Constellation Classification Cards*
... Using Set B, girls/student can also classify by absolute magnitude (7 groupings), type or size (5 groupings), and spectral class (7 groupings). 3. Begin by telling the students that stars are like people in several ways. Stars are found in “families” which we call constellations. Ask the students to ...
... Using Set B, girls/student can also classify by absolute magnitude (7 groupings), type or size (5 groupings), and spectral class (7 groupings). 3. Begin by telling the students that stars are like people in several ways. Stars are found in “families” which we call constellations. Ask the students to ...
Astrophysics notes
... A continuous spectrum upon which dark lines appear due to missing wavelengths. Produced by a cool, non-luminous gas in front of a continuous spectrum source. ...
... A continuous spectrum upon which dark lines appear due to missing wavelengths. Produced by a cool, non-luminous gas in front of a continuous spectrum source. ...
Photoelectric Photometry of the Pleiades
... busy work needed to convert photon counts into apparent magnitude and provides an estimate of the quality of the collected data. You will use this instrument to collect data on 24 stars in the region of the Pleiades star cluster. The apparent magnitudes will be measured for each star, in each of thr ...
... busy work needed to convert photon counts into apparent magnitude and provides an estimate of the quality of the collected data. You will use this instrument to collect data on 24 stars in the region of the Pleiades star cluster. The apparent magnitudes will be measured for each star, in each of thr ...
Death of the Stars
... If the star’s mass is larger than 3 Msun, nothing can stop the collapse and the star shrinks… Force of Gravitation: FG = GmM / r2 On Earth, if we have to leave the planet we have to shoot a rocket up, and if the rocket can overcome this force it can escape from Earth. If shoot the rocket up with a s ...
... If the star’s mass is larger than 3 Msun, nothing can stop the collapse and the star shrinks… Force of Gravitation: FG = GmM / r2 On Earth, if we have to leave the planet we have to shoot a rocket up, and if the rocket can overcome this force it can escape from Earth. If shoot the rocket up with a s ...
Section 4
... discovered a planet revolving around another ordinary star. They used a method similar to the one used in studying binary stars. The astronomers observed that a star was moving slightly toward and away from us. They knew that the invisible object causing the movement didn’t have enough mass to be a ...
... discovered a planet revolving around another ordinary star. They used a method similar to the one used in studying binary stars. The astronomers observed that a star was moving slightly toward and away from us. They knew that the invisible object causing the movement didn’t have enough mass to be a ...
The Sun and the Stars
... HCS is a temperature classification scheme – why? Once a star has formed, there is little mixing of the core and surface material, and few chemical reactions spectral differences reflect primarily differences in the surface temperature ...
... HCS is a temperature classification scheme – why? Once a star has formed, there is little mixing of the core and surface material, and few chemical reactions spectral differences reflect primarily differences in the surface temperature ...
Lecture 10 Spectra of Stars and Binaries
... The Spectral Sequence is a Temperature Sequence • Gross differences among the spectral types are due to differences in Temperature. • ComposiZon differences are minor at best. – Demonstrated by Cecilia Payne‐Gaposhkin in 1920’s ...
... The Spectral Sequence is a Temperature Sequence • Gross differences among the spectral types are due to differences in Temperature. • ComposiZon differences are minor at best. – Demonstrated by Cecilia Payne‐Gaposhkin in 1920’s ...
PHYSICS – Astrophysics Section I
... made from Earth or from space near the Earth Discuss Galileo’s use of the telescope to identify features of the Moon In 1609, Galileo constructed his own powerful telescope after hearing about its ability to make objects look closer. He used it to observe many phenomenon of the Solar System, includi ...
... made from Earth or from space near the Earth Discuss Galileo’s use of the telescope to identify features of the Moon In 1609, Galileo constructed his own powerful telescope after hearing about its ability to make objects look closer. He used it to observe many phenomenon of the Solar System, includi ...
october 2008 - Mahoning Valley Astronomical Society
... this date you should also find chi Cyg near maximum light of 5.2 magnitude. These are the last good weeks of comfortable weather to hunt down Neptune and Uranus, low in the south in Capricornus and Aquarius, respectively. ...
... this date you should also find chi Cyg near maximum light of 5.2 magnitude. These are the last good weeks of comfortable weather to hunt down Neptune and Uranus, low in the south in Capricornus and Aquarius, respectively. ...
click here
... • Stars of given type of spectrum and the same colors have the same absolute magnitude (99.9%) • Stars have different apparent magnitudes depending on their distance. • Stars behind dust clouds look redder than they are intrinsically, so… m-M=5 log d1 –5+ A(l) (i.e., the star looks fainter) ...
... • Stars of given type of spectrum and the same colors have the same absolute magnitude (99.9%) • Stars have different apparent magnitudes depending on their distance. • Stars behind dust clouds look redder than they are intrinsically, so… m-M=5 log d1 –5+ A(l) (i.e., the star looks fainter) ...
11 - Visual Magnitudes Project
... Attached is a finding chart for the brighter stars in the open star cluster named Praesepe or M44 which lies in the constellation of Cancer, or Pleiades (M45) which lies in the constellation of Taurus. M44 and M45 are the 44th and 45th objects in the catalog compiled by Messier. Visual photometry is ...
... Attached is a finding chart for the brighter stars in the open star cluster named Praesepe or M44 which lies in the constellation of Cancer, or Pleiades (M45) which lies in the constellation of Taurus. M44 and M45 are the 44th and 45th objects in the catalog compiled by Messier. Visual photometry is ...
Exploring the Mystery of Sirius – the Bright Isis and the Dark Nephthys
... Just as the companion of Sothis is Sirius B, so the dark counterpart of Isis is her dark sister Nephthys. While Isis represents birth, growth and vitality, her sister stands for death, decay and stagnation. She is the darkness complimentary to the light of the Queen of Gods. While Isis is the day, N ...
... Just as the companion of Sothis is Sirius B, so the dark counterpart of Isis is her dark sister Nephthys. While Isis represents birth, growth and vitality, her sister stands for death, decay and stagnation. She is the darkness complimentary to the light of the Queen of Gods. While Isis is the day, N ...
Stars - CBSD.org
... – Sometimes stars are referred to by their regular old names. – Sometimes, using the Johann Bayer naming system, the stars of a constellation are named in order of magnitude using Greek letters. – In other words, Sirius, which is part of the constellation Canis Major, is called α Canis Majoris, and ...
... – Sometimes stars are referred to by their regular old names. – Sometimes, using the Johann Bayer naming system, the stars of a constellation are named in order of magnitude using Greek letters. – In other words, Sirius, which is part of the constellation Canis Major, is called α Canis Majoris, and ...
Spectral Classification: The First Step in Quantitative Spectral Analysis
... “V” type is valid, so iteration is not necessary ...
... “V” type is valid, so iteration is not necessary ...
question - UW Canvas
... a. The cores of massive stars are so hot, have such high densities and pressures, that these stars fuse all elements simultaneously; that is, all at the same time. b.The strong gravitational force contracts the core at the end of each fusion cycle, causing the pressure and temperature to increase en ...
... a. The cores of massive stars are so hot, have such high densities and pressures, that these stars fuse all elements simultaneously; that is, all at the same time. b.The strong gravitational force contracts the core at the end of each fusion cycle, causing the pressure and temperature to increase en ...
The Evening Sky Map
... Conjunction – An alignment of two celestial bodies such that they present the least angular separation as viewed from Earth. Constellation – A defined area of the sky containing a star pattern. Diffuse Nebula – A cloud of gas illuminated by nearby stars. Double Star – Two stars that appear close to ...
... Conjunction – An alignment of two celestial bodies such that they present the least angular separation as viewed from Earth. Constellation – A defined area of the sky containing a star pattern. Diffuse Nebula – A cloud of gas illuminated by nearby stars. Double Star – Two stars that appear close to ...
the printable Observing Olympics Object Info Sheet in pdf
... magnitude stellar object 40” from the center on the southern portion of NGC5846s halo. The compact size of the small elliptical halo is the results of ram-pressure stripping as it plummets supersonically at 300 miles per second into the core of NGC5846. NGC5846A has a 1,850 light year long tail whic ...
... magnitude stellar object 40” from the center on the southern portion of NGC5846s halo. The compact size of the small elliptical halo is the results of ram-pressure stripping as it plummets supersonically at 300 miles per second into the core of NGC5846. NGC5846A has a 1,850 light year long tail whic ...
Chapter 6 Stars
... from the life cycle of a low-mass or medium-mass star. High-mass stars quickly evolve into brilliant supergiants. When a supergiant runs out of fuel, it can explode suddenly. Within hours, the star blazes millions of times brighter. The explosion is called a supernova. After a supernova, some of th ...
... from the life cycle of a low-mass or medium-mass star. High-mass stars quickly evolve into brilliant supergiants. When a supergiant runs out of fuel, it can explode suddenly. Within hours, the star blazes millions of times brighter. The explosion is called a supernova. After a supernova, some of th ...
Core-collapse supernovae and their massive progenitors
... the SMC stars, typically 175 ± 100 km s–1 (Mokiem et al. 2006). Rotational velocities have not been significantly affected by stellar winds, and are significantly lower than 300 km s–1 presently adopted in evolutionary models of Meynet and Maeder (2000). Although the majority of high-mass stars unde ...
... the SMC stars, typically 175 ± 100 km s–1 (Mokiem et al. 2006). Rotational velocities have not been significantly affected by stellar winds, and are significantly lower than 300 km s–1 presently adopted in evolutionary models of Meynet and Maeder (2000). Although the majority of high-mass stars unde ...
November - LVAstronomy.com
... The Constellation Cassiopeia resides along the bright swath of starry glow known as the Milky Way. We know this glow is the plane of our home galaxy and holds a multitude of open star clusters. Dozens of these galactic clusters are found in Cassiopeia. One of the finest, but often overlooked, is NGC ...
... The Constellation Cassiopeia resides along the bright swath of starry glow known as the Milky Way. We know this glow is the plane of our home galaxy and holds a multitude of open star clusters. Dozens of these galactic clusters are found in Cassiopeia. One of the finest, but often overlooked, is NGC ...
Project 2. CCD Photometry
... six categories or magnitudes. The brightest stars were assigned to category one (first magnitude) and the faintest stars to category six (sixth magnitude), which is the limit of human visual perception (without the aid of a telescope). In between the brightest and the faintest stars w ...
... six categories or magnitudes. The brightest stars were assigned to category one (first magnitude) and the faintest stars to category six (sixth magnitude), which is the limit of human visual perception (without the aid of a telescope). In between the brightest and the faintest stars w ...
A New Variable Star in Perseus
... The secondary minima are shown in Figure 6 and Figure 7. Using this two minima, the duration of the flat part of the secondary minimum is determined as 583 minutes. ...
... The secondary minima are shown in Figure 6 and Figure 7. Using this two minima, the duration of the flat part of the secondary minimum is determined as 583 minutes. ...
key for the HR Diagram Lab Handout
... Geminorum have brightness of 9,000 Suns and 310 Suns respectively; these stars are much larger than Proxima and Barnard s with brightness of 0.00005 and 0.0003 Suns. The significant difference in brightness with no change in temperature means that Betelgeuse and Mu Geminorum are much larger than the ...
... Geminorum have brightness of 9,000 Suns and 310 Suns respectively; these stars are much larger than Proxima and Barnard s with brightness of 0.00005 and 0.0003 Suns. The significant difference in brightness with no change in temperature means that Betelgeuse and Mu Geminorum are much larger than the ...
LIFEPAC® 7th Grade Science Unit 3 Worktext - HomeSchool
... cloud of stars stretching across the sky. You can see a great number of stars. With a telescope you can see many more stars. People in ancient times thought that all stars were part of the Milky Way. Today we know of many other galaxies similar to the Milky Way. To study the Milky Way as a whole is ...
... cloud of stars stretching across the sky. You can see a great number of stars. With a telescope you can see many more stars. People in ancient times thought that all stars were part of the Milky Way. Today we know of many other galaxies similar to the Milky Way. To study the Milky Way as a whole is ...
pkt 14 Astrophysics
... The most predominant is the diagonal, going from the upper-left (hot and bright) to the lower-right (cooler and less bright), called the main sequence. In the lower-left is where white dwarfs are found, and above the main sequence are the subgiants, giants and supergiants. The Sun is found on the ma ...
... The most predominant is the diagonal, going from the upper-left (hot and bright) to the lower-right (cooler and less bright), called the main sequence. In the lower-left is where white dwarfs are found, and above the main sequence are the subgiants, giants and supergiants. The Sun is found on the ma ...