Skip to search formSkip to main contentSkip to account menu

Gaia Data Release 1 - Astrometry: one billion positions, two million proper motions and parallaxes

Gaia Data Release 1 (Gaia DR1) contains astrometric results for more than 1 billion stars brighter than magnitude 20.7 based on observations collected by the Gaia satellite during the first 14 months…
View PDF on arXiv (opens in a new tab)

Gaia Data Release 2

Context. The second data release of the Gaia mission (DR2) includes an advance catalogue of variable stars. The classifications of these stars are based on sparse photometry from the first 22 months…
View PDF on arXiv (opens in a new tab)

The low-energy concentrator spectrometer on-board the BeppoSAX X-ray astronomy satellite

The scientic instrumentation on board the X-ray Astronomy Satellite BeppoSAX includes a Medium Energy Concentrator Spectrometer (MECS), operating in the energy range 1:3 10 keV, which consists of…
View via Publisher (opens in a new tab)

Gaia Data Release 2

The dramatic improvement brought by Gaia DR2 astrometry of SSOs is demonstrated by comparisons to the archive data and by preliminary tests on the detection of subtle non-gravitational effects.
View PDF on arXiv (opens in a new tab)

Gaia Early Data Release 3-The astrometric solution

Context. Gaia Early Data Release 3 (Gaia EDR3) contains results for 1.812 billion sources in the magnitude range G = 3–21 based on observations collected by the European Space Agency Gaia satellite…
View via Publisher (opens in a new tab)

Gaia Data Release 2

Context. Gaia Data Release 2 provides high-precision astrometry and three-band photometry for about 1.3 billion sources over the full sky. The precision, accuracy, and homogeneity of both astrometry…
View PDF on arXiv (opens in a new tab)

Gaia Early Data Release 3-Parallax bias versus magnitude, colour, and position

Context. Gaia Early Data Release 3 (Gaia EDR3) gives trigonometric parallaxes for nearly 1.5 billion sources. Inspection of the EDR3 data for sources identified as quasars reveals that their…
View via Publisher (opens in a new tab)

Gaia Early Data Release 3

Context. Gaia Early Data Release 3 (Gaia EDR3) provides accurate astrometry for about 1.6 million compact (QSO-like) extragalactic sources, 1.2 million of which have the best-quality five-parameter…
View PDF on arXiv (opens in a new tab)

The astrometric core solution for the Gaia mission. Overview of models, algorithms, and software implementation

A comprehensive overview of the mathematical and physical models applicable to the astrometric core solution of the Gaia satellite, using a global solution approach, as well as its numerical and algorithmic framework is provided.
View PDF on arXiv (opens in a new tab)

Gaia Data Release 1 - Reference frame and optical properties of ICRF sources

Context. As part of the data processing for Gaia Data Release 1 (Gaia DR1) a special astrometric solution was computed, the so-called auxiliary quasar solution. This gives positions for selected…
View PDF on arXiv (opens in a new tab)
...
By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy (opens in a new tab), Terms of Service (opens in a new tab), and Dataset License (opens in a new tab)