Gaia Space Mission and Quasars
Quasars are often considered to be point-like objects. This is largely true and allows for an excellent alignment of the optical positional reference frame of the ongoing ESA mission Gaia with the International Celestial Reference Frame. But presence of optical jets in quasars can cause shifts of th...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2017-11-01
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| Series: | Frontiers in Astronomy and Space Sciences |
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| Online Access: | http://journal.frontiersin.org/article/10.3389/fspas.2017.00041/full |