Results 21 to 30 of about 28,753 (238)

A plethora of new, magnetic chemically peculiar stars from LAMOST DR4 [PDF]

Astronomy & Astrophysics, 2020
Context. Magnetic chemically peculiar (mCP) stars are important to astrophysics because their complex atmospheres lend themselves perfectly to the investigation of the interplay between such diverse phenomena as atomic diffusion, magnetic fields, and ...
S. Huemmerich, E. Paunzen, K. Bernhard
semanticscholar   +1 more source

Multiplicity of Chemically Peculiar Stars [PDF]

, 2007
7 pages, 4 figures, to appear in the Proceedings of the ESO Workshop "Multiple Stars across the H-R Diagram"
Hubrig, S., Ageorges, N., Schoeller, M.
openaire   +2 more sources

GHOST Commissioning Science Results: Identifying a New Chemically Peculiar Star in Reticulum II [PDF]

Astrophysical Journal, 2023
The Gemini High-resolution Optical SpecTrograph (GHOST) is the newest high-resolution spectrograph to be developed for a large-aperture telescope, recently deployed and commissioned at the Gemini-South telescope.
C. Hayes, K. Venn, F. Waller, Jaclyn Jensen, A. McConnachie, J. Pazder, F. Sestito, A. Anthony, G. Baker, J. Bassett, J. Bento, Trystyn A. M. Berg, G. Burley, J. Brzeski, S. Case, Edward L. Chapin, T. Chin, E. Chisholm, V. Churilov, A. Densmore, R. Díaz, J. Dunn, M. Edgar, T. Farrell, V. Firpo, J. Fitzsimmons, J. Font-Serra, J. Fuentes, Colin Ganton, M. Gomez-Jimenez, T. Hardy, D. Henderson, Alexis Hill, B. Hoff, M. Ireland, V. Kalari, Neal Kelly, U. Klauser, Yuriy Kondrat, K. Labrie, S. Lambert, L. Luvaul, J. Lawrence, Jordan J. Lothrop, G. S. Macdonald, S. Mali, S. Margheim, R. McDermid, H. Mcgregor, B. Miller, Felipe Miranda, R. Muller, J. Nielsen, Ryan Norbury, O. Oberdorf, N. Pai, G. Pérez, P. Prado, I. Price, Carlos Quiroz, V. Reshetov, G. Robertson, R. Ruiz-Carmona, R. Salinas, K. Sebo, A. Sheinis, M. Shetrone, K. Shortridge, Kay Silversides, Karleyne Silva, C. Simpson, Greg A. Smith, K. Szeto, J. Tims, E. Toro, C. Urrutia, S. Venkatesan, L. Waller, I. Wevers, Ramunas Wierzbicki, M. White, P. Young, R. Zhelem   +82 more
semanticscholar   +1 more source

A photometric study of chemically peculiar stars with the STEREO satellites – II. Non-magnetic chemically peculiar stars★ [PDF]

Monthly Notices of the Royal Astronomical Society, 2012
22 pages, 7 figures, 3 tables, accepted by ...
Paunzen, E., Wraight, K. T., Fossati, L., Netopil, M., White, G. J., Bewsher, D.   +5 more
openaire   +3 more sources

Studies of Magnetic Chemically Peculiar Stars Using the 6-m Telescope at SAO RAS

Universe, 2021
We present a survey of the most important results obtained in observations with the 6-m telescope in the studies of magnetic fields of chemically peculiar stars.
I. Romanyuk
semanticscholar   +1 more source

Magnetic chemically peculiar stars investigated by the Solar Mass Ejection Imager [PDF]

, 2021
E. Paunzen,1★ J. Supíková,1,2 K. Bernhard,3,4 S. Hümmerich,3,4 M. Prišegen1 1Department of Theoretical Physics and Astrophysics, Masaryk University, Kotlářská 2, CZ 611 37 Brno, Czech Republic 2Faculty of Informatics, Masaryk University, Brno, Czech ...
E. Paunzen, J. Šupíková, K. Bernhard, S. Huemmerich, M. Prišegen   +4 more
semanticscholar   +1 more source

New magnetic chemically peculiar stars [PDF]

Monthly Notices of the Royal Astronomical Society, 2006
Our observations with the 6-m telescope revealed six new magnetic chemically peculiar (CP) stars among objects with large depressions in the continuum: HDE 293764, BD+17°3622, HD 169887, HDE 231054, HDE 338226, and HDE 343872. The presence of a magnetic field is suspected in several other CP stars.
D. O. Kudryavtsev, I. I. Romanyuk, V. G. Elkin, E. Paunzen   +3 more
openaire   +1 more source

HVS 7: a chemically peculiar hyper-velocity star [PDF]

Astronomy & Astrophysics, 2008
Context: Hyper-velocity stars are suggested to originate from the dynamical interaction of binary stars with the supermassive black hole in the Galactic centre (GC), which accelerates one component of the binary to beyond the Galactic escape velocity. Aims: The evolutionary status and GC origin of the HVS SDSS J113312.12+010824.9 (HVS7) is constrained ...
Przybilla, N., Nieva, M. F., Tillich, A., Heber, U., Butler, K., Brown, W. R.   +5 more
openaire   +2 more sources

Horizontal flows in the atmospheres of chemically peculiar stars [PDF]

Astronomy & Astrophysics
Classical chemically peculiar stars exhibit atmospheres that are often structured by the effects of atomic diffusion. As a result of these elemental diffusion and horizontal abundance variations, the photospheric temperature varies at a given height in ...
A. ud-Doula, J. Krtička, B. Kub'atov'a
semanticscholar   +1 more source

Chemically peculiar stars on the pre-main sequence [PDF]

Astronomy & Astrophysics
The chemically peculiar (CP) stars of the upper main sequence are defined by spectral peculiarities that indicate unusual elemental abundance patterns in the presence of diffusion in the calm, stellar atmospheres.
L. Kueß, E. Paunzen, N. Faltov'a, D. Jadlovsk'y, M. Labaj, M. Mesarvc, P. Mondal, M. Privsegen, T. Ramezani, J. Sup'ikov'a, K. Svavcinkov'a, M. V'itkov'a, C. Xia, K. Bernhard, S. D. O. Astrophysics, V. University, Vienna, M Austria, D. Physics, Astrophysics, Masaryk University, Brno, Czechia, Advanced Technologies Research Institute, Faculty of Computer Science, Technology in Trnava, S. Bratislava, Slovakia, Institute of Computer Science, Bundesdeutsche Arbeitsgemeinschaft fur Veranderliche Sterne e.V., Berlin, Germany, American Association of Variable Star Observers, Cambridge, Usa   +34 more
semanticscholar   +1 more source