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57 papers · 1 filter
Accurate photometry with digitized photographic plates of the Moscow collection
K. V. Sokolovsky, A. M. Zubareva, D. M. Kolesnikova +3
Photographic plate archives contain a wealth of information about positions and brightness celestial objects had decades ago. Plate digitization is necessary to make this informati…
Relation between parameters of dust and parameters of molecular and atomic gas in extragalactic star-forming regions
K. I. Smirnova, M. S. Murga, D. S. Wiebe +1
The relationships between atomic and molecular hydrogen and dust of various sizes in extragalactic star-forming regions are considered, based on observational data from the Spitzer…
Star-forming complexes in the polar ring galaxy NGC660
K. I. Smirnova, D. S. Wiebe, A. V. Moiseev
Galaxies with polar rings consist of two subsystems, a disk and a ring, which rotate almost in orthogonal planes. In this paper, we analyze the parameters characterizing the compos…
Multi-wavelength observations of planet forming disks: Constraints on planet formation processes
Inga Kamp, Stefano Antonellini, Andres Carmona +2
Our understanding of protoplanetary disks has greatly improved over the last decade due to a wealth of data from new facilities. Unbiased dust surveys with Spitzer leave us with go…
Spotted surface structure of the active giant PZ Mon
Yu. V. Pakhomov, K. A. Antonyuk, N. I. Bondar' +3
Based on our photometric observations in 2015-2016 and archival photometric data for the active red giant PZ Mon, we have found the main characteristics of the stellar surface: the…
The close circumstellar environment of Betelgeuse - V. Rotation velocity and molecular envelope properties from ALMA
Pierre Kervella, Leen Decin, Anita M. S. Richards +6
We observed Betelgeuse using ALMA's extended configuration in band 7 (f~340 GHz, λ~0.88 mm), resulting in a very high angular resolution of 18 mas. Using a solid body rotation mode…