The Circumstellar Environment of High Mass Protostellar Objects. III Evidence of Infall?

The results are presented of a molecular line survey to search for the spectral signature of infall towards 77 850 micron continuum sources believed to be candidate high mass protostellar objects. Up to six different transitions, HCO+ 1-0, 3-2 and 4-3, H2CO 2_12-1_11, N2H+ and H13CO+ 3-2, were observed towards each source. Towards the peak of the 850 micron emission, N2H+ was typically strong, with a peak antenna temperature of ~1.5K, with a typical linewidth of ~2km/s. The good agreement between the velocity and velocity width of the N2H+ and H13CO+ emission suggests that both species are tracing similar material in the sources. With respect to the velocity of the N2H+, there is a statistically significant excess of blue asymmetric line profiles in both the HCO+ 1-0 and H2CO transitions. This excess reaches levels similar to that seen towards samples of low mass protostars, and suggests that the material around these high mass sources is infalling. We identify 22 promising candidate infall sources which show at least one blue asymmetric line profile and no red asymmetric profiles. The infall velocity is estimated to be in the range of 0.1 km/s to 1 km/s with an implied mass accretion rate of between 2x10^{-4} Msol/yr and 10^{-3}Msol/yr.Comment: Accepted for publication in Astronomy and Astrophysics. Higher resolution versions of Figures 1 and 2 are available from http://www.jb.man.ac.uk/~gaf/Papers.htm

Grinnell Area Local Food System Initiative

This project provides a model for formation of a consortium of organizations to encourage and oversee the development of a local food system based upon sustainable farming practices

THE QUALITY AND RESULTS LEARNING USING STRUCTURED DYADIC METHODS

This study attempts to increase the quality of teaching and student learning outcomes in subjects Assemble Personal Computer using dyadic Structured Methods X-class multimedia skills program at SMK Negeri 1 Godean. Improved quality and learning outcomes referred to in this study includes two aspects: cognitive and affective.This research is a classroom action research conducted in two cycles. Each cycle as much as two meetings held consisting of four stages: planning, action, observation and reflection. Students use posttest cognitive instrument, the instrument affective students using observation sheet. Structured learning model form dyadic Methods that do that (a) do the learning plan (b) implement the learning process (c) the evaluation and reflection with students about the learning that has been done.The results showed the quality of student learning in the initial condition amounted to 40.00%, in the first cycle increased to 54.68%, and increased again in the second cycle into 73.61%. Student learning outcomes also increased in each cycle. In the pre-cycle students completed percentage of 40.62%, in the first cycle increased by 71.87%, and increased again in the second cycle of 87.50%.Keyword: the act of class research , structured dyadic methods, assemble personal computer

LAPORAN KEGIATAN INDIVIDU PRAKTIK PENGALAMAN LAPANGAN (PPL) DI SMK MA’ARIF WONOSARI

Praktik Pengalaman Lapangan (PPL) merupakan mata kuliah yang wajib ditempuh oleh mahasiswa bidang kependidikan.. Tujuan Praktik Pengalaman Lapangan adalah memberian pengalaman kepada mahasiswa dalam hal pengalaman mengajar, memperluas wawasan, pelatihan dan pengembangan kompetensi yang diperlukan dalam bidangnya, peningkatan keterampilan, kemandirian, tanggung jawab, dan kemampuan dalam memecahkan masalah. Program PPL berusaha memberdayakan masyarakat sekolah secara maksimal sesuai dengan kemampuan. Kegiatan PPL dimulai dari tanggal 10 Agustus 2015 sampai dengan 12 September 2015. Tahap kegiatan dimulai dari observasi sekolah, perencanaan program, konsultasi program pada pihak sekolah dan Dosen Pembimbing Lapangan (DPL), serta adalah penetapan dan pelaksanaan program yang telah disetujui. Pelaksanaan PPL di SMK Maarif Wonosari dilakukan sesuai tahap yang telah direncanakan. Program kerja yang dilaksanakan telah melalui persetujuan pihak sekolah disesuaikan dengan kondisi sekolah setelah observasi. Tujuan pelaksanaan program-program tersebut yaitu memberikan solusi yang dapat dilakukan mahasiswa terhadap permasalahan yang dialami sekolah. Disamping pelaksanaan program yang telah disusun dalam matriks, mahasiswa juga melakukan praktik mengajar. Kegiatan mengajar disesuaikan bidang studi mahasiswa PPL. Pelaksanaan kegiatan Praktik Pengalaman Lapangan dilakukan secara bertahap, yaitu dimulai dari observasi hingga pelaksanaan Praktik Pengalaman Lapangan yang terbagi menjadi beberapa tahap lagi, yaitu persiapan mengajar, pelaksanaan mengajar dan evaluasi mengajar. Hasil pelaksanaan kegiatan Praktik Pengalaman Lapangan di SMK Maarif Wonosari bagi mahasiswa berupa penerapan ilmu pengetahuan dan praktik keguruan, dalam hal ini bidang Teknik Informatika yang diperoleh selama menimba ilmu di Universitas Negeri Yogyakarta. Selain itu mahasiswa mampu memberikan solusi bagi permasalahan sekolah dengan pelaksanaan berbagai program. Manfaat kegiatan Praktik Pengalaman Lapangan bagi Sekolah yaitu memperoleh kesempatan untuk andil dalam menyiapkan calon guru atau tenaga kependidikan yang professional. Kegiatan Praktik Pengalaman Lapangan juga memiliki manfaat yaitu terjalin kerja sama antara pemerintah daerah dan instansi terkait untuk pengembangan pelaksanaan Tri Dharma Perguruan Tinggi

Precise Stellar Radial Velocities of an M Dwarf with a Michelson Interferometer and a Medium-resolution Near-infrared Spectrograph

Precise near-infrared radial velocimetry enables efficient detection and transit verification of low-mass extrasolar planets orbiting M dwarf hosts, which are faint for visible-wavelength radial velocity surveys. The TripleSpec Exoplanet Discovery Instrument, or TEDI, is the combination of a variable-delay Michelson interferometer and a medium-resolution (R=2700) near-infrared spectrograph on the Palomar 200" Hale Telescope. We used TEDI to monitor GJ 699, a nearby mid-M dwarf, over 11 nights spread across 3 months. Analysis of 106 independent observations reveals a root-mean-square precision of less than 37 m/s for 5 minutes of integration time. This performance is within a factor of 2 of our expected photon-limited precision. We further decompose the residuals into a 33 m/s white noise component, and a 15 m/s systematic noise component, which we identify as likely due to contamination by telluric absorption lines. With further development this technique holds promise for broad implementation on medium-resolution near-infrared spectrographs to search for low-mass exoplanets orbiting M dwarfs, and to verify low-mass transit candidates.Comment: 55 pages and 13 figures in aastex format. Accepted by PAS

Examining the Economic Impact of the Massage & SPA Business in Batam through Social Media Analysis

This study investigates the economic impact of the Massage SPA business in Batam by leveraging social media analysis. The research aims to assist small and medium enterprises (SMEs) in enhancing their branding strategies through platforms like Instagram. Using qualitative methods including interviews, observations, and documentation, the study identifies key areas where researchers can aid in business growth. The findings reveal that the strategic use of social media significantly boosts the visibility and customer engagement of Massage SPA businesses. Timely financial support and flexible repayment options have effectively reduced default rates and promoted business scalability. However, limitations exist due to the lack of pre-financing condition data of SMEs, requiring cautious interpretation of results. The study underscores the continuous growth of outstanding performance annually and the positive outcomes for fund recipients. Recommendations for the businesses include increasing social media activity and expanding to additional platforms to reach a broader audience

REPURCHASE INTENTION OF WATCH PRODUCTS AT SHOPEE MARKETPLACE IN BATAM CITY THROUGH CUSTOMER BRAND ENGAGEMENT

This research aims to explore the impact of perceived perceivable behavior control, customer satisfaction, trust, e-WOM, and customer brand engagement on repurchase intention at marketplace in the city of Batam, Indonesia. The research method uses a qualitative approach by collecting primary data through questionnaires, with a target sample of 200 respondents. Data analysis was carried out using the Smart PLS method. The results of the study show that perceived perceived behavioral control has a significant impact on repurchase intention. Meanwhile, customer satisfaction does not have a significant impact on repurchase intention, but trust and E-WOM show a significant influence on repurchase intention, especially with the mediation of customer brand engagement.Penelitian ini bertujuan untuk mengeksplorasi dampak perceivable behavior control yang dapat dirasakan, customer satisfaction, trust, e-wom, dan customer brand engagement terhadap repurchse intention pada marketplace di Kota Batam, Indonesia. Metode penelitian menggunakan pendekatan kualitatif dengan pengumpulan data primer melalui kuesioner, dengan target sampel sebanyak 200 responden. Analisis data dilakukan menggunakan metode Smart PLS. Hasil penelitian menunjukkan bahwa percevaibel bahavior control yang dapat dirasakan memberikan dampak yang signifikan terhadap repurchse intention. Sementara itu, customer satisfaction tidak memiliki dampak yang signifikan terhadap repurchase intention, namun trust dan E-WOM menunjukkan pengaruh yang signifikan terhadap repurchase intention, terutama dengan adanya mediasi dari customer brand engagemen

Perancangan Media Interaktif tentang Kejujuran untuk Anak Usia 9-12 Tahun

Ketidakjujuran merupakan salah satu masalah yang masih ada di Indonesia sampai saat ini, mulai dari kasus penipuan kecil hingga korupsi dalam jumlah besar. Hal ini menunjukkan bahwa pendidikan karakter kejujuran di Indonesia merupakan hal yang penting, dan salah satu solusi yang bisa dilakukan adalah dengan menanamkan nilai-nilai kejujuran kepada anak sejak dini, agar generasi selanjutnya memiliki fondasi karakter kejujuran yang lebih kuat. Karena itu, penulis melakukan perancangan yang bertujuan untuk menanamkan nilai kejujuran pada anak melalui media cerita interaktif. Metode perancangan yang digunakan adalah model perancangan media interaktif, dimulai dengan pembuatan konsep utama hingga tahap implementasi. Untuk mendukung proses perancangan tersebut, penulis menggunakan metode penelitian kuantitatif dan kualitatif yang terdiri dari kuesioner, wawancara, studi referensi, dan observasi. Hasil Penelitian dari 100 sampel responden menunjukkan bahwa masih banyak anak-anak di Indonesia yang terbiasa untuk berbohong (84%) dan para orang tua juga belum memiliki cara yang efektif untuk menanamkan kejujuran yang kuat kepada anak. Hal ini membuktikan bahwa anak Indonesia masih membutuhkan pendidikan kejujuran dan melalui cerita interaktif diharapkan dapat membantu/menjadi solusi untuk menyelesaikan permasalahan tersebut