Zobrazeno 1 - 10
of 7 803
pro vyhledávání: '"VLA-OBSERVATIONS"'
The disk mass and substructure in young stellar objects suggest that planet formation may start at the protostellar stage through the growth of dust grains. To accurately estimate the grain size at the protostellar stage, we have observed the Class I
Externí odkaz:
http://arxiv.org/abs/2411.13044
Observations with FAST recently detected HI 21-cm emission near M94, revealing an intriguing object, Cloud-9, without an optical counterpart. Subsequent analysis suggests Cloud-9 is consistent with a gas-rich ($M_{\rm HI} \approx 10^{6} \ M_{\odot}$)
Externí odkaz:
http://arxiv.org/abs/2406.18643
Autor:
Zhong, Yuxing, Inoue, Akio K., Sugahara, Yuma, Morokuma-Matsui, Kana, Komugi, Shinya, Kaneko, Hiroyuki, Fudamoto, Yoshinobu
Radio-loud active galactic nuclei (RLAGNs) are rare among AGN populations. Lacking high-resolution and high-frequency observations, their structure and evolution stages are not well understood at high redshifts. In this work, we report ALMA 237 GHz c
Externí odkaz:
http://arxiv.org/abs/2305.03979
Autor:
Akins, Alex, Hofstadter, Mark, Butler, Bryan, Friedson, A. James, Molter, Edward, Parisi, Marzia, de Pater, Imke
Publikováno v:
Geophysical Research Letters, 50, 10 (2023)
We present observations of Uranus in northern spring with the VLA from 0.7 cm to 5 cm. These observations reveal details in thermal emission from Uranus' north pole at 10s of bars, including a dark collar near 80N and a bright spot at the polar cente
Externí odkaz:
http://arxiv.org/abs/2305.15521
We report VLA B-configuration observations of the HI 21 cm line on the close disk galaxy pair NGC 5595 and NGC 5597. At the angular resolution of the observations, $\sim7.1'' \times 4.2''$, while most of the HI 21 cm in NGC 5595 and in NGC 5597 has t
Externí odkaz:
http://arxiv.org/abs/2304.06272
The vertical distribution of trace gases in planetary atmospheres can be obtained with observations of the atmosphere's thermal emission. Inverting radio observations to recover the atmospheric structure, however, is non-trivial, and the solutions ar
Externí odkaz:
http://arxiv.org/abs/2209.03513
Cloud-scale Radio Surveys of Star Formation and Feedback in Triangulum Galaxy M 33: VLA Observations
Autor:
Tabatabaei, F. S., Cotton, W., Schinnerer, E., Beck, R., Brunthaler, A., Menten, K. M., Braine, J., Corbelli, E., Kramer, C., Beckman, J. E., Knapen, J. H., Paladino, R., Koch, E., Farina, A. Camps
Studying the interplay between massive star formation and the interstellar medium (ISM) is paramount to understand the evolution of galaxies. Radio continuum (RC) emission serves as an extinction-free tracer of both massive star formation and the ene
Externí odkaz:
http://arxiv.org/abs/2209.01389
Autor:
Barrett, Paul E.
AE Aqr was until recently the only known magnetic cataclysmic variable (MCV) containing a rapidly spinning (33.08 s) white dwarf (WD). Its radio emission is believed to be a superposition of synchrotron emitting plasmoids, because it has a positive s
Externí odkaz:
http://arxiv.org/abs/2111.14949
We have observed a sample of 9 Extended Green Objects (EGOs) at 1.3 and 5 cm with the VLA with sub-arcsecond resolution and ~7-14 uJy/beam sensitivities in order to characterize centimeter continuum emission as it first appears in these massive proto
Externí odkaz:
http://arxiv.org/abs/2110.04270
Autor:
Paduano, Alessandro, Bahramian, Arash, Miller-Jones, James C. A., Kawka, Adela, Strader, Jay, Chomiuk, Laura, Heinke, Craig O., Maccarone, Thomas J., Britt, Christopher T., Plotkin, Richard M., Shaw, Aarran W., Shishkovsky, Laura, Tremou, Evangelia, Tudor, Vlad, Sivakoff, Gregory R.
Transitional millisecond pulsars are millisecond pulsars that switch between a rotation-powered millisecond pulsar state and an accretion-powered X-ray binary state, and are thought to be an evolutionary stage between neutron star low-mass X-ray bina
Externí odkaz:
http://arxiv.org/abs/2107.02344