Search Publications
Heating of multi-species upflowing ion beams observed by Cluster on March 28, 2001
Xie, Lun; Fu, SuiYan; Sun, WeiJie +9 more
Gaia's living and breathing Galaxy
Belokurov, Vasily
The recent data release from the Gaia space observatory is already changing our understanding of the evolution of our Galaxy.
Ils radiographient le cosmos depuis vingt ans
Nazé, Yaël
Two decades of X-ray discoveries by Chandra and XMM.
Long-term spectroscopic survey of T Tauri stars in the Taurus-Auriga star-forming region
Kundra, E.; Budaj, J.; Guenther, E. +5 more
Long-term spectroscopic monitoring of 22 T Tauri stars located in the Taurus-Auriga star-forming region (SFR) is presented. The medium and high-dispersion spectra were obtained at the Stará Lesná (SLO), Skalnaté Pleso (SPO) and Tautenburg observatory (TLS) during 2015—2018. The broadening function technique was used to determine the radial and pro…
Erratum to "Observations of the chemical and thermal response of 'ring rain' on Saturn's ionosphere" [ICARUS 322 (2019) 251-260]
Baines, Kevin H.; O'Donoghue, James; Moore, Luke +4 more
The publisher regrets the error in publication date shown on this article. The accepted version of this article was published on 17 December 2018, coinciding with its press release date.
New Photometric Investigation of the Solar-Type Shallow-Contact Binary HH Bootis
He, Jia-jia; Wang, Jing-jing
Four-color charge-coupled device (CCD) light curves in $B$, $V$, $Rc$ and $Ic$ bands of the total-eclipsing binary system, V1853 Ori, are presented. By comparing our light curves with those published by previous investigators, it is detected that the O'Connell effect on the light curves is disappeared. By analyzing those multi-color light curves w…
The eastern & western elongations of Venus, 2007-'17. I. The sunlit hemisphere
McKim, R. J.; Abel, P.; Leatherbarrow, W. J.
Fourteen successive morning and evening elongations of Venus from 2007-2017 are reviewed. The work of 153 observers covered the time period of ESA's Venus Express and Japan's Akatsuki missions, and wavelengths from 335-1750nm. The instantaneous rotation period of the ultraviolet markings was studied as a function of latitude, and the results compa…
Second Outburst of the Yellow Symbiotic Star LT Delphini
Arkhipova, V. P.; Ikonnikova, N. P.; Komissarova, G. V.
We present the results of our photoelectric UBV observations of the yellow symbiotic star LT Del over 2010-2018. The binary system LT Del, which consists of a bright K giant and a compact hot star with a temperature of 100 000 K, has an orbital period of 476 days. In 2017 the variable experienced a second low-amplitude (Δ V 0 ṃ 7) outbu…
Ground-based Paα narrow-band imaging of local luminous infrared galaxies. II. Bulge structure and star formation activity
Komugi, Shinya; Takahashi, Hidenori; Doi, Mamoru +8 more
We present properties of two types of bulges (classical and pseudobulges) in 20 luminous infrared galaxies observed in the near infrared of the H, Ks, and 1.91µm narrow-band targeting of the hydrogen Paα emission line by the University of Tokyo Atacama Observatory 1 m telescope. To classify the two types of bulges, we first perfor…
Probabilistic galeeactic dynamics - I. The Sun and GJ 710 with Monte Carlo, linearized, and unscented treatments
Jones, H. R. A.; Feng, F.
Deterministic galactic dynamics is impossible due to a lack of precise knowledge of the initial conditions and galactic potential. Instead of treating stellar orbits deterministically, we integrate not only the mean but also the covariance of a stellar orbit in the Galaxy. As a test case, we study the probabilistic dynamics of the Sun and the star…