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brochure in PDF format - MIT Haystack Observatory
... the radio sky and provides a convenient laboratory to investigate various radio phenomena at high spatial and spectral resolutions. Haystack scientists are studing observational techniques to probe the charged outer layers of the Sun that affect Earth through the solar wind and geomagnetic storms. St ...
... the radio sky and provides a convenient laboratory to investigate various radio phenomena at high spatial and spectral resolutions. Haystack scientists are studing observational techniques to probe the charged outer layers of the Sun that affect Earth through the solar wind and geomagnetic storms. St ...
Lecture 13 - Star Formation
... • The interstellar medium (ISM) consists of gas and dust. • Gas is mainly hydrogen, but also contains other elements and molecules. • Density is typically around 1 atom per cubic centimeter. ...
... • The interstellar medium (ISM) consists of gas and dust. • Gas is mainly hydrogen, but also contains other elements and molecules. • Density is typically around 1 atom per cubic centimeter. ...
EVALUATION OF FINNIS+ ASTRONOM<
... Because astronomy is observational, it develops the skills of data interpretation. These skills include sorting large populations to identify individual significant samples, reducing vast amounts of data to an understandable form, forming simulations of complex interactions, interpreting numerical d ...
... Because astronomy is observational, it develops the skills of data interpretation. These skills include sorting large populations to identify individual significant samples, reducing vast amounts of data to an understandable form, forming simulations of complex interactions, interpreting numerical d ...
“White Hot” Star Lab
... tape or placing a ruler next to an object to find out how long it is. Direct measurements are made on objects that can be easily handled. If objects are too big or too far away, such as the case with planets and stars, indirect measurements must be made. Parallax is an example of an indirect measure ...
... tape or placing a ruler next to an object to find out how long it is. Direct measurements are made on objects that can be easily handled. If objects are too big or too far away, such as the case with planets and stars, indirect measurements must be made. Parallax is an example of an indirect measure ...
What Makes a Failure? Designing a New National Telescope, 1975
... Participants addressed such broad issues as the role of ground-based telescopes in the coming era of the Hubble Space Telescope, institutional collaboration, and funding for new telescope projects. At one of these sessions, William Howard of the NSF summed up the funding community’s viewpoint: “The ...
... Participants addressed such broad issues as the role of ground-based telescopes in the coming era of the Hubble Space Telescope, institutional collaboration, and funding for new telescope projects. At one of these sessions, William Howard of the NSF summed up the funding community’s viewpoint: “The ...
The Bigger Picture
... Stellar Luminosity • When we learn how to get distances beyond the limits of parallax and sample many more stars, we will find there are stars that are stars that are 106 times the luminosity of the Sun. • This is an enormous range in energy output from stars. This is an important clue in figuring ...
... Stellar Luminosity • When we learn how to get distances beyond the limits of parallax and sample many more stars, we will find there are stars that are stars that are 106 times the luminosity of the Sun. • This is an enormous range in energy output from stars. This is an important clue in figuring ...
June 2015 - Bristol Astronomical Society
... Epsilon2 themselves are double stars; hence the nickname "The Double Double". However, you won't be able to further split these two stars with binoculars; it requires much higher magnification. A small 70mm to 80mm telescope at about 120x magnification will do the job, if the seeing conditions are g ...
... Epsilon2 themselves are double stars; hence the nickname "The Double Double". However, you won't be able to further split these two stars with binoculars; it requires much higher magnification. A small 70mm to 80mm telescope at about 120x magnification will do the job, if the seeing conditions are g ...
Epsilon Aurigae – CCD Photometry Using a Small Telescope
... The first radius is the size of the aperture to be used for measuring the flux from the star. It should be large enough to include all the obvious bright pixels, but not much larger. The second radius is the inner radius of the annulus that will be used to measure the background sky brightness. The ...
... The first radius is the size of the aperture to be used for measuring the flux from the star. It should be large enough to include all the obvious bright pixels, but not much larger. The second radius is the inner radius of the annulus that will be used to measure the background sky brightness. The ...
Data Visualization - A Very Rough Guide Ken Brodlie University of Leeds
... Again we can express as a dataflow – but emphasis now is on data itself rather than underlying entity First step is to form the data into a table of observations, each observation being a set of values of the variables Then we apply a visualization technique as before ...
... Again we can express as a dataflow – but emphasis now is on data itself rather than underlying entity First step is to form the data into a table of observations, each observation being a set of values of the variables Then we apply a visualization technique as before ...
Data Visualization
... Again we can express as a dataflow – but emphasis now is on data itself rather than underlying entity First step is to form the data into a table of observations, each observation being a set of values of the variables Then we apply a visualization technique as before ...
... Again we can express as a dataflow – but emphasis now is on data itself rather than underlying entity First step is to form the data into a table of observations, each observation being a set of values of the variables Then we apply a visualization technique as before ...
talk.wyse - Johns Hopkins University
... Different baryonic histories, same dark matter halos (Gilmore et al, inc RW 07): not strong feedback from baryons to dark halo (cf Read et al 06, Fellhauer et al 08) ...
... Different baryonic histories, same dark matter halos (Gilmore et al, inc RW 07): not strong feedback from baryons to dark halo (cf Read et al 06, Fellhauer et al 08) ...
The Birth of a Supernova Seen in Real Time
... VLBI since it may enable us to actually resolve the ejecta. Along this line, we obtained VLBA observations of SN 2008D at 1 month after the explosion (Figure 2). While the relativistic ejecta from a GRB or XRF would be easily resolved in this observation, the non-relativistic material form an ordina ...
... VLBI since it may enable us to actually resolve the ejecta. Along this line, we obtained VLBA observations of SN 2008D at 1 month after the explosion (Figure 2). While the relativistic ejecta from a GRB or XRF would be easily resolved in this observation, the non-relativistic material form an ordina ...
AST301.Ch18.InterstelMed - University of Texas Astronomy
... we “saw” as dark clouds due to dust extinction. We are just looking at them in two different ways. So it was actually been known that stars form in dense clouds long before interstellar molecules were discovered.] A huge number of molecules have been discovered in the interstellar medium, most of th ...
... we “saw” as dark clouds due to dust extinction. We are just looking at them in two different ways. So it was actually been known that stars form in dense clouds long before interstellar molecules were discovered.] A huge number of molecules have been discovered in the interstellar medium, most of th ...
DTU_9e_ch13
... A burster emits X rays with a constant low intensity interspersed with occasional powerful bursts. This burst was recorded in September 1975 by an X-ray telescope that was pointed toward the globular cluster NGC 6624. ...
... A burster emits X rays with a constant low intensity interspersed with occasional powerful bursts. This burst was recorded in September 1975 by an X-ray telescope that was pointed toward the globular cluster NGC 6624. ...
Contents ISP 205 Section 2 Study Guide for Test 3 28 March 2007
... o Giants burn hydrogen in a shell, helium, or other elements White dwarfs are earth-sized, dead stars. Main sequence is a mass sequence o O stars are massive o M stars have least mass Hot massive stars live a short life and cool stars live a long time o Lifetime=mass/luminosity o Comparison: If sun ...
... o Giants burn hydrogen in a shell, helium, or other elements White dwarfs are earth-sized, dead stars. Main sequence is a mass sequence o O stars are massive o M stars have least mass Hot massive stars live a short life and cool stars live a long time o Lifetime=mass/luminosity o Comparison: If sun ...
the magellanic clouds newsletter - Keele University Astrophysics
... Deep photometry of the Small Magellanic Cloud (SMC) stellar periphery (R = 4◦ , 4.2 kpc) is used to study its lineof-sight depth with red clump (RC) stars. The RC luminosity function is affected little by young (< 1 Gyr) blue-loop stars in these regions because their main-sequence counterparts are n ...
... Deep photometry of the Small Magellanic Cloud (SMC) stellar periphery (R = 4◦ , 4.2 kpc) is used to study its lineof-sight depth with red clump (RC) stars. The RC luminosity function is affected little by young (< 1 Gyr) blue-loop stars in these regions because their main-sequence counterparts are n ...
Galileo`s telescope - Exhibits on-line
... Later the tube became standardised. As telescopes grew in size, it became telescopic, that is, made of several sections sliding into one another, to reduce its size when not in use. The preferred material became cardboard, lightweight but able to provide the necessary rigidity. The secondary section ...
... Later the tube became standardised. As telescopes grew in size, it became telescopic, that is, made of several sections sliding into one another, to reduce its size when not in use. The preferred material became cardboard, lightweight but able to provide the necessary rigidity. The secondary section ...
Section 4
... There are two major types of star clusters: open clusters and globular clusters. Open clusters have a loose, disorganized appearance and contain no more than a few thousand stars. They often contain many bright supergiants and much gas and dust. In contrast, globular clusters are large groupings of ...
... There are two major types of star clusters: open clusters and globular clusters. Open clusters have a loose, disorganized appearance and contain no more than a few thousand stars. They often contain many bright supergiants and much gas and dust. In contrast, globular clusters are large groupings of ...
The Stellar Content of Obscured Galactic Giant H II Regions
... In this series of papers we shall follow a suggestion of Dr. Robert Kennicutt (private communication) that “giant” means that more than 1050 Lyman continuum photons are inferred to be emitted per second from the H II region. This is about ten times the luminosity of the Orion nebula and roughly the ...
... In this series of papers we shall follow a suggestion of Dr. Robert Kennicutt (private communication) that “giant” means that more than 1050 Lyman continuum photons are inferred to be emitted per second from the H II region. This is about ten times the luminosity of the Orion nebula and roughly the ...
Lecture1-1
... sq.degree (in green). The spectroscopic survey obtains optical spectra of galaxies and quasars in the 3800-9200A wavelength range with spectral resolution R=1800-2200. ...
... sq.degree (in green). The spectroscopic survey obtains optical spectra of galaxies and quasars in the 3800-9200A wavelength range with spectral resolution R=1800-2200. ...
Chapter14(4-7-11)
... • 14.2 Galactic Recycling (closely related to Ch. 13) • 14.3 The History of the Milky Way • 14.4 The Mysterious Galactic Center ...
... • 14.2 Galactic Recycling (closely related to Ch. 13) • 14.3 The History of the Milky Way • 14.4 The Mysterious Galactic Center ...
International Ultraviolet Explorer
![](https://en.wikipedia.org/wiki/Special:FilePath/International_Ultraviolet_Explorer.gif?width=300)
The International Ultraviolet Explorer (IUE) was an astronomical observatory satellite primarily designed to take ultraviolet spectra. The satellite was a collaborative project between NASA, the UK Science Research Council and the European Space Agency (ESA). The mission was first proposed in early 1964, by a group of scientists in the United Kingdom, and was launched on January 26, 1978 aboard a NASA Delta rocket. The mission lifetime was initially set for 3 years, but in the end it lasted almost 18 years, with the satellite being shut down in 1996. The switch-off occurred for financial reasons, while the telescope was still functioning at near original efficiency.It was the first space observatory to be operated in real time by astronomers who visited the groundstations in the United States and Europe. Astronomers made over 104,000 observations using the IUE, of objects ranging from solar system bodies to distant quasars. Among the significant scientific results from IUE data were the first large scale studies of stellar winds, accurate measurements of the way interstellar dust absorbs light, and measurements of the supernova SN1987A which showed that it defied stellar evolution theories as they then stood. When the mission ended, it was considered the most successful astronomical satellite ever.