Tag Archives: Commissioning

‘Go’ for science

Following the extensive in-orbit commissioning review and after encountering the unexpected challenges highlighted previously on the blog, Gaia is now ready to begin its science mission. Read the announcement published today on the ESA Portal: Gaia: 'Go'...

Asteroids at the “photo finish”

Today's Gaia blog post is contributed by Paolo Tanga, Associate Astronomer at the Observatoire de la Côte d’Azur, Nice (France). We tend to think that a still picture, shot with an ordinary camera, represents a subject at...

Commissioning the Radial Velocity Spectrometer

Guest blog post by George Seabroke, RVS Payload Expert, on behalf of the team commissioning the RVS instrument. The Radial Velocity Spectrometer (RVS) is one of three instruments onboard Gaia (see Figure 1). It is designed to...

Gaia takes science measurements

As part of the on-going commissioning tests, we are happy to be able to report on the first spectroscopy observations made by Gaia. You will have seen the ‘first light’ images from the early phases of commissioning...

Gaia payload module integration

One month at L2

Gaia has been in its operational orbit around L2 for about a month now, where it is undergoing a very rigorous test programme before starting on its main science observations. Like many relocations, it can take some...