The Event Horizon Telescope Image of the Quasar NRAO 530
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| Abstract |
We report on the observations of the quasar NRAO 530 with the Event Horizon Telescope (EHT) on 2017 April 5−7, when NRAO 530 was used as a calibrator for the EHT observations of Sagittarius A*. At z = 0.902, this is the most distant object imaged by the EHT so far. We reconstruct the first images of the source at 230 GHz, at an unprecedented angular resolution of ∼20 μas, both in total intensity and in linear polarization (LP). We do not detect source variability, allowing us to represent the whole data set with static images. |
| Year of Publication |
2023
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| Date Published |
feb
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| Journal Title |
The Astrophysical Journal
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| Volume |
943
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| Start Page or Article ID (correct) |
170
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| DOI | |
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| JILA PI | |
Journal Article
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| Publication Status |
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