IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| J1640+2224 | Arecibo | L-wide | ASP | 1396.61 | NANOGrav | 2009-01-31T11:51:45 | 54862.49 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1421.45 | NANOGrav | 2009-04-04T07:42:50 | 54925.32 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1433.23 | NANOGrav | 2009-05-30T04:33:06 | 54981.19 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1397.02 | NANOGrav | 2009-06-17T02:54:55 | 54999.12 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1394.01 | NANOGrav | 2009-10-04T19:38:48 | 55108.82 | 05:01 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1388.39 | NANOGrav | 2009-10-04T19:46:24 | 55108.82 | 06:01 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1405.43 | NANOGrav | 2009-10-31T17:49:05 | 55135.74 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1397.42 | NANOGrav | 2009-12-05T15:21:03 | 55170.64 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1398.22 | NANOGrav | 2010-01-09T13:06:08 | 55205.55 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1396.10 | NANOGrav | 2010-04-12T07:33:07 | 55298.31 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1396.22 | NANOGrav | 2010-05-14T05:25:44 | 55330.23 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1400.20 | NANOGrav | 2010-06-11T03:13:09 | 55358.13 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1401.58 | NANOGrav | 2010-07-14T01:31:36 | 55391.06 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1402.32 | NANOGrav | 2010-10-31T17:41:01 | 55500.74 | 13:03 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1416.07 | NANOGrav | 2010-11-28T16:04:17 | 55528.67 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1396.72 | NANOGrav | 2011-03-18T08:45:47 | 55638.37 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1405.28 | NANOGrav | 2011-04-26T06:02:16 | 55677.25 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1413.09 | NANOGrav | 2011-05-20T04:26:25 | 55701.19 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1398.33 | NANOGrav | 2011-06-19T02:42:15 | 55731.11 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1406.57 | NANOGrav | 2011-07-16T00:44:55 | 55758.03 | 05:01 | kaplan |