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Scientists image magnetic fields at edge of M87's black hole（图）
Scientists mage magnetic fields edge M87 black hole
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2021/3/26
Event Horizon Telescope scientists, who produced the first image of a black hole, have revealed a new view of the massive object at the center of the M87 galaxy, showing how it looks in polarized...
Gargantua in the Mist:A Precocious Black Hole Behemoth at the Edge of Cosmic Dawn（图）
Gargantua in the Mist Precocious Black Hole Behemoth Edge of Cosmic Dawn
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2017/12/19
Supermassive black holes lurk at the centers of many galaxies. While some — like the black hole at the center of our own Galaxy — live quiet lives, occasionally snacking on a star or two, others feed ...
Title: Chandra Observations of the Galactic Center and Nearby Edge-on Galaxies
Galactic Center Nearby Edge-on Galaxies
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2014/12/26
I review our recent Chandra surveys of the center region of the Milky Way and other nearby edge-on galaxies. Our Galactic center survey provides an unprecedented high-resolution, broad-band X-ray pano...
Chandra Observation of the Edge-on Galaxy NGC 3556 (M108): Violent Galactic Disk-Halo Interaction Revealed
NGC 3556 spiral
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2014/12/26
We present a 60 ks Chandra ACIS-S observation of the isolated edge-on spiral galaxy NGC 3556, together with a multiwavelength analysis of various discrete X-ray sources and diffuse X-ray features. Amo...
Probing O VI Emission in the Halos of Edge-on Spiral Galaxies
NGC 4631 NGC 891
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2014/12/24
We have used the Far Ultraviolet Spectroscopic Explorer to search for O VI λλ1031.926, 1037.617 emission in the halos of the edge-on spiral galaxies NGC 4631 and NGC 891. In NGC 4631, we detected O VI...
An XMM–Newton observation of the massive edge-on Sb galaxy NGC 2613
NGC 2613 galaxies
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2014/12/23
We present an XMM–Newton observation of the massive edge-on Sb galaxy NGC 2613. We discover that this galaxy contains a deeply embedded active nucleus with a 0.3–10 keV luminosity of 3.3 × 1040 erg s&...
Chandra observation of the edge-on spiral NGC 5775: probing the hot galactic disc/halo connection
individual (NGC 5775) general
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2014/12/23
We study the edge-on galaxy NGC 5775, utilizing a 58.2 ks Chandra ACIS-S observation together with complementary Hubble Space Telescope (HST) ACS, Spitzer IRAC and other multi-wavelength data sets. Th...
HALOGAS: HI Observations and Modeling of the Nearby Edge-on Spiral Galaxy NGC 4244
HALOGAS: HI Observations Modeling Nearby Edge-on Spiral
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2011/10/12
We present 21-cm observations and models of the HI kinematics and distribution of NGC 4244, a nearby edge-on Scd galaxy observed as part of the Westerbork Hydrogen Accretion in LOcal GAlaxieS (HALOGAS...
The UVJ Selection of Quiescent and Star Forming Galaxies: Separating Early and Late-Type Galaxies and Isolating Edge-on Spirals
Star Forming Galaxies: Separating Early Late-Type Galaxies Isolating Edge-on Spirals
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2011/10/10
We utilize for the first time HST ACS imaging to examine the structural properties of galaxies in the rest-frame U-V versus V-J diagram (i.e., the UVJ diagram) using a sample at 0.6
The imprint of photoevaporation on edge-on discs
Solar and Stellar Astrophysics (astro-ph.SR) Earth and Planetary Astrophysics (astro-ph.EP)
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2010/12/24
We have performed hydrodynamic and radiative transfer calculations of a photoevaporating disc around a Herbig Ae/Be star to determine the evolution and observational impact of dust entrained in the wi...
Mysterious 'dark flow' at the edge of the universe（图）
'dark flow' the edge of the universe
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2010/3/26
Astronomers have found that whole clusters of galaxies are moving in convoy towards a single point in the sky. This unexpected motion appears to be separate from the expansion of the universe and the ...
Satellite reveals surprising cosmic ‘weather’ at edge of solar system
satellite cosmic‘weather’ solar system
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2009/10/21
The first solar system energetic particle maps show an unexpected landmark occurring at the outer edge of the solar wind bubble surrounding the solar system. Scientists will publish these maps, based ...
IBEX spies a ribbon at the edge of the solar system（图）
IBEX the solar system ribbon
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2009/10/21
A "bright narrow ribbon snaking its way through the sky" is just one of the puzzling features of the first all-sky maps of the edge of the solar system made by NASA’s Interstellar Boundary Explorer (I...
Star formation at the edge of Chaos：Self organized criticality and the IMF
Star formation IMF edge of Chaos
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2009/6/16
Star formation at the edge of Chaos：Self organized criticality and the IMF。
The detection of supergalactic winds：The edge-on starburst galaxy NGC 4631
supergalactic winds starburst galaxy NGC 4631
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2009/6/12
The detection of supergalactic winds：The edge-on starburst galaxy NGC 4631。