IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| J1640+2224 | Arecibo | 430 | PUPPI | 431.03 | NANOGrav | 2019-11-23T17:37:25 | 58810.73 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.24 | NANOGrav | 2019-11-24T16:20:33 | 58811.68 | 21:09 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.64 | NANOGrav | 2019-11-29T16:10:53 | 58816.67 | 18:00 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 427.81 | NANOGrav | 2019-12-01T16:15:56 | 58818.68 | 21:09 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.08 | NANOGrav | 2019-12-08T14:47:29 | 58825.62 | 15:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.16 | NANOGrav | 2019-12-14T15:04:08 | 58831.63 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 438.70 | NANOGrav | 2019-12-18T15:45:21 | 58835.66 | 15:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.06 | NANOGrav | 2019-12-24T14:37:20 | 58841.61 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.47 | NANOGrav | 2019-12-28T13:39:32 | 58845.57 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.68 | NANOGrav | 2020-01-04T13:21:16 | 58852.56 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 437.64 | NANOGrav | 2020-02-01T11:59:45 | 58880.50 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 437.82 | NANOGrav | 2020-02-02T11:51:23 | 58881.49 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 436.79 | NANOGrav | 2020-02-10T10:35:37 | 58889.44 | 15:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.33 | NANOGrav | 2020-02-16T10:22:33 | 58895.43 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.98 | NANOGrav | 2020-02-22T10:55:20 | 58901.46 | 21:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.74 | NANOGrav | 2020-02-24T09:47:33 | 58903.41 | 21:09 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.14 | NANOGrav | 2020-03-02T09:21:25 | 58910.39 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 437.93 | NANOGrav | 2020-03-09T09:32:09 | 58917.40 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.36 | NANOGrav | 2020-03-14T08:38:21 | 58922.36 | 21:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.37 | NANOGrav | 2020-03-16T08:43:05 | 58924.36 | 20:37 | kaplan |