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The mid infrared polarisation properties of four Ultraluminous Infrared Galaxies (ULIRGs) have been investigated by broad band filter observations with the ISOCAM instrument on board the Infrared Space Observatory (ISO). The wavelength…

Astrophysics · Physics 2009-11-07 R. Siebenmorgen , A. Efstathiou

We present BISTRO Survey 850 {\mu}m dust emission polarisation observations of the L1495A-B10 region of the Taurus molecular cloud, taken at the JCMT. We observe a roughly triangular network of dense filaments. We detect 9 of the dense…

Astrophysics of Galaxies · Physics 2023-04-05 Derek Ward-Thompson , Janik Karoly , Kate Pattle , Anthony Whitworth , Jason Kirk , David Berry , Pierre Bastien , Tao-Chung Ching , Simon Coude , Jihye Hwang , Woojin Kwon , Archana Soam , Jia-Wei Wang , Tetsuo Hasegawa , Shih-Ping Lai , Keping Qiu , Doris Arzoumanian , Tyler L. Bourke , Do-Young Byun , Huei-Ru Vivien Chen , Wen Ping Chen , Mike Chen , Zhiwei Chen , Jungyeon Cho , Minho Choi , Youngwoo Choi , Yunhee Choi , Antonio Chrysostomou , Eun Jung Chung , Sophia Dai , Victor Debattista , James Di Francesco , Pham Ngoc Diep , Yasuo Doi , Hao-Yuan Duan , Yan Duan , Chakali Eswaraiah , Lapo Fanciullo , Jason Fiege , Laura M. Fissel , Erica Franzmann , Per Friberg , Rachel Friesen , Gary Fuller , Ray Furuya , Tim Gledhill , Sarah Graves , Jane Greaves , Matt Griffin , Qilao Gu , Ilseung Han , Saeko Hayashi , Thiem Hoang , Martin Houde , Charles L. H. Hull , Tsuyoshi Inoue , Shu-ichiro Inutsuka , Kazunari Iwasaki , Il-Gyo Jeong , Doug Johnstone , Vera Konyves , Ji-hyun Kang , Miju Kang , Akimasa Kataoka , Koji Kawabata , Francisca Kemper , Jongsoo Kim , Shinyoung Kim , Gwanjeong Kim , Kyoung Hee Kim , Mi-Ryang Kim , Kee-Tae Kim , Hyosung Kim , Florian Kirchschlager , Masato I. N. Kobayashi , Patrick M. Koch , Takayoshi Kusune , Jungmi Kwon , Kevin Lacaille , Chi-Yan Law , Chang Won Lee , Hyeseung Lee , Yong-Hee Lee , Chin-Fei Lee , Jeong-Eun Lee , Sang-Sung Lee , Dalei Li , Di Li , Guangxing Li , Hua-bai Li , Sheng-Jun Lin , Hong-Li Liu , Tie Liu , Sheng-Yuan Liu , Junhao Liu , Steven Longmore , Xing Lu , A-Ran Lyo , Steve Mairs , Masafumi Matsumura , Brenda Matthews , Gerald Moriarty-Schieven , Tetsuya Nagata , Fumitaka Nakamura , Hiroyuki Nakanishi , Nguyen Bich Ngoc , Nagayoshi Ohashi , Takashi Onaka , Geumsook Park , Harriet Parsons , Nicolas Peretto , Felix Priestley , Tae-Soo Pyo , Lei Qian , Ramprasad Rao , Jonathan Rawlings , Mark Rawlings , Brendan Retter , John Richer , Andrew Rigby , Sarah Sadavoy , Hiro Saito , Giorgio Savini , Masumichi Seta , Yoshito Shimajiri , Hiroko Shinnaga , Mehrnoosh Tahani , Motohide Tamura , Ya-Wen Tang , Xindi Tang , Kohji Tomisaka , Le Ngoc Tram , Yusuke Tsukamoto , Serena Viti , Hongchi Wang , Jintai Wu , Jinjin Xie , Meng-Zhe Yang , Hsi-Wei Yen , Hyunju Yoo , Jinghua Yuan , Hyeong-Sik Yun , Tetsuya Zenko , Guoyin Zhang , Yapeng Zhang , Chuan-Peng Zhang , Jianjun Zhou , Lei Zhu , Ilse de Looze , Philippe Andre , C. Darren Dowell , David Eden , Stewart Eyres , Sam Falle , Valentin J. M. Le Gouellec , Frederick Poidevin , Jean-Francois Robitaille , Sven van Loo

We report observations of the linear polarization of a sample of 49 nearby bright stars measured to sensitivities of between ~1 and 4 x 10^-6. The majority of stars in the sample show measurable polarization, but most polarizations are…

Solar and Stellar Astrophysics · Physics 2015-05-18 Jeremy Bailey , P. W. Lucas , J. H. Hough

Maps of estimated dust column density in molecular clouds are usually assumed to reliably trace the total gas column density structure. In this work we present results showing a clear discrepancy between the dust and the gas distribution in…

The review contains an analysis of the observed and model curves of the interstellar extinction and polarization. The observations mainly give information on dust in diffuse and translucent interstellar clouds. The features of various dust…

Astrophysics of Galaxies · Physics 2015-06-05 N. V. Voshchinnikov

Planck allows unbiased mapping of Galactic sub-millimetre and millimetre emission from the most diffuse regions to the densest parts of molecular clouds. We present an early analysis of the Taurus molecular complex, on…

Astrophysics of Galaxies · Physics 2015-05-27 Planck Collaboration , A. Abergel , P. A. R. Ade , N. Aghanim , M. Arnaud , M. Ashdown , J. Aumont , C. Baccigalupi , A. Balbi , A. J. Banday , R. B. Barreiro , J. G. Bartlett , E. Battaner , K. Benabed , A. Benoît , J. -P. Bernard , M. Bersanelli , R. Bhatia , J. J. Bock , A. Bonaldi , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , M. Bucher , C. Burigana , P. Cabella , J. -F. Cardoso , A. Catalano , L. Cayón , A. Challinor , A. Chamballu , L. -Y Chiang , C. Chiang , P. R. Christensen , D. L. Clements , S. Colombi , F. Couchot , A. Coulais , B. P. Crill , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , G. de Gasperis , A. de Rosa , G. de Zotti , J. Delabrouille , J. -M. Delouis , F. -X. Désert , C. Dickinson , K. Dobashi , S. Donzelli , O. Doré , U. Dörl , M. Douspis , X. Dupac , G. Efstathiou , T. A. Enßlin , H. K. Eriksen , F. Finelli , O. Forni , M. Frailis , E. Franceschi , S. Galeotta , K. Ganga , M. Giard , G. Giardino , Y. Giraud-Héraud , J. González-Nuevo , K. M. Górski , S. Gratton , A. Gregorio , A. Gruppuso , V. Guillet , F. K. Hansen , D. Harrison , S. Henrot-Versillé , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , W. Hovest , R. J. Hoyland , K. M. Huffenberger , A. H. Jaffe , A. Jones , W. C. Jones , M. Juvela , E. Keihänen , R. Keskitalo , T. S. Kisner , R. Kneissl , L. Knox , H. Kurki-Suonio , G. Lagache , J. -M. Lamarre , A. Lasenby , R. J. Laureijs , C. R. Lawrence , S. Leach , R. Leonardi , C. Leroy , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , J. F. Macías-Pérez , C. J. MacTavish , B. Maffei , N. Mandolesi , R. Mann , M. Maris , D. J. Marshall , P. Martin , E. Martínez-González , S. Masi , S. Matarrese , F. Matthai , P. Mazzotta , P. McGehee , P. R. Meinhold , A. Melchiorri , L. Mendes , A. Mennella , S. Mitra , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , D. Munshi , A. Murphy , P. Naselsky , P. Natoli , C. B. Netterfield , H. U. Nørgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , S. Osborne , F. Pajot , R. Paladini , F. Pasian , G. Patanchon , O. Perdereau , L. Perotto , F. Perrotta , F. Piacentini , M. Piat , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , T. Poutanen , G. Prézeau , S. Prunet , J. -L. Puget , W. T. Reach , R. Rebolo , M. Reinecke , C. Renault , S. Ricciardi , T. Riller , I. Ristorcelli , G. Rocha , C. Rosset , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , D. Santos , G. Savini , D. Scott , M. D. Seiffert , P. Shellard , G. F. Smoot , J. -L. Starck , F. Stivoli , V. Stolyarov , R. Sudiwala , J. -F. Sygnet , J. A. Tauber , L. Terenzi , L. Toffolatti , M. Tomasi , J. -P. Torre , M. Tristram , J. Tuovinen , G. Umana , L. Valenziano , L. Verstraete , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , D. Yvon , A. Zacchei , A. Zonca

Polarized emission from aligned dust is a crucial tool for studies of magnetism in the ISM and a troublesome contaminant for studies of CMB polarization. In each case, an understanding of the significance of the polarization signal requires…

We present a large-scale view of the magnetic field in the central 2deg * 2deg region of our Galaxy. The polarization of point sources has been measured in the J, H, and Ks bands using the near-infrared polarimetric camera SIRPOL on the 1.4…

Young giant planets and brown dwarf companions emit near-infrared radiation that can be linearly polarized up to several percent. This polarization can reveal the presence of a circumsubstellar accretion disk, rotation-induced oblateness of…

We present new trigonometric parallaxes and proper motions of young stellar objects in the Taurus molecular cloud complex from observations collected with the Very Long Baseline Array as part of the Gould's Belt Distances Survey (GOBELINS).…

We present an analysis of the diffuse ultraviolet (UV) emission near the Taurus Molecular Cloud based on observations made by the Galaxy Evolution Explorer (GALEX). We used a Monte Carlo dust scattering model to show that about half of the…

Astrophysics of Galaxies · Physics 2017-03-15 Sathyanarayan , Jayant Murthy , K. Narayanankutty

The earliest stages of disk formation and dust evolution during the protostellar phase remain poorly constrained. Millimeter dust emission and its polarization provide key insights into the physical processes and material distribution at…

Solar and Stellar Astrophysics · Physics 2026-01-08 Asako Sato , Anaëlle Maury , Josep M. Girart , Andrea Bracco , Patrick Hennebelle , Qizhou Zhang , Valeska Valdivia

We conducted near-infrared (JHKs) imaging polarimetry toward the infrared dark cloud (IRDC) M17 SWex, including almost all of the IRDC filaments as well as its outskirts, with the polarimeter SIRPOL on the IRSF 1.4 m telescope. We revealed…

We present a new SMA survey of 47 Class II sources in the Taurus-Auriga region. Our observations made 12 independent samples of flux densities over the 200-400 GHz frequency range. We tightly constrained the spectral indices of most sources…

Earth and Planetary Astrophysics · Physics 2024-05-31 Chia-Ying Chung , Sean M. Andrews , Mark A. Gurwell , Melvyn Wright , Feng Long , Wenrui Xu , Hauyu Baobab Liu

We report on sensitive 21cm and 11cm polarization surveys of the Galactic plane carried out with the Effelsberg 100-m telescope at arcmin angular resolution and some related work. Highly structured polarized emission is seen along the…

Astrophysics · Physics 2014-10-13 W. Reich , E. Fuerst , P. Reich , R. Wielebinski , M. Wolleben

We present the first resolved observations of the 1.3mm polarized emission from the disk-like structure surrounding the high-mass protostar Cepheus A HW2. These CARMA data partially resolve the dust polarization, suggesting an uniform…

Solar and Stellar Astrophysics · Physics 2016-12-14 M. Fernández-López , I. W. Stephens , J. M. Girart , L. Looney , S. Curiel , D. Segura-Cox , C. Eswaraiah , S. -P. Lai

We discuss the interstellar absorption from many atomic and molecular species seen in high-resolution $HST$/STIS UV and high-S/N optical spectra of the moderately reddened B3-5~V star HD~62542. This remarkable sight line exhibits both very…

Astrophysics of Galaxies · Physics 2020-07-08 Daniel E. Welty , Paule Sonnentrucker , Theodore P. Snow , Donald G. York

The G14.225-0.506 infrared dark cloud (IRDC G14.2) displays a remarkable complex of parallel dense molecular filaments projected on the plane of the sky. Previous dust emission and molecular-line studies have speculated whether magnetic…

Astrophysics of Galaxies · Physics 2017-02-15 Fabio P. Santos , Gemma Busquet , Gabriel A. P. Franco , Josep M. Girart , Qizhou Zhang

Observations of the weak polarization of light from nearby stars, reported by Tinbergen (1982), are consistent with polarization by small, radius <0.14 microm, interstellar dust grains entrained in the magnetic wall of the heliosphere. The…

Astrophysics · Physics 2009-11-24 Priscilla C. Frisch

In this work, we examine the list of 63 candidates to T Tauri star (TTS) in the TAMC identified by their ultraviolet (UV) and infrared colours (IR) measured from data obtained by the Galaxy Evolution Explorer all sky survey (GALEX-AIS) and…

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