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All Journal Jurnal Matematika & Sains EMITTER International Journal of Engineering Technology Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Sains Dirgantara Journal of Multidisciplinary Academic Jurnal Pendidikan Edutama Altasia : Jurnal Pariwisata Indonesia Jurnal Pendidikan Ilmu Pengetahuan Sosial (JPIPS) Scientific Journal of Mechanical Engineering Kinematika Jurnal Ilmiah STOK Bina Guna Medan Jurnal Pendidikan Jasmani (JPJ) JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Jurnal Program Kemitraan dan Pengabdian Kepada Masyarakat Jurnal Ilmiah Raflesia Akuntansi Jurnal Olahraga dan Kesehatan Indonesia (JOKI) Jurnal Pengbdian Teknik Mesin Prosiding Seminar Nasional Program Pengabdian Masyarakat Scientia Regendi Iustitia Omnibus (Jurnal Ilmu Hukum) Jurnal Ilman: Jurnal Ilmu Manajemen Indonesian Journal of Physics (IJP) J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Pendidikan dan Ilmu Sosial Jurnal Buana Semantik : Jurnal Riset Ilmu Pendidikan, Bahasa dan Budaya Jurnal Nakula: Pusat Ilmu Pendidikan, Bahasa Dan Ilmu Sosial Journal Innovation In Education Jurnal Pengabdian Masyarakat dan Riset Pendidikan Santri : Jurnal Ekonomi dan Keuangan Islam Proceeding of International Conference on Entrepreneurship (IConEnt) JURNAL PJKR Journal of Governance and Public Administration Zoologi: Jurnal Ilmu Peternakan, Ilmu Perikanan, Ilmu Kedokteran Hewan JURNAL BUANA Pendidikan Olahraga dan Kesehatan JIMKI: Jurnal Ilmiah Mahasiswa Kedokteran Indonesia Ite Ngabdi Jurnal Ilmu Bahasa dan Pendidikan Guru Sekolah Dasar
Taufiq Hidayat
Institut Teknologi Bandung
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Journal : Jurnal Matematika

 1 
Search for New Astronomical Site in Indonesia: II. Transparency of Tropical Atmosphere Taufiq Hidayat; Putra Mahasena; Budi Dermawan
Jurnal Matematika & Sains Vol 15, No 1 (2010)
Publisher : Institut Teknologi Bandung

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Abstract

We present a theoretical model of atmospheric transparencies for tropical region of Indonesia in the framework of developing multi-wavelength astronomical observations. The wavelengths of interest are radio, infrared, and optical domains. Beside science objectives, sky transparencies are needed to determine the corresponding wavelength band to be optimized in the observatory design. A clear sky condition is then assumed in the model and a line-by-line radiative transfer code is used at high spectral resolution.  The results, combined with study on meteorological satellite data, are utilized to provide various information to select the best possible sites for a new astronomical observatory in Indonesia. 
Search for New Astronomical Site in Indonesia : I. Global Atmospheric Parameters Taufiq Hidayat; Putra Mahasena; Budi Dermawan
Jurnal Matematika & Sains Vol 15, No 1 (2010)
Publisher : Institut Teknologi Bandung

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We present initial studies to search for the best possible sites for an astronomical observatory in Indonesia. Since the country occupies a vast geographical area, in so doing, we analyzed a number of basic atmospheric parameters based on GMS-NOAA meteorological satellite data at a low spatial resolution to identify some interesting feasible locations. The selected parameters are outgoing long wave radiation, temperature, precipitation, relative humidity, precipitable water, and wind profile, mostly available for a period of several decades. The data are averaged over 30 years to obtain a monthly average profile of Indonesian meteorological situation. The results suggest that regions of Nusa Tenggara Timur could offer promising sites and is merit to be explored further. 
Search for New Astronomical Site in Indonesia: III. Astronomical Seeing Condition in West Timor Budi Dermawan; Putra Mahasena; Taufiq Hidayat; Muhammad Irfan
Jurnal Matematika & Sains Vol 15, No 1 (2010)
Publisher : Institut Teknologi Bandung

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Global meteorological study over Indonesia has identified that Nusa Tenggara Timur is a good candidate for an astronomical site. West Timor, in the eastern region of Nusa Tenggara Timur, is subsequently selected to be surveyed both for topographical and sky quality. The latter is studied theoretically in term of transmittance of tropical atmosphere. This work presents in situ measurement undertaken for Kupang (longitude: 123° 34¢ 4² E, latitude: 10° 10¢ 19² S) to derive the seeing values. The same procedure was also performed for Lembang, West Java (longitude: 107° 36¢ 58² E, latitude: 6° 49¢ 33² S) in order to quantitatively compare the proposing site to the established one. Our result shows that Kupang has about 50% better seeing condition than that of Lembang. 
Probability of Finding Terrestrial Planet Within Habitable Zone of Extrasolar Planetary System Ratna Satyaningsih; Taufiq Hidayat; Avivah Yamani; Budi Dermawan
Jurnal Matematika & Sains Vol 15, No 2 (2010)
Publisher : Institut Teknologi Bandung

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Habitable zone in a planetary system is defined as the region around a star where life-supporting planets can exist. Typically it requires the presence of liquid water on the planetary surface. Considering the formation of planetary systems, we investigate how stellar mass affects the probability of terrestrial planets formed within habitable zone. We use our Planetary System Generator code (Yamani, 2007) to generate planetary systems by investigating its sensitivity through several parameters, such as stellar mass, stellar luminosity, and effective temperature. The probability of finding terrestrial planets within the habitable zone of extrasolar planetary system has been then calculated. We selected the exoplanet systems: Gl 581, HD 128311, 55 Cnc, 47 UMa, and Ups And-like to evaluate the presence of planets within their habitable zone. 
A Monte Carlo Modeling of Planetary Formation: A Case of 47 Ursae Majoris System Avivah Yamani; Taufiq Hidayat; Ratna Satyaningsih; Budi Dermawan
Jurnal Matematika & Sains Vol 15, No 2 (2010)
Publisher : Institut Teknologi Bandung

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This paper presents a Monte Carlo simulation, using Planetary System Generator, which has been built based on a simple accretion model by Dole (1970) and by considering the present structure of the Solar System. Data of known extrasolar planets have also been taken into account.   It was then applied to generate 47 Ursae Majoris (47UMa)-like planetary systems. The results are subsequently compared to the observed data of 47UMa. The dynamical evolution as well as the stability of the system have been evaluated by using a n-body formalism accounted for in our simulation. The generated system reproduced approximately the observational data and suggests that some other accompanying planets may exist. The orbital evolution is also found to be stable within the current age of the system.
Co-Authors Abdul Rachman Tuasikal Achmad Sandi Pratama Afkar, Taswirul Ali Mashuri, Ali Mashuri Ali Noeruddin Amal Fauqi Andy Prasetyo Utomo Andy Prasetyo Utomo Anwar Artika Dwi Rahayu Avivah Yamani Bagus Hidayatullah Budi Dermawan Budiman D. Mandey Dania Kusuma Wardani Dhea Puspita Hakim Diana Laily Fithri Dwi Yulian Rahmawati Faisal Faisal Fajar Nugraha Fajar Nugraha Falah Arifbillah Subagio Farida Fatmi Fauzani Duski Fatoni, Akhmad Fera Gustina Purwati Ferry Mukharradi Simatupang Hernawati RAS Idris Fadli Murtadho Ika Devy Pramudiana Iman Zulfikar Jafar Sidik Jovan Josafat Jaenputra Judhistira Aria Utama Julkifli Junarti Junarti Kiswanto Kiswanto Kristyan Dwijosusilo Kurnia Putra Yana Lala Septem Riza Linda Susila Mastiadi Tamjidillah Masyithoh Wahyu Diani Misbahul Khanif Mochamad Ridwan Mohammad Zaim Zen Muhamad Irfan Muhammad Fado Al Fajar Muhammad Irfan Muhammad Kurniawan Muhlas Ade Putra Mulyono Nafi Ananda Utama Nanang Dwi Ardi NURCHAYATI P. Mahasena Putra Mahasena Rahmanelli Rahmanelli Raihan Bintang Kurniawan Pratama Ratna Satyaningsih Revan Lesta Mahendra Ria Indah Kusuma Pitaloka Rika Rokhana Riski Ramadhan Riyanto Sigit, Riyanto Rizky Aris Munandar Robiatul Muztaba Rosi Amrilla Fagi Salsa Devista Mayangsari Sandi Achmad Pratama Seftia Wulan Ayu Ningrum Setiawardhana Sihombing, Tanggor Silvi Pratiwi Sri Kamariyah Suriana Suryadi Fajri Suryansah Tony Ricardo Mantolas Tria Anisanur Tubagus Akhmad Al Gifari Valen Mawartiani, Valen Wahyu Hidayat Wahyudin - Wahyudin Wawan Hermawan Zakir Burhan