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A Dramatic (and Invisible!) flare in NRAO 530 3 mm λ VLBI Observations
Published online by Cambridge University Press: 25 May 2016
Extract
3 mm λ VLBI observations of the extremely flat spectrum QSO NRAO 530 at the peak of its brightest recorded flare show a resolved core only slightly changed from its pre-outburst state. Observations with Haystack, Kitt Peak and Owens Valley observatories in April 1994, prior to the onset of the flare found a single component with Tb = 8 × 1010 K. One year later, within one week of the peak of flare at 3 mm λ, observations with Haystack, Kitt Peak and Hat Creek observatories revealed a component comparable in size and flux density with Tb = 7 × 1010 K. Table 1 details the source models for the two experiments.
- Type
- Properties of Radio Sources
- Information
- Symposium - International Astronomical Union , Volume 175: Extragalactic Radio Sources , 1996 , pp. 17 - 18
- Copyright
- Copyright © Kluwer 1996