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Wardle, M | Bushouse, H

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Add  Sgr A* and its environment : low-mass star formation, the origin of X-ray gas and collimated outflow
Authors: Yusef-Zadeh, F | Wardle, M | Schödel, R | Roberts, D. A | Cotton, W | Bushouse, H | Arendt, R | Royster, M
Date: 2016
Subject Keyword: accretion, accretion disks | black hole physics | Galaxy: center
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1198938
Description: We present high-resolution multiwavelength radio continuum images of the region within 150″ of Sgr A*, revealing a number of new extended features and stellar sources in this region. First, we detect ... More
Reviewed: Reviewed
Add  Compact radio sources within 30'' of Sgr A* : proper motions, stellar winds, and the accretion rate onto Sgr A*
Authors: Yusef-Zadeh, F | Bushouse, H | Schödel, R | Wardle, M | Cotton, W | Roberts, D. A | Nogueras-Lara, F | Gallego-Cano, E
Date: 2015
Subject Keyword: accretion, accretion disks | black hole physics | Galaxy: center
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1044254
Description: Recent broadband 34 and 44 GHz radio continuum observations of the Galactic center have revealed 41 massive stars identified with near-IR (NIR) counterparts, as well as 44 proplyd candidates within 30 ... More
Full Text: Full Text
Reviewed: Reviewed
Add  The Discovery of radio stars within 10" of Sgr A* at 7 mm
Authors: Yusef-Zadeh, F | Roberts, D. A | Bushouse, H | Wardle, M | Cotton, W | Royster, M | van Moorsel, G
Date: 2014
Subject Keyword: galaxies: active | Galaxy: center | ISM: jets and outflows | radio continuum: stars | stars: early-type
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/339185
Description: 6 page(s)
Reviewed: Reviewed
Add  ALMA observations of the Galactic center: SiO outflows and high-mass star formation near Sgr A*
Authors: Yusef-Zadeh, F | Royster, M | Wardle, M | Arendt, R | Bushouse, H | Lis, D. C | Pound, M. W | Roberts, D. A | Whitney, B | Wootten, A
Date: 2013
Subject Keyword: 020100 Astronomical and Space Sciences | Galaxy: center | ISM: jets and outflows | ISM: molecules | stars: protostars
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/261897
Description: ALMA observations of the Galactic center with a spatial resolution of 2."61 x 0."97 resulted in the detection of 11 SiO (5-4) clumps of molecular gas within 0.6 pc (15") of Sgr A*, interior to the 2 p ... More
Reviewed: Reviewed
Add  A 3pc scale jet-driven outflow from SGR A*
Authors: Yusef-Zadeh, F | Arendt, R | Bushouse, H | Cotton, W | Haggard, D | Pound, M. W | Roberts, D. A | Royster, M | Wardle, M
Date: 2012
Subject Keyword: 020100 Astronomical and Space Sciences | accretion, accretion disks | black hole physics | Galaxy: center
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/199607
Description: The compact radio source Sgr A* is coincident with a 4 × 10⁶ M⊙ black hole at the dynamical center of the Galaxy and is surrounded by dense orbiting ionized and molecular gas. We present high-resoluti ... More
Reviewed: Reviewed
Add  An Inverse Compton scattering origin of x-ray flares from Sgr A
Authors: Yusef-Zadeh, F | Wardle, M | Dodds-Eden, K | Heinke, C. O | Gillessen, S | Genzel, R | Bushouse, H | Grosso, N | Porquet, D
Date: 2012
Subject Keyword: 020100 Astronomical and Space Sciences | black hole physics | Galaxy: center | infrared: general | ISM: clouds | ISM: general | X-rays: general
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/178705
Description: The X-ray and near-IR emission from Sgr A* is dominated by flaring, while a quiescent component dominates the emission at radio and submillimeter (sub-mm) wavelengths. The spectral energy distribution ... More
Reviewed: Reviewed
Add  Hubble space telescope observations of the stellar distribution near Sgr A*
Authors: Yusef-Zadeh, F | Bushouse, H | Wardle, M
Date: 2012
Subject Keyword: 020100 Astronomical and Space Sciences | Galaxy: center | infrared: stars | stars: late-type
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/170988
Description: Sgr A* is embedded within the nuclear cluster, which consists of a mixture of evolved and young populations of stars dominating the light over a wide range of angular scales. Here we present Hubble Sp ... More
Reviewed: Reviewed
Add  Occultation of the quiescent emission from Sgr A* by IR flares
Authors: Yusef-Zadeh, F | Wardle, M | Bushouse, H | Dowell, C. D | Roberts, D. A
Date: 2010
Subject Keyword: 020100 Astronomical and Space Sciences | accretion | accretion disks | black hole physics | galaxy: center
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/130147
Description: We have investigated the nature of flare emission from Sgr A* during multi-wavelength observations of this source that took place in 2004, 2005, and 2006. We present evidence for dimming of submillime ... More
Reviewed: Reviewed
Add  A multiwavelength study of Sgr A* : the role of near-IR flares in production of X-ray, soft γ-ray, and submillimeter emission
Authors: Yusef-Zadeh, F | Bushouse, H | Bélanger, G | Dowell, C. D | Wardle, M | Roberts, D | Heinke, C | Bower, G. C | Vila-Vilaró, B | Shapiro, S | Goldwurm, A
Date: 2006
Subject Keyword: 020100 Astronomical and Space Sciences | accretion, accretion discs | black hole physics | galaxies, nuclei | galaxy, center
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/9896
Description: Although Sgr A* is known to be variable in radio, millimeter, near-IR, and X-rays, the correlation of the variability across its spectrum has not been fully studied. Here we describe highlights of the ... More
Reviewed: Reviewed
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