Search Results - "PAVLENKO, Y. V"

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    Four ultra-short-period eclipsing M-dwarf binaries in the WFCAM Transit Survey by Nefs, S. V., Birkby, J. L., Snellen, I. A. G., Hodgkin, S. T., Pinfield, D. J., Sipőcz, B., Kovacs, G., Mislis, D., Saglia, R. P., Koppenhoefer, J., Cruz, P., Barrado, D., Martin, E. L., Goulding, N., Stoev, H., Zendejas, J., del Burgo, C., Cappetta, M., Pavlenko, Y. V.

    “…Abstract We report on the discovery of four ultra-short-period (P ≤ 0.18 d) eclipsing M-dwarf binaries in the Wide-Field Camera (WFCAM) Transit Survey. Their…”
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    Journal Article
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    Benchmark cool companions: ages and abundances for the PZ Telescopii system by Jenkins, J. S., Pavlenko, Y. V., Ivanyuk, O., Gallardo, J., Jones, M. I., Day-Jones, A. C., Jones, H. R. A., Ruiz, M. T., Pinfield, D. J., Yakovina, L.

    “…We present new ages and abundance measurements for the pre-main-sequence star PZ Telescopii (more commonly known as PZ Tel). PZ Tel was recently found to host…”
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  3. 3

    Quantitative Analysis of the Spectrum of HD 108564 by Pavlenko, Y. V.

    Published in Kinematics and physics of celestial bodies (01-12-2022)
    “…A quantitative analysis of the spectrum of HD 108564 is performed. It is a star of the main sequence of spectral class K5V, the atmosphere of which is depleted…”
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    Ozone columns obtained by ground-based remote sensing in Kiev for Aura Ozone Measuring Instrument validation by Shavrina, A. V., Pavlenko, Y. V., Veles, A., Syniavskyi, I., Kroon, M.

    “…Ground‐based observations with a Fourier transform spectrometer in the infrared region (FTIR) were performed in Kiev (Ukraine) during the time frames…”
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    Isotopic ratios in the red giant component of the recurrent nova T Coronae Borealis by Pavlenko, Y V, Evans, A, Banerjee, D P K, Geballe, T R, Munari, U, Gehrz, R D, Woodward, C E, Starrfield, S

    “…ABSTRACT We report the determination of abundances and isotopic ratios for C, O, and Si in the photosphere of the red giant (RG) component of the recurrent…”
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    Improved HCN/HNC linelist, model atmospheres and synthetic spectra for WZ Cas by Harris, G. J., Tennyson, J., Kaminsky, B. M., Pavlenko, Ya. V., Jones, H. R. A.

    “…We build an accurate data base of 5200 HCN and HNC rotation-vibration energy levels, determined from existing laboratory data. 20 000 energy levels in the…”
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    A HOT URANUS ORBITING THE SUPER METAL-RICH STAR HD 77338 AND THE METALLICITY-MASS CONNECTION by Jenkins, J S, Jones, H R A, Tuomi, M, MURGAS, F, Hoyer, S, Jones, M I, Barnes, J R, Pavlenko, Y V, IVANYUK, O, Rojo, P, Jordan, A, Day-Jones, A C, Ruiz, M T, Pinfield, D J

    Published in The Astrophysical journal (01-04-2013)
    “…We announce the discovery of a low-mass planet orbiting the super metal-rich K0V star HD 77338 as part of our ongoing Calan-Hertfordshire Extrasolar Planet…”
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    Experimental Ti i oscillator strengths and their application to cool star analysis by Blackwell-Whitehead, R. J., Lundberg, H., Nave, G., Pickering, J. C., Jones, H. R. A., Lyubchik, Y., Pavlenko, Y. V., Viti, S.

    “…We report experimental oscillator strengths for 88 Ti i transitions covering the wavelength range 465–3892 nm, 67 of which had no previous experimental values…”
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  12. 12

    The spectroscopic study of M8.5-M9.5 stars and brown dwarfs by Kuznetsov, M.K., Pavlenko, Y.V., Galvez-Ortiz, M.C.

    Published in EPJ Web of conferences (01-01-2013)
    “…We present high-resolution spectra analysis of the three late-M dwarfs LP944-20, SIPS J2045-6332 and DENIS-P J0021.0-4244. The stellar spectra were observed…”
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  13. 13

    Theoretical modelling of optical and IR spectra of brown dwarfs and ultracool dwarfs by Pavlenko, Y. V.

    Published in Astronomische Nachrichten (01-12-2005)
    “…The current state of theoretical modelling of the spectra of cool dwarfs and ultracool objects are discussed. Fits of synthetical spectral energy distributions…”
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  14. 14

    Masses, Oxygen and Carbon abundances in CHEPS dwarf stars by Pavlenko, Y. V, Kaminsky, B. M, Jenkins, J. S, Ivanyuk, O. M, Jones, H. R. A, Lyubchik, Yu. P

    Published 19-11-2018
    “…A&A 621, A112 (2019) Context. We report the results from the determination of stellar masses, carbon and oxygen abundances in the atmospheres of 107 stars from…”
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    New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search by Jenkins, J. S, Jones, H. R. A, Tuomi, M, Díaz, M, Cordero, J. P, Aguayo, A, Pantoja, B, Arriagada, P, Mahu, R, Brahm, R, Rojo, P, Soto, M. G, Ivanyuk, O, Yoma, N. Becerra, Day-Jones, A. C, Ruiz, M. T, Pavlenko, Y. V, Barnes, J. R, Murgas, F, Pinfield, D. J, Jones, M. I, López-Morales, M, Shectman, S, Butler, R. P, Minniti, D

    Published 02-11-2016
    “…We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and…”
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    Old Stars in Young Clusters: Lithium-depleted Low-Mass Stars of the Orion Nebula Cluster by Palla, F, Randich, S, Pavlenko, Ya. V, Flaccomio, E, Pallavicini, R

    Published in The Astrophysical journal (10-04-2007)
    “…We measured lithium in a sample of low-mass stars (60.1-0.3 M sub((m=o.))) of the Orion Nebula cluster. We find evidence for significant Li depletion in four…”
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    Four ultra-short period eclipsing M-dwarf binaries in the WFCAM Transit Survey by Nefs, S. V, Birkby, J. L, Snellen, I. A. G, Hodgkin, S. T, Pinfield, D. J, Sipocz, B, Kovacs, G, Mislis, D, Saglia, R. P, Koppenhofer, J, Cruz, P, Barrado, D, Martin, E. L, Goulding, N, Stoev, H, Zendejas, J, del Burgo, C, Cappetta, M, Pavlenko, Y. V

    Published 06-06-2012
    “…We report on the discovery of four ultra-short period (P<0.18 days) eclipsing M-dwarf binaries in the WFCAM Transit Survey. Their orbital periods are…”
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    Journal Article