Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Robeson M"'
Publikováno v:
Astrophys.J.695:1477-1494,2009
We present the first large-scale mosaic performed with the Submillimeter Array (SMA) in the Galactic center. We have produced a 25-pointing mosaic, covering a ~2' x 2' area around Sgr A*. We have detected emission from two high-density molecular trac
Externí odkaz:
http://arxiv.org/abs/0903.0886
Autor:
Lee, Sungho, Pak, Soojong, Choi, Minho, Davis, Christopher J., Geballe, T. R., Herrnstein, Robeson M., Ho, Paul T. P., Minh, Y. C., Lee, Sang-Gak
We have obtained velocity-resolved spectra of the H_2 v=1-0 S(1) (lambda = 2.1218 micron) emission line at 2 arcsec angular resolution (or 0.08 pc spatial resolution) in four regions within the central 10 pc of the Galaxy where the supernova-like rem
Externí odkaz:
http://arxiv.org/abs/0710.0979
Publikováno v:
Astrophys.J.646:919-928,2006
We present the first interferometric detection of extragalactic NH_3(6,6) emission in the nearby galaxy IC 342 made using the VLA. The data have a resolution of 7.8''x 5.0'' and trace hot (T ~ 412 K) and dense (> 10^{4} cm^{-3}) molecular gas. We hav
Externí odkaz:
http://arxiv.org/abs/astro-ph/0605671
Publikováno v:
Astrophys.J.647:1159-1169,2006
Using the NH\3 (6,6) transition, which samples dense ($\sim 10^{5}$) molecular gas with an energy above ground of 412 K, we find hot gas at high velocities (--142 to --210 km s$^{-1}$) associated with the central 2 pc of the Galactic center. This mat
Externí odkaz:
http://arxiv.org/abs/astro-ph/0605280
Autor:
Bower, Geoffrey C., Falcke, Heino, Herrnstein, Robeson M., Zhao, Jun-Hui, Goss, W. M., Backer, Donald C.
We have detected the intrinsic size of Sagittarius A*, the Galactic Center radio source associated with a supermassive black hole, showing that the short-wavelength radio emission arises from very near the event horizon of the black hole. Radio obser
Externí odkaz:
http://arxiv.org/abs/astro-ph/0404001
Autor:
Herrnstein, Robeson M., Ho, Paul T. P.
Publikováno v:
Astron.Nachr. 324 (2003) 1-7
We present results from observations of NH_3(1,1), (2,2), (3,3), and (6,6) with the Very Large Array. The data sample the inner 10 pc (4') of the Galaxy and have a velocity coverage of -140 to +130 km/s. The velocity integrated NH_3(3,3) image shows
Externí odkaz:
http://arxiv.org/abs/astro-ph/0303134
Autor:
Lee, Sungho, Pak, Soojong, Davis, Christopher J., Herrnstein, Robeson M., Geballe, T. R., Ho, Paul T. P., Wheeler, J. Craig
Publikováno v:
Mon.Not.Roy.Astron.Soc. 341 (2003) 509
We have detected the v=1-0 S(1) (2.1218 um) and v=2-1 S(1) (2.2477 um) lines of H_2 in the Galactic centre, in a 90 x 27 arcsec region between the northeastern boundary of the non-thermal source, Sgr A East, and the giant molecular cloud (GMC) M-0.02
Externí odkaz:
http://arxiv.org/abs/astro-ph/0209619
Autor:
Bower, Geoffrey C., Falcke, Heino, Herrnstein, Robeson M., Zhao, Jun-Hui, Goss, W. M., Backer, Donald C.
Publikováno v:
Science, 2004 Apr . 304(5671), 704-708.
Externí odkaz:
https://www.jstor.org/stable/3836818
Akademický článek
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Akademický článek
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