Results 31 to 40 of about 184,861 (296)

Crossmatching of high-proper motion L, T, and Y brown dwarfs with large photometric surveys

open access: yesOpen Astronomy, 2023
L, T, and Y brown dwarf (BD) exploration is a topical issue. First, the transition boundary between planets and BDs is not fully understood yet. Second, there is a phenomenon called the L/T-transition.
Avdeeva Aleksandra S.   +2 more
doaj   +1 more source

Literature for children in the Publishing House of I. P. Ladyzhnikov (Berlin, 1920–1930)

open access: yesБиблиосфера, 2021
The purpose of the article is to fill the gap in the study of such an aspect of the activities of Russian-language foreign publishing houses as the release of literature for children and youth.
A. О. Anisimov
doaj   +1 more source

The Future of Astrometry in Space

open access: yesFrontiers in Astronomy and Space Sciences, 2018
This contribution focuses on the importance of astrometry and on its future developments. Over the centuries astrometry has greatly contributed to the advance of the knowledge of the Universe.
Antonella Vallenari
doaj   +1 more source

HFF-DeepSpace Photometric Catalogs of the 12 Hubble Frontier Fields, Clusters, and Parallels: Photometry, Photometric Redshifts, and Stellar Masses [PDF]

open access: yes, 2018
We present Hubble multi-wavelength photometric catalogs, including (up to) 17 filters with the Advanced Camera for Surveys and Wide Field Camera 3 from the ultra-violet to near-infrared for the Hubble Frontier Fields and associated parallels.
H. Shipley   +16 more
semanticscholar   +1 more source

catsHTM: A Tool for Fast Accessing and Cross-matching Large Astronomical Catalogs [PDF]

open access: yesPublications of the Astronomical Society of the Pacific, 2018
Fast access to large catalogs is required for some astronomical applications. Here we introduce the catsHTM tool, consisting of several large catalogs reformatted into HDF5-based file format, which can be downloaded and used locally. To allow fast access,
M. Soumagnac, E. Ofek
semanticscholar   +1 more source

Mining gravitational-wave catalogs to understand binary stellar evolution: A new hierarchical Bayesian framework [PDF]

open access: yesPhysical Review D, 2018
Catalogs of stellar-mass compact binary systems detected by ground-based gravitational-wave instruments (such as LIGO and Virgo) will offer insights into the demographics of progenitor systems and the physics guiding stellar evolution.
S. Taylor, D. Gerosa
semanticscholar   +1 more source

Russian Virtual Observatory: Data Sources

open access: yesOpen Astronomy, 2016
The purpose of this review is to analyze main directions of creation and functioning of major data sources developed by Russian astronomers or with their participation and to compare them with the worldwide trends in these fields. We discuss astronomical
Malkov O.   +12 more
doaj   +1 more source

CANDELS Multi-wavelength Catalogs: Source Identification and Photometry in the CANDELS Extended Groth Strip [PDF]

open access: yes, 2017
We present a 0.4–8 μm multi-wavelength photometric catalog in the Extended Groth Strip (EGS) field. This catalog is built on the Hubble Space Telescope (HST) WFC3 and ACS data from the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey ...
M. Stefanon   +41 more
semanticscholar   +1 more source

Catalog-to-catalog reductions

open access: yesThe Astrophysical Journal, 1990
Les problemes de reduction systematique des catalogues d'etoiles, afin de creer un systeme positionnel uniforme et un systeme de mouvement propre standard, sont analyses.
L. G. Taff   +2 more
openaire   +2 more sources

PROLAMINS OF WHEAT GRAIN – FROM BIOCHEMISTRY TO GENETICS AND BREEDING

open access: yesЗерновое хозяйство России, 2019
The paper describes the stages of studying the biochemical heterogeneity of gluten proteins of wheat grain as an important factor in the baking quality of flour. It has been shown that the biochemical heterogeneity of gluten proteins is caused by genetic
M. M. Kopus   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy