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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 09086naa a2201609 4500 | |
| 001 | oai:lup.lub.lu.se:9b3f0f5f-1a4b-4fd9-b67c-6eb884eb4e14 | |
| 003 | SwePub | |
| 008 | 161229s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://lup.lub.lu.se/record/9b3f0f5f-1a4b-4fd9-b67c-6eb884eb4e142 URI |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2016286432 DOI |
| 040 | a (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Fabricius, C.u University of Barcelona4 aut |
| 245 | 1 0 | a Gaia Data Release 1 : Pre-processing and source list creation |
| 264 | c 2016-11-25 | |
| 264 | 1 | b EDP Sciences,c 2016 |
| 520 | a Context. The first data release from the Gaia mission contains accurate positions and magnitudes for more than a billion sources, and proper motions and parallaxes for the majority of the 2.5 million Hipparcos and Tycho-2 stars. Aims. We describe three essential elements of the initial data treatment leading to this catalogue: the image analysis, the construction of a source list, and the near real-time monitoring of the payload health. We also discuss some weak points that set limitations for the attainable precision at the present stage of the mission. Methods. Image parameters for point sources are derived from one-dimensional scans, using a maximum likelihood method, under the assumption of a line spread function constant in time, and a complete modelling of bias and background. These conditions are, however, not completely fulfilled. The Gaia source list is built starting from a large ground-based catalogue, but even so a significant number of new entries have been added, and a large number have been removed. The autonomous onboard star image detection will pick up many spurious images, especially around bright sources, and such unwanted detections must be identified. Another key step of the source list creation consists in arranging the more than 1010 individual detections in spatially isolated groups that can be analysed individually. Results. Complete software systems have been built for the Gaia initial data treatment, that manage approximately 50 million focal plane transits daily, giving transit times and fluxes for 500 million individual CCD images to the astrometric and photometric processing chains. The software also carries out a successful and detailed daily monitoring of Gaia health. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 653 | a Astrometry | |
| 653 | a Methods: data analysis | |
| 653 | a Space vehicles: instruments | |
| 700 | 1 | a Bastian, U.u Heidelberg University4 aut |
| 700 | 1 | a Portell, J.u University of Barcelona4 aut |
| 700 | 1 | a Castañeda, J.u University of Barcelona4 aut |
| 700 | 1 | a Davidson, M.u University of Edinburgh4 aut |
| 700 | 1 | a Hambly, N. C.u University of Edinburgh4 aut |
| 700 | 1 | a Clotet, M.u University of Barcelona4 aut |
| 700 | 1 | a Biermann, M.u Heidelberg University4 aut |
| 700 | 1 | a Mora, A.4 aut |
| 700 | 1 | a Busonero, D.4 aut |
| 700 | 1 | a Riva, A.4 aut |
| 700 | 1 | a Brown, A. G A4 aut |
| 700 | 1 | a Smart, R.4 aut |
| 700 | 1 | a Lammers, U.u European Space Astronomy Centre4 aut |
| 700 | 1 | a Torra, J.u University of Barcelona4 aut |
| 700 | 1 | a Drimmel, R.4 aut |
| 700 | 1 | a Gracia, G.4 aut |
| 700 | 1 | a Löffler, W.u Heidelberg University4 aut |
| 700 | 1 | a Spagna, A.4 aut |
| 700 | 1 | a Lindegren, L.u Lund University,Lunds universitet,Astronomi - Har omorganiserats,Institutionen för astronomi och teoretisk fysik - Har omorganiserats,Naturvetenskapliga fakulteten,Lund Observatory - Has been reorganised,Department of Astronomy and Theoretical Physics - Has been reorganised,Faculty of Science4 aut0 (Swepub:lu)astr-lli |
| 700 | 1 | a Klioner, S.4 aut |
| 700 | 1 | a Andrei, A.4 aut |
| 700 | 1 | a Bach, N.4 aut |
| 700 | 1 | a Bramante, L.u ALTEC S.p.A.4 aut |
| 700 | 1 | a Brüsemeister, T.u Heidelberg University4 aut |
| 700 | 1 | a Busso, G.u University of Cambridge4 aut |
| 700 | 1 | a Carrasco, J. M.u University of Barcelona4 aut |
| 700 | 1 | a Gai, M.4 aut |
| 700 | 1 | a Garralda, N.u University of Barcelona4 aut |
| 700 | 1 | a González-Vidal, J. J.u University of Barcelona4 aut |
| 700 | 1 | a Guerra, R.u European Space Astronomy Centre4 aut |
| 700 | 1 | a Hauser, M.u Heidelberg University4 aut |
| 700 | 1 | a Jordan, S.u Heidelberg University4 aut |
| 700 | 1 | a Jordi, C.u University of Barcelona4 aut |
| 700 | 1 | a Lenhardt, H.u Heidelberg University4 aut |
| 700 | 1 | a Mignard, F.4 aut |
| 700 | 1 | a Messineo, R.u ALTEC S.p.A.4 aut |
| 700 | 1 | a Mulone, A.u ALTEC S.p.A.4 aut |
| 700 | 1 | a Serraller, I.4 aut |
| 700 | 1 | a Stampa, U.u Heidelberg University4 aut |
| 700 | 1 | a Tanga, P.4 aut |
| 700 | 1 | a Van Elteren, A.4 aut |
| 700 | 1 | a Van Reeven, W.4 aut |
| 700 | 1 | a Voss, H.u University of Barcelona4 aut |
| 700 | 1 | a Abbas, U.4 aut |
| 700 | 1 | a Allasia, W.4 aut |
| 700 | 1 | a Altmann, M.4 aut |
| 700 | 1 | a Anton, S.u University of Porto,University of Lisbon4 aut0 (Swepub:lu)extLU-291 |
| 700 | 1 | a Barache, C.4 aut |
| 700 | 1 | a Becciani, U.4 aut |
| 700 | 1 | a Berthier, J.4 aut |
| 700 | 1 | a Bianchi, L.4 aut |
| 700 | 1 | a Bombrun, A.4 aut |
| 700 | 1 | a Bouquillon, S.4 aut |
| 700 | 1 | a Bourda, G.4 aut |
| 700 | 1 | a Bucciarelli, B.4 aut |
| 700 | 1 | a Butkevich, A.4 aut |
| 700 | 1 | a Buzzi, R.4 aut |
| 700 | 1 | a Cancelliere, R.4 aut |
| 700 | 1 | a Carlucci, T.4 aut |
| 700 | 1 | a Charlot, P.4 aut |
| 700 | 1 | a Collins, R.u University of Edinburgh4 aut |
| 700 | 1 | a Comoretto, G.4 aut |
| 700 | 1 | a Cross, N.u University of Edinburgh4 aut |
| 700 | 1 | a Crosta, M.4 aut |
| 700 | 1 | a De Felice, F.u University of Padova4 aut |
| 700 | 1 | a Fienga, A.u The French National Centre for Scientific Research (CNRS)4 aut |
| 700 | 1 | a Figueras, F.u University of Barcelona4 aut |
| 700 | 1 | a Fraile, E.4 aut |
| 700 | 1 | a Geyer, R.4 aut |
| 700 | 1 | a Hernandez, J.u European Space Astronomy Centre4 aut |
| 700 | 1 | a Hobbs, D.u Lund University,Lunds universitet,Astronomi - Har omorganiserats,Institutionen för astronomi och teoretisk fysik - Har omorganiserats,Naturvetenskapliga fakulteten,Lund Observatory - Has been reorganised,Department of Astronomy and Theoretical Physics - Has been reorganised,Faculty of Science4 aut0 (Swepub:lu)astr-dho |
| 700 | 1 | a Hofmann, W.u Heidelberg University4 aut |
| 700 | 1 | a Liao, S.4 aut |
| 700 | 1 | a Licata, E.4 aut |
| 700 | 1 | a Martino, M.u ALTEC S.p.A.4 aut |
| 700 | 1 | a McMillan, P. J.u Lund University,Lunds universitet,Astronomi - Har omorganiserats,Institutionen för astronomi och teoretisk fysik - Har omorganiserats,Naturvetenskapliga fakulteten,Lund Observatory - Has been reorganised,Department of Astronomy and Theoretical Physics - Has been reorganised,Faculty of Science4 aut0 (Swepub:lu)astr-pmi |
| 700 | 1 | a Michalik, D.u Lund University,Lunds universitet,Astronomi - Har omorganiserats,Institutionen för astronomi och teoretisk fysik - Har omorganiserats,Naturvetenskapliga fakulteten,Lund Observatory - Has been reorganised,Department of Astronomy and Theoretical Physics - Has been reorganised,Faculty of Science4 aut0 (Swepub:lu)astr-dma |
| 700 | 1 | a Morbidelli, R.4 aut |
| 700 | 1 | a Parsons, P.4 aut |
| 700 | 1 | a Pecoraro, M.4 aut |
| 700 | 1 | a Ramos-Lerate, M.4 aut |
| 700 | 1 | a Sarasso, M.4 aut |
| 700 | 1 | a Siddiqui, H.u University of Padova4 aut |
| 700 | 1 | a Steele, I.4 aut |
| 700 | 1 | a Steidelmüller, H.4 aut |
| 700 | 1 | a Taris, F.4 aut |
| 700 | 1 | a Vecchiato, A.4 aut |
| 700 | 1 | a Abreu, A.4 aut |
| 700 | 1 | a Anglada, E.4 aut |
| 700 | 1 | a Boudreault, S.u Max Planck Institute for Solar System Research4 aut |
| 700 | 1 | a Cropper, M.4 aut |
| 700 | 1 | a Holl, B.u University of Geneva4 aut0 (Swepub:lu)astr-bhl |
| 700 | 1 | a Cheek, N.4 aut |
| 700 | 1 | a Crowley, C.4 aut |
| 700 | 1 | a Fleitas, J. M.4 aut |
| 700 | 1 | a Hutton, A.4 aut |
| 700 | 1 | a Osinde, J.4 aut |
| 700 | 1 | a Rowell, N.u University of Edinburgh4 aut |
| 700 | 1 | a Salguero, E.4 aut |
| 700 | 1 | a Utrilla, E.4 aut |
| 700 | 1 | a Blagorodnova, N.u California Institute of Technology4 aut |
| 700 | 1 | a Soffel, M.4 aut |
| 700 | 1 | a Osorio, J.4 aut |
| 700 | 1 | a Vicente, D.4 aut |
| 700 | 1 | a Cambras, J.4 aut |
| 700 | 1 | a Bernstein, H. H.u Heidelberg University4 aut |
| 710 | 2 | a University of Barcelonab Heidelberg University4 org |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP Sciencesg 595q 595x 0004-6361x 1432-0746 |
| 856 | 4 | u http://dx.doi.org/10.1051/0004-6361/201628643y FULLTEXT |
| 856 | 4 | u https://www.aanda.org/articles/aa/pdf/2016/11/aa28643-16.pdf |
| 856 | 4 8 | u https://lup.lub.lu.se/record/9b3f0f5f-1a4b-4fd9-b67c-6eb884eb4e14 |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/201628643 |
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- Fabricius, C.
- Bastian, U.
- Portell, J.
- Castañeda, J.
- Davidson, M.
- Hambly, N. C.
- visa fler...
- Clotet, M.
- Biermann, M.
- Mora, A.
- Busonero, D.
- Riva, A.
- Brown, A. G A
- Smart, R.
- Lammers, U.
- Torra, J.
- Drimmel, R.
- Gracia, G.
- Löffler, W.
- Spagna, A.
- Lindegren, L.
- Klioner, S.
- Andrei, A.
- Bach, N.
- Bramante, L.
- Brüsemeister, T.
- Busso, G.
- Carrasco, J. M.
- Gai, M.
- Garralda, N.
- González-Vidal, ...
- Guerra, R.
- Hauser, M.
- Jordan, S.
- Jordi, C.
- Lenhardt, H.
- Mignard, F.
- Messineo, R.
- Mulone, A.
- Serraller, I.
- Stampa, U.
- Tanga, P.
- Van Elteren, A.
- Van Reeven, W.
- Voss, H.
- Abbas, U.
- Allasia, W.
- Altmann, M.
- Anton, S.
- Barache, C.
- Becciani, U.
- Berthier, J.
- Bianchi, L.
- Bombrun, A.
- Bouquillon, S.
- Bourda, G.
- Bucciarelli, B.
- Butkevich, A.
- Buzzi, R.
- Cancelliere, R.
- Carlucci, T.
- Charlot, P.
- Collins, R.
- Comoretto, G.
- Cross, N.
- Crosta, M.
- De Felice, F.
- Fienga, A.
- Figueras, F.
- Fraile, E.
- Geyer, R.
- Hernandez, J.
- Hobbs, D.
- Hofmann, W.
- Liao, S.
- Licata, E.
- Martino, M.
- McMillan, P. J.
- Michalik, D.
- Morbidelli, R.
- Parsons, P.
- Pecoraro, M.
- Ramos-Lerate, M.
- Sarasso, M.
- Siddiqui, H.
- Steele, I.
- Steidelmüller, H ...
- Taris, F.
- Vecchiato, A.
- Abreu, A.
- Anglada, E.
- Boudreault, S.
- Cropper, M.
- Holl, B.
- Cheek, N.
- Crowley, C.
- Fleitas, J. M.
- Hutton, A.
- Osinde, J.
- Rowell, N.
- Salguero, E.
- Utrilla, E.
- Blagorodnova, N.
- Soffel, M.
- Osorio, J.
- Vicente, D.
- Cambras, J.
- Bernstein, H. H.
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