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 | 433.16 | NANOGrav | 2017-05-20T04:31:50 | 57893.19 | 21:40 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 438.97 | NANOGrav | 2017-05-28T03:35:34 | 57901.15 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 427.72 | NANOGrav | 2017-06-02T05:00:30 | 57906.21 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.58 | NANOGrav | 2017-06-06T04:20:31 | 57910.18 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.85 | NANOGrav | 2017-06-10T03:09:13 | 57914.13 | 21:40 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.47 | NANOGrav | 2017-06-17T02:32:58 | 57921.11 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.77 | NANOGrav | 2017-06-21T02:06:00 | 57925.09 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.07 | NANOGrav | 2017-06-27T01:51:04 | 57931.08 | 23:04 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 425.48 | NANOGrav | 2017-07-02T01:43:20 | 57936.07 | 21:40 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.98 | NANOGrav | 2017-07-05T01:20:25 | 57939.06 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.47 | NANOGrav | 2017-07-15T00:36:47 | 57949.03 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.93 | NANOGrav | 2017-07-19T00:22:57 | 57953.02 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.33 | NANOGrav | 2017-07-23T00:23:32 | 57957.02 | 21:40 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.55 | NANOGrav | 2017-07-24T00:03:06 | 57958.00 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.32 | NANOGrav | 2017-08-09T00:25:26 | 57974.02 | 04:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 426.72 | NANOGrav | 2017-08-18T23:21:06 | 57983.97 | 21:40 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.92 | NANOGrav | 2017-08-25T22:25:28 | 57990.93 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.08 | NANOGrav | 2017-08-30T22:17:51 | 57995.93 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.74 | NANOGrav | 2017-09-04T21:34:11 | 58000.90 | 19:03 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.78 | NANOGrav | 2017-09-12T20:37:31 | 58008.86 | 00:10 | kaplan |