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Showing 1-17 of 17 results
  1. HD 4915 at the Beginning of Maunder Minimum of Activity

    Abstract

    Based on the available photometric data spanning almost 8000 days (21.9 years) of observations of a bright G5 V dwarf, solar-type star...

    I. S. Savanov, E. S. Dmitrienko, ... V. V. Sasyuk in Astrophysical Bulletin
    Article 01 June 2023
  2. Instrumental methods for professional and amateur collaborations in planetary astronomy

    Amateur contributions to professional publications have increased exponentially over the last decades in the field of planetary astronomy. Here we...

    O. Mousis, R. Hueso, ... T. Widemann in Experimental Astronomy
    Article 30 July 2014
  3. Catalogue of Minor Planet Names and Discovery Circumstances

    Discovered 1801 Jan. 1 by G. Piazzi at Palermo. (* MC 3, 604) Named after the Roman goddess of corn and harvests, daughter of Rhea {see planet (577)}...
    Dr. Lutz D. Schmadel in Dictionary of Minor Planet Names
    Chapter 2012
  4. Search for and study of hot circumstellar dust envelopes

    Long-term (1984–2008) JHKLM photometry for 254 objects is presented. The observations were carried out in the standard JHKLM photometric system using...

    V. I. Shenavrin, O. G. Taranova, A. E. Nadzhip in Astronomy Reports
    Article 18 January 2011
  5. Catalogue of Minor Planet Names and Discovery Circumstances

    Title page of Giuseppe Piazzi’s book “On the discovery of the new planet CERES FERDINANDEA, the eighth of those known in our solar system”. The...
    Lutz D. Schmadel in Dictionary of Minor Planet Names
    Chapter 2009
  6. Spectroscopic monitoring of V1357 Cyg = Cyg X-1 in 2002–2004

    We discuss the results of optical spectroscopic monitoring of Cyg X-1 = HDE 226868/V1357 Cyg in 2002–2004. Our spectroscopy was carried out at the...

    E. A. Karitskaya, N. G. Bochkarev, ... V. V. Shimanskii in Astronomy Reports
    Article 21 May 2008
  7. Determinations of high-precision effective temperatures for giants based on spectroscopic criteria

    Spectral lines with high and low excitation potentials respond differently to changes of the effective temperature ( T eff ), making the ratio of their...

    V. V. Kovtyukh, T. V. Mishenina, ... L. E. Kantsen in Astronomy Reports
    Article 01 February 2006
  8. Chemical composition of 15 photometric analogues of the Sun

    The results of a spectroscopic analysis of 15 stars that are photometric analogues of the Sun are reported. The effective temperatures and surface...

    A. I. Galeev, I. F. Bikmaev, ... G. A. Galazutdinov in Astronomy Reports
    Article 01 June 2004
  9. How to use this directory

    A search for information in the directory would normally begin with consultation of the three-level index located at the end the volume (yellow...
    André Heck in StarGuides Plus
    Chapter 2004
  10. Planetary System

    G. Burkhardt, U. Esser, ... G. Zech in Literature 1991, Part 2
    Chapter 1992
  11. The light curve variations in AR Lacertae

    The eclípsing binary AR Lac has been observed in two colours, B and V , in 1980 and 1981. The new times of minimal obtained during the observatons...

    A. Y. Ertan, O. Tumer, ... S. Evren in Astrophysics and Space Science
    Article 01 October 1982
  12. The RS CVn Binaries and Binaries with Similar Properties

    This paper will review reasonably thoroughly and comprehensively the many observational properties of the remarkable RS CVn-type binaries. In...
    Conference paper 1976
  13. Stars

    S. Böhme, U. Esser, ... G. Zech in Literature 1974, Part 2
    Chapter 1975
  14. Photometry of the minima of TX Herculis

    Three epochs of primary and four epochs of secondary minima of TX Her were determined from photoelectric observations made between 1968 and 1973. The...

    Gustav A. Bakos, Jozef Tremko in Astrophysics and Space Science
    Article 01 December 1974
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