15 papers found
Refreshing results…
Stronger Constraints on the Evolution of the M BH−${σ }_{* }$ Relation up to z ∼ 0.6
The XMM-Newton/HST View of the Obscuring Outflow in the Seyfert Galaxy Mrk 335 Observed at Extremely Low X-Ray Flux
Observatory science with eXTP
Inner jet kinematics and the viewing angle towards the γ-ray narrow-line Seyfert 1 galaxy 1H 0323+342
The Stripe 82X Multiwavelength Survey of Supermassive Black Hole Growth in Powerful AGN
The Simultaneous Optical-To-X-Ray Spectral Energy Distribution of Soft X-Ray Selected Active Galactic Nuclei Observed by Swift
XMM‐NewtonObservations of the Narrow‐Line Seyfert 1 Galaxy Mrk 335 in a Historical Low X‐Ray Flux State
An Update on the X-Ray Transient Narrow-Line Seyfert 1 Galaxy WPVS 007:SwiftObservations of UV Variability and Persistence of X-Ray Faintness
SwiftObservations of the Highly X-Ray Variable Narrow-Line Seyfert 1 Galaxy RX J0148.3-2758
Supersolar Metallicity in the NLS1 Galaxy Markarian 1044
Erratum: “Supersolar N/C in the Narrow-Line Seyfert 1 Galaxy Markarian 1044” (ApJ, 620, 183 [2005])
Supersolar N/C in the Narrow‐Line Seyfert 1 Galaxy Markarian 1044
Astronomy and Astrophysics
Letter to the Editor Discovery of a giant and luminous X-ray outburst from the optically inactive galaxy pair RX J1242.6–1119 * ASTRONOMY AND ASTROPHYSICS LETTER
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