AstroSat view of the NLS1 galaxy Mrk 335
arXiv:2102.00805 · doi:10.1007/s12036-021-09704-8
Abstract
We present the results from the multi-wavelength monitoring observations of the Narrow-Line Seyfert 1 galaxy Mrk 335 with AstroSat. We analysed both the X-ray (SXT & LAXPC) and UV (UVIT) data of the source at two epochs, separated by ~18 days. The source was in a low flux state during the observations, and the X-ray spectra were found to be harder than usual. The presence of soft X-ray excess was identified in the observations, and the broadband X-ray continuum was modelled with power-law and blackbody (modified by intrinsic absorption) and a distant neutral reflection component. We did not find any variability in the X-ray spectral shape or the flux over this period. However, the UV flux is found to be variable between the observations. The obtained results from the X-ray analysis point to a scenario where the primary emission is suppressed and the component due to distant reflection dominates the observed spectrum.
arXiv comment10 pages, 6 figures, 5 tables. Accepted for publication in the Journal of Astrophysics and Astronomy
References in corpus (31)
- Maps of Dust IR Emission for Use in Estimation of Reddening and CMBR Foregrounds
- The Leiden/Argentine/Bonn (LAB) Survey of Galactic HI: Final data release of the combined LDS and IAR surveys with improved stray-radiation corrections
- Intrinsic disc emission and the Soft X-ray Excess in AGN
- X-ray reflected spectra from accretion disk models. III. A complete grid of ionized reflection calculations
- X-ray reflected spectra from accretion disk models. I. Constant density atmospheres
- A Comprehensive Spectral and Variability Study of Narrow-Line Seyfert 1 Galaxies Observed by ASCA: I. Observations and Time Series Analysis
- In-orbit Calibrations of the Ultra-Violet Imaging Telescope
- X-ray Observations of Optically-Selected, Radio-Quiet Quasars I: The ASCA results
- Calibration of the Large Area X-ray Proportional Counter (LAXPC) instrument on-board AstroSat
- The NuSTAR spectrum of Mrk 335: Extreme relativistic effects within 2 gravitational radii of the event horizon?
- X-ray variability in a complete sample of Soft X-ray selected AGN
- The Cadmium Zinc Telluride Imager on AstroSat
- Evidence for Ionised Accretion Discs in Five Narrow-Line Seyfert 1 Galaxies
- XMM-Newton observations of the Narrow-Line Seyfert 1 galaxy Mrk 335 in an historical low X-ray flux state
- Suzaku observations of Mrk 335: Confronting partial covering and relativistic reflection
- The rise of an ionized wind in the Narrow Line Seyfert 1 Galaxy Mrk 335 observed by XMM-Newton and HST
- Flaring from the supermassive black hole in Mrk 335 studied with Swift and NuSTAR
- Discovery of the Narrow-Line Seyfert 1 galaxy Mkn 335 in an historical low X-ray flux state
- In-orbit Performance of UVIT and First Results
- Ultraviolet and X-ray variability of active galactic nuclei with Swift
- A blurred reflection interpretation for the intermediate flux state in Mrk 335
- A remarkable long-term light curve, and deep, low-state spectroscopy: Swift & XMM-Newton monitoring of the NLS1 galaxy Mkn 335
- Eleven years of monitoring the Seyfert 1 Mrk 335 with Swift: Characterizing the X-ray and UV/optical variability
- Revealing the accretion disc corona in Mrk 335 with multi-epoch X-ray spectroscopy
- The XMM-Newton/HST view of the obscuring outflow in the Seyfert Galaxy Mrk 335 observed at extremely low X-ray flux
- Cadmium Zinc Telluride Imager onboard AstroSat : a multi-faceted hard X-ray instrument
- BeppoSAX observations of Mrk 841 and Mrk335
- Lifting the curtain: The Seyfert galaxy Mrk 335 emerges from deep low-state in a sequence of rapid flare events
- Tracking the year-to-year variation in the spectral energy distribution of the Narrow-line Seyfert 1 Galaxy Mrk335
- Correlation between relativistic reflection fraction and photon index in NuSTAR sample of Seyfert 1 AGN
- Relationship between X-ray spectral index and X-ray Eddington ratio for Mrk 335 and Ark 564