FY12 - National Optical Astronomy Observatory
... both images, the instrumental calibration (flat fielding and astrometry) was done with the DECam Community Pipeline and the remapping, stacking, and color compositing was done with IRAF. The unprecedented wide-field and the efficiency by which the images can be produced make these two images unique. ...
... both images, the instrumental calibration (flat fielding and astrometry) was done with the DECam Community Pipeline and the remapping, stacking, and color compositing was done with IRAF. The unprecedented wide-field and the efficiency by which the images can be produced make these two images unique. ...
STARLAB
... you told the first time. If time allows, show the Earth Cylinder or other cylinders. Try some activities from your Planetarium Activities for Student Success (PASS) volumes. (Did you send in your Product Registration form? See Note.) 6. It’s important that the students realize that you are learning ...
... you told the first time. If time allows, show the Earth Cylinder or other cylinders. Try some activities from your Planetarium Activities for Student Success (PASS) volumes. (Did you send in your Product Registration form? See Note.) 6. It’s important that the students realize that you are learning ...
Development of a Software Package for the Reduction and Analysis
... for the reduction and analysis of meteor videos. The uncertainty in determining the position of a meteor was computed to be 0.2−3.0 pixels, with a median value of 0.3 pixels. Sub-pixel accuracy (0.2−0.5 pixels) was also reached for the uncertainties in the astrometric transformation. Different modul ...
... for the reduction and analysis of meteor videos. The uncertainty in determining the position of a meteor was computed to be 0.2−3.0 pixels, with a median value of 0.3 pixels. Sub-pixel accuracy (0.2−0.5 pixels) was also reached for the uncertainties in the astrometric transformation. Different modul ...
environmental effects on galaxy evolution in nearby clusters
... The environmental effects on galaxy evolution in nearby clusters are investigated using a multiwavelength dataset. The present analysis is focused on the properties of three (Abell 1367, Virgo and Coma) among the best studied clusters in the local Universe. Due to the variety of their environmental ...
... The environmental effects on galaxy evolution in nearby clusters are investigated using a multiwavelength dataset. The present analysis is focused on the properties of three (Abell 1367, Virgo and Coma) among the best studied clusters in the local Universe. Due to the variety of their environmental ...
IOTA Observer`s Manual
... size and shape of asteroids and to aid in new discoveries about these mysterious objects, including some of the elusive small moons that orbit them. This observer’s manual is the first comprehensive book of its kind to assist beginning observers get started in occultation observations. This manual a ...
... size and shape of asteroids and to aid in new discoveries about these mysterious objects, including some of the elusive small moons that orbit them. This observer’s manual is the first comprehensive book of its kind to assist beginning observers get started in occultation observations. This manual a ...
Zweijahresbericht 2000-2001
... The years 2000 and especially 2001 brought the Astrophysical Institute Potsdam (AIP) a series of important changes. Professor Günther Hasinger, Director of the AIP’s research Branch II “Extragalactic Astrophysics and Cosmology” since 1994, left the institute on 30.9.2001 and became a director of th ...
... The years 2000 and especially 2001 brought the Astrophysical Institute Potsdam (AIP) a series of important changes. Professor Günther Hasinger, Director of the AIP’s research Branch II “Extragalactic Astrophysics and Cosmology” since 1994, left the institute on 30.9.2001 and became a director of th ...
constellations - Richmond and Glen Allen Weather
... discloses the star’s color. The easily noticed colors are red, yellow and bluish-white. A star’s color is directly associated with its surface temperature; blue stars are hot stars and red stars are cooler stars. Yellow, the color of our Sun, is the color band to which the human eye is most sensitiv ...
... discloses the star’s color. The easily noticed colors are red, yellow and bluish-white. A star’s color is directly associated with its surface temperature; blue stars are hot stars and red stars are cooler stars. Yellow, the color of our Sun, is the color band to which the human eye is most sensitiv ...
1 Globular Cluster Systems - McMaster Physics and Astronomy
... taken with the Hubble Space Telescope (see G. Harris et al. 1998); the eld size is 0.3 arcmin (or 340 parsecs) across, and the resolution is 0.1 arcsec. This is the most distant globular cluster for which a color-magnitude diagram has been obtained The sections to follow are organized in the same w ...
... taken with the Hubble Space Telescope (see G. Harris et al. 1998); the eld size is 0.3 arcmin (or 340 parsecs) across, and the resolution is 0.1 arcsec. This is the most distant globular cluster for which a color-magnitude diagram has been obtained The sections to follow are organized in the same w ...
kdtalk_jun2005 - The HST Treasury Program on Eta Carinae
... Therefore: Many observations, possible from 1997 to early 2004, will now be impossible for the forseeable future. But the case of Eta Car is even worse! By the time that some capable new instrument becomes available, perhaps 10 to 30 years from now, this star will have changed. ...
... Therefore: Many observations, possible from 1997 to early 2004, will now be impossible for the forseeable future. But the case of Eta Car is even worse! By the time that some capable new instrument becomes available, perhaps 10 to 30 years from now, this star will have changed. ...
The Evolution of Star Formation Activity in . Cory R. Wagner
... z ∼ 1.5 → 1.16, we find that new cluster early-type galaxies are likely being formed i ...
... z ∼ 1.5 → 1.16, we find that new cluster early-type galaxies are likely being formed i ...
here
... illuminated, 30.26 a.u., Aquarius), and Pluto on May 16th (magnitude +14.2, 0.1", 100% illuminated, 32.72 a.u., Sagittarius). In the evening, Mars is in the northeast and Jupiter in the southeast. Jupiter is located in the southwest and Saturn in the southeast at midnight. Mercury and Venus can be ...
... illuminated, 30.26 a.u., Aquarius), and Pluto on May 16th (magnitude +14.2, 0.1", 100% illuminated, 32.72 a.u., Sagittarius). In the evening, Mars is in the northeast and Jupiter in the southeast. Jupiter is located in the southwest and Saturn in the southeast at midnight. Mercury and Venus can be ...
Galaxy Disks Further
... Disks are the most prominent parts of late-type spiral galaxies. The disk of our own Milky Way Galaxy stretches as a magnificent band of light from horizon to horizon, particularly from a dark site at southern latitudes, as in the Astronomy Picture of the Day for January 27, 2009 (Pacholka 2009). It ...
... Disks are the most prominent parts of late-type spiral galaxies. The disk of our own Milky Way Galaxy stretches as a magnificent band of light from horizon to horizon, particularly from a dark site at southern latitudes, as in the Astronomy Picture of the Day for January 27, 2009 (Pacholka 2009). It ...
365 days of SKYWATCHING
... Let’s start with one of the most simple to find and highly rewarding objects to study - the Moon. Its rugged craters, high mountains and vast seas offer some of the finest details to be found in any astronomical target. It changes every night as the terminator - the line between sunset and shadow - pr ...
... Let’s start with one of the most simple to find and highly rewarding objects to study - the Moon. Its rugged craters, high mountains and vast seas offer some of the finest details to be found in any astronomical target. It changes every night as the terminator - the line between sunset and shadow - pr ...
The most metal-poor galaxies
... the process of formation, because of their extreme metal under-abundance, more than 10 times less than solar, and even more extreme than that of HII regions found in the outskirts of spiral galaxies. At the time of this discovery the general wisdom that most galaxies (in particular the ellipticals) ...
... the process of formation, because of their extreme metal under-abundance, more than 10 times less than solar, and even more extreme than that of HII regions found in the outskirts of spiral galaxies. At the time of this discovery the general wisdom that most galaxies (in particular the ellipticals) ...
Abstract The Star Formation History of Low Surface Brightness Galaxies
... Department of Astronomy ...
... Department of Astronomy ...
Earth Centered Universe Pro V6.0
... the number of copies purchased or to abide by the terms of a separate site license agreement or license certificate. Reasonable backup copies are permitted. The transfer of this license may be made at any time by notifying Nova Astronomics. ...
... the number of copies purchased or to abide by the terms of a separate site license agreement or license certificate. Reasonable backup copies are permitted. The transfer of this license may be made at any time by notifying Nova Astronomics. ...
Elliptical Galaxies
... found in de Zeeuw and Franx (1992). Dark haloes: mass at large radius Spiral galaxy rotation curves have been used to show that they are embedded in dark haloes that contain three to ten times as much mass as is visible in stars, gas and dust. Can dark haloes be detected in elliptical galaxies? The ...
... found in de Zeeuw and Franx (1992). Dark haloes: mass at large radius Spiral galaxy rotation curves have been used to show that they are embedded in dark haloes that contain three to ten times as much mass as is visible in stars, gas and dust. Can dark haloes be detected in elliptical galaxies? The ...
The evolution of close binaries with white dwarf components
... When one of the stars overflows its Roche lobe, it tends to lose most of its envelope. The evolution of the star is significantly shortened or even stopped prematurely. In the latter case, nuclear burning ceases after the mass transfer phase. Consequently, the inert core contracts and cools down to fo ...
... When one of the stars overflows its Roche lobe, it tends to lose most of its envelope. The evolution of the star is significantly shortened or even stopped prematurely. In the latter case, nuclear burning ceases after the mass transfer phase. Consequently, the inert core contracts and cools down to fo ...
Global Seismology of the Sun
... determine what the structure of a star should be. While this is still the dominant approach in the field of stellar astrophysics, in global seismology we have the means of piercing the outer layers of a star to probe the structure within. The type of stellar oscillations that are used in helio- and ...
... determine what the structure of a star should be. While this is still the dominant approach in the field of stellar astrophysics, in global seismology we have the means of piercing the outer layers of a star to probe the structure within. The type of stellar oscillations that are used in helio- and ...
The Lupus clouds - European Southern Observatory
... evolution and perhaps the origin of the complex. The entire variety of objects related to the various stages of early stellar evolution are represented in Lupus, including some of the best studied T Tauri stars like RU Lup. The determination of many properties of the clouds, as well as their associa ...
... evolution and perhaps the origin of the complex. The entire variety of objects related to the various stages of early stellar evolution are represented in Lupus, including some of the best studied T Tauri stars like RU Lup. The determination of many properties of the clouds, as well as their associa ...
Unfolding the Milky Way bulge - International Max Planck Research
... Extinction map of the Galactic Bulge for the complete region covered by the VVV survey. The AKs values are computed from E(J − K s ) measurements assuming Cardelli et al. (1989) extinction law for all tiles. At AKs values larger than 1.5 mag the color scale saturates. The details of the extinction v ...
... Extinction map of the Galactic Bulge for the complete region covered by the VVV survey. The AKs values are computed from E(J − K s ) measurements assuming Cardelli et al. (1989) extinction law for all tiles. At AKs values larger than 1.5 mag the color scale saturates. The details of the extinction v ...