Zobrazeno 1 - 10
of 29
pro vyhledávání: '"M. R. Sanad"'
Publikováno v:
Astrophysics. 64:316-326
We present International Ultraviolet Explorer (IUE) observations of the luminous, non- eclipsing, double lined spectroscopic binary system UX Ari over the period 1978-1996. Three spectra showing modulations in line fluxes at different times are prese
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99d21ec3b3227b2f88fcf7e739255fb1
https://doi.org/10.1007/s10511-021-09692-1
https://doi.org/10.1007/s10511-021-09692-1
Autor:
M. R. Sanad, M. A. Abdel-Sabour
Publikováno v:
Revista Mexicana de Astronomía y Astrofísica. 56:63-69
Ultraviolet observations of the symbiotic nova HM Sge were obtained from the International Ultraviolet Explorer (IUE) through the interval from 1980 - 1992. Three line profiles demonstrating the variations of some emission lines at different dates ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33452addc61168d9289cbcbb6bd76a05
https://doi.org/10.22201/ia.01851101p.2020.56.01.08
https://doi.org/10.22201/ia.01851101p.2020.56.01.08
Publikováno v:
Astrophysics. 61:91-100
We investigated the spectral evolution of some normalized UV emission lines through different stages of the outburst of the classical nova V1974 Cyg using International Ultraviolet Explorer (IUE) low resolution short wavelength spectra. The emission
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfde4db9e79cdefdda52b13317e34217
https://doi.org/10.1007/s10511-018-9518-9
https://doi.org/10.1007/s10511-018-9518-9
Publikováno v:
Astronomische Nachrichten. 339:173-182
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6fe2917e042ee2694b670a351bd87eb
https://doi.org/10.1002/asna.201813369
https://doi.org/10.1002/asna.201813369
Autor:
M. R. Sanad, M. A. Abdel-Sabour
Publikováno v:
Astrophysical Bulletin. 73:77-83
We studied the intermediate polar TVCol during and after its flare in November 1982 observed in the ultraviolet range with the International Ultraviolet Explorer. Two spectra revealing the variations of emission lines at different times are presented
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70a1cac95ed2264a3f87e747e43dd688
https://doi.org/10.1134/s1990341318010066
https://doi.org/10.1134/s1990341318010066
Autor:
M. R. Sanad, M. Bobrowsky
Publikováno v:
New Astronomy. 53:20-25
Ultraviolet spectra from the International Ultraviolet Explorer (IUE) and from the Hubble Space Telescope (HST) of the symbiotic novae AG Peg during the period 1978–1996 are analyzed. Some spectra showing the modulations of spectral lines at differ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db6007575289b3015f6741e80956f88c
https://doi.org/10.1016/j.newast.2016.11.006
https://doi.org/10.1016/j.newast.2016.11.006
Publikováno v:
New Astronomy. 52:122-132
We report the results of spectral and photometric observations of SU UMa. Available spectra from International Ultraviolet Explorer (IUE) and CCD photometry of five nights were used. Some profiles revealing the variations of some spectral lines at di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae5bdc1060a684e1349376e1a548ba1b
https://doi.org/10.1016/j.newast.2016.10.010
https://doi.org/10.1016/j.newast.2016.10.010
Autor:
M. R. Sanad
Publikováno v:
New Astronomy. 52:14-19
We present International Ultraviolet Explorer (IUE) & Hubble Space Telescope Space Telescope Imaging Spectrograph (HST STIS) observations of the symbiotic nova V1016 Cyg through the period 1978 – 2000. Four spectra at different times revealing the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4fc8389b72e40099f41783f597b80c3
https://doi.org/10.1016/j.newast.2016.10.002
https://doi.org/10.1016/j.newast.2016.10.002
Publikováno v:
Applied Mathematics and Nonlinear Sciences. 2:181-194
We report the results of spectral and photometric observations of DQ Her. Available spectra from International Ultraviolet Explorer (IUE), Hubble Space Telescope Faint Object Spectrograph (HST - FOS) and CCD photometry of one night were used. Some pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55076b0ff74dc7699d37bd45f4a81ef9
https://doi.org/10.21042/amns.2017.1.00015
https://doi.org/10.21042/amns.2017.1.00015
Autor:
M. R. Sanad
Publikováno v:
Open Astronomy, Vol 24, Iss 3, Pp 327-341 (2015)
We present ultraviolet spectroscopic study of two polar systems, HU Aqr and AN UMa, observed with the Hubble Space Telescope’s Space Telescope Imaging Spectrograph (STIS) and Faint Object Spectrograph (FOS) and with the International Ultraviolet Ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93a40382c2d7e53f8e6cd3a7d9b9aa5e
https://doaj.org/article/ff107e43ab1f40aeb9fc42a98c4a6fb4
https://doaj.org/article/ff107e43ab1f40aeb9fc42a98c4a6fb4