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astrophysics (32) 32
cosmology and extragalactic astrophysics (31) 31
galaxy astrophysics (30) 30
quasars: general (29) 29
astronomy & astrophysics (28) 28
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quasars (22) 22
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physics - instrumentation and methods for astrophysics (9) 9
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Nature, ISSN 0028-0836, 01/2018, Volume 553, Issue 7689, pp. 410 - 411
Quasars are the brightest continuously emitting sources of radiation in the Universe. Measurements of the most distant quasar ever detected reveal details... 
MULTIDISCIPLINARY SCIENCES | REDSHIFT | QUASARS | Quasars | Natural history | Black holes | Hydrogen | Stars & galaxies | Light | Universe | Cosmology | Accretion disks
Journal Article
Nature, ISSN 0028-0836, 02/2015, Volume 518, Issue 7537, pp. 74 - 76
Quasars have long been known to be variable sources at all wavelengths. Their optical variability is stochastic and can be due to a variety of physical... 
VARIABILITY | ACTIVE GALACTIC NUCLEI | DIGITAL SKY SURVEY | MULTIDISCIPLINARY SCIENCES | MASS | TIME TRANSIENT SURVEY | ACCRETION DISK | SURVEY SPECTROSCOPIC SAMPLE | PHOTOMETRIC STANDARD STARS | PARSEC | JET PRECESSION | Quasars | Observations | Black holes (Astronomy) | Black holes | Accretion disks | Stars & galaxies | Light
Journal Article
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3933, 09/2012, Volume 425, Issue 1, pp. L61 - L65
We explore the nature of heavily obscured quasar host galaxies at z~2 using deep Hubble Space Telescope WFC3/IR imaging of 28 Dust Obscured Galaxies (DOGs) to... 
Galaxies: seyfert | Galaxies: active | Galaxies: high-redshift
Journal Article
The Astrophysical Journal, ISSN 1538-4357, 09/2017, Volume 847, Issue 2, p. 116
Journal Article
Astrophysical Journal, ISSN 0004-637X, 06/2015, Volume 806, Issue 2, pp. 1 - 24
We used the Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) near-infrared camera to image the host galaxies of a sample of 11 luminous, dust-reddened... 
quasars: general | galaxies: active | galaxies: evolution | galaxies: interactions | galaxies: high-redshift | Acquisitions | Quasars | Pictures | Star formation | Galaxies | Merging | Hubble Space Telescope | Images
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 09/2012, Volume 425, Issue 1, pp. L61 - L65
We explore the nature of heavily obscured quasar host galaxies at z similar to 2 using deep Hubble Space Telescope Wide Field Camera 3/infrared imaging of 28... 
galaxies: Seyfert | SIMILAR-TO 2 | AGN | DECOMPOSITION | MORPHOLOGIES | LUMINOSITY FUNCTION | galaxies: high-redshift | SUPERMASSIVE BLACK-HOLES | CANDELS | ORIGIN | EVOLUTION | galaxies: active | EXTRAGALACTIC LEGACY SURVEY | ASTRONOMY & ASTROPHYSICS
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 08/2015, Volume 453, Issue 2, pp. 1562 - 1576
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2014, Volume 439, Issue 1, pp. 703 - 718
We compare quasar-selection techniques based on their optical variability using data from the Catalina Real-time Transient Survey (CRTS). We introduce a new... 
Surveys | Methods: Data analysis | Techniques: Photometric | Quasars: General
Journal Article
The Astrophysical Journal Letters, ISSN 2041-8205, 02/2011, Volume 728, Issue 2, p. L26
Journal Article
Astrophysical Journal, ISSN 0004-637X, 10/2017, Volume 847, Issue 2
We obtained XMM-Newton observations of two highly luminous dust-reddened quasars, F2M1113+1244 and F2M1656+3821, that appear to be in the early, transitional... 
X-rays: individual (F2M1113+1244, F2M1656+3821) | infrared: galaxies | galaxies: active | quasars: individual (F2M1113+1244, F2M1656+3821) | PHOTON IMAGING CAMERA | REDDENED QUASARS | RADIO PROPERTIES | ACTIVE GALACTIC NUCLEI | BLACK-HOLE MASS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | 1ST SURVEY | RATE INDICATOR | BULGE MASS | X-RAY-SPECTRUM
Journal Article
The Astrophysical Journal, ISSN 1538-4357, 06/2015, Volume 806, Issue 2, p. 218
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 11/2019
Abstract We present the results of a systematic search for quasars in the Catalina Real-time Transient Survey exhibiting both strong photometric and... 
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 10/2017, Volume 470, Issue 4, pp. 4112 - 4132
There is a large degree of variety in the optical variability of quasars and it is unclear whether this is all attributable to a single (set of) physical... 
Surveys | Techniques: photometric | Methods: data analysis | Quasars: general | SKY | quasars: general | methods: data analysis | techniques: photometric | surveys | SOUTHERN SPECTROPHOTOMETRIC STANDARDS | DISCOVERY | BLACK-HOLE BINARY | ASTRONOMY & ASTROPHYSICS | STELLAR | ABSORPTION | EMISSION | REDSHIFTS | Physics - Astrophysics of Galaxies
Journal Article