86 datasets found

Keywords: Accretion

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  • The Swift Bulge Survey. first X-ray results

    Very faint X-ray transients (VFXTs) are X-ray transients with peak X-ray luminosities (L_X_) of L_X_~<10^36^erg/s, which are not well understood. We carried out a survey of...
  • Reciprocal transplant coral growth rates for Porites compressa and Montipora ...

    This datasets consists of growth rates for coral fragments from the species Porites compressa and Montipora capitata in Kāneʻohe Bay, Oʻahu, Hawaiʻi, 2018. A reciprocal...
  • Black hole mass accretion rates for over 750 AGN

    Mass accretion rates in dimensionless and physical units, and efficiency factors describing the total radiant luminosity of the disc and the beam power of the outflow are...
  • Gaia/IPHAS catalogue of Ha-excess sources

    We present a catalogue of point-like H{alpha}-excess sources in the Northern Galactic Plane. Our catalogue is created using a new technique that leverages astrometric and...
  • Polarization of LMXB MAXI J1820+070

    We describe the first complete polarimetric dataset of the entire outburst of a low-mass black hole X-ray binary system and discuss the constraints for geometry and radiative...
  • Very massive radio-loud and radio-quiet AGN

    The main objective of this work is to establish and interpret the dominant spectral components and their differences in radio-loud (RL) and radio-quiet (RQ) AGN with very...
  • Young radio AGNs study based on SDSS spectroscopy

    The gigahertz peaked spectrum (GPS) sources, compact steep spectrum (CSS) radio sources, and high-frequency peaker (HFP) radio sources are thought to be young radio active...
  • Extended size-luminosity relation for the RM AGNs

    For a compiled sample of 120 reverberation-mapped AGNs, the bivariate correlations of the broad-line region (BLR) size (R_BLR_) with the continuum luminosity at 5100{AA}...
  • Study of spiral density waves in CVs

    Spiral density waves are thought to be excited in the accretion discs of accreting compact objects, including cataclysmic variable stars (CVs). Observational evidence has been...
  • Spectroscopic dust reverberation in NGC 5548

    We have recently initiated the first spectroscopic dust reverberation programme on active galactic nuclei in the near-infrared. Spectroscopy enables measurement of dust...
  • Quasar winds and narrow absorption lines

    We use the spectra of 73 quasars (1.5=<z=<5) from the VLT UVES archive to catalogue and study narrow absorption lines (NALs) that are physically associated with (intrinsic...
  • Hot corona properties of Swift/BAT-detected AGNs

    Using a sample of 208 broad-line active galactic nuclei (AGNs) from the Swift/BAT AGN Spectroscopic Survey in the ultra-hard X-ray band (14-195keV), the hot corona properties...
  • GRBs data

    The detections of some long gamma-ray bursts (LGRBs) relevant to mergers of neutron star (NS)-NS or black hole (BH)-NS, as well as some short gamma-ray bursts (SGRBs) probably...
  • Spectral evolution of 4U 1543-47 in 2002

    We investigate the viscous evolution of the accretion disc in 4U 1543-47, a black hole binary system, during the first 30 d after the peak of the 2002 burst by comparing the...
  • Outburst catalogue of cataclysmic variables

    The Outburst Catalogue contains a wide variety of observational properties for 722 dwarf nova-type (DN) cataclysmic variables (CVs) and 309 CVs of other types from the Catalina...
  • Herbig Ae/Be X-shooter observations

    Herbig Ae/Be stars (HAeBes) span a key mass range that links low- and high-mass stars, and thus provide an ideal window from which to explore their formation. This paper...
  • Lagoon Nebula M8 T tauri accretion rates

    We estimate the accretion rates of 235 Classical T Tauri star (CTTS) candidates in the Lagoon Nebula using ugri H{alpha} photometry from the VST Photometric H{alpha} survey+....
  • Members of ONC and Tau-Aur

    In light of recent substantial updates to spectral type estimations and newly established intrinsic colours, effective temperatures, and bolometric corrections for pre-main...
  • Galactic Bulge accreting binaries spectroscopy

    We present the identification of optical counterparts to 23 GBS X-ray sources. All sources are classified as accreting binaries according to the emission-line characteristics...
  • LMC pre-main sequences stars mass accretion rates

    We present a multiwavelength study of three star-forming regions, spanning the age range 1-14Myr, located between the 30 Doradus complex and supernova SN 1987A in the Large...
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