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Table 3

Spectrophotometric calibrators.

Calibrator RA (h:m:s) Dec (°:′:″) Spectral type Filters Subarray/readout Execution date
2MASS J17430448+6655015 17:43:4.4886 +66:55:1.62 A5V F560W, F770W, F1000W, F1130W, F1280W, F1500W FULL/FASTR1 2022-05-28 19:56:0
2MASS J17430448+6655015 17:43:4.4886 +66:55:1.62 A5V F1500W FULL/SLOWR1 2022-05-25 10:43:13
BD +60 1753 17:24:52.2856 +60:25:50.81 A1V F1500W, F1800W, F2100W, F2550W, F2550WR FULL/FASTR1 2022-05-25 11:53:31
BD +60 1753 17:24:52.2856 +60:25:50.81 A1V F560W, F770W, F1000W, F1500W SUB256/FASTR1 2022-05-25 12:19:50
HD 163466 17:52:25.3757 +60:23:46.94 A6V F1000W, F1130W, F1280W, F1500W SUB64/FASTR1 2022-05-25 12:57:45
2MASS J17430448+6655015 17:43:4.4886 +66:55:1.62 A5V F560W, F770W, F1000W, F1130W, F1280W, F1500W FULL/FASTR1 2022-06-07 12:52:46
2MASS J17430448+6655015 17:43:4.4886 +66:55:1.62 A5V F1500W FULL/SLOWR1 2022-06-07 12:52:46
BD +60 1753 17:24:52.2856 +60:25:50.81 A1V F1500W, F1800W, F2100W, F2550W, F2550WR FULL/FASTR1 2022-06-07 15:24:23
BD +60 1753 17:24:52.2856 +60:25:50.81 A1V F1500W, F1800W, F2100W, F2550W, F2550WR FULL/FASTR1 2022-06-13 22:55:21

Notes. Spectrophotometric calibrators from commissioning program ‘MIRI Imager Photometric Zero Points and Stability’, PID 1027. All dates are UTC, and celestial coordinates are ICRS.

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