order to detect supernovae in the extremely bright nuclear environments of LIRGs. Alternatively, infrared spectroscopy would reveal the telltale spectral features of nuclear supernovae. Spectroscopic observations of the Arp 220 nuclei were conducted using Keck in July 2013 ...
9th Conference of Hel.A.S. Athens, 20
... Why the magnetic flux and the impulsive energy released in solar active regions follow a universal power law distribution? Instrumentation, observational techniques and first results from the total solar eclipse of July 22, 2009 in China ...
... Why the magnetic flux and the impulsive energy released in solar active regions follow a universal power law distribution? Instrumentation, observational techniques and first results from the total solar eclipse of July 22, 2009 in China ...
Ages of Young Stars
... core temperatures rise. If the star is more massive than ' 0.06 M , the core temperature will eventually become high enough (∼ 3 MK) to burn lithium (7 Li) in proton capture reactions (Basri et al., 1996; Chabrier et al., 1996; Bildsten et al., 1997; Ushomirsky et al., 1998). PMS stars reach this L ...
... core temperatures rise. If the star is more massive than ' 0.06 M , the core temperature will eventually become high enough (∼ 3 MK) to burn lithium (7 Li) in proton capture reactions (Basri et al., 1996; Chabrier et al., 1996; Bildsten et al., 1997; Ushomirsky et al., 1998). PMS stars reach this L ...
Synthesis of Complex Organic Molecules
... eject layers of unprocessed material from within the star, belching out He, C, O, Si, S. . . New elements are also synthesised behind the shock wave – the intense heat allowing elements heavier than iron to fuse. Neutrons bombard iron nuclei, producing gold and, subsequently, lead then uranium. Thes ...
... eject layers of unprocessed material from within the star, belching out He, C, O, Si, S. . . New elements are also synthesised behind the shock wave – the intense heat allowing elements heavier than iron to fuse. Neutrons bombard iron nuclei, producing gold and, subsequently, lead then uranium. Thes ...
Planetary Nebula
... structure of planetary nebula NGC 7008. Because the central star is so prominent, the original thinking on this nebula’s formation focused around the central star itself. But the motions of the gas are also being observed and a recent study suggest that some of the structures observed are caused by ...
... structure of planetary nebula NGC 7008. Because the central star is so prominent, the original thinking on this nebula’s formation focused around the central star itself. But the motions of the gas are also being observed and a recent study suggest that some of the structures observed are caused by ...
Chemical Evolution of Galactic Systems
... processes that fueled the formation of our Galaxy. We demonstrate the importance of low- and intermediate-mass stars in explaining the elemental and isotopic abundance patterns measured in Galactic stars. An intriguing question in astrophysics is whether pollution from intermediate-mass stellar wind ...
... processes that fueled the formation of our Galaxy. We demonstrate the importance of low- and intermediate-mass stars in explaining the elemental and isotopic abundance patterns measured in Galactic stars. An intriguing question in astrophysics is whether pollution from intermediate-mass stellar wind ...
A Spectroscopically Confirmed Excess of 24 micron Sources in a
... to determine rest-frame absolute magnitudes (Vega) and Kcorrections. As input, we use the MAG− AUTO photometry from the g′ BV r′ R imaging and assumed minimum photometric uncertainties in each bandpass of 0.05 mag. The photometry has been corrected for foreground Galactic extinction using the Schleg ...
... to determine rest-frame absolute magnitudes (Vega) and Kcorrections. As input, we use the MAG− AUTO photometry from the g′ BV r′ R imaging and assumed minimum photometric uncertainties in each bandpass of 0.05 mag. The photometry has been corrected for foreground Galactic extinction using the Schleg ...
the evolution of planetary systems with time
... main directions. Most recent work focuses on the particular case of constant mass loss rates, although stellar mass loss typically varies with time. For single planet systems, we extend existing calculations to account for the time dependence of the mass loss. For systems with multiple (two) planets ...
... main directions. Most recent work focuses on the particular case of constant mass loss rates, although stellar mass loss typically varies with time. For single planet systems, we extend existing calculations to account for the time dependence of the mass loss. For systems with multiple (two) planets ...
Picturing Objects in the Making: Scheiner, Galileo and the Discovery
... News of the existence of sunspots began to circulate toward the end of 1611. Their discovery was an important coda to the first wave of astronomical findings that followed the introduction of the telescope in 1609. Not only were sunspots independently detected by a number of people involved in or mo ...
... News of the existence of sunspots began to circulate toward the end of 1611. Their discovery was an important coda to the first wave of astronomical findings that followed the introduction of the telescope in 1609. Not only were sunspots independently detected by a number of people involved in or mo ...
MPA Anniversary Brochure - Max Planck Institute for Astrophysics
... on two previous machines, G1 and G2, which had been built in the Institute for Physics in Göttingen. The G3 turned the MPA into a German centre for computer development, but the demand for computation kept growing. More and more people at the Munich universities learned of the possibilities of highl ...
... on two previous machines, G1 and G2, which had been built in the Institute for Physics in Göttingen. The G3 turned the MPA into a German centre for computer development, but the demand for computation kept growing. More and more people at the Munich universities learned of the possibilities of highl ...
Worlds Beyond The Poles
... would have long since acquired land areas of the universe about us. There was no misinterpretation of signals by the seeker of 1926. He journeyed to the celestial beacons on the wings of extrasensory perception’s limitless necromancy. That magic permitted breaking through the long-established barrie ...
... would have long since acquired land areas of the universe about us. There was no misinterpretation of signals by the seeker of 1926. He journeyed to the celestial beacons on the wings of extrasensory perception’s limitless necromancy. That magic permitted breaking through the long-established barrie ...
The Collision Between The Milky Way And Andromeda
... therefore the most powerful tool, to study the formation and evolution of galactic structure. Like most extragalactic groups, the Local Group is very likely to be decoupled from the cosmological expansion and is now a gravitationally bound collection of galaxies. This notion is supported by the obse ...
... therefore the most powerful tool, to study the formation and evolution of galactic structure. Like most extragalactic groups, the Local Group is very likely to be decoupled from the cosmological expansion and is now a gravitationally bound collection of galaxies. This notion is supported by the obse ...
The Norma cluster (ACO3627) – II. The near-infrared Ks
... suggest that the dip may be caused by the contribution of the earlytype galaxies at the bright end, which could be better fit by a Gaussian, while the faint end could be fit by a power law. This is supported by observations of a similar dip in the NIR LF of Coma at H ∼ −22 mag (Andreon & Pelló 2000 ...
... suggest that the dip may be caused by the contribution of the earlytype galaxies at the bright end, which could be better fit by a Gaussian, while the faint end could be fit by a power law. This is supported by observations of a similar dip in the NIR LF of Coma at H ∼ −22 mag (Andreon & Pelló 2000 ...
2. The X-ray-Radio correlation for bulgeless galaxies
... Fig. 20: The bulgeless galaxies detected in the X-ray band by the C-COSMOS survey. The continuous line represents the luminosity detection limit for the survey in respect to the redshift. The dashed line represents the limit above which galaxies are considered AGN................................... ...
... Fig. 20: The bulgeless galaxies detected in the X-ray band by the C-COSMOS survey. The continuous line represents the luminosity detection limit for the survey in respect to the redshift. The dashed line represents the limit above which galaxies are considered AGN................................... ...
A spectroscopic investigation of the O-type star - ORBi
... Moreover, the distribution of the orbital parameters provides observational clues to the way that O-type stars form and to the interactions during their evolution. Aims. Our objective is to constrain the multiplicity of a sample of O-type stars belonging to poorly investigated OB associations in the ...
... Moreover, the distribution of the orbital parameters provides observational clues to the way that O-type stars form and to the interactions during their evolution. Aims. Our objective is to constrain the multiplicity of a sample of O-type stars belonging to poorly investigated OB associations in the ...
DOC - WordPress.com
... These fears continue on a larger scale today. Parliamentarians from the fortyseven nation Council of Europe issued a resolution on October 4, 2007, in which they alerted both their member states and the world that “creationism could become a threat to human rights.”4 The council members saw this ...
... These fears continue on a larger scale today. Parliamentarians from the fortyseven nation Council of Europe issued a resolution on October 4, 2007, in which they alerted both their member states and the world that “creationism could become a threat to human rights.”4 The council members saw this ...
The Rotation Period and Lightcurve Amplitude of Kuiper Belt Dwarf
... Because our 2006 observations had shown the lightcurve amplitude to be very small, we planned our 2007 observations to obtain the largest possible amount of consistent, high-quality photometry. We spent a bare minimum of time on calibration stars during the time Makemake was observable each night, a ...
... Because our 2006 observations had shown the lightcurve amplitude to be very small, we planned our 2007 observations to obtain the largest possible amount of consistent, high-quality photometry. We spent a bare minimum of time on calibration stars during the time Makemake was observable each night, a ...
Consistent metallicity scale for cool dwarfs and giants
... synthesis or curve of growth is a rather well-established technique, largely available to most astronomers. A more detailed view of stellar abundances has become possible since the advent of 8-10m class telescopes coupled with high-efficiency spectrographs, which produced high quality spectra for ma ...
... synthesis or curve of growth is a rather well-established technique, largely available to most astronomers. A more detailed view of stellar abundances has become possible since the advent of 8-10m class telescopes coupled with high-efficiency spectrographs, which produced high quality spectra for ma ...
Abstract book
... wider range of wavelengths, by searching for chemical tracers of the internal nucleosynthesis. We will discuss how to carry on this task in the framework of the future developments of instruments and telescopes. ...
... wider range of wavelengths, by searching for chemical tracers of the internal nucleosynthesis. We will discuss how to carry on this task in the framework of the future developments of instruments and telescopes. ...
Towards the understanding of the deepest layers of solar
... I would like to start by thanking both my supervisors, Dra. Margarida Cunha and Prof. Dr. Jørgen Christensen-Dalsgaard, without whom the realization of this thesis would not have been possible. I would like to give a very special thank to Prof. Dr. Jørgen ChristensenDalsgaard for his hospitality and ...
... I would like to start by thanking both my supervisors, Dra. Margarida Cunha and Prof. Dr. Jørgen Christensen-Dalsgaard, without whom the realization of this thesis would not have been possible. I would like to give a very special thank to Prof. Dr. Jørgen ChristensenDalsgaard for his hospitality and ...
UNIVERSITÀ DEGLI STUDI DI PADOVA Tesi di
... ThermoSolar Power Systems concentrate sunlight, usually with mirrors, to heat to high temperatures a uid that drives an engine. This approach diers from the one used by Photovoltaic Solar Power Systems, where light interacts directly with special materials to separate charges and generate electric ...
... ThermoSolar Power Systems concentrate sunlight, usually with mirrors, to heat to high temperatures a uid that drives an engine. This approach diers from the one used by Photovoltaic Solar Power Systems, where light interacts directly with special materials to separate charges and generate electric ...