Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Machacek, M. E."'
Autor:
Wood, R. A., Jones, C., Machacek, M. E., Forman, W. R., Bogdan, A., Andrade-Santos, F., Kraft, R. P., Paggi, A., Roediger, E.
Publikováno v:
2017 ApJ, 847, 79
We present Chandra observations of hot gas structures, characteristic of gas stripping during infall, in the Virgo cluster elliptical galaxy M60 (NGC4649) located $1$ Mpc east of M87. $0.5-2$ keV Chandra X-ray images show a sharp leading edge in the
Externí odkaz:
http://arxiv.org/abs/1703.05883
We present an analysis of the complex gas hydrodynamics in the X-ray luminous galaxy cluster RXJ1347.5-1145 caught in the act of merging with a subcluster to its southeast using a combined $186$ ks Chandra exposure, $2.5$ times greater than previous
Externí odkaz:
http://arxiv.org/abs/1607.04674
Autor:
Roediger, E., Kraft, R. P., Machacek, M. E., Forman, W. R., Nulsen, P. E. J., Jones, C., Murray, S. S.
We present results from two \sim30 ks Chandra observations of the hot atmospheres of the merging galaxy groups centered around NGC 7618 and UGC 12491. Our images show the presence of arc-like sloshing cold fronts wrapped around each group center and
Externí odkaz:
http://arxiv.org/abs/1206.2355
Autor:
Roediger, E., Lovisari, L., Dupke, R., Ghizzardi, S., Brüggen, M., Kraft, R. P., Machacek, M. E.
We investigate the origin and nature of the multiple sloshing cold fronts in the core of Abell 496 by direct comparison between observations and dedicated hydrodynamical simulations. Our simulations model a minor merger with a 4{\times}10^13M{\circ}
Externí odkaz:
http://arxiv.org/abs/1112.1407
Autor:
Machacek, M. E., Jerius, D., Kraft, R. P., Forman, W. R., Jones, C., Randall, S., Giancintucci, S., Sun, M.
We use a combined 120 ks Chandra exposure to analyze X-ray edges produced by non-hydrostatic gas motions (sloshing) from galaxy collisions, and cavities formed by AGN activity. Evidence for gas sloshing is seen in the spiral morphology and multiple c
Externí odkaz:
http://arxiv.org/abs/1108.5229
We use Chandra X-ray observations of the hot gas in and around NGC6868 and NGC6861 in the Telescopium galaxy group (AS0851) to probe the interaction history between these galaxies. Mean surface brightness profiles for NGC6868 and NGC6861 are each wel
Externí odkaz:
http://arxiv.org/abs/1001.2567
Akademický článek
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We present results from Chandra X-ray and Spitzer mid-infrared observations of the interacting galaxy pair NGC6872/IC4970 in the Pavo galaxy group and show that the smaller companion galaxy IC4970 hosts a highly obscured active galactic nucleus (AGN)
Externí odkaz:
http://arxiv.org/abs/0710.5183
Publikováno v:
Astrophys.J.664:804-819,2007
We present results from a 49.3 ks Chandra X-ray observation of the strongly interacting dumbbell galaxies NGC4782(3C278) and NGC4783 that constrain the kinematics of the interaction and models for bending the radio jets associated with NGC4782. The g
Externí odkaz:
http://arxiv.org/abs/astro-ph/0610904
Publikováno v:
Astrophys.J. 567 (2002) 188
We present results from two observations (combined exposure of ~17 ks) of galaxy cluster A2218 using the Advanced CCD Imaging Spectrometer on board the Chandra X-ray Observatory that were taken on October 19, 1999. Using a Raymond-Smith single temper
Externí odkaz:
http://arxiv.org/abs/astro-ph/0109263