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 | 437.17 | NANOGrav | 2019-02-23T10:33:55 | 58537.44 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.14 | NANOGrav | 2019-02-24T10:39:42 | 58538.44 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.50 | NANOGrav | 2019-02-28T09:45:50 | 58542.41 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.59 | NANOGrav | 2019-03-02T11:32:38 | 58544.48 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.59 | NANOGrav | 2019-03-07T09:49:33 | 58549.41 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.27 | NANOGrav | 2019-03-14T10:16:09 | 58556.43 | 15:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.96 | NANOGrav | 2019-03-15T09:10:26 | 58557.38 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.73 | NANOGrav | 2019-04-05T07:52:40 | 58578.33 | 24:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.54 | NANOGrav | 2019-04-11T06:42:37 | 58584.28 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.38 | NANOGrav | 2019-04-19T06:10:08 | 58592.26 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 437.46 | NANOGrav | 2019-05-19T05:04:15 | 58622.21 | 24:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.09 | NANOGrav | 2019-05-20T05:16:25 | 58623.22 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.98 | NANOGrav | 2019-05-27T04:56:29 | 58630.21 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.80 | NANOGrav | 2019-06-04T03:22:49 | 58638.14 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.83 | NANOGrav | 2019-06-08T03:33:32 | 58642.15 | 24:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.08 | NANOGrav | 2019-06-16T03:02:23 | 58650.13 | 15:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.89 | NANOGrav | 2019-06-21T02:25:47 | 58655.10 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.60 | NANOGrav | 2019-06-26T02:21:37 | 58660.10 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.32 | NANOGrav | 2019-07-08T01:47:38 | 58672.07 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.65 | NANOGrav | 2019-07-16T00:56:03 | 58680.04 | 20:37 | kaplan |