Search Results - "Simić, Saša"

Refine Results
  1. 1

    The broad emission line asymmetry in a low mass ratio of supermassive binary black holes on elliptical orbits by Simić, Saša, Popović, Luka Č., Kovačević, Andjelka, Ilić, Dragana

    Published in Astronomische Nachrichten (01-01-2022)
    “…We investigate the broad line profiles emitted from a system supermassive binary black hole (SMBBH) having elliptical orbits and a low mass ratio of m2/m1∼0.1…”
    Get full text
    Journal Article
  2. 2

    Line shifts and sub-pc super-massive binary black holes by Simic, Sasa, Popovic, Luka C

    Published in Astrophysics and space science (01-02-2016)
    “…Here we discuss the possibility of super-massive binary black hole (SMBBH) detection, using the shifts of the broad lines emitted from a binary system. We…”
    Get full text
    Journal Article
  3. 3
  4. 4

    Broad spectral line and continuum variabilities in QSO spectra induced by microlensing of diffusive massive substructure by Simić, Saša, Popović, Luka Č.

    Published in Advances in space research (01-10-2014)
    “…We investigate the variability of the continuum and broad lines in QSO spectra (particularly in the Hβ line and continuum at λ 5100Å) caused by microlensing of…”
    Get full text
    Journal Article
  5. 5

    Influence of gravitational microlensing on broad absorption lines of QSOs: The case of the Fe K α line by Jovanovic, Predrag, Popovic, Luka C, Simic, Sasa

    Published in New astronomy reviews (01-07-2009)
    “…Here we give a brief overview of some investigations of the gravitational microlensing influence on broad absorption spectral lines of lensed QSOs. Especially,…”
    Get full text
    Journal Article
  6. 6
  7. 7

    Preface: Spectral line shapes in astrophysics by Popović, Luka Č., Simić, Saša, Kovačević, Andjelka

    Published in Astronomische Nachrichten (01-01-2022)
    “…The collection of papers in this special issue represents the selected papers presented at the 13th Serbian Conference on Spectral Line Shapes in Astrophysics…”
    Get full text
    Journal Article
  8. 8

    The Optical Variability of Supermassive Black Hole Binary Candidate PG 1302-102: Periodicity and Perturbation in the Light Curve by Kova evi, Andjelka B., Popovi, Luka, Simi, Saša, Ili, Dragana

    Published in The Astrophysical journal (20-01-2019)
    “…The photometric light curve of PG 1302-102 shows periodic variability, which makes this object one of the most plausible supermassive black hole binary…”
    Get full text
    Journal Article
  9. 9

    On possible proxies of AGN light-curves cadence selection in future time domain surveys by Kovačević, Andjelka B, Ilić, Dragana, Popović, Luka Č, Radović, Viktor, Jankov, Isidora, Yoon, Ilsang, Caplar, Neven, Čvorović-Hajdinjak, Iva, Simić, Saša

    “…ABSTRACT Motivated by upcoming photometric and spectroscopic surveys [Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST), Manuakea Spectroscopic…”
    Get full text
    Journal Article
  10. 10

    Detection of short-term response of the low ionosphere on gamma ray bursts by Nina, Aleksandra, Simić, Saša, Srećković, Vladimir A., Popović, Luka Č.

    Published in Geophysical research letters (16-10-2015)
    “…In this paper, we study the possibility of detection of short‐term terrestrial lower ionospheric response to gamma ray bursts (GRBs) using a statistical…”
    Get full text
    Journal Article
  11. 11
  12. 12

    The broad emission line asymmetry in low mass ratio of supermassive binary black holes on elliptical orbits by Simić, Saša, Popović, Luka Č, Kovačević, Andjelka, Ilić, Dragana

    Published 22-11-2021
    “…We investigate the broad line profiles emitted from a system supermassive binary black hole (SMBBH) having elliptical orbits and low mass ratio of $m_2/m_1\sim…”
    Get full text
    Journal Article
  13. 13

    Detecting subparsec super-massive binary black holes: Long termmonitoring perspective by Popović, Luka Č, Simić, Saša, Kovačević, Anđelka, Ilić, Dragana

    Published 19-05-2021
    “…Here we consider the perspective to detect sub-pc super-massive binary black-hole (SMBBH) systems using long-term photometric and spectroscopic monitoring…”
    Get full text
    Journal Article
  14. 14

    Computer sound card as a tool to study of fast changing electromagnetic phenomena by Simic, Sasa Z, Kovacevic, Milan S

    “…This paper presents an original undergraduate experiment which use capabilities of the PC sound device for observation and data acquisition. We study the rapid…”
    Get full text
    Journal Article
  15. 15

    Plastic optical fiber as a tool for experimenting with simple pendulum by Milan S Kovačević, Saša Simić

    “…In this paper an experiment with plastic optical fiber to control the motion of a simple pendulum was described. The monitoring system of pendulum position is…”
    Get full text
    Journal Article
  16. 16

    Detection of short term response of the low ionosphere on gamma ray bursts by Nina, Aleksandra, Simić, Saša, Srećković, Vladimir A, Popović, Luka Č

    Published 30-01-2018
    “…Geophysical Research Letters, vol. 42, issue 19, 8250-8261, 2015 In this paper, we study the possibility of detection of short term terrestrial lower…”
    Get full text
    Journal Article
  17. 17

    Broad spectral line and continuum variabilities in QSO spectra induced by microlensing of diffusive massive substructure by Simić, Saša, Popović, Luka Č

    Published 15-11-2013
    “…We investigate the variability of the continuum and broad lines in QSO spectra (particularly in the H$\beta$ line and continuum at $\lambda$ 5100 \AA ) caused…”
    Get full text
    Journal Article
  18. 18

    Mechanism of light curve variability in the gamma ray bursts by Simic, Sasa, Popovic, Luka C, Andersen, Michael I, Christensen, Lise

    Published in Astrophysics and space science (01-06-2007)
    “…Issue Title: The Multi-Messenger Approach to High-Energy Gamma-Ray Sources: Third Workshop on the Nature of Unidentified High-Energy Sources In this paper we…”
    Get full text
    Journal Article
  19. 19

    Influence of gravitational microlensing on broad absorption lines of QSOs: The case of the Fe K$\alpha$ line by Jovanović, Predrag, Popović, Luka Č, Simić, Saša

    Published 29-09-2009
    “…New Astron.Rev.53:156-161,2009 Here we give a brief overview of some investigations of the gravitational microlensing influence on broad absorption spectral…”
    Get full text
    Journal Article
  20. 20

    Spectro-photometric variability of quasars caused by lensing of diffuse massive substructure: Consequences on flux anomaly and precise astrometric measurements by Popović, Luka C, Simić, Sasa

    Published 25-03-2013
    “…MNRAS, 2013 We investigate the spectro-photometric variability of quasars due to lensing of small mass substructure (from several tens to several hundreds…”
    Get full text
    Journal Article