HIGHLIGHTS
- who: Rowan-Robinson Michael from the Astrophysics Group, Imperial College London, Blackett Laboratory, Prince Consort Road, London , AZ, UK have published the article: A search for Planet 9 in the IRAS data, in the Journal: (JOURNAL)
- how: Approximately half of the gri observations were carried out in a series of 4 exposures quads all separated by about 15 min so completed within 1 h. Typically one triplet of gri observations was carried out on a single night within one hour while other repeat observations are carried out 4-10 nights later.
SUMMARY
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