Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Hakim L Malasan"'
Autor:
Hakim L. Malasan, Rosa M. Ros, Chatief Kunjaya, Endang Soegiartini, null Aprilia, Riska W. Romadhonia
Publikováno v:
Proceedings of the International Astronomical Union. 15:30-33
Youths and kids in Indonesia since almost two decades ago have been showing significant increase of interest in space sciences, especially astronomy. One of the main factors is due to the annual event of National Science Olympiad which includes Astro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::885b5e7943dad2e2739386917b98f8ab
https://doi.org/10.1017/s1743921321000582
https://doi.org/10.1017/s1743921321000582
Autor:
A. T. P. Jatmiko, Mochamad Irfan, Dhimaz Gilang Ramadhan, Geavani Eva Ramadhania, Hakim L. Malasan, E. I. Akbar, Aprilia Aprilia, Ade Nur Istiqomah
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 51, Iss 3, Pp 243-251 (2019)
Hα line variations of 8 B-emission (Be) stars are presented. Stars that are listed in the Bright Star Catalogue were observed in 2009 at the Bosscha Observatory, Lembang, Indonesia. It was found that 4 stars showed phase changing from Be double-peak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ad48c5c4676b62018cb97bed55aff97
http://journals.itb.ac.id/index.php/jmfs/article/view/5877
http://journals.itb.ac.id/index.php/jmfs/article/view/5877
Publikováno v:
Journal of Physics: Conference Series. 2214:012004
Vision is a continuous two-dimensional (2-D) image that can be perceived by human visual system. Mathematically, image is a 2-D function that expresses the intensity of light. This research introduces the fundamental ideas of computer vision. We used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1b64c4a26165d985f09acc916e9821a
https://doi.org/10.1088/1742-6596/2214/1/012004
https://doi.org/10.1088/1742-6596/2214/1/012004
Autor:
Boonrucksar Soonthornthum, Hakim L. Malasan, Chan Oeurn Chey, Hasan Abu Kassim, Khin Swe Myint, Cynthia Celebre, Pham Ngoc Diep, Abel Yang
Publikováno v:
EPJ Web of Conferences, Vol 240, p 00001 (2020)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8b63590161a2b4b7e14cb9e1a5f11e0
https://www.epj-conferences.org/articles/epjconf/pdf/2020/16/epjconf_seaan2020_00001.pdf
https://www.epj-conferences.org/articles/epjconf/pdf/2020/16/epjconf_seaan2020_00001.pdf
Autor:
T Yamamuro, Hideyo Kawakita, Akira Arai, Evaria Puspitaningrum, Irham T Andika, Robiatul Muztaba, Imanul Jihad, Hakim L Malasan
Publikováno v:
Indonesian Journal of Physics. 27:1-8
In 2015, the Institute Teknologi Bandung (ITB) signed a Memorandum of Understanding with Sangyou Kyoto University (KSU). One realization of collaboration between ITB and KSU is observational program of Novae using a compact spectrograph NEO-R1000 (No
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71f530dda5ee076c4a2e453a413d3276
https://doi.org/10.5614/itb.ijp.2016.27.1.1
https://doi.org/10.5614/itb.ijp.2016.27.1.1
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 537:012008
Spectroscopic observations of standard stars (spectrophotometric) have been carried out at Bosscha Observatory ITB (latitude= 6°49′28″ S, longitude= 107°36′56″ E, altitude=1310 m) using the Celestron C-11 reflector (D=11 inches, F/10.0), eq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::679924cef68ffe6ba6968172eba31bc3
https://doi.org/10.1088/1755-1315/537/1/012008
https://doi.org/10.1088/1755-1315/537/1/012008
Publikováno v:
Journal of Physics: Conference Series. 1523:012001
Wolf-Rayet (WR) stars exhibit broad emission lines in their spectra. Based on the featured lines, they are classified into three types: nitrogen-rich WN, carbon-rich WC, and oxygen-rich WO. Broad emission lines indicate high expansion velocity and al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f26366e31ca9842893dc906578eb038
https://doi.org/10.1088/1742-6596/1523/1/012001
https://doi.org/10.1088/1742-6596/1523/1/012001
Autor:
Azlizan Adhyaqsa, Hakim L. Malasan, Dimas A. Prabowo, Aprilia, L. Puspitarini, M. Rafif Rabbani
Publikováno v:
Journal of Physics: Conference Series. 1523:012018
We report an optical spectroscopic observational program of emission-line objects at Bosscha Observatory. The observations were conducted on 18 nights between May to July 2019. We employ the spectrograph NEO-R1000 (R∼1000) equipped with SBIG ST-8 X
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10226ac7944dc241eb0a23cfe02e89b7
https://doi.org/10.1088/1742-6596/1523/1/012018
https://doi.org/10.1088/1742-6596/1523/1/012018
Publikováno v:
Publications of The Korean Astronomical Society. 30:251-254
Low resolution spectra of Nova Delphini 2013 (V339 Del) in the optical range have been obtained at Bosscha Observatory, Indonesia during its maximum light (V = 4.3). Spectra were observed from August 16 to 27, 2013. The GAO-ITB RTS 20.3 cm telescope,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e02b375c3b81848e8498521dae65fdad
https://doi.org/10.5303/pkas.2015.30.2.251
https://doi.org/10.5303/pkas.2015.30.2.251
Autor:
A. Yamani, Hakim L. Malasan
Publikováno v:
Publications of The Korean Astronomical Society. 30:715-718
Astronomy is a popular topic for the public in term of astronomical phenomenon such as occultations, solar and lunar eclipses or meteor showers. In term of education, astronomy also is popular as one of the world Science Olympiads. Social media, as t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed87efc0ea0eb870e19b78687ed0cd91
https://doi.org/10.5303/pkas.2015.30.2.715
https://doi.org/10.5303/pkas.2015.30.2.715