Zobrazeno 1 - 10
of 16
pro vyhledávání: '"A. D. Bobra"'
Publikováno v:
Astrophysics and Space Science. 218:249-265
This article describes in detail a burst from PSR 0950+08 on July 29, 1992. This event was observed by two radio telescopes (separated by ~ 200 km) operating at 103 MHz. There exists a very convincing indirect evidence that at the same time the pulsa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bdd4ead06b397fed7cbc3cf9bd7818d
https://doi.org/10.1007/bf00627762
https://doi.org/10.1007/bf00627762
Autor:
S. K. Alurkar, R. V. Bhonsle, A. K. Sharma, K. S. Lali, A. D. Bobra, N. S. Nirman, P. Janardhan, P. Venat
Publikováno v:
Acta Astronautica. 21:189-196
Recently, PRL commissioned three large radio telescopes operating at 103 MHz in order to record interplanetary scintillations (IPS) of compact radio sources from Thaltej (Ahmedabad), Rajkot and Surat, as a function of time for the study of solar wind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23250e4a85b2de1165e87f5d1cf84cab
https://doi.org/10.1016/0094-5765(90)90111-w
https://doi.org/10.1016/0094-5765(90)90111-w
Publikováno v:
International Astronomical Union Colloquium. 160:477-478
Interplanetary Scintillation (IPS) is a diffraction phenomenon in which coherent electro-magnetic radiation, from a distant radio source, passes through the solar wind, which is a turbulent refracting medium, and suffers scattering. This results in r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d90e984d872cebe8e3572bd173b0a4c
https://doi.org/10.1017/s0252921100042159
https://doi.org/10.1017/s0252921100042159
Publikováno v:
Australian Journal of Physics. 45:115
The radio source 2314+038 (3C459) showed enhanced scintillations on three days at a solar elongation of about 90� as the plasma tail of Halley's Comet swept across it on six days during 16-21 December 1985. If we assume that the plasma velocities i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d407f58271ee101cb7596ac07b692bc
https://doi.org/10.1071/ph920115
https://doi.org/10.1071/ph920115
Publikováno v:
Australian Journal of Physics. 44:565
Enhanced scintillations in the direction of the quasar 2204+29 (3C441) were observed on 13 May 1990 when the tail of Comet Austin passed in front of it. Comparison with previous observations at 103, 327 and 408 MHz of Comet Halley and at 408 MHz of C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7954e1fbd1665dae7608c4e3afe5f908
https://doi.org/10.1071/ph910565
https://doi.org/10.1071/ph910565
Publikováno v:
Australian Journal of Physics. 43:801
Observations of the quasars 0606-795 and 0637-752 as the tail of Comet Wilson swept across them on May 1 and May 2, 1987, showed a three-fold increase in scintillation index over that of nearby compact radio sources outside the tail. Two scintillatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e161671ff723c70c6dcc269f4c9fdd3c
https://doi.org/10.1071/ph900801
https://doi.org/10.1071/ph900801
Publikováno v:
Symposium - International Astronomical Union. 110:391-395
Three radio telescopes operating at 103 MHz are being installed at Ahmedabad, Rajkot and Surat separated by about 200 km from each other for observing interplanetary scintillations (IPS) of compact radio sources for study of solar wind plasma dynamic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6cb7789e8ea0cb0e19bb6f995461620
https://doi.org/10.1017/s0074180900078542
https://doi.org/10.1017/s0074180900078542
Autor:
A. D. Bobra, N. S. Nirman, R. P. Sharma, Gautam C. Sethia, Sohan Lal, P. Venat, R. V. Bhonsle, S. K. Alurkar
Publikováno v:
IETE Journal of Research. 28:577-582
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2e6e34ffba53b8be931a9ee4ded8027
https://doi.org/10.1080/03772063.1982.11452842
https://doi.org/10.1080/03772063.1982.11452842
Publikováno v:
IETE Journal of Research. 27:569-572
For investigating the solar plasma and the solar wind velocity in the interplanetary space, the Physical Research Laboratory (PRL), Ahmedabad has undertaken a 3-site interplanetary scintillation (IPS) experiment. In order to determine the solar-wind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::020367fc1dc2a0b2861d25b67f5a762b
https://doi.org/10.1080/03772063.1981.11452537
https://doi.org/10.1080/03772063.1981.11452537
Autor:
A. D. Bobra, D.V. Subhedar
Publikováno v:
IETE Journal of Research. 28:75-80
With availability of computer system at most of the scientific research centres, it has become almost obligatory on the part of the scientists to acquire data directly on digital magnetic tapes. This helps in analysing the data quite accurately, rapi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d9c5b388a2194320ff573ae33909bc1
https://doi.org/10.1080/03772063.1982.11452619
https://doi.org/10.1080/03772063.1982.11452619