Extremely sharp observations of the event Swift J1644 +57 with the radio telescope network EVN (European VLBI Network) have revealed a remarkably compact jet, shown here in yellow. (sciencedaily.com)
Soon afterward, the ground - based MASTER - IAC telescope, a part of Russia's MASTER robotic telescope network located at the Teide Observatory in Spain's Canary Islands, followed up with optical light observations while the prompt phase was still active. (sciencedaily.com)
Remy Indebetouw, an astronomer at the University of Virginia in Charlottesville, and colleagues took another stab using a new high - resolution telescope network called the Atacama Large Millimeter / submillimeter Array (ALMA) in Chile. (sciencenews.org)