Revisiting the distance, environment, and supernova properties of SNR G57. 2+ 0.8 that hosts SGR 1935+ 2154
We have performed a multiwavelength study of supernova remnant (SNR) G57. 2+ 0.8 and
its environment. The SNR hosts the magnetar SGR 1935+ 2154, which emitted an extremely …
its environment. The SNR hosts the magnetar SGR 1935+ 2154, which emitted an extremely …
Ultra-low-power cryogenic SiGe low-noise amplifiers: Theory and demonstration
S Montazeri, WT Wong, AH Coskun… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Low-power cryogenic low-noise amplifiers (LNAs) are desired to ease the cooling
requirements of ultra-sensitive cryogenically cooled instrumentation. In this paper, the …
requirements of ultra-sensitive cryogenically cooled instrumentation. In this paper, the …
Development of the ALMA band-3 and band-6 sideband-separating SIS mixers
As the Atacama Large Millimeter/submillimeter Array (ALMA) nears completion, 73 dual-
polarization receivers have been delivered for each of Bands 3 (84-116 GHz) and 6 (211 …
polarization receivers have been delivered for each of Bands 3 (84-116 GHz) and 6 (211 …
Extended CO (1–0) survey and ammonia measurements towards two bubble regions in W5-Feedback on molecular gas and clumps
H Shen, J Esimbek, C Henkel, Y Xu, J Zhou… - Astronomy & …, 2024 - aanda.org
The feedback effect of massive stars can either accelerate or inhibit star formation activity
within molecular clouds. Studying the morphology of molecular clouds near W5 offers an …
within molecular clouds. Studying the morphology of molecular clouds near W5 offers an …
Understanding the Kinetic Energy Deposition within Molecular Clouds
L Yuan, J Yang, F Du, Y Su, S Zhang… - The Astrophysical …, 2023 - iopscience.iop.org
According to the structures traced by 13 CO spectral lines within 12 CO molecular clouds
(MCs), we investigate the contributions of their internal gas motions and relative motions to …
(MCs), we investigate the contributions of their internal gas motions and relative motions to …
Recrystallization behavior of a pure Cu connection interface with ultrasonic welding
Z Su, Z Zhu, Y Zhang, H Zhang, Q Xiao - Metals, 2020 - mdpi.com
Three-dimensional metal waveguide components are key components in the next
generation of radio telescopes. Ultrasonic additive manufacturing technology combining …
generation of radio telescopes. Ultrasonic additive manufacturing technology combining …
Magnetically Aligned Striations in the L914 Filamentary Cloud
L Sun, X Chen, M Fang, S Zhang, Y Gong… - The Astronomical …, 2024 - iopscience.iop.org
Abstract We present CO (J= 1–0) multiline observations toward the L914 dark cloud in the
vicinity of the Cygnus X region, using the 13.7 m millimeter telescope of the Purple Mountain …
vicinity of the Cygnus X region, using the 13.7 m millimeter telescope of the Purple Mountain …
Ammonia observations of Planck cold cores
D Berdikhan, J Esimbek, C Henkel, J Zhou… - Astronomy & …, 2024 - aanda.org
Single-pointing observations of NH 3 (1, 1) and (2, 2) were conducted toward 672 Planck
Early Cold Cores (ECCs) using the Nanshan 26-m radio telescope. Out of these sources, a …
Early Cold Cores (ECCs) using the Nanshan 26-m radio telescope. Out of these sources, a …
HI-H2 transition: Exploring the role of the magnetic field-A case study toward the Ursa Major cirrus
Context. Atomic gas in the diffuse interstellar medium (ISM) is organized in filamentary
structures. These structures usually host cold and dense molecular clumps. The Galactic …
structures. These structures usually host cold and dense molecular clumps. The Galactic …
Understanding the relative importance of magnetic field, gravity, and turbulence in star formation at the hub of the giant molecular cloud G148. 24+ 00.41
The relative importance of magnetic fields, turbulence, and gravity in the early phases of star
formation is still not well understood. We report the first high-resolution dust polarization …
formation is still not well understood. We report the first high-resolution dust polarization …