activity
20022026
most citedVLTI/AMBER spectro-interferometry of the Herbig Be star MWC 297 with spectral resolution 12 000

71 citations · 176 across the 11 of their papers we have counts for

collaborators

12 papers

astro-ph.SR2026

Detection of pulsations and a non-stable wind in IRAS 01005+7910, an object with the B[e]-phenomenon

Anatoly S. Miroshnichenko, Valentina G. Klochkova, Vladimir E. Panchuk +1

Comparison of the spectra obtained at different observing dates shows significant variations in the complex H and H line profiles, such as a systematic increase in their emis…

astro-ph.SR2025

B[e]-star CI Cam: a high-resolution spectrum atlas in the range of 395780 nm

Valentina G. Klochkova, Anatoly S. Miroshnichenko, Victoria N. Komarova +1

The atlas of the spectrum of the B[e] star CI Cam obtained with the 6-meter BTA telescope in combination with the NES spectrograph in the wavelength interval of 395780 nm with a…

astro-ph.SR2025

The Unexplored Dusty Nova LMCN 2009-05a in the Large Magellanic Cloud

Mohit Singh Bisht, A. Raj, F. M. Walter +4

We present a detailed spectrophotometric study of nova LMCN 2009-05a, located in the Large Magellanic Cloud (LMC). Photometric observations reveal a dust dip in the optical light c…

astro-ph.SR2024

Long-term optical spectroscopy of B[e] star CI Cam in a quiet state

Valentina G. Klochkova, Anatoly S. Miroshnichenko, Vladimir E. Panchuk

High-resolution optical spectra of the B[e] star CI Cam were obtained on arbitrary dates 2002-2023 using the echelle spectrograph NES of the 6-m BTA telescope. The temporal variabi…

astro-ph.SR2016★ 3 cited

Effective temperature and radial velocity of the small-amplitude Cepheid Polaris (alpha UMi) in 2015

I. A. Usenko, V. V. Kovtyukh, A. S. Miroshnichenko +1

We present the results of an analysis of 21 spectra of alpha UMi (Polaris) obtained in September - December 2015. Frequency analysis shows an increase of the pulsation period up to…

astro-ph.SR2015★ 14 cited

Hypergiant V1302 Aql in 2001-2014

Klochkova Valentina, Chentsov Eugene, Miroshnichenko Anatoly +2

We present the results of a study of spectral features and the velocity field in the atmosphere and the circumstellar envelope of the hypergiant V1302 Aql, the optical counterpart…

astro-ph.SR2015★ 1 cited

H line as an indicator of envelope presence around the Cepheid Polaris Aa ()

I. A. Usenko, A. S. Miroshnichenko, V. G. Klochkova +1

We present the results of the radial velocity () measurements of metallic lines as well as H (H) obtained in 55 high-resolution spectra of the Cepheid UMi (Polaris…

astro-ph.SR2013

Spectroscopy of the mysterious Be system FF Cam

T. Garrel, A. S. Miroshnichenko, S. Danford +4

FF Cam is a variable star near the North celestial pole with hydrogen lines in emission. Its optical variability of ~0.3 mag was discovered by HIPPARCOS. The spectral type assigned…

astro-ph.SR2012★ 31 cited

Discovery of two new Galactic candidate luminous blue variables with WISE

V. V. Gvaramadze, A. Y. Kniazev, A. S. Miroshnichenko +28

We report the discovery of two new Galactic candidate luminous blue variable (cLBV) stars via detection of circular shells (typical of known confirmed and cLBVs) and follow-up spec…

astro-ph.SR2011★ 71 cited

VLTI/AMBER spectro-interferometry of the Herbig Be star MWC 297 with spectral resolution 12 000

G. Weigelt, V. P. Grinin, J. H. Groh +12

Circumstellar disks and outflows play a fundamental role in star formation. Infrared spectro-interferometry allows the inner accretion-ejection region to be resolved. We measured i…

astro-ph.SR2010★ 21 cited

Spectral variability of the peculiar A-type supergiant 3Pup

Eugenij Chentsov, Valentina Klochkova, Anatoly Miroshnichenko

Optical spectra of the peculiar supergiant 3Pup taken in 1997-2008 are used to analyze the spectral peculiarities and velocity field in its atmosphere. The profiles of strong FeII…

astro-ph2002★ 35 cited

Bispectrum speckle interferometry of the B[e] star MWC 349A

K. -H. Hofmann, Y. Balega, N. R. Ikhsanov +2

We present the results of bispectrum speckle interferometry of the B[e] star MWC 349A obtained with the SAO 6m telescope. Our diffraction-limited J-, H-, and K-band images (resolut…