WEBDA - a tool for CP star research in open clusters
... Abstract. WEBDA (http://www.univie.ac.at/webda) is a site devoted to stellar observational data, such as chemically peculiar stars, in stellar clusters in the Milky Way and the Small Magellanic Cloud. It is intended to provide a reliable synthesis of the available data and knowledge about these obje ...
... Abstract. WEBDA (http://www.univie.ac.at/webda) is a site devoted to stellar observational data, such as chemically peculiar stars, in stellar clusters in the Milky Way and the Small Magellanic Cloud. It is intended to provide a reliable synthesis of the available data and knowledge about these obje ...
Extra Questions Stellar properties
... 2 The star Procyon in Canis Major is a prominent star in the winter sky because its apparent magnitude is +0.37. It is one of the nearest stars being only 3.52 parsecs from Earth. What is the absolute magnitude of Procyon? How many times brighter or dimmer than the Sun is it? 3 Barnard’s star, the s ...
... 2 The star Procyon in Canis Major is a prominent star in the winter sky because its apparent magnitude is +0.37. It is one of the nearest stars being only 3.52 parsecs from Earth. What is the absolute magnitude of Procyon? How many times brighter or dimmer than the Sun is it? 3 Barnard’s star, the s ...
Freeman_DM2
... are quite lumpy, with a lot of substructure - a lot more satellites and dwarf galaxies than observed. From simulations, we would expect a galaxy like the Milky Way to have ~ 500 satellites with bound masses > 108 solar masses. These are not seen optically and probably not in HI. What is wrong ? Coul ...
... are quite lumpy, with a lot of substructure - a lot more satellites and dwarf galaxies than observed. From simulations, we would expect a galaxy like the Milky Way to have ~ 500 satellites with bound masses > 108 solar masses. These are not seen optically and probably not in HI. What is wrong ? Coul ...
PDF
... Light changes speed when going from one medium into another (e.g. air to glass) If it hits the surface at an angle it will bend. What is this known as? A ...
... Light changes speed when going from one medium into another (e.g. air to glass) If it hits the surface at an angle it will bend. What is this known as? A ...
Study Guide 8th Grade Ocean Motions In the Northern Hemisphere
... Two gasses found in ocean water that are necessary for living things are oxygen and carbon dioxide. Low tides occur about every 12 hours and 25 minutes. A spring tide occurs when the moon, sun, and Earth are in a straight line. The total number of high tides that occur each day in most places is two ...
... Two gasses found in ocean water that are necessary for living things are oxygen and carbon dioxide. Low tides occur about every 12 hours and 25 minutes. A spring tide occurs when the moon, sun, and Earth are in a straight line. The total number of high tides that occur each day in most places is two ...
Stars - RSM Home
... • Massive stars, however, generate much more energy and also don’t last as long. • Massive stars may explode with such intensity that they may become supernovas, neutron stars, pulsars, or black holes. • What will our sun probably become in its next stage? ...
... • Massive stars, however, generate much more energy and also don’t last as long. • Massive stars may explode with such intensity that they may become supernovas, neutron stars, pulsars, or black holes. • What will our sun probably become in its next stage? ...
Star Life Guided Notes
... When a star reaches the end of its life it begins to helium and it ______. fuse ______ swells planetary When fusion stops a typical star will producenebula a __ white dwarf and become a ______ _____. Even the largest stars can’t fuse elements heavier iron than _____. ...
... When a star reaches the end of its life it begins to helium and it ______. fuse ______ swells planetary When fusion stops a typical star will producenebula a __ white dwarf and become a ______ _____. Even the largest stars can’t fuse elements heavier iron than _____. ...
What`s in the Night Sky?
... tudents know that when they look at the night sky they can see stars and the moon. They may not know that sometimes they can also see planets, meteorites, and comets. On a clear dark night, away from city lights, it is possible to see about 2,000 stars. With the help of a telescope, many thousands m ...
... tudents know that when they look at the night sky they can see stars and the moon. They may not know that sometimes they can also see planets, meteorites, and comets. On a clear dark night, away from city lights, it is possible to see about 2,000 stars. With the help of a telescope, many thousands m ...
GLY 1001 Earth Science Name
... 5. Ecliptic – The yearly path of the Sun plotted against the background of the stars. Equatorial system – A method of locating stellar objects much like the coordinate system used on the Earth’s surface. Geocentric – The concept of an Earth-centered universe. 6. Heliocentric – The view that the Sun ...
... 5. Ecliptic – The yearly path of the Sun plotted against the background of the stars. Equatorial system – A method of locating stellar objects much like the coordinate system used on the Earth’s surface. Geocentric – The concept of an Earth-centered universe. 6. Heliocentric – The view that the Sun ...
Stellar Evolution - Hays High School
... • . . . And so forth, as long as temperatures are high enough to fuse that particular element • As particles that are colliding get larger, much more heat (energy) is needed to get them to stick together ...
... • . . . And so forth, as long as temperatures are high enough to fuse that particular element • As particles that are colliding get larger, much more heat (energy) is needed to get them to stick together ...
Dark matter
... “invisible matter”. The properties of invisible objects are rather difficult to determine. We know dark matter exists because of its gravitational pull on luminous matter; otherwise, information is lacking. ...
... “invisible matter”. The properties of invisible objects are rather difficult to determine. We know dark matter exists because of its gravitational pull on luminous matter; otherwise, information is lacking. ...
PPT - National Radio Astronomy Observatory
... “common” distance measurements) These must be dealt with. ...
... “common” distance measurements) These must be dealt with. ...
Astronomy Study Guide
... o The Doppler effect, where objects moving further away produce light that is shifted to the red end of the spectrum, while objects moving closer produce light that is shifted to the blue end of the spectrum. o Light from distant galaxies is red-shifted, proving that they are moving away from Earth. ...
... o The Doppler effect, where objects moving further away produce light that is shifted to the red end of the spectrum, while objects moving closer produce light that is shifted to the blue end of the spectrum. o Light from distant galaxies is red-shifted, proving that they are moving away from Earth. ...
NIRCam - STScI
... • Program is aimed at characterizing exo-planets and debris disks, not at finding them • JWST’s angular resolution and 1-5 micron capabilities are keys • Will be done in collaboration with MIRI and TFI teams • NIRCam has three sets of features to enable this program: – Coronagraphic masks and Lyot s ...
... • Program is aimed at characterizing exo-planets and debris disks, not at finding them • JWST’s angular resolution and 1-5 micron capabilities are keys • Will be done in collaboration with MIRI and TFI teams • NIRCam has three sets of features to enable this program: – Coronagraphic masks and Lyot s ...
Exploring the Universe
... • -everything physical that exists in space & time • Galaxy- a collection of stars, dust, & gas bound together by gravity • Solar System- the sun & all of the planets & other bodies that travel around it. ...
... • -everything physical that exists in space & time • Galaxy- a collection of stars, dust, & gas bound together by gravity • Solar System- the sun & all of the planets & other bodies that travel around it. ...
8hrdiagram1s
... Size of Stars We can relate the temperature and luminosity to the size with the StefanBoltzmann law L = sAT4 or L = 4pR2sT4 ...
... Size of Stars We can relate the temperature and luminosity to the size with the StefanBoltzmann law L = sAT4 or L = 4pR2sT4 ...
Slide 1
... YOU CAN CHOOSE TWO WAVELENGTHS (COLORS) WHICH FOCUS AT THE SAME PLACE IF YOU USE THREE LENSES YOU CAN CHOOSE THREE WAVELENGTHS THAT FOCUS AT THE SAME PLACE IN ANY MULTIPLE LENSE ARRANGEMENT YOU CAN CHOOSE AS MANY WAVELENGTHS WHICH FOCUS AT THE SAME PLACE AS LENSES THAT YOU USE. ...
... YOU CAN CHOOSE TWO WAVELENGTHS (COLORS) WHICH FOCUS AT THE SAME PLACE IF YOU USE THREE LENSES YOU CAN CHOOSE THREE WAVELENGTHS THAT FOCUS AT THE SAME PLACE IN ANY MULTIPLE LENSE ARRANGEMENT YOU CAN CHOOSE AS MANY WAVELENGTHS WHICH FOCUS AT THE SAME PLACE AS LENSES THAT YOU USE. ...
Supernovae – the biggest bangs since the Big Bang
... optical bands (UBVRI) and in three infrared bands (JHK). The individual light curves have been offset for display purposes. Note the secondary hump in the IJHK light curves. Krisciunas et al. (2003) ...
... optical bands (UBVRI) and in three infrared bands (JHK). The individual light curves have been offset for display purposes. Note the secondary hump in the IJHK light curves. Krisciunas et al. (2003) ...
Orbits and Dark Matter, the Center of the Milky Way
... Does have mass, produces gravity Nature is unknown Might be normal matter in a form that doesn’t emit much light – very small and dim star, little black holes • More likely it is elementary particles other than normal matter ...
... Does have mass, produces gravity Nature is unknown Might be normal matter in a form that doesn’t emit much light – very small and dim star, little black holes • More likely it is elementary particles other than normal matter ...
Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other hot celestial objects. Spectroscopy can be used to derive many properties of distant stars and galaxies, such as their chemical composition, temperature, density, mass, distance, luminosity, and relative motion using Doppler shift measurements.