Gaia Photometric Data: DR1 results and DR2 expectations

被引：0
|
作者：
Evans, Dafydd Wyn [1 ]
Riello, Marco [1 ]
De Angeli, Francesca [1 ]
Busso, Giorgia [1 ]
van Leeuwen, Floor [1 ]
Eyer, Laurent [2 ]
Jordi, Carme [3 ]
Fabricius, Claus [3 ]
Manel Carrasco, Josep [3 ]
Weiler, Michael [3 ]
Montegriffo, Paolo [4 ]
Cacciari, Carla [4 ]
Pancino, Elena [5 ]
机构：
[1] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England
[2] Univ Geneva, Dept Astron, Ch Maillettes 51, CH-1290 Versoix, Switzerland
[3] Univ Barcelona, Inst Ciencies Cosmos, IEEC UB, Marti Franques 1, E-08028 Barcelona, Spain
[4] INAF Osservatorio Astron Bologna, Via Ranzani 1, I-40127 Bologna, Italy
[5] INAF Osservatorio Astrofis Arcetri, Largo Enrico Fermi 5, I-50125 Florence, Italy
来源：
ASTROMETRY AND ASTROPHYSICS IN THE GAIA SKY | 2018年 / 12卷 / S330期
关键词：
Astronomical data bases; Catalogues; Surveys; Instrumentation:photometers; Techniques:photometric; Galaxy:general;
D O I：
10.1017/S1743921317006329
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Gaia DR1 was released in September 2016 and contained a photometric catalogue of over 1 billion sources. At this stage, this only included mean G-band photometry and an estimate of the error. Even though this may sound limited in nature, interesting science can still be achieved with this data thanks to its quality. A high level overview of the photometric processing and some validation results will be presented. Additionally, epoch photometry in the G-band was released in Gaia DR1 for a small number of variable sources in the South Ecliptic Pole which covers the LMC. The second data release (Gaia DR2) is currently being prepared and, if available, some preliminary validation results will be presented. It is planned that this release will contain colour information in the form of integrated BP and RP photometry in addition to the latest G-band photometry.
引用
收藏
页码：30 / 34
页数：5
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