THE GALACTIC CENTER CLOUD G2 AND ITS GAS STREAMER

@article{Pfuhl2014THEGC,
  title={THE GALACTIC CENTER CLOUD G2 AND ITS GAS STREAMER},
  author={Oliver Pfuhl and Stefan Gillessen and Frank Eisenhauer and Reinhard Genzel and Philipp M. Plewa and T. Ott and Alessandro Ballone and M Schartmann and Andreas Burkert and Tobias K. Fritz and Re’em Sari and Elad Steinberg and Ann-Marie Madigan},
  journal={The Astrophysical Journal},
  year={2014},
  volume={798},
  pages={111}
}
We present new, deep near-infrared SINFONI @ VLT integral field spectroscopy of the gas cloud G2 in the Galactic Center, from late 2013 August, 2014 April, and 2014 July. G2 is visible in recombination line emission. The spatially resolved kinematic data track the ongoing tidal disruption. The cloud reached minimum distance to the MBH of 1950 Schwarzschild radii. As expected for an observation near the pericenter passage, roughly half of the gas in 2014 is found at the redshifted, pre… Expand
The Post-pericenter Evolution of the Galactic Center Source G2
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Using gas clouds to probe the accretion flow around Sgr A*: G2's delayed pericentre passage
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Detection of Galactic Center source G2 at 3.8 μm during periapse passage
We report new observations of the Galactic Center source G2 from the W. M. Keck Observatory. G2 is a dusty red object associated with gas that shows tidal interactions as it nears closest approachExpand
A population of dust-enshrouded objects orbiting the Galactic black hole
TLDR
Observations of four additional G objects, all lying within 0.04 parsecs of the black hole and forming a class that is probably unique to this environment are reported. Expand
Probing the gas density in our Galactic Centre: moving mesh simulations of G2
The G2 object has recently passed its pericenter passage in our Galactic Center. While the $Br_\gamma$ emission shows clear signs of tidal interaction, the change in the observed luminosity is onlyExpand
No asymmetric outflows from Sagittarius A* during the pericenter passage of the gas cloud G2
The gas cloud G2 falling toward Sagittarius A* (Sgr A*), the supermassive black hole at the center of the Milky Way, is supposed to provide valuable information on the physics of accretion flows andExpand
Going with the flow: using gas clouds to probe the accretion flow feeding Sgr A*
The massive black hole in our galactic center, Sgr A*, accretes only a small fraction of the gas available at its Bondi radius. The physical processes determining this accretion rate remain unknown,Expand
Clump formation through colliding stellar winds in the Galactic Centre
The gas cloud G2 is currently being tidally disrupted by the Galactic Centre supermassive black hole, Sgr A*. The region around the black hole is populated by similar to 30 Wolf-Rayet stars, whichExpand
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