Intense 1.3-Millimeter Band Emission from 3C454.3

Details Intense 1.3-Millimeter Band Emission from 3C454.3 Intense 1.3-Millimeter Band Emission from 3C454.3

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.3036....1g&link_type=abstract

The Astronomer's Telegram, #3036

Astronomy and Astrophysics

Astronomy

1

Millimeter, Sub-Millimeter, Agn, Blazar

Scientific paper

The Submillimeter Array (SMA) performs ongoing flux density monitoring of quasars that are typically bright in the mm/submm bands, in order to optimally choose quasars for use as interferometric calibration sources. Through this monitoring effort, we have been following increasing millimeter/submillimeter band emission from 3C454.3 (J2253+161). 3C454.3 has been very active for the past 18 months, with frequent flaring activity noted in NIR, optical, UV, and gamma-ray bands, including extraordinary emission in just the past few weeks (see ATel #2988, ATel #2995, ATel #3003, ATel #3005, ATel #3022, and ATel #3034 for the most recent reported activity). Here we report that the millimeter/submillimeter band flux density for 3C454.3 has been steadily increasing since the beginning of October 2010.

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