Nobody downloaded yet

Distance To Galaxy Using Supernova - Essay Example

Comments (0) Cite this document
Massive stars come with variety of luminosities and sizes and would seemingly not be useful in making distance measuring under standard candle assumption. Supernova type Ia has been extragalactic distance indicators since Kowal 42 first publish his bubble diagram (ζ =0.6 mag)…
Download full paperFile format: .doc, available for editing
GRAB THE BEST PAPER95% of users find it useful
Distance To Galaxy Using Supernova
Read TextPreview

Extract of sample
"Distance To Galaxy Using Supernova"

Download file to see previous pages Type Ia supernova have proven to be excellent distance indicators when well treated. Although they have virtues that are linked to standard candle, they are not standard candle. Combined with the high luminosity of objects which make them detectable out of redshift near 1, they can be used to measure cosmological distances and provide determination of acceleration of the universe. The assumption that is made is that supernova expands in a spherical symmetric manner. It is unlikely that supernova Ia will provide genuine and detailed results of the peculiar velocity field just because it rarely occurred. The astronomers realized that it was possible to measure apparent magnitude of supernova knowing what its absolute magnitude was. The measured distance was to be used to calculate the distance modulus.
1 square CCD array was used in taking the sample images for later analysis. The images were used to measure properties of the supernova (SN) host galaxies, such as total stellar mass, star formation rate or host galaxy redshift.
Finally the apparent brightness and luminosity were combined with the aim of finding distance .During every check-up for the supernova, the value for flux and epoch of the i band maximum,f1 and tpeak was estimated .The flux value of f g, fr and fz for the same epoch was estimated
The SNLS result that was released for the first time consisted of photometry and red shift of 40 supernova 1.The result were having griz light curves with photometry covering the epoch of the maximum flux in the i band.
The coefficients ci was derived using 20 SNe Ia and later confirmed by another 20SNe Ia.The bias corrected mean and standard deviation of ci computed using the jack-knife technique and the result provided as given below
The results obtained for the values of (Zphot -Zspec)/( Zphot +Zspec ) was plotted against the values of Z spec on a graph . This was done for 20 SN Ia and 40 SN Ia. The above calculated value fro ...Download file to see next pagesRead More
Cite this document
  • APA
  • MLA
(“Distance To Galaxy Using Supernova Essay Example | Topics and Well Written Essays - 1000 words”, n.d.)
Distance To Galaxy Using Supernova Essay Example | Topics and Well Written Essays - 1000 words. Retrieved from
(Distance To Galaxy Using Supernova Essay Example | Topics and Well Written Essays - 1000 Words)
Distance To Galaxy Using Supernova Essay Example | Topics and Well Written Essays - 1000 Words.
“Distance To Galaxy Using Supernova Essay Example | Topics and Well Written Essays - 1000 Words”, n.d.
  • Cited: 0 times
Comments (0)
Click to create a comment or rate a document
Distance Learning
... Lecturer’s Distance Learning Introduction Any system of learning where the behaviours of teaching is set apart from the behaviours that are involved in learning is known as distance learning. Distance learning can be considered as being effective but sometimes can also have some effects, which are negative to the student undertaking the study. This is mainly because the student cannot have a close contact with the tutor, and this has been a problem to other students who cannot work without being supervised. Distance learning has been considered to be more expensive than the normal learning lessons. This is considered a significant problem to the people who have chosen to use this mode of studying, so as to meet the requirements... of their...
4 Pages(1000 words)Essay
Buyers behaviour - samsung galaxy
...?Topic: Buyers Behaviour - Samsung Galaxy Affiliation: Analysis Buyer behaviour is influenced by a myriad number of factors, all of which impact on the final outcome of the decision made by the consumer. In the process of decision making, the consumer accounts for his/her tastes and preferences relative to the product in question. Product price and quality also feature in the process, allowing the consumer to make an informed choice or decision (Lunn, 2011, p.128; Sheth, 2011, p.91). This is more so in a market where competition is intense, sellers are many, and the target market is relatively the same. Such a market environment informs the analysis of Samsung Galaxy in terms of the behaviour exhibited by...
3 Pages(750 words)Essay
Distance Education
...125947 In recent years, distance education had been steadily gaining more ground in United Kingdom. It has become an integral part of higher education today and has yielded impressive results. Now distance education includes e learning and e-programmes, Internet and web use. The mission and vision statements declare that universities are student-centred now (a far cry from Dr. Johnson's being sent home by Oxford) and the aim is to provide lifelong learning opportunities for a highly diverse student community. Distance education has evolved in many ways and offers short programmes, part of big programmes, designer short courses, Internet studies, many professional...
7 Pages(1750 words)Essay
The Milky Way Galaxy
...Shapley's observations reshaped or picture of the galaxy. He observed the globular clusters residing in the outermost regions of the galaxy and helped in our understanding of the true size of the Milky Way. More recent optical, infrared, and radio observations have given us a much clearer picture of our galaxy. Still, there are limitations to the technology due to the vastness of the space and the concentrations of matter that can't be penetrated. Our picture of the galaxy is continuing to change and the Milky Way is still being discovered. New observation techniques have unmasked countless galaxies in the universe. Though our...
2 Pages(500 words)Essay
Ford Galaxy
...will be implemented on family day and other occasions celebrated by family like graduation day. A big event resembling the Amazing Race will be orchestrated recruiting young families to participate and get the chance to be overall champion. The rules are somewhat similar with Amazing Race but only Ford Galaxy will be used in the entire event. This will not only foster bonding within family members but it will dramatically show the passionate caring side of Ford Galaxy. CONCLUSION The intense competition in the entire car industry most especially in the MPV and the declining demand for cars are just but simple reminders to us all to push more innovation, encourage...
9 Pages(2250 words)Essay
A Distance is a Distance
...IC 123-45-6789 HMSX/PSY 320, Fall 2006 A Distance is a Distance Dear Jamie, Trying to build a life and a relationship with a significant other while we are still trying to build our own life can often present a special set of challenges. It's clear from your letter that you love each other very much and are willing to make great sacrifices to keep your relationship together. For the past two years you have both set aside intimacy and closeness in hopes of building a more secure future to rest your relationship on. This is admirable and can also be economically pragmatic. Getting your career and education on the right path will certainly add to your ability to have a relationship and family down the road....
4 Pages(1000 words)Essay
Distance Leaning
...Introduction Distance leaning, as delivered through information and computer technology, has effectively changed the face of education. Neidorf (2006), while conceding to distance learning's century-long history, maintains that the current format has challenged time and space in previously unimaginable ways, to the extent of extending a liberal arts Western undergraduate, graduate and post-graduate education to learners in remote third word rural villages. If it is to realize its potential, however, distance learning as e-learning must be restructured towards a more interpersonal delivery paradigm, as would give distance learners the advantage of one-to-one mentorship...
5 Pages(1250 words)Essay
Distance Learning
...Distance Learning Distance Learning Distance learning or distance education is the education where one is not confirmed in an area such as a classroom in order to learn. It involves getting the education where one has barriers such as time and distance separating the learner and the teacher. Distance learning is represented by two types: synchronous learning and asynchronous learning. Synchronous learning is where both have to be present at the same time during the session. Asynchronous learning is where the learner can access the material at their own disposal and time (Miller, 1989). In the earlier days, distance...
1 Pages(250 words)Essay
...of the explosive stars remains a difficult subject because supernovae are so distant that they are almost invisible in our galaxy. The observations of the normal type of supernovae show that the result of the explosion mechanism is non-spherical (Douglas 505). The objective approach of the author allows us to understand the physical mechanism of the supernovae which is essential when further studying about its discoveries. Other scientists and theorists have talked about the discoveries, observations and effects of supernovae but Douglas covered some of the major aspects which make his work impressively helpful. Qian (277) holds the...
5 Pages(1250 words)Essay
Galaxy budgeting system
...The galaxy budgeting system The galaxy budgeting system is an advanced system of budgeting for programs, which is pitched on the future predictions of the resource requirements for different programs, based on the history of the organization involved in budgeting (Dongsung, 92). The system operates on the basis of dividing the budget that is allocated to an enterprise into different programs, which are then subdivided into different activities, and the budget amounts allocated to such activities. The subsequent performance assessments are done on the program and their activities, which then give periodic results regarding the resource requirements and usage by the different activities of the programs,...
1 Pages(250 words)Research Paper
sponsored ads
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Let us find you another Essay on topic Distance To Galaxy Using Supernova for FREE!
logo footer
Contact us:
Contact Us Now
FREE Mobile Apps:
  • StudentShare App Store
  • StudentShare Google play
  • About StudentShare
  • Testimonials
  • FAQ
  • Blog
  • Free Essays
  • New Essays
  • Essays
  • Miscellaneous
  • The Newest Essay Topics
  • Index samples by all dates
Join us:
Contact Us