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2801. Figure 6
Figure 6. The squares show the telescope defocus data from August 15 (Figure 5) plotted as a function of time. For the defocus data the y-axis is in units of ?m. The circles show the telescope altitude in degrees as a function of time. As expected from the good linear correlation seen in Figure 5, the data very much look like they are driven by altitude changes. ... Second, notice that the defocus data consists of pairs of points which were taken at nearly the same telescope altitude. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/altitude.sweeps/aug.14-15.00/graphics/Fig6.html -- 2.8 Кб -- 29.03.2003
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2802. Figure 8
... The temperatures of the air and the telescope truss are shown as a function of time in this figure. ... The air temperature was also decreasing at the time of these measurements which makes the estimate of the time constant for truss cooling given above an upper limit. However, unlike the estimate of the rod cooling time shown in Figure 8, the longer time constant of the truss and the smaller concurrent changes in the air temperature make this a better estimate of the truss cooling time constant. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/altitude.sweeps/aug.14-15.00/graphics/Fig7.html -- 2.2 Кб -- 29.03.2003
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2803. Figure 7
Figure 8a. The cooling of the right, bottom secondary support rod is shown for a night in May of 1996. An accurate time of the enclosure opening is not known, but is thought to have been within 15 minutes of the first data point shown in this graph. The squares show the temperature of the ambient air at the time of the rod measurements. ... M3 is the time constant of the exponential fit in units of inverse seconds. Converting to hours gives a time constant of 1.03 hours . ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/altitude.sweeps/aug.14-15.00/graphics/Fig8.html -- 3.6 Кб -- 29.03.2003
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2804. Figure 9
Figure 9. This shows the geometry of the 3.5m secondary support rods. ... The weight of the cage and mirror is only approximately known. To the left, one of the mounting blocks which is welded to the top of the telescope truss is shown. ... The secondary cage, shown to the right with the secondary mirror is rectangular in shape. ... If the vertex of the secondary mirror is rotated about this point, then no changes will be seen in the coma of the telescope. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/altitude.sweeps/aug.14-15.00/graphics/Fig9.html -- 2.3 Кб -- 29.03.2003
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2805. Figure A1
. Figure A1. This shows the geometry of a lower support rod when weighted and unweighted by the secondary cage. From this follows the equation . which can be rewritten as . For all cases of interest we have the conditions that << 1 and << 1 so that we can effectively ignore the terms and . Doing this gives us the excellent approximation . Solving this for gives . From the figure we can also see that Z = L sin( a). Combining these last two equations gives .
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/altitude.sweeps/aug.14-15.00/graphics/FigA1.html -- 3.2 Кб -- 29.03.2003
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2806. Analysis of the August, 2000 Shack-Hartmann Data
Analysis of the Shack-Hartmann Data Taken on August 14 and 15, 2000: Confirmation of the Tilt Coefficients and an Investigation of the Thermal Response of the Telescope Support Structure . Two nights of Shack-Hartmann data were acquired on the nights of August 14 and 15, 2000. ... This investigation has lead to the conclusion that the thermal changes in the primary to secondary distance are driven by thermal changes in the secondary support rods as well as by thermal changes in the truss. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/altitude.sweeps/aug.14-15.00/report.html -- 42.2 Кб -- 29.03.2003
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2807. Shack_Hartmann Measurements on the APO 3.5m Telescope
Shack-Hartmann Measurements on the APO 3.5m Telescope . In 1999 we installed a Shack-Hartmann sensor made by Spot-Optical on the 3.5m telescope. Since that time we have used it to make various measurements of the optics and support structures on the telescope. Below you will find links to reports using data from the Shack-Hartmann sensor. The Shack-Hartmann Sensor: Initial Trial Measurements . ... Initial Measurements of Telescope Tilt Coefficients: 14 Apr 00 . ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SH_measurements/index.html -- 2.4 Кб -- 29.03.2003
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2808. SPIcam Filter Wheel and Dewar
. Internet Explorer 5.0 or higher is required to view this eDrawing .
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/SPIcam%20Filter%20Wheel%20and%20Dewar.htm -- 1222.1 Кб -- 08.01.2004
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2809. Scatter light Measurements on APO 3
Scatter light Measurements on APO 3.5-m After Installation of M2 & M3 Baffles . ... Image Filename . ... 6627+-58, perfect, used for “flat” . ... We have instead chosen one of the +4 degree images (scatter.0002.fits) for the standard flat field for all of the data shown below. ... These simulations confirm that the contribution of the telescope beam to the flat field is simply a uniform light level which is added to distributions like that seen in Figure 13 from discreet scattered light sources. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/APO/Scattered.light.measurements/The%20Interim%20Report.htm -- 127.5 Кб -- 15.03.2004
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2810. Manastash Ridge Observatory Home Page
... MRO Users Manual . ... Contact Info . ... MRO Home . ... Contact her by following this link, or Dr. Chris Laws at the address given below if you are interested in using the facility. Questions concerning the hardware and software used at the observatory can often be answered by reading the MRO Users Manual and by reading the MRO Observers Check-list . Further questions about the observatory may be addressed to Chris Laws, by calling (206) 529-0910, or by writing to him at this address: . ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/Contact.html -- 5.8 Кб -- 26.04.2006
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2811. Manastash Ridge Observatory Directions Page
... Directions to MRO and Current Road Conditions . You Can Get There From Here (but it isn't easy!) This is a map of how to get to the Manastash Ridge Observatory. ... Please note that as of the winter of 2002 the state in its infinte wisdom has seen fit to save the many salmon in the Manastash Creek by plowing under the Riggs Canyon Road. ... You will travel about 108 miles on I-90 before seeing the Canyon Road exit. ... Umptanum Road is 0.5 miles from the Canyon Road exit. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/GettingToMRO.html -- 8.8 Кб -- 26.04.2006
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2812. Student Research at Manastash Ridge Observatory
Follow-up observations with the University of Washington 0.76 m telescope at Manastash Ridge Observatory (MRO) of the Sloan Digital Sky Survey (SDSS) cataclysmic variable (CV) SDSS J170053+400358 are presented. ... They estimate that the dimming amounted to about 0.028 mag (using two comparison stars that were each about 4 mag fainter than HD 209458). only UW affiliated authors have been listed, student researchers are marked with an ``*'' . ... XTE J1859+226" UW affiliated authors: *Kevin Krisciunas. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/Pubs.html -- 7.1 Кб -- 26.04.2006
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2813. Manastash Ridge Observatory Home Page
... MRO Users Manual . Observers Checklist . ... Getting to MRO . ... MRO Home . ... The Manastash Ridge Observatory (MRO) is located approximately 9 miles West-Southwest of Ellensburg, WA. ... MRO is operated by the Astronomy Department of the University of Washington for the training of graduate and undergraduate students as well as for astronomical research. ... Students who use the observatory must learn the basics of astronomical observing as well as the care and operation of the instrumentation. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/mro.html -- 13.9 Кб -- 28.06.2006
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2814. Figure 1
Figure 1. Light curve measurements of several RR Lyrae variables are shown in this figure. These variables were selected for observation based on data taken from the Sloan Digital Sky Survey commissioning runs 94 (done on 19 Sep 98) and 259 (done on 17 Nov 98). ... In addition to having been observed by the SDSS and at MRO, these variables have also been observed in the LOENEOS data base. In the figure X marks denote LOENEOS data and + marks denote MRO data. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/mro.observations/graphics/Figure1.html -- 2.1 Кб -- 02.10.2000
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2815. RR Lyrae 2
Some Recent RR Lyra Measurements Taken From MRO . This RR Lyrae star (302129) was discovered by Scott Anderson and Armin Rest using imaging data from the Sloan Digital Sky Survey. The attached plot is a folded light curve of data taken by Brandon Lawton and Bridget Kaeding this summer (2000) with MRO (the open squares). ... Because both observatories caught this star on the rising branch, we can get the period quite accurately. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/mro.observations/graphics/Figure2.html -- 1.9 Кб -- 27.05.2004
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2816. http://www.apo.nmsu.edu/users/morgan/MRO/home.page/mro.timerequest.doc
MANASTASH RIDGE OBSERVATORY OBSERVING TIME REQUEST FORM - 2006 Submit requests to Chris Laws (laws@astro.washington.edu) by March 20 for April 1-May 31 observing time and by April 30 for June 1-August 31 observing time. Meritorious proposals received by these deadlines will be put on the MRO Observing schedule immediately. ... Observers must be trained in the MRO systems before their scheduled observing dates. Contact Chris Laws (laws@astro.washington.edu) to arrange training. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/home.page/mro.timerequest.doc -- 26.0 Кб -- 28.06.2006
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2817. Observing procedures at MRO
Observing procedures at MRO . ... FILTER SLIDE ISSUES AND FIXES . ... The limit switch at the number 6 position on the filter slide is still acting up. ... If it happens at that time, the green "power on" light will not come on, and you will not receive the "Welcome to the MRO Filter Slide" message on the TCC. ... Turn off the power to the TCC, the Filter Slide, and the Telescope Drive Motors. ... You should be able to now restart the telescope, the TCC, and the Filter Slide in the normal manner. ...
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Ссылки http://www.apo.nmsu.edu/users/morgan/MRO/users.manual/mro.checklist.html -- 30.0 Кб -- 28.06.2006
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