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 | 431.37 | NANOGrav | 2017-09-12T20:48:11 | 58008.87 | 15:02 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.88 | NANOGrav | 2017-11-10T17:01:22 | 58067.71 | 19:03 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.42 | NANOGrav | 2017-11-11T16:37:59 | 58068.69 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 427.22 | NANOGrav | 2017-11-18T16:18:51 | 58075.68 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.78 | NANOGrav | 2017-11-25T16:20:39 | 58082.68 | 19:03 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.59 | NANOGrav | 2017-11-26T16:54:03 | 58083.70 | 18:31 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.38 | NANOGrav | 2017-12-03T15:08:10 | 58090.63 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.83 | NANOGrav | 2017-12-10T14:50:25 | 58097.62 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.79 | NANOGrav | 2017-12-16T14:41:41 | 58103.61 | 19:03 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.03 | NANOGrav | 2017-12-23T13:50:04 | 58110.58 | 22:33 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.51 | NANOGrav | 2017-12-31T14:03:42 | 58118.59 | 15:33 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.02 | NANOGrav | 2018-01-06T13:15:46 | 58124.55 | 19:03 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.10 | NANOGrav | 2018-01-13T12:49:47 | 58131.53 | 23:04 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.68 | NANOGrav | 2018-01-21T12:07:59 | 58139.51 | 22:33 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.09 | NANOGrav | 2018-01-28T11:53:36 | 58146.50 | 23:04 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.32 | NANOGrav | 2018-02-03T11:25:31 | 58152.48 | 23:04 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.43 | NANOGrav | 2018-02-11T10:40:02 | 58160.44 | 22:33 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.15 | NANOGrav | 2018-02-19T12:32:44 | 58168.52 | 13:59 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.74 | NANOGrav | 2018-02-20T10:04:57 | 58169.42 | 23:36 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.25 | NANOGrav | 2018-02-28T09:36:49 | 58177.40 | 23:36 | kaplan |