Researchers reveal the biggest digital survey of the Milky Way to date

December 31, 2007 More than 50 astronomers from the UK, Europe, USA and Australia have joined forces to produce the first comprehensive optical digital survey of the plane of the Galaxy. The Initial Data Release (IDR) from the INT Photometric H-Alpha Survey (IPHAS) includes around 200 million unique objects available via an online database, forming a huge resource designed to boost our understanding of stellar evolution and further the study of stellar demographics of the Milky Way and of its three-dimensional structure.

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