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We report a new search for 12CO(1-0) emission in high-velocity clouds (HVCs) performed with the IRAM 30 m telescope. This search was motivated by the recent detection of cold dust emission in the HVCs of Complex C. Despite a spatial…

Astrophysics · Physics 2009-11-13 M. Dessauges-Zavadsky , F. Combes , D. Pfenniger

We present here the first results from a high-resolution survey of the 12CO(J=1-0) emission across the northern part of the poorly-enriched Small Magellanic Cloud, made with the ATNF Mopra telescope. Three molecular complexes detected in…

Astrophysics of Galaxies · Physics 2015-05-18 E. Muller , J. Ott , A. Hughes , J. Pineda , T. Wong , N. Mizuno , A. Kawamura , Y. Mizuno , Y. Fukui , T. Onishi , M. Rubio

We discuss high-angular resolution observations of ammonia toward four candidate high-mass starless cores (HMSCs). The cores were identified by the Balloon-borne Large Aperture Submillimeter Telescope (BLAST) during its 2005 survey of the…

Astrophysics of Galaxies · Physics 2015-05-18 Luca Olmi , Esteban D. Araya , Edward L. Chapin , Andrew Gibb , Peter Hofner , Peter G. Martin , Carlos M. Poventud

The detection of circumstellar atomic hydrogen (\ion{H}{1}) via the 21\,cm line remains a persistent challenge in planetary nebula (PN) studies, primarily due to contamination from ubiquitous interstellar \ion{H}{1} 21\,cm emission. In this…

Astrophysics of Galaxies · Physics 2025-07-02 Xu-Jia Ouyang , Yong Zhang , Albert Zijlstra , Chuan-Peng Zhang , Jun-ichi Nakashima , Quentin A Parker , Xiao-Hu Li

We present data analysis and interpretation of an M1.4-class flare observed with the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) on April 30, 2002. This event, with its footpoints occulted by the solar limb, exhibits a…

Astrophysics · Physics 2009-03-04 Wei Liu , Vahe' Petrosian , Brian R. Dennis , Yan Wei Jiang

Wave theories of heating the chromosphere, corona, and solar wind due to photospheric fluctuations are strengthened by the existence of observed wave coherency up to the transition region (TR). The coherency of solar spicules' intensity…

Solar and Stellar Astrophysics · Physics 2017-02-08 Alireza Ahangarzadeh Maralani , Ehsan Tavabi , Ali Ajabshirizadeh

As of 2012 Jan 21, the Pan-STARRS 1 3\pi Survey has observed the 3/4 of the sky visible from Hawaii with a minimum of 2 and mean of 7.6 observations in 5 filters, g_p1, r_p1, i_p1, z_p1, y_p1. Now at the end of the second year of the…

The joint JAXA/NASA ASTRO-H mission is the sixth in a series of highly successful X-ray missions initiated by the Institute of Space and Astronautical Science (ISAS). ASTRO-H will investigate the physics of the high-energy universe by…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Tadayuki Takahashi , Kazuhisa Mitsuda , Richard Kelley , Felix Aharonian , Fumie Akimoto , Steve Allen , Naohisa Anabuki , Lorella Angelini , Keith Arnaud , Hisamitsu Awaki , Aya Bamba , Nobutaka Bando , Mark Bautz , Roger Blandford , Kevin Boyce , Greg Brown , Maria Chernyakova , Paolo Coppi , Elisa Costantini , Jean Cottam , John Crow , Jelle de Plaa , Cor de Vries , Jan-Willem den Herder , Michael DiPirro , Chris Done , Tadayasu Dotani , Ken Ebisawa , Teruaki Enoto , Yuichiro Ezoe , Andrew Fabian , Ryuichi Fujimoto , Yasushi Fukazawa , Stefan Funk , Akihiro Furuzawa , Massimiliano Galeazzi , Poshak Gandhi , Keith Gendreau , Kirk Gilmore , Yoshito Haba , Kenji Hamaguchi , Isamu Hatsukade , Kiyoshi Hayashida , Junko Hiraga , Kazuyuki Hirose , Ann Hornschemeier , John Hughes , Una Hwang , Ryo Iizuka , Kazunori Ishibashi , Manabu Ishida , Kosei Ishimura , Yoshitaka Ishisaki , Naoki Isobe , Masayuki Ito , Naoko Iwata , Jelle Kaastra , Timothy Kallman , Tuneyoshi Kamae , Hideaki Katagiri , Jun Kataoka , Satoru Katsuda , Madoka Kawaharada , Nobuyuki Kawai , Shigeo Kawasaki , Dmitry Khangaluyan , Caroline Kilbourne , Kenzo Kinugasa , Shunji Kitamoto , Tetsu Kitayama , Takayoshi Kohmura , Motohide Kokubun , Tatsuro Kosaka , Taro Kotani , Katsuji Koyama , Aya Kubota , Hideyo Kunieda , Philippe Laurent , Francois Lebrun , Olivier Limousin , Michael Loewenstein , Knox Long , Grzegorz Madejski , Yoshitomo Maeda , Kazuo Makishima , Maxim Markevitch , Hironori Matsumoto , Kyoko Matsushita , Dan McCammon , Jon Miller , Shin Mineshige , Kenji Minesugi , Takuya Miyazawa , Tsunefumi Mizuno , Koji Mori , Hideyuki Mori , Koji Mukai , Hiroshi Murakami , Toshio Murakami , Richard Mushotzky , Yujin Nakagawa , Takao Nakagawa , Hiroshi Nakajima , Takeshi Nakamori , Kazuhiro Nakazawa , Yoshiharu Namba , Masaharu Nomachi , Steve O' Dell , Hiroyuki Ogawa , Mina Ogawa , Keiji Ogi , Takaya Ohashi , Masanori Ohno , Masayuki Ohta , Takashi Okajima , Naomi Ota , Masanobu Ozaki , Frits Paerels , Stéphane Paltani , Arvind Parmer , Robert Petre , Martin Pohl , Scott Porter , Brian Ramsey , Christopher Reynolds , Shin-ichiro Sakai , Rita Sambruna , Goro Sato , Yoichi Sato , Peter Serlemitsos , Maki Shida , Takanobu Shimada , Keisuke Shinozaki , Peter Shirron , Randall Smith , Gary Sneiderman , Yang Soong , Lukasz Stawarz , Hiroyuki Sugita , Andrew Szymkowiak , Hiroyasu Tajima , Hiromitsu Takahashi , Yoh Takei , Toru Tamagawa , Takayuki Tamura , Keisuke Tamura , Takaaki Tanaka , Yasuo Tanaka , Yasuyuki Tanaka , Makoto Tashiro , Yuzuru Tawara , Yukikatsu Terada , Yuichi Terashima , Francesco Tombesi , Hiroshi Tomida , Miyako Tozuka , Yoko Tsuboi , Masahiro Tsujimoto , Hiroshi Tsunemi , Takeshi Tsuru , Hiroyuki Uchida , Yasunobu Uchiyama , Hideki Uchiyama , Yoshihiro Ueda , Shinichiro Uno , Meg Urry , Shin Watanabe , Nicholas White , Takahiro Yamada , Hiroya Yamaguchi , Kazutaka Yamaoka , Noriko Yamasaki , Makoto Yamauchi , Shigeo Yamauchi , Yoichi Yatsu , Daisuke Yonetoku , Atsumasa Yoshida

We measured the height of the chromospheric network in the 1700, 1600, and 304 A wavelength bands of the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) from the shift of features on the disk with respect to…

Solar and Stellar Astrophysics · Physics 2020-01-08 C. E. Alissandrakis

We report on two types of Raman laser sources emitting in the near and middle ultraviolet spectral ranges by the use of a solarization-resilient gas-filled inhibited-coupling (IC) hollow-core photonic-crystal fiber (HCPCF) with record low…

Dust emission at submillimeter wavelengths can be used to reliably trace the basic properties of molecular clouds. Early results from a recent Submillimeter Array (SMA) survey of the Andromeda Galaxy (M31) include the first detections of…

Astrophysics of Galaxies · Physics 2026-02-11 Chloe Bosomworth , Jan Forbrich , Charles J. Lada , Glen Petitpas

A hybrid machine learning model which combines a shallow convolutional neural network and a long short-term memory network (CNN--LSTM), has been developed to automate the detection of kink oscillations in coronal plasma loops within large…

Solar and Stellar Astrophysics · Physics 2025-09-19 Sergey A. Belov , Yu Zhong , Dmitrii Y. Kolotkov , Valery M. Nakariakov

Type-I solar noise storms are perhaps the most commonly observed active radio emissions from the Sun at meter-wavelengths. Noise storms have a long-lived and wideband continuum background with superposed islands of much brighter narrowband…

Solar and Stellar Astrophysics · Physics 2024-11-22 Surajit Mondal , Devojyoti Kansabanik , Divya Oberoi , Soham Dey

This is the second of a series of three papers that present a methodology with the aim of creating a set of maps of the coronal density over a period of many years. This paper describes a method for reconstructing the coronal electron…

Solar and Stellar Astrophysics · Physics 2019-08-22 Huw Morgan

For the first time, the OMC-2/3 region was mapped in C2H(1-0), HC3N(10-9) and HNC(1-0) lines. In general, the emissions from all the three molecular species reveal an extended filamentary structure. The distribution of C2H cores almost…

Solar and Stellar Astrophysics · Physics 2015-05-27 Qiang Liu , Ji Yang , Yan Sun , Ye Xu

Integrated Sensing And Communication (ISAC ) systems are expected to perform accurate radar sensing while having minimal impact on communication. Ideally, sensing should only reuse communication resources, especially for spectrum which is…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Jacopo Pegoraro , Jesus O. Lacruz , Michele Rossi , Joerg Widmer

We continue the investigation of a CME-driven coronal dimming from December 14 2006 using unique high resolution imaging of the chromosphere and corona from the Hinode spacecraft. Over the course of the dimming event we observe the dynamic…

Solar and Stellar Astrophysics · Physics 2009-01-20 Scott W. McIntosh , Joan Burkepile , Robert J. Leamon

In this paper, we report a detailed study with a variety of data from optical, near-infrared, X-ray, and radio telescopes of the nuclear region of the galaxy NGC 613 with the aim of understanding its complexity. We detected an extended…

Astrophysics of Galaxies · Physics 2020-01-22 Patrícia da Silva , Roberto B. Menezes , João E. Steiner

ALMA continuum measurements of the local ULIRG IRAS 07251-0248 E at 667$\mu$m reveal an extremely compact (R < 27 pc) and bright ($T_B$ >200 K) nucleus with an absorbing foreground envelope and a surrounding (R ~ 75 pc) disk or torus seen…

Building on the successful development of the 10 $\mu m$ HgCdTe detector arrays for the proposed NEOCam mission, the University of Rochester Infrared Detector team and Teledyne Imaging Systems are working together to extend the cutoff…

Instrumentation and Methods for Astrophysics · Physics 2019-09-19 Mario S. Cabrera , Craig W. McMurtry , Meghan L. Dorn , William J. Forrest , Judith L. Pipher , Donald Lee