27 citations · 112 across the 7 of their papers we have counts for
7 papers
Magnetic Fields of CP Stars in the OrionOB1 Association. IV. Stars of Subgroup 1b
I. I. Romanyuk, E. A. Semenko, A. V. Moiseeva +2
The paper presents magnetic field measurements for 15 chemically peculiar (CP) stars of subgroup~1b in the OrionOB1 association. We have found that the proportion of stars with str…
Binary Stars in the Orion OB1 Association, Subgroup
E. A. Semenko, I. I. Romanyuk, I. A. Yakunin +2
A detailed spectroscopic survey of chemically peculiar (CP) stars in the Orion OB1 association is the most comprehensive observational program in the field of stellar magnetism tha…
The variation of the magnetic field of the Ap star HD~50169 over its 29 year rotation period
G. Mathys, I. I. Romanyuk, S. Hubrig +5
Context. The Ap stars that rotate extremely slowly, with periods of decades to centuries, represent one of the keys to the understanding of the processes leading to the differentia…
Results of Magnetic Field Measurements Performed with the 6-m Telescope. IV. Observations in 2010
I. I. Romanyuk, E. A. Semenko, D. O. Kudryavtsev +2
We present the results of measurements of magnetic fields, radial velocities and rotation velocities for 92 objects, mainly main-sequence chemically peculiar stars. Observations we…
HD 18078: A very slowly rotating Ap star with an unusual magnetic field structure
G. Mathys, I. I. Romanyuk, D. O. Kudryavtsev +3
Context. The existence of a significant population of Ap stars with very long rotation periods (up to several hundred years) has progressively emerged over the past two decades. Ho…
On the Discovery of Strong Magnetic Field in HD 34736 Binary System
E. A. Semenko, I. I. Romanyuk, D. O. Kudryavtsev +1
We present the results of a study of the star HD 34736. The spectropolarimetric observations carried out at the 6-m telescope showed the presence of a strong variable longitudinal…