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 | ASP | 430.38 | NANOGrav | 2008-02-23T09:51:03 | 54519.41 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 430.25 | NANOGrav | 2008-04-13T06:53:09 | 54569.29 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 430.91 | NANOGrav | 2008-06-12T02:47:24 | 54629.12 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 431.03 | NANOGrav | 2008-07-31T00:25:57 | 54678.02 | 11:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 430.86 | NANOGrav | 2008-12-19T14:07:31 | 54819.59 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 428.64 | NANOGrav | 2009-01-31T11:13:12 | 54862.47 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 426.98 | NANOGrav | 2009-04-04T07:05:03 | 54925.30 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 428.11 | NANOGrav | 2009-05-30T03:51:28 | 54981.16 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 432.12 | NANOGrav | 2009-06-17T02:30:32 | 54999.10 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 433.95 | NANOGrav | 2009-07-28T23:42:57 | 55040.99 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 433.96 | NANOGrav | 2009-10-04T19:16:13 | 55108.80 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 430.28 | NANOGrav | 2009-10-31T17:27:16 | 55135.73 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 436.07 | NANOGrav | 2009-12-05T14:57:03 | 55170.62 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 431.87 | NANOGrav | 2010-01-09T12:40:08 | 55205.53 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 429.22 | NANOGrav | 2010-04-12T07:10:59 | 55298.30 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 426.24 | NANOGrav | 2010-05-14T05:05:00 | 55330.21 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 430.53 | NANOGrav | 2010-06-11T03:36:13 | 55358.15 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 434.42 | NANOGrav | 2010-07-14T01:07:27 | 55391.05 | 15:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 437.61 | NANOGrav | 2010-10-31T17:56:24 | 55500.75 | 01:00 | kaplan | |
| J1640+2224 | Arecibo | 430 | ASP | 435.72 | NANOGrav | 2010-10-31T17:58:46 | 55500.75 | 01:00 | kaplan |