BayTech PS-4C Guida alla Risoluzione dei Problemi

FLAMINGOS at the KPNO 2.1-mAn Observer's GuideDick Joyce, Nick Raines, Richard ElstonVersion 2.39, 2011 May [email protected], Ver. 2.39, 2011 Ma

Array Temperature Quick Look Plot Tool – This GUI will appear, along with an xterm messaging window. Please do not close this window or the associate

III.Nightly Startup TasksA. FLAMINGOS SetupWe recommend that you carry out the following procedures prior to each night's observing.1. Restart al

about face-level in height. Do not stand close enough to the vent such that liquid nitrogen can splash you in the face!• Close the valve on the stor

In this example the data disk on flamingos1a, /data, is 44% full, and has 38 GB of available space. For imaging you should ensure that there is at le

6. Set up header information, data location, file names. Several parameters need to be set before taking an exposure. The script config.exposure.pl

MacMini for analysis or archiving on storage media such as a USB drive. From a terminal on second-1 or 2, run% ~/bin/mirror flamingos1a /data/2mgue

• Note: δRA and δDec must be in arcseconds (see the previous step).• Look at the compass arrows in ds9 to determine which of (x, y) corresponds to

root = ugc3371.j Root infile name?First = 21 First image in set?Last =

7. Variation of focus with temperature and airmass. The telescope changes focus due to temperature variations; the focus value will increase with de

IV.Imaging with FLAMINGOSA. OverviewFLAMINGOS may be used for imaging through J-, H-, K-, and Ks-band filters. Sky emission in these bands is variabl

ContentsI. FLAMINGOS + KPNO 2.1-m OverviewII. Starting FLAMINGOSIII.Nightly Startup TasksA. FLAMINGOS SetupB. Startup on the SkyIV.Imaging with FLAMIN

On the FLAMINGOS command line:config.dither.kpno.pl Set up a sequence of images dithered about a common pointing center.config.exposure.pl Set filena

printed to the screen. It is unnecessary to hit the Update All Items button on the UFSTATUS GUI during execution of either of these scripts. It is,

pattern and take images. Immediately after hitting return this script print out information about the requested dither pattern, and it will ask you t

If you need to take many darks at several different exposure times, consider writing a cshell (csh) script which consecutively calls config.exposure.p

V.Taking Spectra with FLAMINGOSA. OverviewFLAMINGOS may be used for obtaining long slit spectra at the 2.1-m; please see § I. FLAMINGOS + KPNO 2.1-m

Figure 4: Schematic of the UF 3pix long slit (left) and NOAO slit (right). The acquisition box for the NOAO slit is 20 arcsec square at the 2.1-m.

The following commands are used for long slit and MOS plate spectroscopy:On the Flamingos command line:config.exposure.pl Set up the filename and expo

C. Long Slit Alignment1. Verify telescope pointing.• Acquisition can be done with the Decker wheel in mos, MOS wheel in imaging, Filter wheel in H, an

Walking up the slit:• Move the star up the slit in steps of 10" for a total of 5-7 positions. The MOS mask slits are 120" long, so one can

Answer "y" to this last query; it will then print some numbers and other information to the screen. It will conclude with:The MOS dither scr

I. FLAMINGOS + KPNO 2.1-m OverviewFLAMINGOS is the FLoridA Multi-object Imaging Near-ir Grism Observational Spectrometer. This manual provides the us

Are you ready? (y/n)This script will prompt you through the above 5 steps. Do them quickly, as guiding will be off during them, and it needs to be re

It should print out some statements such asMoving guide box to lock position 2.Executing /home/raines/gdrrpc/gdrrpc guide pos2gdrrpc reply =Executing

1. Carry out the following steps at the telescope:• Stop guiding (cf. Figure 8 of Guider GUI's).• Turn down the guide camera gain (cf. Figure 3,

VI.Shutting Down at the End of the NightAt the end of a long and (we hope!) productive night of observing, there are a few things that need to be done

VIII.Troubleshooting1) Problem: The image looks funny. You can see all 32 amplifiers, and the signal level is ~58,000 ADU; the preceding or followi

casts a large amount of thermal radiation on the lower right hand corner of the array.c) Check that the MOS dewar temperature is lower than 200 K. I

RPC-3 Telnet Host Revision F 4.20a, (C) 1999 Bay Technical Associates Unit ID: flmn-4m-1b Enter username>mce4pow Enter password&

testing that the fiber is working.Figure 6: Fiber optic converter boxes below MCE4 (left panel) and below perle (right panel)c) Problem: The image

Wheel]. The script ends by saying that the time for the wheel's motion to complete has expired.The Initialize Wheels button will execute the scr

IX.Contacts & Further Information1. Dick Joyce, Ron Probst, and/or Nick Raines will help new observers during their first night of observing with

Filters: J, H, K, Ks, JH (0.9 μm – 1.8 μm), and HK (1.25 μm – 2.5 μm) bandpass filters.Grisms: Two grisms are available, covering the JH (0.9 μm – 1.

Appendix 1: FLAMINGOS Command Listing and Partial Description of FunctionA. Basic Instrument Configuration Commandsconfig.exposure.pl Set object, fil

F. Resetting the MCE4 Array Controller, the Motor Controller, and the PerleFrom flamingos1a:1. telnet baytech userid: mce4pow, motorpow, or perl

H. Instrument Engineering Commandscenter.of.rotation.pl Determine the center of rotation from 3 points.config.location.pl Copy the correct Flamingos F

Appendix 2: Readout [email protected], Ver. 2.39, 2011 May 13 Page 43 of 46Figure 7: Array Readout Timing. All 4 quadrants of the array are r

Appendix 3: XBOX Default Parameter List for Instrument at PA = 0 degreesPACKAGE = ucsclrisTASK = xboximage = target.0001 imageinput = box1 input file

Appendix 4: Additional Notes on MOS PlatesAn example MOS plate for use at the 4-m is shown adjacent, in Figure 8, at approximately full size (~105 mm

Appendix 4: Additional Notes on MOS Plates: A Figure of the MOS Wheel, Useful When Loading Plates MOS Position PA Name

Data Acquisition & Storage: While you are taking data, all data will be located on flamingos1a in /data/2mguest/<UTDATE>/. If you type df

[email protected], Ver. 2.39, 2011 May 13 Page 6 of 46Figure 1: FLAMINGOS Functional Diagram. The relative layout and connections between the various

Imaging SensitivityFWHM = 2 pixels (1.2 arcsec)Aperture 2.8 arcsec diameterBande/s for mag=15sky 10 σ limiting magnitudemag-arcsec-2e-sec-1-pixel-160

II.Starting FLAMINGOSWhen you arrive at the 2.1-m telescope, you may have to bring up the FLAMINGOS windows and initialize the system (this should hav

5. Open an xterm, and initialize FLAMINGOS. 2mguest@flmn-2m-1a{4} xterm -T FLAMINGOS -n FLAMINGOS &Type all following FLAMINGOS commands within