Works matching DE "VARIABLE stars"

Results: 848

Quantitative Analysis of the Spectra of CQ Tau and UX Ori Stars Outside Eclipses According to the Nordic Optical Telescope Data.

Published in:

Astrophysics, 2024, v. 67, n. 4, p. 463, doi. 10.1007/s10511-025-09845-6

By:

Dimitrieva, P.;
Kozlova, O. V.

Publication type:

Article

Activity of the Spectral Class K2V Dwarf HD 189733 in a Hot-Jupiter Type Exoplanet.

Published in:

Astrophysics, 2024, v. 67, n. 2, p. 140, doi. 10.1007/s10511-024-09824-3

By:

Savanov, I. S.

Publication type:

Article

Photometric and Spectral Studies of a Group of Wolf-Rayet Galactic Stars. II. WC and WO Sequences.

Published in:

Astrophysics, 2024, v. 67, n. 1, p. 9, doi. 10.1007/s10511-024-09812-7

By:

Kondratyeva, L. N.;
Reva, I. V.;
Denissyuk, E. K.;
Shomshekova, S. A.;
Aimanova, A. K.

Publication type:

Article

Photometric and Spectral Studies of the Group of Galactic Wolf-Rayet Stars. I. WN Sequence.

Published in:

Astrophysics, 2023, v. 66, n. 4, p. 485, doi. 10.1007/s10511-024-09805-6

By:

Kondratyeva, L. N.;
Reva, I. V.;
Denissyuk, E. K.;
Shomshekova, S. A.;
Aimanova, G. K.

Publication type:

Article

TYC 1417-891-1 and TYC 1478-742-1: Eclipsing Variable Stars. The Gaia EDR3 and TESS Photometric Data.

Published in:

Astrophysics, 2023, v. 66, n. 2, p. 194, doi. 10.1007/s10511-023-09781-3

By:

Gigoyan, K. K.;
Gigoyan, K. S.;
Sarkissian, A.;
Meftah, M.;
Kostandyan, G. R.;
Rahmatullaeva, F.

Publication type:

Article

Study of the Rapid Variability of the BL Lac Object MRK 421 in the Optical Range.

Published in:

Astrophysics, 2022, v. 65, n. 1, p. 1, doi. 10.1007/s10511-022-09718-2

By:

Sukharev, A.;
Ryabov, M.;
Bezrukovs, V.;
Ul'yanov, O.;
Udovichenko, S.;
Keir, L.;
Dubovskii, P.;
Kudzej, I.;
Konovalenko, A.;
Zakharenko, V.;
Bakun, D.;
Eglitis, I.

Publication type:

Article

Active Stage of the Symbiotic Object MWC 560, 2018-2021.

Published in:

Astrophysics, 2021, v. 64, n. 3, p. 306, doi. 10.1007/s10511-021-09691-2

By:

Kondratyeva, L. N.;
Reva, I. V.;
Aimanova, A. K.;
Shomshekova, S. A.;
Krugov, M. A.

Publication type:

Article

Photometric and Spectral Study of the Be/X-Ray Binary Object V725 Tau=A0535+262.

Published in:

Astrophysics, 2020, v. 63, n. 3, p. 367, doi. 10.1007/s10511-020-09642-3

By:

Kondratyeva, L. N.;
Denissyuk, E. K.;
Reva, I. V.;
Krugov, M. A.;
Aimanova, G. K.;
Kusakin, A. V.;
Omar, B. K.

Publication type:

Article

Semiregular Variable Stars.

Published in:

Astrophysics, 2019, v. 62, n. 4, p. 556, doi. 10.1007/s10511-019-09604-4

By:

Kudashkina, L. S.

Publication type:

Article

Investigation of Long-Period Variables in the Catalina Southern Catalog: New Carbon Stars and False Objects.

Published in:

Astrophysics, 2019, v. 62, n. 2, p. 202, doi. 10.1007/s10511-019-09574-7

By:

Mauron, N.;
Gigoyan, K. S.;
Gigoyan, K. K.;
Maurin, L. P. A.;
Kendall, T. R.

Publication type:

Article

New Variable Stars in the KP2001 Catalog from the Data Base of the Northern Sky Variability Survey.

Published in:

Astrophysics, 2018, v. 61, n. 1, p. 50, doi. 10.1007/s10511-018-9515-z

By:

Petrosyan, G. V.

Publication type:

Article

Photometric Studies of Stars in the Vicinity of Cyg OB7.

Published in:

Astrophysics, 2017, v. 60, n. 4, p. 520, doi. 10.1007/s10511-017-9503-8

By:

Melikian, N.;
Gomez, J.

Publication type:

Article

Photometric Period of the Star PZ Mon.

Published in:

Astrophysics, 2017, v. 60, n. 3, p. 365, doi. 10.1007/s10511-017-9490-9

By:

Antonyuk, K.;
Bondar', N.;
Pit', N.

Publication type:

Article

New Hα Emission Stars in Cep OB3 Region. A Rapid Brightness Variation of V 733 Cep.

Published in:

Astrophysics, 2014, v. 57, n. 4, p. 500, doi. 10.1007/s10511-014-9353-6

By:

Melikian, N.;
Gomez, J.;
Karapetian, A.

Publication type:

Article

Uncovering Periods in Astronomical Time Series With Few Data.

Published in:

Astrophysics, 2014, v. 57, n. 1, p. 146, doi. 10.1007/s10511-014-9321-1

By:

Cardona, O.;
Lópes-Castillo, M.;
Reyes-Muñoz, M.

Publication type:

Article

Multicolor photometry of the dwarf nova HS 0218 + 3229.

Published in:

Astrophysics, 2012, v. 55, n. 2, p. 208, doi. 10.1007/s10511-012-9229-6

By:

Golysheva, P.;
Antipin, S.;
Zharova, A.;
Katysheva, N.;
Chochol, D.;
Shugarov, S.

Publication type:

Article

The variable star SBS 0150+339.

Published in:

Astrophysics, 2011, v. 54, n. 1, p. 143, doi. 10.1007/s10511-011-9166-9

By:

Erastova, L.

Publication type:

Article

On the variability of emission spectrum of the Sy2 galaxy Mark 6.

Published in:

Astrophysics, 2011, v. 54, n. 1, p. 26, doi. 10.1007/s10511-011-9155-z

By:

Khachikian, E.;
Asatrian, N.;
Burenkov, A.

Publication type:

Article

Microvariability and fast variability of stars. I. standard stars.

Published in:

Astrophysics, 2010, v. 53, n. 4, p. 511, doi. 10.1007/s10511-010-9143-8

By:

Ruban, E.;
Arkharov, A.

Publication type:

Article

Near comparison stars for RY Tauri.

Published in:

Astrophysics, 2010, v. 53, n. 4, p. 573, doi. 10.1007/s10511-010-9150-9

By:

Zajtseva, G.

Publication type:

Article

Spectral observations of the eclipsing binary RY Sct.

Published in:

Astrophysics, 2010, v. 53, n. 2, p. 202, doi. 10.1007/s10511-010-9112-2

By:

Melikian, N. D.;
Tamazian, V. S.;
Docobo, J. A.;
Karapetian, A. A.;
Kostandian, G. R.;
Samsonian, A. L.

Publication type:

Article

FBS 2213+421, an extremely red object with C-rich characteristics.

Published in:

Astrophysics, 2009, v. 52, n. 3, p. 451, doi. 10.1007/s10511-009-9077-1

By:

Gigoyan, K. S.;
Russeil, D.;
Sarkissian, A.;
Sargsyan, L. A.

Publication type:

Article

Physical parameters of the semiregular variable red giant 2 Cen.

Published in:

Astrophysics, 2009, v. 52, n. 3, p. 383, doi. 10.1007/s10511-009-9075-3

By:

Ruban, E. V.;
Arkharov, A. A.;
Hagen-Thorn, E. I.;
Novikov, V. V.

Publication type:

Article

UBVRI photometry and polarimetry of the young eclipsing binary EK Cep.

Published in:

Astrophysics, 2009, v. 52, n. 1, p. 103, doi. 10.1007/s10511-009-9048-6

By:

Antonyuk, K. A.;
Rostopchina, A. N.

Publication type:

Article

Spectral and photometric observations of the star Y Ori.

Published in:

Astrophysics, 2008, v. 51, n. 4, p. 482, doi. 10.1007/s10511-008-9040-6

By:

Melikian, N. D.;
Tamazian, V. S.

Publication type:

Article

Indicator of a forthcoming light minimum in a star with R Coronae Borealis type variability.

Published in:

Astrophysics, 2007, v. 50, n. 4, p. 500, doi. 10.1007/s10511-007-0046-2

By:

Rosenbush, A. É

Publication type:

Article

Physical parameters of the continuum emission layer of Mira type stars. II. Radii and expansion velocities.

Published in:

Astrophysics, 2007, v. 50, n. 4, p. 460, doi. 10.1007/s10511-007-0043-5

By:

Ruban, E. V.;
Arkharov, A. A.;
Hagen-Thorn, E. I.;
Puzakova, T. Yu

Publication type:

Article

Physical parameters of the continuum emission layer of Mira-type stars. I. Spectrophotometric temperatures.

Published in:

Astrophysics, 2007, v. 50, n. 3, p. 341, doi. 10.1007/s10511-007-0033-7

By:

Ruban, E. V.;
Arkharov, A. A.;
Hagen-Thorn, E. I.;
Puzakova, T. Yu.

Publication type:

Article

Capture radius and synchronization of the white dwarf in the unique magnetic cataclysmic system V1432 Aql.

Published in:

Astrophysics, 2007, v. 50, n. 1, p. 105, doi. 10.1007/s10511-007-0012-z

By:

Andronov, I. l.;
Baklanov, A. V.

Publication type:

Article

Variability of long-period pulsating stars. III. Changes in the parameters of humps at the ascending branch.

Published in:

Astrophysics, 2007, v. 50, n. 1, p. 76, doi. 10.1007/s10511-007-0008-8

By:

Marsakova, V. I.;
Andronov, I. L.

Publication type:

Article

Variability of long-period pulsating stars. II. Additional parameters for classifying stars.

Published in:

Astrophysics, 2006, v. 49, n. 4, p. 506, doi. 10.1007/s10511-006-0049-4

By:

Marsakova, V. I.;
Andronov, I. L.

Publication type:

Article

Variability of long-period pulsating stars. I. Methods for analyzing observations.

Published in:

Astrophysics, 2006, v. 49, n. 3, p. 370, doi. 10.1007/s10511-006-0037-8

By:

Andronov, I.;
Marsakova, V.

Publication type:

Article

Observations of the binary star 61 Cyg on the 26 inch refractor at the Pulkovo observatory.

Published in:

Astrophysics, 2006, v. 49, n. 3, p. 386, doi. 10.1007/s10511-006-0038-7

By:

Gorshanov, D.;
Shakht, N.;
Kisselev, A.

Publication type:

Article

Variations in the brightness and polarization of W Cep.

Published in:

Astrophysics, 2006, v. 49, n. 2, p. 164, doi. 10.1007/s10511-006-0017-z

By:

Polyakova, T.

Publication type:

Article

Effect of the star limb darkening law on the probabilities of discovering detached close binary stars as eclipsing variables.

Published in:

Astrophysics, 2006, v. 49, n. 1, p. 131, doi. 10.1007/s10511-006-0014-2

By:

Eretnova, O. V.;
Svechnikov, M. A.;
Ebel, M. A.

Publication type:

Article

Spectral Observations of the Novalike Star TT Ari.

Published in:

Astrophysics, 2004, v. 47, n. 4, p. 462, doi. 10.1023/B:ASYS.0000049783.03703.1b

By:

Melikian, N. D.;
Karapetian, A. A.

Publication type:

Article

Modeling the Eclipsing Binary System VW Cygni.

Published in:

Astrophysics, 2004, v. 47, n. 4, p. 479, doi. 10.1023/B:ASYS.0000049785.89143.cf

By:

Antonyuk, K. A.;
Antokhina, E. A.

Publication type:

Article

Long-Term Spectral Variability of the Herbig Ae-Star HD 179218.

Published in:

Astrophysics, 2004, v. 47, n. 3, p. 287, doi. 10.1023/B:ASYS.0000040157.11939.6d

By:

Kozlova, O.V.

Publication type:

Article

UBVRI Photometry and Polarimetry of the Eclipsing Binary RY Per.

Published in:

Astrophysics, 2004, v. 47, n. 2, p. 143, doi. 10.1023/B:ASYS.0000031829.74116.04

By:

Shakhovskoy, N. M.;
Antonyuk, K. A.

Publication type:

Article

Comparative Analysis of “Exact” and “Approximate” Methods for Estimating the Absolute and Relative Elements of Detached Close Binary Systems.

Published in:

Astrophysics, 2004, v. 47, n. 2, p. 175, doi. 10.1023/B:ASYS.0000031833.39735.3e

By:

Dryomova, G. N.;
Svechnikov, M. A.

Publication type:

Article

T Tauri Stars.

Published in:

Astrophysics, 2003, v. 46, n. 4, p. 506, doi. 10.1023/B:ASYS.0000003267.35552.f7

By:

Petrov, P. P.

Publication type:

Article

Three New Variable Stars.

Published in:

Astrophysics, 2003, v. 46, n. 4, p. 502, doi. 10.1023/B:ASYS.0000003266.19893.37

By:

Kazarian, M. A.;
Petrosian, G. V.

Publication type:

Article

New M-Type Variables in Galactic Dark Clouds.

Published in:

Astrophysics, 2003, v. 46, n. 1, p. 10, doi. 10.1023/A:1022903301313

By:

Melikian, N. D.;
Magnan, C.;
Sarkissian, J. M.;
Karapetian, A. A.

Publication type:

Article

New Variable Stars.

Published in:

Astrophysics, 2003, v. 46, n. 1, p. 24, doi. 10.1023/A:1022907402221

By:

Kazarian, M. A.;
Petrosian, G. V.

Publication type:

Article

Determination of oscillation frequencies and stellar properties of three Delta Scuti variable stars using Kepler data.

Published in:

Journal of the National Science Foundation of Sri Lanka, 2020, v. 48, n. 4, p. 367, doi. 10.4038/jnsfsr.v48i4.9145

By:

Adassuriya, J.;
Jayaratne, K. P. S. C.;
Cooray, P. T. L. V.;
Attygalle, M. L. C.

Publication type:

Article

Meetings diary.

Published in:: Journal of the British Astronomical Association, 2004, v. 114, n. 4, p. 232
Publication type:: Article

Observing eclipsing variables: a beginner's guide.

Published in:

Journal of the British Astronomical Association, 2004, v. 114, n. 4, p. 215

By:

Markham, Tony

Publication type:

Article

Janet Akyüz Mattei (1943--2004).

Published in:

Journal of the British Astronomical Association, 2004, v. 114, n. 3, p. 123

By:

Pickard, Roger

Publication type:

Article

Digitising variable star data - can you help?

Published in:

Journal of the British Astronomical Association, 2004, v. 114, n. 1, p. 8

By:

Pickard, Roger

Publication type:

Article

Observing variable nebulae.

Published in:

Journal of the British Astronomical Association, 2003, v. 113, n. 6, p. 357

By:

Hewitt, Nick

Publication type:

Article