Astronomy Astrophysics Spectral energy distributions of an AKARI-SDSS-GALEX sample of galaxies
... derives physical information about galaxies by fitting their UVto-far-IR SED (Noll et al. 2009b; Giovannoli et al. 2010). A Bayesian analysis is used to derive galaxy properties similar to that developed by Kauffmann et al. (2003a). CIGALE combines a UV-optical stellar SED and a dust, IR-emitting com ...
... derives physical information about galaxies by fitting their UVto-far-IR SED (Noll et al. 2009b; Giovannoli et al. 2010). A Bayesian analysis is used to derive galaxy properties similar to that developed by Kauffmann et al. (2003a). CIGALE combines a UV-optical stellar SED and a dust, IR-emitting com ...
The Virgo interferometer runs laser light back and forth inside two
... Swinkels says. Once the silica fibres are installed and other improvements are made, that could rise to one-half, meaning Virgo could scan a cosmic region eight times larger than with steel wires. Even though Virgo has less reach than LIGO, having a third machine will help in several ways. Interfero ...
... Swinkels says. Once the silica fibres are installed and other improvements are made, that could rise to one-half, meaning Virgo could scan a cosmic region eight times larger than with steel wires. Even though Virgo has less reach than LIGO, having a third machine will help in several ways. Interfero ...
Galaxy And Mass Assembly (GAMA): Understanding the wavelength
... ellipticals and lenticulars on the Hubble tuning fork diagram (Liller 1966). They have since been referred to as E/S0 galaxies and discy ellipticals (Nieto, Capaccioli & Held 1988; Simien & Michard 1990). This view was later augmented to include parallel sequences for spirals and lenticulars, with ‘ ...
... ellipticals and lenticulars on the Hubble tuning fork diagram (Liller 1966). They have since been referred to as E/S0 galaxies and discy ellipticals (Nieto, Capaccioli & Held 1988; Simien & Michard 1990). This view was later augmented to include parallel sequences for spirals and lenticulars, with ‘ ...
β Relation for Local Galaxies
... a much lower ratio of the b-parameter compared to starburst galaxies. However, the results of Boquien et al. (2009, 2012), and Siebert et al. (2005) do not support the birthrate parameter result; instead, they suggest that the offset may merely be a result of the difference in dust geometry between ...
... a much lower ratio of the b-parameter compared to starburst galaxies. However, the results of Boquien et al. (2009, 2012), and Siebert et al. (2005) do not support the birthrate parameter result; instead, they suggest that the offset may merely be a result of the difference in dust geometry between ...
Liverpool Telescope 2: a new robotic facility for rapid transient follow
... science. The next decade will see upgrades to existing surveys as well as construction of the next generation of facilities. The most ambitious is the Large Synoptic Survey Telescope (LSST: Ivezic et al 2008), which is expected to see scientific first-light in 2021. LSST will image the entire Southe ...
... science. The next decade will see upgrades to existing surveys as well as construction of the next generation of facilities. The most ambitious is the Large Synoptic Survey Telescope (LSST: Ivezic et al 2008), which is expected to see scientific first-light in 2021. LSST will image the entire Southe ...
Stellar dust production and composition in the Magellanic Clouds F. Kemper
... Due to our vantage point within the Milky Way, and the extinction in the Galactic plane it is not possible to obtain a full global picture of the dust production from evolved stars in our own Galaxy. Instead, a global picture may be obtained from nearby external galaxies, and the Magellanic Clouds a ...
... Due to our vantage point within the Milky Way, and the extinction in the Galactic plane it is not possible to obtain a full global picture of the dust production from evolved stars in our own Galaxy. Instead, a global picture may be obtained from nearby external galaxies, and the Magellanic Clouds a ...
The short-exposure image of a point source formed by a corrugated
... about 1 arcsec; consequently, a 10-m telescope has approximately the same resolving capabilities as a small 10-cm diameter tube. Resolution limitations caused by the atmospheric smearing, were first overcame by Michelson and his collaborators in 1920s by making use of interferometric properties of l ...
... about 1 arcsec; consequently, a 10-m telescope has approximately the same resolving capabilities as a small 10-cm diameter tube. Resolution limitations caused by the atmospheric smearing, were first overcame by Michelson and his collaborators in 1920s by making use of interferometric properties of l ...
Abstract Title of Dissertation: BLACK HOLE DYNAMICS AND GRAVITATIONAL RADIATION IN GALACTIC NUCLEI
... that host supermassive black holes. Mergers between stellar-mass black holes will be key sources of gravitational radiation for ground-based detectors. However, the rates of these events are highly uncertain, because we can not observe these binaries electromagnetically. In this work, we show that t ...
... that host supermassive black holes. Mergers between stellar-mass black holes will be key sources of gravitational radiation for ground-based detectors. However, the rates of these events are highly uncertain, because we can not observe these binaries electromagnetically. In this work, we show that t ...
A SPECTROSCOPIC STUDY OF A LARGE SAMPLE OF WOLF-RAYET GALAXIES
... hence cannot be distinguished from other WR stars in low-resolution spectra. Additionally, WNE stars are not as luminous as WNL stars in the optical range. The WR star lifetime in the WNE stage is short compared to that in the WNL stage for nearly all metallicities and progenitor star masses (Maeder ...
... hence cannot be distinguished from other WR stars in low-resolution spectra. Additionally, WNE stars are not as luminous as WNL stars in the optical range. The WR star lifetime in the WNE stage is short compared to that in the WNL stage for nearly all metallicities and progenitor star masses (Maeder ...
initial LIGO construction,
... radiation. These can be verified by observations with LIGO providing there are sufficiently high signal to noise detections. These include probes of strong-field gravity associated with black holes, the spin character of the radiation field, and the wave propagation speed. The gravitational wave “sk ...
... radiation. These can be verified by observations with LIGO providing there are sufficiently high signal to noise detections. These include probes of strong-field gravity associated with black holes, the spin character of the radiation field, and the wave propagation speed. The gravitational wave “sk ...
biennial 2004_05_engl_FINAL.indd - Albert Einstein Institute
... theory on a sound footing: theorists understood black holes, gravitational waves, gravitational lensing, and cosmology well enough to make confident physical predictions. This was just in time, because general relativity was becoming important to astronomy. The application of advanced technology to ...
... theory on a sound footing: theorists understood black holes, gravitational waves, gravitational lensing, and cosmology well enough to make confident physical predictions. This was just in time, because general relativity was becoming important to astronomy. The application of advanced technology to ...
How to measure seeing
... can divide astronomical observing into daily and night observing. The daily observing is limited by the brightness of the Sun. The Sun is the most sought after object for the daily observing. It is necessary to use a special solar filter to protect our sight. In day we can also observe other objects ...
... can divide astronomical observing into daily and night observing. The daily observing is limited by the brightness of the Sun. The Sun is the most sought after object for the daily observing. It is necessary to use a special solar filter to protect our sight. In day we can also observe other objects ...
Project: OBSERVE Handbook 2007
... Now compare that to how far they are from the horizon in the view from Florida. Cassiopeia has dropped completely below the horizon, and you can no longer see all of Cepheus. What could cause this to happen? We could come up with one explanation based on our understanding of the Earth’s rotation. We ...
... Now compare that to how far they are from the horizon in the view from Florida. Cassiopeia has dropped completely below the horizon, and you can no longer see all of Cepheus. What could cause this to happen? We could come up with one explanation based on our understanding of the Earth’s rotation. We ...
OLIMPO
... • We have selected 40 nearby rich clusters to be measured in a single long duration flight. • For all these clusters high quality data are available from XMM/Chandra ...
... • We have selected 40 nearby rich clusters to be measured in a single long duration flight. • For all these clusters high quality data are available from XMM/Chandra ...