23 papers found
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X-Ray Spectral Shape Variation in Changing-look Seyfert Galaxy SDSS J155258+273728
X-ray spectral shape variations in changing-look Seyfert galaxy SDSSJ155258+273728
Initial results from a systematic search for changing-look active galactic nuclei selected via mid-infrared variability
Rapid “Turn-on” of Type-1 AGN in a Quiescent Early-type Galaxy SDSS1115+0544
Infrared Echo and Late-stage Rebrightening of Nuclear Transient Ps1-10adi: Exploring the Torus with Tidal Disruption Events in Active Galactic Nuclei
Discovery of an Active Intermediate-mass Black Hole Candidate in the Barred Bulgeless Galaxy NGC 3319
Long-term decline of the mid-infrared emission of normal galaxies: dust echo of tidal disruption flare?
Mid-infrared Flare of TDE Candidate PS16dtm: Dust Echo and Implications for the Spectral Evolution
The Carbon and Nitrogen Abundance Ratio in the Broad Line Region of Tidal Disruption Events
Mid-infrared Variability of Changing-look AGNs
XMM–Newton observation of the ultraluminous quasar SDSS J010013.02+280225.8 at redshift 6.326
Erratum: “Exploratory Chandra Observation of the Ultraluminous Quasar SDSS J010013.02+280225.8 at Redshift 6.30” (2016, ApJL, 823, L37)
Discovery of a Mid-infrared Echo from the TDE Candidate in the Nucleus of ULIRG F01004−2237
Variation of Ionizing Continuum: The Main Driver of Broad Absorption Line Variability
Long Fading Mid-Infrared Emission in Transient Coronal Line Emitters: Dust Echo of a Tidal Disruption Flare
The WISE DETECTION OF AN INFRARED ECHO IN TIDAL DISRUPTION EVENT ASASSN-14li
Exploratory Chandra Observation of the Ultraluminous Quasar Sdss J010013.02+280225.8 at Redshift 6.30
X-Ray Spectral and Temporal Analysis of Narrow Line Seyfert 1 Galaxy Was 61
MARVELS-1b: A SHORT-PERIOD, BROWN DWARF DESERT CANDIDATE FROM THE SDSS-III MARVELS PLANET SEARCH
Design, performance, and early results from extremely high Doppler precision instruments in a global network
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