bluuebunny/crossref_metadata_2025_split huggingface dataset:
PENGELOLAAN LUBUK LARANGAN SEBAGAI BENTUK KEARIFAN LOKAL DI SUNGAI BATANG JUJUHAN KABUPATEN BUNGO PROVINSI JAMBI
Authors: Sairun Sairun , Syafrialdi Syafrialdi , Djunaidi Djunaidi 
Published: February 2022

Latar Belakang Perairan Sungai Batang Jujuhan merupakan salah satu sungai utama di Kabupaten Bungo dan merupakan bentuk perairan yang terbuka dan bermuara di sungai Batang Hari. Hasil observasi dilapangan bahwa bagi masyarakat petani nelayan sungai dimanfaatkan untuk usaha penangkapan ikan, budidaya ikan dan sebagian masyarakat digunakan untuk mandi.Tujuan penelitian adalah untuk mengetahui bagaimana bentuk pengelolaan lubuk larangan sebagai bentuk kearifan lokal di Sungai Batang Jujuhan Kabupaten Bungo.Metode Deskriptif kualitatif, yaitu untuk memberikan gambaran dan penjelasan secara faktual dan akurat mengenai fakta – fakta dan gejala yang ada di lokasi penelitian, Eksperimen , yaitu melakukan survei, pengambilan data dan pengamatan langsung di lapangan dengan menggunakan data kuisioner atau wawancara langsung dengan responden. Sedangkan data sekunder meliputi inventarisasi kondisi sosial, ekonomi, lingkungan dan budaya masyarakat di kawasan lubuk larangan Hasil penelitian menyatakan bahwa bentuk – bentuk kearifan lokal masyarakat Dusun Rantau Panjang, Dusun Pulau Batu dan Dusun Aur Gading dalam upaya mengelola lubuk larangan Hugo, Pulau Batu dan lubuk larangan Beringin Jaya terdiri dari : 1) Merencanakan pembentukan lubuk larangan melalui musyawarah dalam upaya menyelamatkan lingkungan perairan sungai, 2) Terbentuknya aturan – aturan dan sanksi bagi lubuk larangan Hugo dan aturan – aturan saja tidak ada sanksi bagi lubuk larangan Pulau Batu dan Beringin Jaya,3) Masyarakat Dusun Rantau Panjang, Dusun Pulau Batu dan Dusun Aur Gading mempunyai kepercayaan bahwa yang mengambil ikan dilubuk larangan akan meninggal, 4) Dapat mengubah prilaku masyarakat kearah yang lebih posistif dari aspek ekologi dan sosial , seperti : Mengunakan alat panen yang ramah lingkungan seperti lukah, jala, jaring dll, Melarang menangkap ikan di sepanjang lubuk larangan, Memelihara dan memanfaatkan lubuk sebagai tempat berkembangbiaknya ikan – ikan. Kata Kunci : Kearifan Lokal, Deskriptif kualitatif, Lubuk Larangan
STUDI AWAL KESESUAIAN LAHAN BUDIDAYA UDANG VANNAME (LITOPENAEUS VANNAMEI) DI MUARA SUNGAI SIBUNDONG KABUPATEN TAPANULI TENGAH PROVINSI SUMATERA UTARA
Authors: Arsanti Arsanti , Firmansyah Rodhi , Mei Susi , Farah Nida , Sibuea Nur Ummi 
Published: February 2022

Diversifikasi usaha perikanan dan kelautan, khususnya budidaya udang vanname (Litopenaeus vannamei) memerlukan perhatian dan studi yang intensif. Studi kesesuaian lahan untuk budidaya udang vanname dilakukan pada bulan Desember 2018-Februari 2019 yang dititikberatkan pada parameter fisika, kimia serta biologi perairan muara Sungai Sibundong yang nantinya akan menentukan tingkat keberhasilan budidaya. Studi dilakukan dengan pengukuran parameter secara in situ research kemudian dilakukan pembobotan dan perhitungan tingkat pengaruh dari setiap parameter terhadap daerah yang berpotensi untuk budidaya udang. Hasil studi menunjukkan bahwa muara Sungai Sibundong sangat sesuai untuk budidaya udang yang ditunjukkan dengan kisaran suhu antara 24,70oC-24,90oC, salinitas 0 ppt, kecerahan berkisar antara 40-59,16 m, kedalaman berkisar antara 1-1,5 m, pH berkisar antara 7,21-7,91, DO berkisar antara 6,18-6,68 mg/l, Ammonia berkisar antara 0,5-1 mg/l, dan fosfat berkisar antara <1mg/l. Dari wilayah muara Sungai Sibundong yang diteliti, kesemuanya tergolong kedalam kategori sesuai, memenuhi persyaratan minimal (S2). Kesimpulan yang dapat diambil adalah bahwa secara umum adalah bahwa muara Sungai Sibundong, Kabupaten Tapanuli Tengah, Sumatera Utara dapat mendukung pengembangan usaha budidaya udang vanname. Kata kunci: Kesesuaian Lahan Budidaya, Muara Sungai Sibundong, Sorkam, Udang vanname.
KAJIAN PENERAPAN SANITATION STANDARD OPERATING PROCEDURES (SSOP) DAN GOOD MANUFACTURING PRACTICES (GMP) PADA INDUSTRI PENGOLAHAN IKAN PATIN(Pangasius sutchi) ASAP DI DESA KOTO MASJID KECAMATAN XIII KOTO KAMPAR KABUPATEN KAMPAR-RIAU
Authors: Maryeni Sri , Sya'bandi Harry 
Published: February 2022

Teknologi pengolahan ikan tradisional biasanya dicirikan dengan suatu gambaran yang kurang baik, keamanan pangannya tidak terjamin, usaha biasanya dikelola secara kekeluargaan dengan tingkat kemampuan manajemen yang kurang baik. Keadaan ini dapat diperbaiki dengan menggunakan cara pengolahan yang benar dan mengacu pada Sanitation Standard Operating Procedures (SSOP) dan mengacu pada Good Manufacturing Practices (GMP), melakukan rasionalisasi dan standarisasi mulai dari bahan baku, bahan pembantu, proses hingga produk akhir serta menerapkan prinsip sanitasi dan higienis yang baik. Tujuan penelitian ini adalah menganalisa proses pengolahan ikan Patin (Pangasius sutchi) asap yang biasa dilakukan oleh pengolah serta menganalisa program kelayakan dasar (SSOP dan GMP) dan tingkat penerapannya di Desa Koto Masjid Kecamatan XIII Koto Kampar Kabupaten Kampar. Waktu penelitian dilaksanakan pada bulan Februari 2018 sampai dengan Maret 2018 di Desa Koto Masjid Kecamatan XIII Koto Kampar Kabupaten Kampar Propinsi Riau. Metode yang digunakan dalam penelitian adalah metode deskriftif. Hasil penelitian menunjukan bahwa analisis kelayakan dasar di Unit Pengolahan Ikan UPTD Perikanan Kampar masih bersifat tradisional serta terdapat 6 tahapan titik kritis yaitu tahapan penerimaan bahan baku, penyiangan, pencucian, penirisan, penyusunan dan pengasapan. Kata Kunci : Ikan Patin (Pangasiussutchi), GMP, Kabupaten Kampar, Penerapan, SSOP
IDENTIFIKASI ALAT TANGKAP IKAN RAMAH LINGKUNGAN YANG BEROPERASI DI PERAIRAN SUNGAI ALAI KABUPATEN TEBO PROVINSI JAMBI
Authors: Rohadi Yusuf , Hertati Rini , Kholis Muhammad Natsir 
Published: February 2022

Penelitian ini dilaksanakan pada bulan Maret-April 2020. Lokasi penelitian di perairan sungai alai Kabupaten Tebo Provinsi Jambi. Tujuan penelitian ini adalah untuk mengidentifikasi alat tangkap ikan yang beroperasi di sungai alai dan mengetahui tingkat keramah lingkungannya. Adapun pengambilan sampel menggunakan metode purposive sampling, artinya pengambilan sampel penelitian diambil sesuai kebutuhan penelitian. Dari hasil identifikasi alat penangkapan ikan diperoleh 4 kelompok jenis alat penangkapan ikan yaitu terdiri dari: kelompok jenis alat tangkap perangkap (sruwo, ambat, bubu kawat), kelompok jenis alat tangkap jaring insang (jaring), kelompok jenis alat tangkap pancing (pancing lempar, pancing tajur, rawai), kelompok jenis alat tangkap penjepit dan melukai (tembak ikan). Dari 8 jenis alat penangkapan yang teridentifikasi, semuanya berkategori sangat ramah lingkungan. Kata Kunci : Alat Penangkapan Ikan, Identifikasi, Ramah Lingkungan, Sungai Alai, Jambi
KAJIAN LAJU EKSPLOITASI HASIL TANGKAPAN DI SEKITAR KAWASAN TAMAN WISATA PERAIRAN (TWP) PULAU PIEH
Authors: Monika Defra , Arlius Arlius , Masrizal Masrizal 
Published: February 2022

The study is done at October to December 2018 in Tourist Waters Park Area Pieh Island.Choice of location for the Marine Park Area Pieh Island and the sea all around, located in two cities is Padang City and Pariaman city and one district Padang Pariaman doing by deliberately (purposive sampling). Research aims to known the exploitation of fish and aimed to know the state of resources fish in Marine Park Area Pieh Island.The research results show that the rate of the exploits of fish in Marine Park Area Pieh Island the longest wait with an average value of the the exploits of 0,75731 , the rate of the exploits of has the highest poverty rate is found in species of Stolephorus sp , Euthynnus sp, Rastrelliger spp, Sardinella spp, Selaroides sp, Leiognathus spp, Scomberoides sp, Caranx sp, Alectis sp, Sphyraena sp, Acanthocybium sp, Lutjanus sp, Trihiurusavala sp, Katsuwonus sp, Epinephelus spp, Arius spp, Lolligo spp with the size of the taxes exploits of >0,5. The lowest exploitation is found in species of fish, Decapterus sp, Therapon spp , Thunnus sp still under the < 0,5, still can be used optimally. Instrument get used to have a low selektifitas where all of the size of fish arrested so that reduces the chance to the fish grow can indeed be resulted in excess catch (overfishing).Keyword : exploitation, Utilization, Marine Park Area Pieh IslandABSTRAK Kajian eksploitasi hasil tangkapan di sekitar Kawasan Taman Wisata Perairan Pulau Pieh berperan untuk mengetahui tingkatan eksploitasi. Tujuan penelitian ini adalahUntuk mengetahui Hasil Tangkapan ikan dan mengetahui hasil eksploitasi ikan. Penentuan lokasi penelitian dilakukan dengan sengaja (purposive sampling) yakni pada TPI Pasie Nan Tigo Kota Padang, TPI Karan Aur Kota Pariaman, TPI Pasar Ulakan Kabupaten Padang Pariaman dan PPI Pasir Baru Kabupaten Padang Pariaman.Hasil penelitian menunjukkan Tingkat eksploitasi ikan di TWP Pulau Pieh dengan rata – rata nilai eksploitasi 0,75731, laju eksploitasi tertinggi terdapat pada jenis ikan Teri, Tongkol Kembung, Sarden, Selar, Peperek, Talang – Talang, Kuwe, Barakuda, Tenggiri, Kakap, Layur, Cakalang, Kerapu, Gole – Gole, Manyung dan Cumi – Cumi dengan besaran eksploitasi > 0,5. Laju Eksploitasi Terendah terdapat pada jenis ikan Layang, Tuna dan Kerong – kerong yang masih dibawah angka ketetapan < 0,5, sehingga masih dapat dimanfaatkan secara optimal. Kondisi sumberdaya ikan di TWP Pulau Pieh sudah mengalami overfishing atau kelebihan tangkap dikarenakan tingginya laju eksploitasi penangkapan. Alat tangkap yang digunakan memiliki tingkat selektifitas yang rendah sehingga dapat mengakibatkan kelebihan tangkap. Kata Kunci: Eksploitasi, Pemanfaatan, TWP Pulau Pieh
HASIL BELAJAR SISWA KELAS V PADA PELAJARAN MATEMATIKA DENGAN MENGGUNAKANALAT PERAGA KONKRET DI SDN 11 MERAPI BARAT
Authors: Nugraha Abi , Maharani Siti Dewi , Gandi Indra 
Published: February 2022

AbstractThis study aims to improve the learning outcomes of fifth grade students in learning materials using concrete teaching aids. The method of this research is Classroom Action Research, which consists of planning, implementing, observing, and reflecting. The results showed that there was an increase in student learning outcomes. This can be seen from the learning completeness of students, starting from the first cycle with a percentage of 66.66%, in the second cycle it increased by 75%, and in the third cycle it increased by 91.66%. Based on these results, it can be concluded that research using concrete teaching aids can improve the learning outcomes of fifth grade students of SD Negeri 11 Merapati Barat. Key Words: Concrete teaching aids, learning outcomes AbstrakPenelitian ini bertujuan untuk meningkatkan hasil belajar siswa kelas V pada pembelajaran matermatika dengan menggunakan media alat peraga konkret. Metode penelitian ini adalah Penelitian Tindakan Kelas, yang terdiri dari tahap perencanaan, pelaksanaan, observasi, dan refleksi. Hasil penelitian menunjukkan bahwa terdapat peningkatan pada hasil belajar peserta didik. Hal ini dapat dilihat dari ketuntasan belajar peserta didik, mulai dari siklus I dengan persentase sebesar 66,66%, pada siklus II meningkat sebesar 75%, dan pada siklus III meningkat sebesar 91,66%. Berdasarkan hasil penelitian tersebut dapat disimpulkan bahwa penelitian dengan menggunakan media alat peraga konkret dapat meningkatkan hasil belajar siswa kelas V SD Negeri 11 Merapati Barat. Kata Kunci: Alat peraga konkret, hasil belajar
HASIL BELAJAR PESERTA DIDIK TENTANG MACAM-MACAM GAYA DENGAN MENGGUNAKAN WHITEBOARD ANIMATION DI KELAS IV SD NEGERI 22 LAHAT
Authors: Karim Rinta Viranda , Toybah Toybah , Mashannuddin Mashannuddin 
Published: February 2022

AbstractThis study aims to describe efforts to improve learning outcomes of the fourth grade students in type of forces materials using Whiteboard Animation Media at Elementary School number 22 Lahat. This research applied classroom action research method with three cycles of action. The research subjects were fourth grade students, with the total of 9 students consisting of 4 boys and 5 girls. The results of the study indicated that the value of student learning outcomes has increased. This can be seen in the percentage of student learning completeness in the first cycle of 55.5%, the second cycle increased to 77.7%, the third cycle increased to 88.8%. In addition, based on the results of observations, scores of students’ activities have increased. In the first cycle, the percentage of student activity in learning reaches 61.5% with a moderately active category. In the second cycle, it has increased to 70.3% with an active category. In the third cycle, it increased to 80.5% in the very active category. This indicated that the application of Whiteboard Animation Learning Media can improve the learning outcomes of fourth grade students about type of forces materials at SD Negeri 22 Lahat. Keywords: Whiteboard Animation media, learning outcomes. AbstrakPenelitian ini bertujuan untuk mendeskripsikan upaya peningkatan hasil belajar peserta didik kelas IV tentang macam-macam gaya menggunakan Media Whiteboard Animation di SD Negeri 22 Lahat. Penelitian ini menggunakan metode penelitian tindakan kelas dengan tiga siklus tindakan. Subjek penelitian adalah peserta didik kelas IV, yang berjumlah 9 peserta didik terdiri dari 4 laki-laki dan 5 perempuan. Dari hasil penelitian menunjukkan bahwa nilai hasil belajar peserta didik mengalami peningkatan, hal ini terlihat pada persentase ketuntasan belajar peserta didik di siklus I sebesar 55,5%, siklus II mencapai 77,7 %, siklus III persentase ketuntasan belajar peserta didik meningkat mencapai 88,8%. Selain itu, aktivitas peserta didik yang mengalami peningkatan, pada siklus I presentase aktivitas peserta didik dalam belajar mencapai 61,5% dengan kategori cukup aktif, pada siklus II mengalami peningkatan menjadi 70,3% dengan kategori aktif, dan pada siklus III mengalami peningkatan menjadi 80,5% dengan kategori sangat aktif. Hal ini membuktikkan bahwa melalui Media Pembelajaran Whiteboard Animation dapat meningkatkan hasil belajar peserta didik kelas IV tentang macam-macam gaya di SD Negeri 22 Lahat. Kata kunci : Media Whiteboard Animation, hasil belajar.
MeerKAT Primary-beam Measurements in the L Band
Authors: de Villiers Mattieu S. , Cotton William D. 
Published: February 2022

Abstract
Full-polarization primary-beam patterns of MeerKAT antennas have been measured in the L band (856–1711MHz) by means of radio holography using celestial targets. This paper presents the observed frequency-dependent properties of these beams and guides users of this 64 antenna radio telescope that are concerned by its direction-dependent polarization effects. In this work, the effects on the primary beams due to modeling simplifications, bandwidth averaging, gravitational loading, and ambient temperature are quantified within the half-power region of the beam. A perspective is provided on the level of significance of typical use case effects. It is shown that antenna pointing is a leading cause of inaccuracy for telescope users in the presumed beam shape, introducing errors exceeding 1% in power near the half-power point of beams, owing to a telescope pointing accuracy of σ ≈ 0.′6. Disregarding these pointing errors, variability in the Stokes I beam shape relative to the array average is most commonly around 0.3% in power; however, the impact above 1500 MHz is on average triple that of the lower half of the band. This happens because the proportion of higher-order waveguide modes that are activated and propagate is sensitive to small manufacturing differences in the orthomode transducer for each receiver. Primary-beam correction verification test results for an off-axis spectral-index measurement experiment are included.
Near-IR and X-Ray Variability of Cyg X-3: Evidence for a Compact IR Source and Complex Wind Structures
Authors: Antokhin Igor I. , Cherepashchuk Anatol M. , Antokhina Eleonora A. , Tatarnikov Andrey M. 
Published: February 2022

Abstract
We study near-infrared (JHK) and X-ray light curves of Cyg X-3 obtained with the 2.5 m telescope of the Caucasian Mountain Observatory of MSU SAI and collected from the RXTE ASM and MAXI archives. The light curves in the X-ray and IR domains are strongly affected by irregular variations. However, the mean curves are remarkably stable and qualitatively similar in both domains. This means that the IR flux of the system originates not only from the free–free radiation of the Wolf–Rayet (WR) wind but also from a compact IR source located near the relativistic companion. The shape of the mean X-ray and IR light curves suggest the existence of two additional structures in the WR wind—a bow shock near the relativistic companion and a so-called “clumpy trail.” Modeling of the mean X-ray and IR light curves allowed us to obtain important system parameters: the orbital phase of the superior conjunction of the relativistic companion ϕ
0 = −0.066 ± 0.006, the orbital inclination angle i = 29.°5 ± 1.°2, and the WR mass-loss rate

M

̇

=
(
0.96
±
0.14
)
×

10

−
5

M

⊙

yr

−
1

. By using relations between

M

̇

and the rate of the period change and between

M

̇

and the WR mass, we estimated the probable mass of the relativistic companion M
C ≃ 7.2 M
⊙, which points toward the black hole hypothesis. However, this estimate is based on the assumption of a smooth WR wind. Considering the uncertainty associated with clumping, the mass-loss rate can be lower, which leaves room for the neutron star hypothesis.
The Compactness of Galaxy Groups in the Sloan Digital Sky Survey
Authors: Zheng 郑 Yun-Liang 云亮 , Shen 沈 Shi-Yin 世银 , Feng 冯 Shuai 帅 
Published: February 2022

Abstract
We use an updated version of the halo-based galaxy group catalog of Yang et al., and take the surface brightness of the galaxy group (μ
lim) based on projected positions and luminosities of galaxy members as a compactness proxy to divide groups into subsystems with different compactness. By comparing various properties, including galaxy conditional luminosity function, stellar population, active galactic nuclei (AGN) activity, and X-ray luminosity of the intracluster medium of carefully controlled high (HC) and low compactness (LC) group samples, we find that group compactness plays an essential role in characterizing the detailed physical properties of the group themselves and their group members, especially for low-mass groups with M
h ≲ 1013.5
h
−1
M
⊙. We find that the low-mass HC groups have a systematically lower magnitude gap Δm
12 and X-ray luminosity than their LC counterparts, indicating that the HC groups are probably in the early stage of group merging. On the other hand, a higher fraction of passive galaxies is found in the HC group, which however is a result of systematically smaller halo-centric distance distribution of their satellite population. After controlling for both M
h and halo-centric distance, we did not find any differences in both the quenching fraction and AGN activity of the member galaxies between the HC and LC groups. Therefore, we conclude that the halo quenching effect, which results in the halo-centric dependence of a galaxy population, is a faster process compared to the dynamical relaxed timescale of galaxy groups.
Conditions for Direct Black Hole Seed Collapse near a Radio-loud Quasar 1 Gyr after the Big Bang
Authors: Overzier Roderik A. 
Published: February 2022

Abstract
Observations of luminous quasars and their supermassive black holes at z ≳ 6 suggest that they formed at dense matter peaks in the early universe. However, few studies have found definitive evidence that the quasars lie at cosmic density peaks, in clear contrast with theory predictions. Here we present new evidence that the radio-loud quasar SDSS J0836+0054 at z = 5.8 could be part of a surprisingly rich structure of galaxies. This conclusion is reached by combining a number of findings previously reported in the literature. Bosman et al. obtained the redshifts of three companion galaxies, confirming an overdensity of i
775 dropouts found by Zheng et al. By comparing this structure with those found near other quasars and large overdense regions in the field at z ∼ 6–7, we show that the SDSS J0836+0054 field is among the densest structures known at these redshifts. One of the spectroscopic companions is a very massive star-forming galaxy (

log

10

(



⋆

/

M

⊙

)
=

10.3

−
0.2

+
0.3

) based on its unambiguous detection in a Spitzer 3.6 μm image. This suggests that the quasar field hosts not one, but at least two rare, massive dark matter halos (

log

10

(



h

/

M

⊙

)
≳
12

), corresponding to a galaxy overdensity of at least 20. We discuss the properties of the young radio source. We conclude that the environment of SDSS J0836+0054 resembles, at least qualitatively, the type of conditions that may have spurred the direct collapse of a massive black hole seed according to recent theory.
Space Debris Automation Detection and Extraction Based on a Wide-field Surveillance System
Authors: Jiang Ping , Liu Chengzhi , Yang Wenbo , Kang Zhe , Fan Cunbo , Li Zhenwei 
Published: February 2022

Abstract
Wide-field telescopes with long exposure times have stronger space target detection capabilities. However, complex background sky conditions will still cause a series of difficulties in detecting space debris, such as a large number of star points, a large amount of noise, and the discontinuity and nonlinearity of the target. We propose a space debris automatic extraction channel with a high detection rate and low computational cost to solve these difficulties. We apply an improved median filter for noise elimination and then the double-structure morphological filter algorithm used to suppress the background of the star image to eliminate star points and noise. Then, the guided filter was used to eliminate residual noise, and star points were used to reduce the impact on the target. Finally, the improved Hough transform was also applied to detect the target in the image. Our automatic extraction algorithm is used in real astronomical star maps, including different orbiting satellites (star-tracking mode). These images were obtained by using a 280 mm diameter telescope, which was located in Changchun Observatory. The experimental results demonstrated the effectiveness of the extraction algorithm in this study. It can effectively detect and track space targets in a long-exposure wide-field surveillance system and has high positioning accuracy and low computational complexity, which solves the problem of space debris extraction under a complex background.
CWISE J014611.20–050850.0AB: The Widest Known Brown Dwarf Binary in the Field
Authors: Softich Emma , Schneider Adam C. , Patience Jennifer , Burgasser Adam J. , Shkolnik Evgenya , Faherty Jacqueline K. , Caselden Dan , Meisner Aaron M. , Kirkpatrick J. Davy , Kuchner Marc J. , Gagné Jonathan , Gagliuffi Daniella Bardalez , Cushing Michael C. , Casewell Sarah L. , Aganze Christian , Hsu Chih-Chun , Andersen Nikolaj Stevnbak , Kiwy Frank , Thévenot Melina ,   The Backyard Worlds: Planet 9 Collaboration
Published: February 2022

Abstract
While stars are often found in binary systems, brown dwarf binaries are much rarer. Brown dwarf–brown dwarf pairs are typically difficult to resolve because they often have very small separations. Using brown dwarfs discovered with data from the Wide-field Infrared Survey Explorer (WISE) via the Backyard Worlds: Planet 9 citizen science project, we inspected other, higher-resolution, sky surveys for overlooked cold companions. During this process, we discovered the brown dwarf binary system CWISE J0146−0508AB, which we find has a very small chance alignment probability based on the similar proper motions of the components of the system. Using follow-up near-infrared spectroscopy with Keck/NIRES, we determined component spectral types of L4 and L8 (blue), making CWISE J0146−0508AB one of only a few benchmark systems with a blue L dwarf. At an estimated distance of ∼40 pc, CWISE J0146−0508AB has a projected separation of ∼129 au, making it the widest-separation brown dwarf pair found to date. We find that such a wide separation for a brown dwarf binary may imply formation in a low-density star-forming region.