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IHY Roles:
National Coordinator, IHY-Yemen
Brief Biography:
Education &Responsibilities
1- PhD of Physics /Rouen /France
2- Astrophysics Professor in the Department of Physics/ Faculty of science/Sana’a University/Sana’a/Yemen
3- Head of Physics Department/ Faculty of science/Sana’a University/Sana’a/Yemen
4- IHY2007 National Coordinator
5- WYP2005 National Coordinator
6- Yemen representative and member of the Higher Board of the AUASS (Arab Union of Astronomy and Space Sciences).
7- Yemen representative and member of the Higher Board of the UAMP (Union of the Arab Physicists & Mathematicians)
National & International Scientific Activities
1- In his weekly column titled A little bit of Logic, he published more than 500 articles in local newspapers aiming to popularize scientific concepts.
2- He has presented a few of the occasional scientific programs in Yemen TV
3- His idea of one-day-each-month-workshop has been accorded by the IHY-Yemen National Committee in the early beginning of 2007, each month IHY-Yemen tries to focus on a goal of the IHY2007 scientific goals. Moreover, his design of the IHY-Yemen logo was also accepted by IHY-Yemen National committee.
Research:
1st: During the last four years he is devoting most of his research-time to investigate a photometrical model for the first visibility of the lunar crescent, in 2004-2007 he has published the following papers:
- Sultan A. H. 2004: Mid-day Naked-eye Venus.Observatory, 124, 390-392 (London-Oct. 2004). [Full-paper is available in the link of the NASA Astrophysics Data System (ADS) http://www.adsabs.harvard.edu/]
- Sultan A. H. 2005: New explanation for Length Shortening of the New Crescent Moon, Seminars of the UN programme on space Applications, selected papers from activities held in 2004, 16, 83-92, (New York-Feb. 2005). Full paper is available in the link of the United Nations Office for Outer Space Affairs (UNOOSA): www.unoosa.org/pdf/publications/st_space_26E.pdf
- Sultan A. H. 2005: Explaining and calculating the length of the new crescent moon. Observatory, 125, 227-232 (London-August 2005). [Abstract is available in the link of NASA Astrophysics Data System (ADS) http://www.adsabs.harvard.edu/]
- Sultan A. H. 2006: “Best time” for the first visibility of the lunar crescent. Observatory, 126, 115-118 (London-April 2006). [Abstract is available in the link of NASA Astrophysics Data System (ADS) http://www.adsabs.harvard.edu/].
- Sultan A. H. 2007. First visibility of the lunar crescent: beyond Danjon’s limit. Observatory, 127, 53 -59 (London-February 2007). [Abstract is available in the link of NASA Astrophysics Data System (ADS) http://www.adsabs.harvard.edu/].
2nd: As the Arabian Peninsula is the richest in oil but the poorest in the domain of space sciences, the largest telescope in the region does not exceed 45cm!! Sultan is searching -in collaboration with a colleague from Swaziland- for the ideal site on the Arabian Peninsula summits for the installation of a regional observatory:
- Sultan A. H. and Graham E. 2006: Search for an astronomical site on the Arabian Peninsula” meteorological and climatological analyses” , ACCEPTED PAPER to be presented in the COSPAR Assembly to be held in Beijing, China, 16 - 23 July 2006 [Abstract is available in the link of Committee on Space Research (COSPAR): http://www.cosis.net/abstracts/COSPAR2006/00067/COSPAR2006-A-00067.pdf
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