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Next Generation VLA Science White Paper
... Radio telescopes are essential to our understanding of “galaxy ecosytems,” here meaning the complex interplay of gas, stars, black holes, and dark matter in and around galaxies. They provide a main tool to study almost all phases of gas in galaxies: cool and cold gas (via emission and absorption lin ...
... Radio telescopes are essential to our understanding of “galaxy ecosytems,” here meaning the complex interplay of gas, stars, black holes, and dark matter in and around galaxies. They provide a main tool to study almost all phases of gas in galaxies: cool and cold gas (via emission and absorption lin ...
Activity: Multiwavelength Bingo - Chandra X
... wins. If not, incorrect tokens are removed and play continues until “bingo” is called again and verified. ...
... wins. If not, incorrect tokens are removed and play continues until “bingo” is called again and verified. ...
m V
... ASTR112 The Galaxy Lecture 10 • Extinction is small in infrared • However some M giant stars have dust shells around them giving large circumstellar extinction • These circumstellar grains probably form in the atmosphere of the M star itself • Such stars generally show a broad dip in spectrum at λ ...
... ASTR112 The Galaxy Lecture 10 • Extinction is small in infrared • However some M giant stars have dust shells around them giving large circumstellar extinction • These circumstellar grains probably form in the atmosphere of the M star itself • Such stars generally show a broad dip in spectrum at λ ...
Rest-frame Optical Spectra: A Window into Galaxy Formation at z~2
... • How are stellar mass and structure assembled in galaxies (in situ star formation vs. mergers)? • How do galaxies exchange gas and heavy elements with the intergalactic medium? • What is the nature of the co-evolution of black holes and stellar populations? Rest-frame optical spectroscopic obser ...
... • How are stellar mass and structure assembled in galaxies (in situ star formation vs. mergers)? • How do galaxies exchange gas and heavy elements with the intergalactic medium? • What is the nature of the co-evolution of black holes and stellar populations? Rest-frame optical spectroscopic obser ...
The National Centre for Radio Astrophysics
... Active Galaxies and Clusters: (C. H. Ishwara-Chandra, Dharam Vir Lal, D. J. Saikia) These are galaxies where extremely energetic phenomena take place, driven by activity around the supermassive black holes at their centres. These result in the emission of enormous amounts of radiation in various wav ...
... Active Galaxies and Clusters: (C. H. Ishwara-Chandra, Dharam Vir Lal, D. J. Saikia) These are galaxies where extremely energetic phenomena take place, driven by activity around the supermassive black holes at their centres. These result in the emission of enormous amounts of radiation in various wav ...
lecture course
... gravitational lensing (both weak and strong) measurements. The existence of dark matter in a cosmological context comes from the consideration of a large number of datasets in conjunction with each other.for example, information comes from measurements of cosmic shear and the Lyman forest. Cosmologi ...
... gravitational lensing (both weak and strong) measurements. The existence of dark matter in a cosmological context comes from the consideration of a large number of datasets in conjunction with each other.for example, information comes from measurements of cosmic shear and the Lyman forest. Cosmologi ...
01 - University of Warwick
... The second satellite is fainter than the first, but still detected done rigorous scientific calculations to verify that the hyin three of the five images of the first satellite. You can read pothesis actually works in detail, but our scientific instinct the (again, technical) scientific paper descri ...
... The second satellite is fainter than the first, but still detected done rigorous scientific calculations to verify that the hyin three of the five images of the first satellite. You can read pothesis actually works in detail, but our scientific instinct the (again, technical) scientific paper descri ...
Lecture 22 - Cosmic distance scale
... As the Earth moves from one side of the Sun to the other, a nearby star will seem to change its position relative to the distant background stars. ...
... As the Earth moves from one side of the Sun to the other, a nearby star will seem to change its position relative to the distant background stars. ...
1Cmoles.pdf
... determination are correspondingly rough. At the other extreme in spectral resolution, spectroscopic surveys cannot go as deep as the photometric surveys, reaching only I ≈ 24 with the use of large telescopes. The covered fields are necessarily small and cannot cope with the complex variety of object ...
... determination are correspondingly rough. At the other extreme in spectral resolution, spectroscopic surveys cannot go as deep as the photometric surveys, reaching only I ≈ 24 with the use of large telescopes. The covered fields are necessarily small and cannot cope with the complex variety of object ...
Project Descriptions - UCI Physics and Astronomy
... motions of the four satellites of Saturn. Investigate their positions for the dates that you are schedule to observe at the UCI Observatory. See the observatory schedule on the web at http://wwww.physics.uci.edu/˜observat/cosmos schedule.html and assume you’ll be working from about 9 pm to midnight ...
... motions of the four satellites of Saturn. Investigate their positions for the dates that you are schedule to observe at the UCI Observatory. See the observatory schedule on the web at http://wwww.physics.uci.edu/˜observat/cosmos schedule.html and assume you’ll be working from about 9 pm to midnight ...
CONTINUING GALACTIC FORMATION
... -There are tremendous quantities of radio signals emitted by the Milky Way's nucleus. -The immediate environment surrounding many hot blue stars. -Novae and Supernovae art frequent. -Observation of supergiant stars of short life times indicates that stars are being formed in the galactic center. -Th ...
... -There are tremendous quantities of radio signals emitted by the Milky Way's nucleus. -The immediate environment surrounding many hot blue stars. -Novae and Supernovae art frequent. -Observation of supergiant stars of short life times indicates that stars are being formed in the galactic center. -Th ...
Sample
... neutron star with a mass that is three times greater than the mass of the Sun cannot hold itself up under its own gravity and will compress into an infinitesimal point called a singularity, where the original matter is lost from view forever and only gravity remains, thus forming what is referred to ...
... neutron star with a mass that is three times greater than the mass of the Sun cannot hold itself up under its own gravity and will compress into an infinitesimal point called a singularity, where the original matter is lost from view forever and only gravity remains, thus forming what is referred to ...
3.1 Radio Astronomy Research Results For much of PY 2010, radio
... Extragalactic H I Studies – EALFA: The EALFA Consortium explores the extragalactic Universe via observation of the neutral hydrogen line (HI) at 21cm. Their strategy calls for a classic ‘wedding cake’ design, comprising three separate survey depths, each prosecuted by a different sub-consortium. AL ...
... Extragalactic H I Studies – EALFA: The EALFA Consortium explores the extragalactic Universe via observation of the neutral hydrogen line (HI) at 21cm. Their strategy calls for a classic ‘wedding cake’ design, comprising three separate survey depths, each prosecuted by a different sub-consortium. AL ...
Gravitational Lensing Abstract
... quasar images really were an illusion provided by curved spacetime or rather physical twins. But intensive observations soon confirmed the almost identical spectra. The intervening “lensing” galaxy was found, and the “supporting” cluster was identified as well. Later very similar lightcurves of the ...
... quasar images really were an illusion provided by curved spacetime or rather physical twins. But intensive observations soon confirmed the almost identical spectra. The intervening “lensing” galaxy was found, and the “supporting” cluster was identified as well. Later very similar lightcurves of the ...
Hubble`s Law
... Claim: can understand patter if Universe expanding. Let’s see how that really works. Here’s a universe--or at least piece of it; keeps going in all directions drawn galaxies, randomly but smoothly. Identified a few, but not special, I promise. Idea is really expand -- like on huge rubber sheet, stre ...
... Claim: can understand patter if Universe expanding. Let’s see how that really works. Here’s a universe--or at least piece of it; keeps going in all directions drawn galaxies, randomly but smoothly. Identified a few, but not special, I promise. Idea is really expand -- like on huge rubber sheet, stre ...
The Sculptor dwarf irregular galaxy SDIG: present and past
... may be dominated by the light of young stars and nebular emission, with less than 25 per cent of the light being attributable to an evolved population. Whether or not an old population exists in the least luminous star-forming dwarfs is unlikely to be resolved with certainty through photometry or sp ...
... may be dominated by the light of young stars and nebular emission, with less than 25 per cent of the light being attributable to an evolved population. Whether or not an old population exists in the least luminous star-forming dwarfs is unlikely to be resolved with certainty through photometry or sp ...
Spiral structure of the Third Galactic Quadrant and the solution to the
... the Galactic field population. We have recently found (Carraro et al. 2005) that the BP is actually composed of a young population less than 100 Myr old. Except for the cluster sequence which is well detached from the rest of the stars, the CMD of the field around the open cluster NGC 2362 shown in ...
... the Galactic field population. We have recently found (Carraro et al. 2005) that the BP is actually composed of a young population less than 100 Myr old. Except for the cluster sequence which is well detached from the rest of the stars, the CMD of the field around the open cluster NGC 2362 shown in ...
Moitinho et al. - Wiley Online Library
... apart from CMDs, two-colour diagrams (TCDs), which are distanceindependent, are also used in the analysis. Moreover, when TCDs are built using U-band data (not used in the other studies), reddening and spectral types of early-type stars can be uniquely derived. Furthermore, metallicity does not affe ...
... apart from CMDs, two-colour diagrams (TCDs), which are distanceindependent, are also used in the analysis. Moreover, when TCDs are built using U-band data (not used in the other studies), reddening and spectral types of early-type stars can be uniquely derived. Furthermore, metallicity does not affe ...
Measuring distances to the edge of the local group
... Scientific Justification Be sure to include overall significance to astronomy. For standard proposals limit text to one page with figures, captions and references on no more than two additional pages. We propose to measure the distance to the nearby dwarf irregular galaxies Sextans A, B, and NGC 310 ...
... Scientific Justification Be sure to include overall significance to astronomy. For standard proposals limit text to one page with figures, captions and references on no more than two additional pages. We propose to measure the distance to the nearby dwarf irregular galaxies Sextans A, B, and NGC 310 ...
–1– 2. Milky Way We know a great deal, perhaps more than any
... We know a great deal, perhaps more than any other galaxy, about the Milky Way (MW) due to our proximity. However, our inside position also hampers our understanding of the Milky Way. Fore example, the spiral arms of the Milky Way have to be inferred, while for many external galaxies, we can often di ...
... We know a great deal, perhaps more than any other galaxy, about the Milky Way (MW) due to our proximity. However, our inside position also hampers our understanding of the Milky Way. Fore example, the spiral arms of the Milky Way have to be inferred, while for many external galaxies, we can often di ...
The Formation and Evolution of Massive Black Holes - Ira-Inaf
... million M⊙ (23). This concept may seem disconcerting in the context of bottom-up galaxy formation; however, it is just a manifestation of cosmic downsizing. Galaxies built in halos forming on the highest peaks of the cosmic density field experience an accelerated evolution (higher merger rates, fast ...
... million M⊙ (23). This concept may seem disconcerting in the context of bottom-up galaxy formation; however, it is just a manifestation of cosmic downsizing. Galaxies built in halos forming on the highest peaks of the cosmic density field experience an accelerated evolution (higher merger rates, fast ...
Sample pages 1 PDF
... of our Galaxy has changed over time. To understand the formation and evolution of the Galaxy, a view of its (and thus our own) past would be useful. Unfortunately, this is physically impossible. However, due to the finite speed of light, we see objects at large distances in an earlier state, as they ...
... of our Galaxy has changed over time. To understand the formation and evolution of the Galaxy, a view of its (and thus our own) past would be useful. Unfortunately, this is physically impossible. However, due to the finite speed of light, we see objects at large distances in an earlier state, as they ...
The Galactic Halo The Galactic Disk Height and Thickness of MW
... young stars, but old stars are also present. rich in dust and gas. star formation is ongoing. stars moving in circular orbits around the Galactic center. ...
... young stars, but old stars are also present. rich in dust and gas. star formation is ongoing. stars moving in circular orbits around the Galactic center. ...
Galaxy Zoo
![](https://commons.wikimedia.org/wiki/Special:FilePath/Galaxyzoo.jpg?width=300)
Galaxy Zoo is a crowdsourced astronomy project which invites people to assist in the morphological classification of large numbers of galaxies. (e.g.) It is an example of citizen science as it enlists the help of members of the public to help in scientific research. There have been seven versions up to July 2014, which are outlined in this article. Galaxy Zoo is part of the Zooniverse, a group of citizen science projects.