New OMP features for projects.

The OMP has recently been updated to display several additional pieces of information on the project pages.

Tau graph

The first thing you will notice is a new graph of tau over the course of the night. Previously, the pages had such a plot that was generated each time the page was loaded. This took a while, and the plot had automatically generated limits on the y-axis which made comparing graphs between two night effectively impossible.

The new graph is made with consistent x- and y-limits that allows for easy comparison between nights. The various weather grades are also delineated, and the value of tau from the CSO WVM is plotted as well.

The new plot of tau vs. time. Click an any picture for a larger view.

The thicker gray horizontal lines running across the graph mark the weather grade boundaries, and the shaded area shows the night hours in Hawaii. The time in UTC is plotted along the bottom axis, with the time in HST along the top.

Pie chart

The pie chart of time spent in each grade.

There is also a pie chart that sums up the amount of time spent in each weather grade throughout the night. The grades are color-coded from green to red to give a quick visual assessment of how good a given night was (green good; red bad). Usually a given night will fall predominately within just one or two grades.


ACSIS standards table

For nights on which data was taken using ACSIS, there will be an HTML table in text form like the example below with some information relating to the ACSIS standards observed.

Obs #	Time	Integ. Int.	Peak Int.
16	19:36:32	251.33	8.82
19	19:50:31	4775.56	6.88
27	20:59:30	4157.76	5.96
36	22:22:36	3520.79	5.08

SCUBA-2 calibrations table

Similarly, for nights where SCUBA-2 was used there will be an HTML table like the example below listing the FCFs for each observation of a calibration object.

20120822			FCFasec				FCFpeak
Obs #	Time (UT)	Source	850µm	err	450µm	err	850µm	err	450µm	err
8	05:41:27	CRL2688	2.41	0.01	4.64	0.03	572.2	1.5	542.9	5.7
37	10:24:23	CRL2688	2.30	0.01	4.66	0.02	513.5	1.2	466.0	3.7
68	17:26:48	CRL618	2.23	0.01	4.28	0.04	487.8	1.4	436.8	4.8

Along with the table on SCUBA-2 nights there will three additional graphs, which will be detailed below. Each of these graphs has two sub-plots, the top one being the 450 micron data and the bottom one being the 850 micron.

NEPs vs observation number graph

This graph shows the min, max, and mean for each of the eight subarrays that make up SCUBA-2, plotted by observation number. The mean is the colored line, and the shaded areas are the filled-in areas between the min and max. By following the lines you can tell which arrays changed significantly, and by watching the shaded areas you can get a feel for the spread in the NEPs. The vertical scale is fixed, and is the same as the scale for the following plot.

NEPs vs time graph

This graph, like the previous one, shows the NEPs, but plots them against time rather than observation number. Each of the eight subarrays is present once again (with the same colors as in the preceding plot). The time (in UTC) is marked along the bottom of the plot, and the observations are marked by number along the top, with vertical lines that descend to help mark when each particular observation began.

NEFDs vs time graph

The final plot is a plot of the NEFDs vs. time. The number of points depends on the night, this particular night only had a few. Like the two previous plots, the vertical axis is fixed to make comparisons between nights easier.

Hopefully these new features will prove useful to users of the OMP, and additional updates or improvements may be forthcoming in the future. Feedback on the new features is welcome.