Difference between revisions of "User talk:Marina"

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<ref name="Heideman1984">[https://www.cis.rit.edu/class/simg716/Gauss_History_FFT.pdf "Gauss and the history of the fast Fourier transform"] Heideman, Michael T., Johnson, Don H., Burrus, Charles Sidney 1984. (PDF). IEEE ASSP Magazine. 1 (4): 14–21. CiteSeerX 10.1.1.309.181. doi:10.1109/MASSP.1984.1162257. S2CID 10032502</ref> which
 
<ref name="Heideman1984">[https://www.cis.rit.edu/class/simg716/Gauss_History_FFT.pdf "Gauss and the history of the fast Fourier transform"] Heideman, Michael T., Johnson, Don H., Burrus, Charles Sidney 1984. (PDF). IEEE ASSP Magazine. 1 (4): 14–21. CiteSeerX 10.1.1.309.181. doi:10.1109/MASSP.1984.1162257. S2CID 10032502</ref> which
 
was adapted to run on the Arecibo Observatory's [[CDC 3000 series|CDC 3200]] computer.
  
was adapted to run on the Arecibo Observatory's [[CDC 3000 series|CDC 3200]] computer.
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<ref name="CornellDiscovery">[https://astro.cornell.edu/sites/people/files/CrabPeriodDiscovery1.pdf "On the Discovery of the Period of the Crab Nebula Pulsar"] This program helped to separate the periodic pulsar signal from the noise, and one night he discovered the period of the [[Crab pulsar]].
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<ref name="CornellDiscovery">[https://astro.cornell.edu/sites/people/files/CrabPeriodDiscovery1.pdf "On the Discovery of the Period of the Crab Nebula Pulsar"]</ref> This program helped to separate the periodic pulsar signal from the noise, and one night he discovered the period of the [[Crab pulsar]].
 
<ref name = "Comella1969">[https://ui.adsabs.harvard.edu/abs/1969Natur.221..453C/abstract "Crab nebula pulsar NP 0532"] J. M. Comella, H. D. Craft, R. V. E. Lovelace, J. M. Sutton, G. L. Tyler 1969, ''Nature'' 221 (5179), 453-454</ref><ref name=”Lang2013”>[https://books.google.com/books?id=Nq_1CAAAQBAJ&newbks=1&newbks_redir=0&printsec=frontcover&pg=PA1&hl=en#v=onepage&q&f=false "Astrophysical Formulae. Space, Time, Matter and Cosmology"] Kenneth R. Lang 2014, Publisher: Springer Berlin Heidelberg</ref> A few weeks earlier, observers from the [[National Radio Astronomy Observatory]] reported about two pulsating sources near the Crab Nebula, with no evident periodicities.<ref name="Howard1968">[https://ui.adsabs.harvard.edu/abs/1968IAUC.2110....2H/abstract "Pulsating radio sources near Crab Nebula"] Howard, W. E., Staelin, D. H., Reifenstein, E. C. 1968, IAU Circ., No. 2110, #2 </ref><ref name="Staelin1968">[https://ui.adsabs.harvard.edu/abs/1968Sci...162.1481S/abstract "Pulsating Radio Sources near the Crab Nebula"] Staelin, David H. and Reifenstein, Edward C., III, December 1968, Science, Volume 162, Issue 3861, pp. 1481-1483</ref> Lovelace and collaborators found that one of pulsars (the NP 0532) is located in the center of the Crab Nebula (with precision of 10') and found it's period with a high precision: 33.09 ms.<ref name = "Comella1969"/><ref name=”Lang2013”/>
  
<ref name = "Comella1969">[https://ui.adsabs.harvard.edu/abs/1969Natur.221..453C/abstract "Crab nebula pulsar NP 0532"] J. M. Comella, H. D. Craft, R. V. E. Lovelace, J. M. Sutton, G. L. Tyler 1969, ''Nature'' 221 (5179), 453-454</ref><ref name=”Lang2013”>[https://books.google.com/books?id=Nq_1CAAAQBAJ&newbks=1&newbks_redir=0&printsec=frontcover&pg=PA1&hl=en#v=onepage&q&f=false "Astrophysical Formulae. Space, Time, Matter and Cosmology"] Kenneth R. Lang 2014, Publisher: Springer Berlin Heidelberg</ref> A few weeks earlier, observers from the [[National Radio Astronomy Observatory]] reported about two pulsating sources near the Crab Nebula, with no evident periodicities.<ref name="Howard1968">[https://ui.adsabs.harvard.edu/abs/1968IAUC.2110....2H/abstract "Pulsating radio sources near Crab Nebula"] Howard, W. E., Staelin, D. H., Reifenstein, E. C. 1968, IAU Circ., No. 2110, #2 </ref><ref name="Staelin1968">[https://ui.adsabs.harvard.edu/abs/1968Sci...162.1481S/abstract "Pulsating Radio Sources near the Crab Nebula"] Staelin, David H. and Reifenstein, Edward C., III, December 1968, Science, Volume 162, Issue 3861, pp. 1481-1483</ref> Lovelace and collaborators found that one of pulsars (the NP 0532) is located in the center of the Crab Nebula (with precision of 10') and found it's period with a high precision: 33.09 ms.<ref name = "Comella1969"/><ref name=”Lang2013”/>
 
 

Revision as of 06:22, 10 February 2021

Welcome!

Add four "tilde"s at the end; they become your signature. T (talk) 14:08, 21 December 2020 (JST) T (talk) 14:08, 21 December 2020 (JST)

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In 1968 (10 November), Lovelace and his collaborators discovered period \(P\approx 33\) ms of the Crab Pulsar.[1][2] As a graduate student working at Arecibo Observatory, Lovelace developed a version of the Fast Fourier transform program </ref> [3] which was adapted to run on the Arecibo Observatory's CDC 3200 computer. [4] This program helped to separate the periodic pulsar signal from the noise, and one night he discovered the period of the Crab pulsar. [5][6] A few weeks earlier, observers from the National Radio Astronomy Observatory reported about two pulsating sources near the Crab Nebula, with no evident periodicities.[7][8] Lovelace and collaborators found that one of pulsars (the NP 0532) is located in the center of the Crab Nebula (with precision of 10') and found it's period with a high precision: 33.09 ms.[5][6]

This was the fastest pulsar found at that time.[2][9] This discovery helped to proof the idea that pulsars were rotating neutron stars.[10][11] Before that, many scientists believed that pulsars were pulsating white dwarfs or neutron stars.[12][13]

Please, add reference at the end of this phrase:

and in 2010 became an editorial board member of Journal of Computational Astrophysics and Cosmology.Template:Citation needed

and in 2010 became an editorial board member of [Journal of Computational Astrophysics and Cosmology.[1]


References

  1. ↑ “Expertise Finder”
  2. ↑ 2.0 2.1 "Out of the Zenith. Jodrell Bank 1957-1970" Sir. Bernard Lovell 1973, London: Oxford University Press, pp 1-255 (see page159).
  3. ↑ "Gauss and the history of the fast Fourier transform" Heideman, Michael T., Johnson, Don H., Burrus, Charles Sidney 1984. (PDF). IEEE ASSP Magazine. 1 (4): 14–21. CiteSeerX 10.1.1.309.181. doi:10.1109/MASSP.1984.1162257. S2CID 10032502
  4. ↑ "On the Discovery of the Period of the Crab Nebula Pulsar"
  5. ↑ 5.0 5.1 "Crab nebula pulsar NP 0532" J. M. Comella, H. D. Craft, R. V. E. Lovelace, J. M. Sutton, G. L. Tyler 1969, Nature 221 (5179), 453-454
  6. ↑ 6.0 6.1 "Astrophysical Formulae. Space, Time, Matter and Cosmology" Kenneth R. Lang 2014, Publisher: Springer Berlin Heidelberg
  7. ↑ "Pulsating radio sources near Crab Nebula" Howard, W. E., Staelin, D. H., Reifenstein, E. C. 1968, IAU Circ., No. 2110, #2
  8. ↑ "Pulsating Radio Sources near the Crab Nebula" Staelin, David H. and Reifenstein, Edward C., III, December 1968, Science, Volume 162, Issue 3861, pp. 1481-1483
  9. ↑ Template:Cite book
  10. ↑ ” Rotating Neutron Stars as the Origin of the Pulsating Radio Sources” T. Gold 1968, Nature, Volume 218, Issue 5143, pp. 731-732
  11. ↑ "Recent observations of pulsars support the rotating neutron star hypothesis." T. Gold, 1969, Nature, Volume 221, Issue 5175, pp. 25-27.
  12. ↑ “Observations of a Rapidly Pulsating Radio Source” A. Hewish, S. J. Bell, J. D. H. Pilkington, P. F. Scott and R. A. Collins 1968, Nature, 217, 709-713.
  13. ↑ "On the discovery of the period of the Crab Nebula pulsar" R. V. E. Lovelace and G. L. Tyler 2012, The Observatory 132, 186–187.
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