CERN Accelerating science

CERN Document Server 13 записей найдено  1 - 10следующий  перейти к записи: Поиск длился 0.77 секунд. 
1.
Gaia Data Release 3 - Stellar multiplicity, a teaser for the hidden treasure / Gaia Collaboration
Context.TheGaiaDR3 catalogue contains, for the first time, about 800 000 solutions with either orbital elements or trend parameters for astrometric, spectroscopic, and eclipsing binaries, and combinations of these three.Aims.With this paper, we aim to illustrate the huge potential of this large non-single-star catalogue.Methods.Using the orbital solutions and models of the binaries, we have built a catalogue of tens of thousands of stellar masses or lower limits thereof, some with consistent flux ratios. Properties concerning the completeness of the binary catalogues are discussed, statistical features of the orbital elements are explained, and a comparison with other catalogues is performed.Results.Illustrative applications are proposed for binaries across the Hertzsprung-Russell Diagram (HRD). [...]
arXiv:2206.05595.- 2023-06 - 57 p. - Published in : Astron. Astrophys. 674 (2023) A34 Fulltext: PDF;
2.
Gaia Data Release 3 - Summary of the content and survey properties / Gaia Collaboration
Context. We present the third data release of the European Space Agency’s Gaia mission, Gaia DR3. [...]
arXiv:2208.00211.- 2023-06-01 - 22 p. - Published in : Astron. Astrophys. 674 (2023) A1 Fulltext: PDF;
3.
Gaia Data Release 3 - Exploring and mapping the diffuse interstellar band at 862 nm / Gaia Collaboration
Context. Diffuse interstellar bands (DIBs) are common interstellar absorption features in spectroscopic observations but their origins remain unclear. [...]
arXiv:2206.05536.- 2023-06-01 - 25 p. - Published in : Astron. Astrophys. 674 (2023) A40 Fulltext: PDF;
4.
Gaia Data Release 3: Chemical cartography of the Milky Way / Gaia Collaboration
Gaia DR3 opens a new era of all-sky spectral analysis of stellar populations thanks to the nearly 5.6 million stars observed by the RVS and parametrised by the GSP-spec module. The all-sky Gaia chemical cartography allows a powerful and precise chemo-dynamical view of the Milky Way with unprecedented spatial coverage and statistical robustness. [...]
arXiv:2206.05534.- 2023-06 - 49 p. - Published in : Astron. Astrophys. 674 (2023) A38 Fulltext: 2206.05534 - PDF; Publication - PDF;
5.
Gaia Data Release 3: The extragalactic content / Gaia Collaboration
The Gaia Galactic survey mission is designed and optimized to obtain astrometry, photometry, and spectroscopy of nearly two billion stars in our Galaxy. Yet as an all-sky multi-epoch survey, Gaia also observes several million extragalactic objects down to a magnitude of G~21 mag. [...]
arXiv:2206.05681.- 2023-06-01 - 33 p. - Published in : Astron. Astrophys. 674 (2023) A41 Fulltext: 2206.05681 - PDF; document - PDF;
6.
Gaia Early Data Release 3 - The celestial reference frame (Gaia-CRF3) / Gaia Collaboration
Gaia-CRF3 is the celestial reference frame for positions and proper motions in the third release of data from the Gaia mission, Gaia DR3 (and for the early third release, Gaia EDR3, which contains identical astrometric results). The reference frame is defined by the positions and proper motions at epoch 2016.0 for a specific set of extragalactic sources in the (E)DR3 catalogue. [...]
arXiv:2204.12574.- 2022-11-01 - 31 p. - Published in : Astron. Astrophys. 667 (2022) A148 Fulltext: 2204.12574 - PDF; document - PDF;
7.
Rotation period and photoelectric lightcurves of asteroids 68 Leto and 563 Suleika / Surdej, J ; Schober, H J
Asteroids 68 Leto and 563 Suleika were observed photometrically during their 1978 opposition with the 50 cm telescope of the European Southern Observatory (Chile). The rotation lightcurve of 68 Leto displays three identifiable maxima and minima and the synodic period of rotation is found. [...]
1980 - Published in : Astron. Astrophys. Suppl. Ser.: 41 (1980) , no. 3, pp. 335-8
8.
Bidimensional spectrography of the â€ワClover leaf” H1413+117 at sub-arcsec: Spatial resolution / Angonin, M C ; Surdej, J ; Vanderriest, C
1989
In : Workshop on Gravitational Lensing, Toulouse, France, 13 - 15 Sep 1989, pp.124-126
9.
Preliminary analysis of high-resolution spectra for UM 673 A&B / Smette, A ; Chaffee, F H ; Foltz, C B ; Magain, P ; Shaver, P A ; Surdej, J
1989
In : Workshop on Gravitational Lensing, Toulouse, France, 13 - 15 Sep 1989, pp.122-123
10.
A search for gravitational lensing among highly luminous quasars: new results / Magain, P ; Remy, M ; Smette, A ; Surdej, J ; Swings, J P
1989
In : Workshop on Gravitational Lensing, Toulouse, France, 13 - 15 Sep 1989, pp.88-92

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