Telescope: NASA IRTF, Mauna Kea Instrument: MIRSI Date: 2005 July 06 UT Conditions: Scattered cirrus, humidity 44-51%, 0.5" seeing, winds E 6-15 mph File Object UT Date UT Time Airmass Bandpass Itime Frame Time Mode Start Finish (micron) (sec) (msec) m20050706_0007.fit HR 5340 2005-07-06 03:44:01 03:44:17 1.122 8.7 1.0 24 Chop/Nod m20050706_0008.fit HR 5340 2005-07-06 03:45:00 03:45:16 1.120 8.7 1.0 24 Chop/Nod m20050706_0009.fit HR 5340 2005-07-06 03:47:00 03:47:16 1.116 9.8 1.0 24 Chop/Nod m20050706_0010.fit HR 5340 2005-07-06 03:47:50 03:48:06 1.114 9.8 1.0 24 Chop/Nod m20050706_0011.fit HR 5340 2005-07-06 03:48:45 03:49:01 1.112 11.6 1.0 24 Chop/Nod m20050706_0012.fit HR 5340 2005-07-06 03:49:16 03:49:32 1.110 11.6 1.0 24 Chop/Nod m20050706_0013.fit HR 5340 2005-07-06 03:50:09 03:50:25 1.109 12.5 1.0 24 Chop/Nod m20050706_0014.fit HR 5340 2005-07-06 03:51:01 03:51:17 1.107 12.5 1.0 24 Chop/Nod m20050706_0015.fit HR 5340 2005-07-06 03:52:24 03:52:40 1.104 18.4 1.0 24 Chop/Nod m20050706_0016.fit HR 5340 2005-07-06 03:53:02 03:53:18 1.102 18.4 1.0 24 Chop/Nod m20050706_0017.fit HR 5340 2005-07-06 03:53:42 03:53:58 1.101 18.4 1.0 24 Chop/Nod m20050706_0019.fit HR 5340 2005-07-06 03:55:33 03:55:57 1.097 18.4 1.0 12 Chop/Nod m20050706_0020.fit HR 5340 2005-07-06 03:56:31 03:56:55 1.095 18.4 1.0 12 Chop/Nod m20050706_0021.fit HR 5340 2005-07-06 03:57:13 03:57:37 1.094 18.4 1.0 12 Chop/Nod m20050706_0022.fit 9P/Tempel 1 2005-07-06 03:59:17 03:59:41 1.202 18.4 1.0 12 Chop/Nod m20050706_0023.fit 9P/Tempel 1 2005-07-06 04:06:44 04:08:44 1.199 18.4 10.0 24 Chop/Nod m20050706_0025.fit HR 5056 2005-07-06 04:12:29 04:12:57 1.066 10.4 2.0 24 Chop/Nod m20050706_0026.fit 9P/Tempel 1 2005-07-06 04:15:21 04:17:21 1.188 10.4 10.0 24 Chop/Nod m20050706_0027.fit 9P/Tempel 1 2005-07-06 04:17:56 04:19:56 1.184 10.4 10.0 24 Chop/Nod m20050706_0028.fit 9P/Tempel 1 2005-07-06 04:22:23 04:25:21 1.180 8.7 20.0 60 Chop/Nod m20050706_0029.fit 9P/Tempel 1 2005-07-06 04:25:53 04:28:51 1.176 8.7 20.0 60 Chop/Nod m20050706_0030.fit 9P/Tempel 1 2005-07-06 04:29:24 04:32:22 1.173 8.7 20.0 60 Chop/Nod m20050706_0031.fit 9P/Tempel 1 2005-07-06 04:33:45 04:36:43 1.169 11.6 20.0 60 Chop/Nod m20050706_0032.fit 9P/Tempel 1 2005-07-06 04:37:08 04:40:06 1.166 11.6 20.0 60 Chop/Nod m20050706_0033.fit 9P/Tempel 1 2005-07-06 04:40:25 04:43:23 1.164 11.6 20.0 60 Chop/Nod m20050706_0034.fit 9P/Tempel 1 2005-07-06 04:44:02 04:47:00 1.162 18.4 20.0 60 Chop/Nod m20050706_0035.fit 9P/Tempel 1 2005-07-06 04:47:25 04:50:23 1.161 18.4 20.0 60 Chop/Nod m20050706_0036.fit 9P/Tempel 1 2005-07-06 04:53:06 04:56:04 1.158 12.5 20.0 60 Chop/Nod m20050706_0037.fit 9P/Tempel 1 2005-07-06 04:56:38 04:59:36 1.157 12.5 20.0 60 Chop/Nod m20050706_0038.fit 9P/Tempel 1 2005-07-06 05:00:09 05:03:07 1.157 12.5 20.0 60 Chop/Nod m20050706_0039.fit 9P/Tempel 1 2005-07-06 05:05:00 05:07:00 1.156 10.4 10.0 24 Chop/Nod m20050706_0040.fit 9P/Tempel 1 2005-07-06 05:07:30 05:09:30 1.156 10.4 10.0 24 Chop/Nod m20050706_0042.fit HR 5340 2005-07-06 05:15:40 05:16:04 1.005 10.4 1.0 12 Chop/Nod m20050706_0043.fit HR 5340 2005-07-06 05:16:42 05:17:06 1.004 10.4 1.0 12 Chop/Nod m20050706_0044.fit HR 5340 2005-07-06 05:18:39 05:19:03 1.003 8.7 1.0 12 Chop/Nod m20050706_0045.fit HR 5340 2005-07-06 05:19:30 05:19:54 1.003 8.7 1.0 12 Chop/Nod m20050706_0046.fit HR 5340 2005-07-06 05:22:26 05:22:50 1.002 11.6 1.0 12 Chop/Nod m20050706_0047.fit HR 5340 2005-07-06 05:23:08 05:23:32 1.002 11.6 1.0 12 Chop/Nod m20050706_0048.fit HR 5340 2005-07-06 05:24:07 05:24:31 1.002 12.5 1.0 12 Chop/Nod m20050706_0049.fit HR 5340 2005-07-06 05:24:46 05:25:10 1.002 12.5 1.0 12 Chop/Nod m20050706_0050.fit HR 5340 2005-07-06 05:26:14 05:26:38 1.001 18.4 1.0 12 Chop/Nod m20050706_0051.fit HR 5340 2005-07-06 05:27:41 05:28:05 1.001 18.4 1.0 12 Chop/Nod m20050706_0052.fit HR 5340 2005-07-06 05:28:40 05:29:04 1.001 18.4 1.0 12 Chop/Nod m20050706_0053.fit HR 5340 2005-07-06 05:29:29 05:29:53 1.001 18.4 1.0 12 Chop/Nod m20050706_0054.fit HR 5340 2005-07-06 05:31:04 05:31:28 1.001 10.4 1.0 12 Chop/Nod m20050706_0055.fit HR 5340 2005-07-06 05:31:49 05:32:13 1.000 10.4 1.0 12 Chop/Nod m20050706_0056.fit HR 5340 2005-07-06 05:33:12 05:33:36 1.000 10.4 1.0 12 Chop/Nod m20050706_0057.fit HR 5340 2005-07-06 05:34:02 05:34:26 1.000 10.4 1.0 12 Chop/Nod m20050706_0058.fit 68 Leto 2005-07-06 05:39:20 05:41:20 1.000 10.4 10.0 24 Chop/Nod m20050706_0059.fit 68 Leto 2005-07-06 05:42:21 05:45:35 1.000 10.4 10.0 12 Chop/Nod m20050706_0060.fit 68 Leto 2005-07-06 05:47:29 05:53:51 1.001 10.4 20.0 12 Chop/Nod Optical depth at 225 GHz measured at the Caltech Submillimeter Observatory (CSO) on Mauna Kea as function of time (UT) on 2005 July 06. (Precipitable water vapor above the summit of Mauna Kea can be approximated by pwv (mm) ~ 20 * Tau (225 GHz), ie: for Tau (225 GHz) ~ 0.10, pwv ~ 2 mm). UT Tau (225 GHz) 03:34 0.077 03:43 0.075 03:54 0.102 04:04 0.105 04:13 0.101 04:24 0.072 04:34 0.065 04:43 0.065 04:54 0.064 05:04 0.081 05:13 0.057 05:24 0.014 05:34 0.072 05:43 0.073 05:54 0.071