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We present a complete survey of current star formation in the Perseus molecular cloud, made at 850 and 450 micron with SCUBA at the JCMT. Covering 3 deg^2, this submillimetre continuum survey for protostellar activity is second in size only…

Astrophysics · Physics 2007-05-23 J. Hatchell , J. S. Richer , G. A. Fuller , C. J. Qualtrough , E. F. Ladd , C. J. Chandler

The infrared spectral energy distributions (SEDs) of main-sequence galaxies in the early universe (z > 4) is currently unconstrained as infrared continuum observations are time consuming and not feasible for large samples. We present…

An analytical function for the spectrum of spinning dust emission is presented. It is derived through the application of careful approximations, with each step tested against numerical calculations. This approach ensures accuracy while…

Astrophysics of Galaxies · Physics 2015-06-18 Matthew Stevenson

Extending the earlier measurements reported in Hitomi collaboration (2016, Nature, 535, 117), we examine the atmospheric gas motions within the central 100~kpc of the Perseus cluster using observations obtained with the Hitomi satellite.…

High Energy Astrophysical Phenomena · Physics 2018-04-25 Hitomi Collaboration , Felix Aharonian , Hiroki Akamatsu , Fumie Akimoto , Steven W. Allen , Lorella Angelini , Marc Audard , Hisamitsu Awaki , Magnus Axelsson , Aya Bamba , Marshall W. Bautz , Roger Blandford , Laura W. Brenneman , Gregory V. Brown , Esra Bulbul , Edward M. Cackett , Rebecca E. A. Canning , Maria Chernyakova , Meng P. Chiao , Paolo S. Coppi , Elisa Costantini , Jelle de Plaa , Cor P. de Vries , Jan-Willem den Herder , Chris Done , Tadayasu Dotani , Ken Ebisawa , Megan E. Eckart , Teruaki Enoto , Yuichiro Ezoe , Andrew C. Fabian , Carlo Ferrigno , Adam R. Foster , Ryuichi Fujimoto , Yasushi Fukazawa , Akihiro Furuzawa , Massimiliano Galeazzi , Luigi C. Gallo , Poshak Gandhi , Margherita Giustini , Andrea Goldwurm , Liyi Gu , Matteo Guainazzi , Yoshito Haba , Kouichi Hagino , Kenji Hamaguchi , Ilana M. Harrus , Isamu Hatsukade , Katsuhiro Hayashi , Takayuki Hayashi , Tasuku Hayashi , Kiyoshi Hayashida , Junko S. Hiraga , Ann Hornschemeier , Akio Hoshino , John P. Hughes , Yuto Ichinohe , Ryo Iizuka , Hajime Inoue , Shota Inoue , Yoshiyuki Inoue , Manabu Ishida , Kumi Ishikawa , Yoshitaka Ishisaki , Masachika Iwai , Jelle Kaastra , Tim Kallman , Tsuneyoshi Kamae , Jun Kataoka , Satoru Katsuda , Nobuyuki Kawai , Richard L. Kelley , Caroline A. Kilbourne , Takao Kitaguchi , Shunji Kitamoto , Tetsu Kitayama , Takayoshi Kohmura , Motohide Kokubun , Katsuji Koyama , Shu Koyama , Peter Kretschmar , Hans A. Krimm , Aya Kubota , Hideyo Kunieda , Philippe Laurent , Shiu-Hang Lee , Maurice A. Leutenegger , Olivier Limousin , Michael Loewenstein , Knox S. Long , David Lumb , Greg Madejski , Yoshitomo Maeda , Daniel Maier , Kazuo Makishima , Maxim Markevitch , Hironori Matsumoto , Kyoko Matsushita , Dan McCammon , Brian R. McNamara , Missagh Mehdipour , Eric D. Miller , Jon M. Miller , Shin Mineshige , Kazuhisa Mitsuda , Ikuyuki Mitsuishi , Takuya Miyazawa , Tsunefumi Mizuno , Hideyuki Mori , Koji Mori , Koji Mukai , Hiroshi Murakami , Richard F. Mushotzky , Takao Nakagawa , Hiroshi Nakajima , Takeshi Nakamori , Shinya Nakashima , Kazuhiro Nakazawa , Kumiko K. Nobukawa , Masayoshi Nobukawa , Hirofumi Noda , Hirokazu Odaka , Takaya Ohashi , Masanori Ohno , Takashi Okajima , Naomi Ota , Masanobu Ozaki , Frits Paerels , Stéphane Paltani , Robert Petre , Ciro Pinto , Frederick S. Porter , Katja Pottschmidt , Christopher S. Reynolds , Samar Safi-Harb , Shinya Saito , Kazuhiro Sakai , Toru Sasaki , Goro Sato , Kosuke Sato , Rie Sato , Makoto Sawada , Norbert Schartel , Peter J. Serlemtsos , Hiromi Seta , Megumi Shidatsu , Aurora Simionescu , Randall K. Smith , Yang Soong , Łukasz Stawarz , Yasuharu Sugawara , Satoshi Sugita , Andrew Szymkowiak , Hiroyasu Tajima , Hiromitsu Takahashi , Tadayuki Takahashi , Shin'ichiro Takeda , Yoh Takei , Toru Tamagawa , Takayuki Tamura , Keigo Tanaka , Takaaki Tanaka , Yasuo Tanaka , Yasuyuki T. Tanaka , Makoto S. Tashiro , Yuzuru Tawara , Yukikatsu Terada , Yuichi Terashima , Francesco Tombesi , Hiroshi Tomida , Yohko Tsuboi , Masahiro Tsujimoto , Hiroshi Tsunemi , Takeshi Go Tsuru , Hiroyuki Uchida , Hideki Uchiyama , Yasunobu Uchiyama , Shutaro Ueda , Yoshihiro Ueda , Shin'ichiro Uno , C. Megan Urry , Eugenio Ursino , Qian H. S. Wang , Shin Watanabe , Norbert Werner , Dan R. Wilkins , Brian J. Williams , Shinya Yamada , Hiroya Yamaguchi , Kazutaka Yamaoka , Noriko Y. Yamasaki , Makoto Yamauchi , Shigeo Yamauchi , Tahir Yaqoob , Yoichi Yatsu , Daisuke Yonetoku , Irina Zhuravleva , Abderahmen Zoghbi

The external environments surrounding molecular clouds vary widely across galaxies such as the Milky Way, and statistical samples of clouds are required to understand them. We present the Perseus Arm Molecular Survey (PAMS), a James Clerk…

The physical properties of galactic cirrus emission are not well characterized. BOOMERanG is a balloon-borne experiment designed to study the cosmic microwave background at high angular resolution in the millimeter range. The BOOMERanG 245…

Centimeter continuum emission from protostars offers insight into the innermost part of the outflows, as shock-ionized gas produces free-free emission. We observed a complete population of Class 0 and I protostars in the Perseus molecular…

We present submillimetre observations of the J = 3-2 rotational transition of 12CO, 13CO and C18O across over 600 sq arcmin of the Perseus molecular cloud, undertaken with HARP, a new array spectrograph on the James Clerk Maxwell Telescope.…

Astrophysics of Galaxies · Physics 2015-05-14 Emily I. Curtis , John S. Richer , Jane V. Buckle

We report on mid-infrared imaging observations of the anomalous X-ray pulsars (AXPs) 1E 1048.1-5937, 1RXS J170849-400910, and XTE J1810-197. The observations were carried out at 4.5 and 8.0 microns with the Infrared Array Camera and at 24…

Astrophysics · Physics 2011-02-11 Z. Wang , V. M. Kaspi , S. J. U. Higdon

The Arcminute Microkelvin Imager (AMI) carried out a blind survey for galaxy clusters via their Sunyaev-Zel'dovich effect decrements between 2008 and 2011. The first detection, known as AMI-CL J0300+2613, has been reobserved with AMI…

We present 870 $\mu$m ALMA dust polarization observations of 10 young Class 0/I protostars in the Perseus Molecular Cloud. At $\sim$ 0.35$"$ (80 au) resolution, all of our sources show some degree of polarization, with most (9/10) showing…

Solar and Stellar Astrophysics · Physics 2018-03-28 Erin G. Cox , Robert J. Harris , Leslie W. Looney , Zhi-Yun Li , Haifeng Yang , John J. Tobin , Ian Stephens

We investigate the nature of the diffuse Galactic emission in the Wilkinson Microwave Anisotropy Probe (WMAP) temperature anisotropy data. Substantial dust-correlated emission is observed at all WMAP frequencies, far exceeding the expected…

Astrophysics · Physics 2009-07-09 Douglas P. Finkbeiner

We report new cm-wave measurements at five frequencies between 15 and 18GHz of the continuum emission from the reportedly anomalous "region 4" of the nearby galaxy NGC6946. We find that the emission in this frequency range is significantly…

We present mid-IR imaging observations of a high Galactic latitude cirrus obtained with the ISO camera ISOCAM at 6" angular resolution. The observations were done with two filters LW2 (5-8.5 microns) and LW3 (12-18 microns) that measure…

Astrophysics · Physics 2009-11-07 M. -A. Miville-Deschenes , F. Boulanger , G. Joncas , E. Falgarone

With the increasing number of experiments dedicated to the observation of the Cosmic Microwave Background, interest on the detailed properties of the foreground Galactic emission has risen. In particular the focus is shifting towards…

Astrophysics of Galaxies · Physics 2009-05-20 Marc-Antoine Miville-Deschenes

We investigate the properties of interstellar dust in the Galactic center region toward the Arches and Quintuplet clusters. With the Fourier Transform Spectrometer of the AKARI/Far-Infrared Surveyor, we performed the far-infrared (60 - 140…

Astrophysics of Galaxies · Physics 2015-06-05 H. Kaneda , A. Yasuda , T. Onaka , M. Kawada , N. Murakami , T. Nakagawa , Y. Okada , H. Takahashi

Anomalous microwave emission at 20-40 GHz has been detected across our Galactic sky. It is highly correlated with thermal dust emission and hence it is thought to be due to spinning dust grains. Alternatively, this emission could be due to…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-09 M. W. Peel , C. Dickinson , R. D. Davies , A. J. Banday , T. R. Jaffe , J. L. Jonas

We have created a map of the large-scale infrared surface brightness in excess of that associated with the atomic interstellar medium, using region-by-region correlations between the far-infrared and 21-cm line surface brightness. Our study…

Astrophysics · Physics 2009-10-30 William T. Reach , William F. Wall , Nils Odegard

We present results from microwave background observations at the Owens Valley Radio Observatory. These observations, at 14.5 and 32 GHz, are designed to detect intrinsic anisotropy on scales of 7'. After point source removal, we detect…

Astrophysics · Physics 2011-09-30 E. M. Leitch , A. C. S. Readhead , T. J. Pearson , S. T. Myers

The Very Small Array (VSA) has been used to survey the l = 27 to 46 deg, |b|<4 deg region of the Galactic plane at a resolution of 13 arcmin. The survey consists of 44 pointings of the VSA, each with a r.m.s. sensitivity of ~90 mJy/beam.…

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