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Browsing Научные публикации в Scopus by Author "Fabrika S."

Browsing Научные публикации в Scopus by Author "Fabrika S."

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  • Advanced modeling of a moderate-resolution holographic spectrograph 
    Muslimov E.; Valyavin G.; Fabrika S.; Pavlycheva N. (2017)
    © 2017 Optical Society of America.In the present article we consider an accurate modeling of a spectrograph with a cascade of volume-phase holographic gratings. The proposed optical scheme allows us to detect spectra in ...
  • Broad band variability of SS433: Accretion disk at work? 
    Revnivtsev M.; Fabrika S.; Abolmasov P.; Postnov K.; Bikmaev I.; Burenin R.; Pavlinsky M.; Sunyaev R.; Khamitov I.; Sakhibullin N. (2006)
    We present broad band power spectra of variations of SS433 in radio, optical and X-ray spectral bands. We show that at frequencies lower than 10 -5 Hz the source demonstrates the same variability pattern in all these bands. ...
  • Experimental study of an advanced concept of moderate-resolution holographic spectrographs 
    Muslimov E.; Valyavin G.; Fabrika S.; Musaev F.; Galazutdinov G.; Pavlycheva N.; Emelianov E. (2018)
    © 2018. The Astronomical Society of the Pacific. All rights reserved. Printed in the U.S.A. We present the results of an experimental study of an advanced moderate-resolution spectrograph based on a cascade of narrow-band ...
  • First simultanous X-ray and optical observations of rapid variability of supercritical accretor SS433 
    Revnivtsev M.; Burenin R.; Fabrika S.; Postnov K.; Bikmaev I.; Pavlinsky M.; Sunyaev R.; Khamitov I.; Aslan Z. (2004)
    We present results of first simultaneous optical and X-ray observations of peculiar binary system SS433. For the first time, chaotic variability of SS433 in the optical spectral band (R band) on time scales as small as ...
  • INTEGRAL observations of SS433: Results of a coordinated campaign 
    Cherepashchuk A.; Sunyaev R.; Fabrika S.; Postnov K.; Molkov S.; Barsukova E.; Antokhina E.; Irsmambetova T.; Panchenko I.; Seifina E.; Shakura N.; Timokhin A.; Bikmaev I.; Sakhibullin N.; Aslan Z.; Khamitov I.; Pramsky A.; Sholukhova O.; Gnedin Y.; Arkharov A.; Larionov V. (2005)
    Results of simultaneous INTEGRAL and optical observations of the galactic microquasar SS433 in May 2003 and INTEGRAL/RXTE observations in March 2004 are presented. Persistent precessional variability with a maximum to ...
  • Interacting supernovae and supernova impostors. LSQ13zm: An outburst heralds the death of a massive star 
    Tartaglia L.; Pastorello A.; Sullivan M.; Baltay C.; Rabinowitz D.; Nugent P.; Drake A.; Djorgovski S.; Gal-Yam A.; Fabrika S.; Barsukova E.; Goranskij V.; Valeev A.; Fatkhullin T.; Schulze S.; Mehner A.; Bauer F.; Taubenberger S.; Nordin J.; Valenti S.; Howell D.; Benetti S.; Cappellaro E.; Fasano G.; Elias-Rosa N.; Barbieri M.; Bettoni D.; Harutyunyan A.; Kangas T.; Kankare E.; Martin J.; Mattila S.; Morales-Garoffolo A.; Ochner P.; Rebbapragada U.; Terreran G.; Tomasella L.; Turatto M.; Verroi E.; Woźniak P. (2016)
    © 2016 The Authors.We report photometric and spectroscopic observations of the optical transient LSQ13zm. Historical data reveal the presence of an eruptive episode (that we label as '2013a') followed by a much brighter ...
  • Luminous blue variable candidates in M31 
    Sarkisyan A.; Sholukhova O.; Fabrika S.; Bizyaev D.; Valeev A.; Vinokurov A.; Solovyeva Y.; Kostenkov A.; Malanushenko V.; Nedialkov P. (2020)
    © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. We study five luminous blue variable (LBV) candidates in the Andromeda galaxy and one more (MN112) in the Milky Way. ...
  • M31N 2008-12a - The REMARKABLE RECURRENT NOVA in M31: PANCHROMATIC OBSERVATIONS of the 2015 ERUPTION 
    Darnley M.; Henze M.; Bode M.; Hachisu I.; Hernanz M.; Hornoch K.; Hounsell R.; Kato M.; Ness J.; Osborne J.; Page K.; Ribeiro V.; Rodríguez-Gil P.; Shafter A.; Shara M.; Steele I.; Williams S.; Arai A.; Arcavi I.; Barsukova E.; Boumis P.; Chen T.; Fabrika S.; Figueira J.; Gao X.; Gehrels N.; Godon P.; Goranskij V.; Harman D.; Hartmann D.; Hosseinzadeh G.; Horst J.; Itagaki K.; José J.; Kabashima F.; Kaur A.; Kawai N.; Kennea J.; Kiyota S.; Kučáková H.; Lau K.; Maehara H.; Naito H.; Nakajima K.; Nishiyama K.; O'Brien T.; Quimby R.; Sala G.; Sano Y.; Sion E.; Valeev A.; Watanabe F.; Watanabe M.; Williams B.; Xu Z. (2016)
    © 2016. The American Astronomical Society. All rights reserved.The Andromeda Galaxy recurrent nova M31N 2008-12a had been observed in eruption 10 times, including yearly eruptions from 2008 to 2014. With a measured recurrence ...
  • Modeling of Extended Atmospheres with Temperatures below 40000 K 
    Kostenkov A.; Vinokurov A.; Solovyeva Y.; Atapin K.; Fabrika S. (2020)
    © 2020, Pleiades Publishing, Ltd. Abstract: We calculate models of extended stellar atmospheres with a temperature in the range of 12 000–40 000 K and a mass loss rate of 10-6–10-4 Mʘyr-1. A large number of objects with ...
  • Modelling spectra of MN112 
    Kostenkov A.; Fabrika S.; Sholukhova O.; Sarkisyan A.; Bizyaev D. (2020)
    © 2020 The Author(s). MN112 is a Galactic luminous blue variable (LBV) candidate with a circumstellar nebula. P Cygni was the first LBV discovered, and was recorded during major eruptions in the 17th century. The stars ...
  • Moderate-resolution holographic spectrograph 
    Muslimov E.; Pavlycheva N.; Valyavin G.; Fabrika S. (2016)
    © 2016, Pleiades Publishing, Ltd.We present a new scheme of a moderate-resolution spectrograph based on a cascade of serial holographic gratings each of which produces an individual spectrum with a resolution of about 6000 ...
  • New luminous blue variable candidates in NGC 4736 
    Solovyeva Y.; Vinokurov A.; Fabrika S.; Kostenkov A.; Sholukhova O.; Sarkisyan A.; Valeev A.; Atapin K.; Spiridonova O.; Moskvitin A.; Nikolaeva E. (2019)
    © 2019 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. We have found three new luminous blue variable (LBV) candidates in the star-forming galaxy NGC4736. They show typical ...
  • New luminous blue variable candidates in the NGC 247 galaxy 
    Solovyeva Y.; Vinokurov A.; Sarkisyan A.; Atapin K.; Fabrika S.; Valeev A.F.; Kniazev A.; Sholukhova O.; Maslennikova O. (2020)
    © 2020 The Author(s). We search for luminous blue variable (LBV) stars in galaxies outside the Local Group. Here we present a study of two bright Hα sources in the NGC 247 galaxy. Object j004703.27-204708.4 (MV =-9.08 ± ...
  • New luminous blue variables in the Andromeda galaxy 
    Sholukhova O.; Bizyaev D.; Fabrika S.; Sarkisyan A.; Malanushenko V.; Valeev A. (2015)
    © 2015 The Authors. We performed spectroscopy of five luminous blue variable (LBV) candidates and two known LBV stars (AE And andVar A-1) inM31.We obtained the same-epoch near-infrared (NIR) and optical spectra of these ...
  • NuSTAR and Swift Observations of the Ultraluminous X-Ray Source IC 342 X-1 in 2016: Witnessing Spectral Evolution 
    Shidatsu M.; Ueda Y.; Fabrika S. (2017)
    © 2017. The American Astronomical Society. All rights reserved.We report on an X-ray observing campaign of the ultraluminous X-ray source IC 342 X-1 with NuSTAR and Swift in 2016 October, in which we captured the very ...
  • On the formation of TW Crv optical radiation 
    Shimansky V.; Mitrofanova A.; Borisov N.; Fabrika S.; Galeev A. (2016)
    © 2016, Pleiades Publishing, Ltd.We present the analysis of the optical radiation of the young pre-cataclysmic variable TW Crv. Spectroscopic and photometric observations were obtained at the SAO RAS 6-m BTA telescope and ...
  • Optical Counterparts of ULXs and Their Host Environments in NGC 4490/4485 
    Avdan S.; Akyuz A.; Vinokurov A.; Aksaker N.; Avdan H.; Fabrika S.; Valeev A.; Akkaya-Oralhan I.; Balman Ş. (2019)
    © 2019. The American Astronomical Society. All rights reserved. We report the identification of the possible optical counterparts of five out of seven ultraluminous X-ray sources (ULXs) in the galaxy pair NGC 4490/4485. ...
  • Search for LBVs in the Local Volume galaxies: Study of four stars in NGC 4449 
    Solovyeva Y.; Vinokurov A.; Sarkisyan A.; Kostenkov A.; Atapin K.; Fabrika S.; Oparin D.; Valeev A.; Bizyaev D.; Nedialkov P.; Spiridonova O. (2021)
    We continue to search for LBV stars in galaxies outside the Local Group. In this work, we have investigated four luminous stars in NGC 4449. Multiple spectral observations carried out for J122810.94+440540.6, J122811.70+440550.9, ...
  • Spectral analysis of lbv stars in m31: Af and and Var 15 
    Valeev A.; Sholukhova O.; Fabrika S. (2014)
    Copyright © International Astronomical Union 2015. We study spectra of two bona fide LBV stars in M31: AF And and Var 15. The spectra were obtained with the 6-m telescope (Russia) from 2005 to 2012. The model spectra were ...
  • SPEXTRA: Optimal extraction code for long-slit spectra in crowded fields 
    Sarkisyan A.; Vinokurov A.; Solovieva Y.; Sholukhova O.; Kostenkov A.; Fabrika S. (2017)
    © 2017, Pleiades Publishing, Ltd. We present a code for the optimal extraction of long-slit 2D spectra in crowded stellar fields. Its main advantage and difference from the existing spectrum extraction codes is the presence ...

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