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List of works by Vahram Chavushyan

1RXS J180408.9-342058: An ultra compact X-ray binary candidate with a transient jet

scientific article published in January 2016

A New NIR Flare of the Blazar PKS1510-089

scientific article published in January 2019

A Fast Rising NIR flare of the QSO PKS 0502+049

scientific article

A Giant NIR flare of the Blazar CGRaBS J1257+3229

scientific article published in January 2016

A Giant NIR flare of the Blazar S4 1030+61

scientific article published in January 2016

A Giant NIR flare of the FRQS PKS 1441+25

scientific article published in January 2015

A Large NIR flare of the Blazar TXS 2241+406

scientific article

A Large NIR flare of the quasar PKS2023-07

scientific article published in January 2017

A Large very red NIR flare of the Blazar 3C454.3

scientific article published in January 2018

A NIR FLARE of the Blazar NVSS J020344+304238

scholarly article

A NIR Flare of the Blazar 6C B061934.5+332747

scientific article

A NIR Flare of the Blazar BZQJ0713+1935

scientific article published in January 2019

A NIR Flare of the Blazar ON 246

scientific article

A NIR Flare of the Blazar PKS 1510-089

scientific article published in January 2015

A NIR Flare of the FSRQ 4C+40.25

scholarly article

A NIR Flare of the QSO B2 2234+28A

scholarly article

A NIR Flare of the QSO BZQ J2203+1725

scientific article published in January 2015

A NIR Flare of the QSO PKS 0306+102

scientific article published in January 2016

A NIR Flare of the Quasar BZQ J1514+4450

scientific article published in January 2015

A NIR flare of the quasar CGRaBS J0211+1051

scientific article published in January 2014

A New Flare of the Blazar PKS 1510-089

scientific article published in January 2015

A New Giant NIR flare of Blazar PKS 1244-255

scientific article published in January 2019

A New Giant NIR flare of the Blazar OJ 287

scholarly article

A New Large NIR Flare of the Blazar [HB89] 0234+285

scientific article published in January 2018

A New Large NIR Flare of the blazar GB6 J1604+5714

scientific article

A New Large NIR Flare of the blazar HB89 1420+326

scientific article published in January 2019

A New Major NIR Flare of the Blazar GB6J0713+5738

scientific article published in January 2018

A New NIR Flare of the Blazar AO 0235+164

scientific article published in January 2015

A New NIR Flare of the Blazar BZQ J1849+6705

scientific article published in January 2015

A New NIR Flare of the Blazar CGRaBS J0948+0022

A New NIR Flare of the Blazar CTA 102

scientific article published in January 2016

A New NIR Flare of the FSRQ S4 0954+658

scientific article published in January 2015

A New NIR Flare of the QSO BZQ J1727+4530

scientific article published in January 2015

A New NIR Flare of the QSO PKS 0502+049

scientific article published in January 2015

A New NIR Flare of the QSO TXS 2241+406

scientific article

A New NIR flare of PKS 1222+216

A New NIR flare of the Blazar PKS 0736+017

scientific article published in January 2018

A Recent NIR Flare of the QSO HB89 1803+784

scientific article published in January 2014

A Recent NIR Flare of the QSO PKS 1725+123

scientific article published in January 2014

A Recent NIR Flare of the QSO SBS 1452+516

scientific article published in January 2014

A Search for QPOs in the Blazar OJ287: Preliminary Results from the 2015/2016 Observing Campaign

A large NIR flare of the FSRQ Ton599

scientific article published in January 2017

A multiwavelength study of narrow-line Seyfert 1 galaxies from the second Byurakan survey

scientific article published in January 2003

A new Giant NIR Flare of the FSRQ PKS 2032+107

scientific article published in January 2015

A new Giant NIR Flare of the Blazar HB89 0716+714

A new Giant NIR Flare of the FSRQ S4 0954+65

scientific article published in January 2015

A new NIR Flare of the FSRQ TON 599

A new NIR Flare of the Blazar CGRaBS J2345-1555

scientific article published in January 2015

A new NIR Flare of the Blazar PKS0235+164

scholarly article

A new NIR Flare of the Blazar PKS0454-234

A new NIR Flare of the QSO PKS 0336-019

A new NIR Flare of the Quasar HB89 1749+0937

scientific article published in January 2016

A new NIR flare of the Blazar HB892345-167

scientific article published in January 2017

A recent NIR Flare of PKS 0048-071

A recent NIR Flare of the QSO BZQ J1727+4530

scientific article published in January 2014

A recent NIR Flare of the QSO BZQ J1849+6705

A recent NIR Flare of the QSO PKS 0235+164

scientific article published in January 2014

A recent NIR Flare of the QSO TXS 2241+406

scientific article published in January 2015

A recent NIR brightening of the QSO CGRaBS J1700+6830

scholarly article

A recent NIR brightening of the QSO CGRaBS J1824+5651

scientific article published in January 2014

A three-dimensional study of the local environment of bright IRAS galaxies: the active galactic nucleus-starburst connection

scientific article published in January 2006

AGN in the INTEGRAL/IBIS 9-year Galactic hard X-ray survey

scientific article published in January 2012

Accurate classification of 17 AGNs detected with Swift/BAT

scientific article published in Astronomy and Astrophysics

Accurate classification of 29 objects detected in the 39 month PalermoSwift/BAT hard X-ray catalogue

scientific article published in Astronomy and Astrophysics

Accurate classification of 75 counterparts of objects detected in the 54-month PalermoSwift/BAT hard X-ray catalogue

scientific article published in Astronomy and Astrophysics

Activity of MASTER OT J013135.43+555831.5 in the NIR

scientific article

Activity of the Seyfert galaxy neighbours

scientific article published in January 2013

An ongoing NIR Flare of the Blazar CGRaBs J0510+1800

scientific article published in January 2015

An ongoing NIR Flare of the Blazar HB89 0716+714

scientific article published in January 2015

An ongoing NIR Flare of the QSO PKS 0235+164

scientific article published in January 2015

An ongoing NIR Flare of the QSO TXS 2241+406

scientific article published in January 2014

Another Recent NIR Flare of the QSO BZQ J1727+4530

scientific article published in January 2015

Another Recent NIR Flare of the QSO BZQJ1246-2547

Another recent NIR Flare of the QSO BZBJ1454+5124

scientific article

Around-the-Clock observations of the Q0957+561A,B gravitationally lensed quasar. II. Results for the second observing season

scientific article published in January 2003

BL Lacertae identifications in a ROSAT-selected sample ofFermiunidentified objects

scientific article published in Astronomy and Astrophysics

BZ Camelopardalis during its 1999/2000 optical low state

scientific article published in January 2001

Baldwin Effect and Additional BLR Component in AGN with Superluminal Jets

scholarly article in Frontiers in Astronomy and Space Sciences, vol. 3, June 2016

Broad emission lines: A tool for studying nuclei of active galaxies

Characterization of a sample of intermediate-type active galactic nuclei. II. Host bulge properties and black hole mass estimates

scientific article published in January 2013

Correction to the NIR photometry reported in ATel 6775

scientific article published in January 2014

Detection of helicoidal motion in the optical jet of PKS 0521-365

scholarly article

Discovery of a pseudobulge galaxy launching powerful relativistic jets

scientific article published in January 2016

Early Science with the Large Millimeter Telescope: An Energy-driven Wind Revealed by Massive Molecular and Fast X-Ray Outflows in the Seyfert Galaxy IRAS 17020+4544

scientific article published in January 2018

Errata to ATel# 11312

Errata to Telegram # 5923; NIR Flare of PKS 0736+017

scientific article published in January 2014

Evidence of bar-driven secular evolution in the gamma-ray narrow-line Seyfert 1 galaxy FBQS J164442.5+261913

scientific article published in January 2017

Flare-like variability of the Mg II {lambda}2800 emission line in the {Gamma}-ray blazar 3C 454.3

scientific article published in January 2013

Follow up photometry of the NIR flare of the quasar PKS J1553-2422

scientific article published in January 2014

From outburst to quiescence: spectroscopic evolution of V1838 Aql imbedded in a bow-shock nebula

scholarly article

Further brightening of the Blazar BZQ J1849+6705

scientific article published in January 2015

Futher brightening of the ongoing NIR Flare of the QSO PKS 0235+164

scientific article published in January 2015

Giant NIR Flare of the FSRQ S4 0954+658

Important NIR brightening of the Blazar OK+630

scientific article published in January 2019

Important NIR brightening of the Blazar PKS 0907+022

scientific article published in January 2019

Important NIR brightening of the Blazar PKS 1244-255

Large NIR Flare of the Blazar CGRaBs J0510+1800

scientific article published in January 2016

Large NIR Flare of the Blazar HB89 0805-077

Line-depth indices and atmospheric parameters of solar-like stars in M67

scientific article published in January 2011

Local and Large‐Scale Environment of Seyfert Galaxies

scientific article published in the Astrophysical Journal

Long-Term Monitoring of the Broad-Line Region Properties in a Selected Sample of AGN

scientific article published on 14 September 2017

Looking for blazars in a sample of unidentified high-energy emitting Fermi sources

scientific article published in January 2016

Mining for normal galaxies in the first XMM-Newton Serendipitous Source Catalog

scientific article published in January 2006

Multiwavelength Variability Analysis of 3C 279

scientific article published on 23 November 2017

Multiwavelength analysis of the variability of the blazar 3C 273

scientific article published on 11 July 2020

Multiwavelength photometric and spectropolarimetric analysis of the FSRQ 3C 279

scientific article published in January 2018

NIR Brightening of the Blazar BZB J2012+4628

scientific article

NIR Brightening of the Blazar FSRQ S4 1800+44

scientific article published in January 2016

NIR Brightening of the Blazar HB89 0805-077

scientific article published in January 2016

NIR Brightening of the Blazar OJ 287

scientific article published in January 2016

NIR Brightening of the Blazar PKS 1510-089

scientific article published in January 2016

NIR Brightening of the high redshift Blazar 4C+38.41

scientific article published in January 2016

NIR Flare if the FSRQ PKS 1502+106

scientific article published in January 2015

NIR Flare of

scientific article published in January 2014

NIR Flare of radio source GB60713+5738

scientific article published in January 2018

NIR Flare of the Blazar 3C 454.3

NIR Flare of the Blazar FBQS J102311.5+394815

scientific article published in January 2016

NIR Flare of the Blazar HB89 1803+784

NIR Flare of the QSO BZB J2250+3824

scientific article published in January 2015

NIR Flare of the blazar CTA 26

scientific article published in January 2014

NIR Flaring of the quasar CGRaBS J2348-1631

scientific article published in January 2013

NIR Photometry of [HB89] 0716+714 at maximum light

scientific article published in January 2015

NIR Photometry of the FRQS PKD 1441+25

scientific article published in January 2015

NIR Photometry of the Quasar BZQ J1432-1801

scientific article published in January 2015

NIR brightening of the quasar CGRaBS J0211+1051

scientific article published in January 2013

NIR brightening of BL LAC

scientific article

NIR brightening of BL Lac

scientific article published in January 2015

NIR brightening of the BLAZAR BZB J2012+4628

scientific article published in January 2015

NIR brightening of the Blazar HB89 0109+224

scientific article published in January 2018

NIR brightening of the Blazar HB89 1749+701

scientific article published in January 2015

NIR brightening of the Blazar PG 1553+113

NIR brightening of the FSRQ S51039+81

scientific article published in January 2016

NIR brightening of the QSO 4C+50.11

scientific article published in January 2015

NIR brightening of the QSO BZQ J2157+3127

scientific article published in January 2014

NIR brightening of the QSO CGRaBSJ0211+1051

scientific article published in January 2016

NIR brightening of the QSO HB89 0422+004

scientific article published in January 2015

NIR brightening of the Quasar HB89 1749+0937

scientific article published in January 2015

NIR brightening of the Quasar HB89 2007+777

scientific article published in January 2015

NIR brightening of the Quasar PKS 0306+102

NIR brightening of the flat spectrum QSO PKS2247-131

scientific article published in January 2017

NIR brightening of the flat spectrum QSO PKSB0415-029

scholarly article

NIR brightening of the high redshift QSO BZQJ0206-1150

scientific article published in January 2017

NIR brightening of the high redshift the blazar BZQJ0348-2749

NIR brightening of the quasar PKS 2209+236

scientific article published in January 2012

NIR detection of Master OT J083246.08+661700.7

scientific article published in January 2013

NIR detection of the QSO BZB J1616+3330

NIR flare of PKS B0415-029

NIR flare of the Blazar BZB J2012+4628

scientific article published in January 2016

NIR flare of the QSO PKS 1222+216

scientific article published in January 2015

NIR flare of the QSO PMNJ2301-0157

NIR follow up of the Flaring FSRQ PKS1004-217

scientific article published in January 2018

NIR observations of the flaring quasar CGRaBS J0809+5341

scientific article published in January 2014

NIR photometry of MASTER OT J013135.43+555831.5

scientific article published in January 2014

NIR photometry of the Blazar PKS 2023-07

scientific article published in January 2016

NIR photometry of the Blazars TXS 0646-176 and TXS 0908+416

NIR photometry of the FSRQ TXS 2358+209

NIR photometry of the Gamma-Ray source Fermi J0035+6131

scientific article published in January 2016

NIR photometry of the Gamma-Ray source Fermi J1654-1055 and 3FGLJ1037.5-2821

scientific article published in January 2016

NIR photometry of the Radio Source GB6 J0713+5738

scientific article published in January 2018

NIR photometry of the flaring Blazar B2 0748+33

scientific article published in January 2016

NIR photometry of the flaring Blazar PKS 2320-035

scientific article published in January 2015

NIR photometry of the flaring Quasar S4 0554+58

NIR photometry the AGN candidate MASTER OT J005720.90+282557.1

NIR photometry the AGN candidate MASTER OT J010728.48+033348.4

scientific article published in January 2014

NIR photometry the AGN candidate MASTER OT J203431.37+641048.8

New Giant flare of the Blazar 3C 454.3

Observations of the first electromagnetic counterpart to a gravitational-wave source by the TOROS Collaboration

scientific article published in January 2017

On the nature of hard X-ray extragalactic sources observed with XMM-Newton

scientific article published in January 2012

Optical and Infrared Observations of the Supernova SN 1999el

scientific article published in the Astrophysical Journal

Optical archival spectra of blazar candidates of uncertain type in the 3rd Fermi Large Area Telescope Catalog

scientific article published on 25 August 2016

Optical spectroscopic atlas of the MOJAVE/2cm AGN sample

scientific article published in January 2012

Optical spectroscopic observations of gamma-ray blazar candidates. V. TNG, KPNO, and OAN observations of blazar candidates of uncertain type in the northern hemisphere

scientific article published in January 2016

Optical spectroscopic observations of gamma-ray blazar candidates. VI. Further observations from TNG, WHT, OAN, SOAR, and Magellan telescopes

scientific article published in January 2016

Optical spectroscopic observations of gamma-ray blazar candidates. VII. Follow-up campaign in the southern hemisphere

scientific article published on 21 November 2017

Optical spectroscopic observations of {gamma}-ray blazar candidates. I. Preliminary results

scientific article published in Astronomical Journal

Optical spectroscopy of X-ray source 1RXS J204455.9-115151

Optical spectroscopy of X-ray source IGR J22534+6243

scientific article published in January 2012

Optically bright active galactic nuclei in the ROSAT-Faint source catalogue

scientific article published in January 2004

Precise parallel optical spectrum analysis using the advanced two-phonon light scattering combined with the cross-disperser technique.

scientific article

Primary black hold spin in OJ 287 as determined by the general relativity centenary flare

scientific article (publication date: 9 March 2016)

REVEALING THE NATURE OF NEW UNIDENTIFIED INTEGRAL SOURCES

Radio quiet pulsar candidates among unidentified gamma-ray sources

scientific article published in January 2001

Recent NIR brightening of the QSO HB890109+224

scientific article published in January 2017

Refining the associations of the Fermi large area telescope source catalogs

Restarting activity in the nucleus of PBC J2333.9-2343. An extreme case of jet realignment

scientific article published in January 2017

SN 1999E: another piece in the supernova--gamma-ray burst connection puzzle

scientific article

Searching for active galactic nuclei among unidentified INTEGRAL sources

scholarly article

Supersolar metallicity in G0-G3 main-sequence stars with V < 15

scientific article published in January 2014

Swift/XRT follow-up observations of unidentified INTEGRAL sources

The 2015 NIR outburst of the blazar OJ 287

scientific article published in January 2015

The Ongoing NIR Flare of PKS 0502+049

scholarly article

The gamma-ray blazar quest: new optical spectra, state of art and future perspectives

scientific article published on 26 September 2016

The host galaxies of active galactic nuclei with powerful relativistic jets

scientific article published in January 2016

The host galaxy of the gamma-ray narrow-line Seyfert 1 galaxy 1H 0323+342

scholarly article

The nature of 50 Palermo Swift-BAT hard X-ray objects through optical spectroscopy

scientific article published in January 2017

The ongoing Giant NIR flare of the Blazar candidate NVSS J141922-083830

scientific article published in January 2015

The parsec-scale structure, kinematics, and polarization of radio-loud narrow-line Seyfert 1 galaxies

scientific article published in September 2014

The present NIR Flare of the Blazar AO 0235+164

scholarly article

The recent NIR Flare of the Blazar CTA102

scientific article published in January 2018

The very large NIR flare of the Blazar CGRaBs J0510+1800

scientific article published in January 2015

The very large NIR flare of the Blazar CGRaBs J1058+0133

scientific article published in January 2015

Turin-SyCAT: A multifrequency catalog of Seyfert galaxies

scientific article published in March 2022

Two New Catalogs of Blazar Candidates in the WISE Infrared Sky

article by Raffaele D'Abrusco et al published 8 May 2019 in The Astrophysical Journal Supplement Series

Unveiling the nature of INTEGRAL objects through optical spectroscopy

scientific article published in Astronomy and Astrophysics

Unveiling the nature of INTEGRAL objects through optical spectroscopy

Unveiling the nature of INTEGRAL objects through optical spectroscopy. VII. Identification of 20 galactic and extragalactic hard X-ray sources

scientific article

Unveiling the nature of INTEGRAL objects through optical spectroscopy. VIII. Identification of 44 newly detected hard X-ray sources

scientific article published in Astronomy and Astrophysics

Very high energy {gamma}-rays from the universe's middle age: detection of the z = 0.940 blazar PKS 1441+25 with MAGIC

scientific article

Yet another Giant NIR flare of the FSRQ PKS 2032+107

scientific article published in January 2015

Yet another NIR Flare of the Blazar HB89 0716+714

scientific article published in January 2016