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 | 1405.40 | NANOGrav | 2005-08-21T00:17:38 | 53603.01 | 27:06 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1403.55 | NANOGrav | 2005-09-15T20:58:15 | 53628.87 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1421.90 | NANOGrav | 2005-11-12T17:23:24 | 53686.72 | 06:01 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1400.94 | NANOGrav | 2005-12-11T15:23:19 | 53715.64 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1399.01 | NANOGrav | 2006-01-15T12:59:39 | 53750.54 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1393.10 | NANOGrav | 2006-03-04T09:55:54 | 53798.41 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1409.79 | NANOGrav | 2006-04-26T06:27:44 | 53851.27 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1404.07 | NANOGrav | 2006-07-10T01:35:03 | 53926.07 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1397.88 | NANOGrav | 2006-08-20T23:13:44 | 53967.97 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1414.14 | NANOGrav | 2006-09-30T20:22:57 | 54008.85 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1412.55 | NANOGrav | 2006-11-04T17:47:50 | 54043.74 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1423.86 | NANOGrav | 2007-02-04T11:38:59 | 54135.49 | 01:00 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1422.49 | NANOGrav | 2007-02-04T11:51:45 | 54135.49 | 20:05 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1414.42 | NANOGrav | 2008-01-07T13:30:29 | 54472.56 | 03:01 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1417.62 | NANOGrav | 2008-01-07T13:37:22 | 54472.57 | 02:00 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1417.91 | NANOGrav | 2008-01-07T13:42:23 | 54472.57 | 02:00 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1421.53 | NANOGrav | 2008-01-07T13:51:16 | 54472.58 | 13:03 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1415.86 | NANOGrav | 2008-04-13T07:55:55 | 54569.33 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1433.24 | NANOGrav | 2008-06-12T03:26:36 | 54629.14 | 15:04 | kaplan | |
| J1640+2224 | Arecibo | L-wide | ASP | 1426.71 | NANOGrav | 2008-12-19T14:47:02 | 54819.62 | 15:04 | kaplan |