Sheet1 - WM Keck Observatory.xls

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Sheet1 - WM Keck Observatory.xls Powered By Docstoc
					                                                                                       Keck Observatory Next Generation Adaptive Optics - Science Case Requirements
                                                                   Instan-                                                       Imag      Spec Spec           Photo- Astro- Polari-                                 GS Sky                                                                                                                    Absolute
                                                  Wave-              tan- Objects              Des- Typ.               #         Samp      Expos Samp Spectral metric metric metry Companion Extended GS GS GS on- Cove                                                  Science        Science                                                Pointing
                                                  length Object eous         /sq       Mag     ired Expos. # survey nights Image ling Spec Time ling   Reso- accur. accur. accur. Sensitivity Structure mag mag dia. axis rage                                         Instrument     Instrument                                               Registrati
            Science Case                        (microns) dia. (") FOV (") arcmin      limit   SNR (sec) objects / year quality (mas) SNR (hrs) (mas) lution   (mag) (mas)    (%)    (delta mag)  ?      V   K  (")   ?    (%)                                         1st priority   2nd priority        Additional Requirements or Details    on (")
            Solar System
Multiple Asteroidal Systems                                                                                                                                                                                                                                                                          Differential tracking needed (<70"/hr)
 Main Belt Multiples (ex: 87 Sylvia)   0.7-2.5               <0.5      3       <1    V=7-17    100 1-100 100 (5000)30(3yrs)        140nm     Nyq                              na      0.05(rel)   <5     na     > 5.5 at 0.5"    no     <17   <15.5 <0.5   yes    na   Vis camera       NIRC2+       need service observing
 2003 EL61 (TNO multiple)              1.1-2.5               1.5       3       <1    V=17-21    40 60-1800   60    10(2yrs)        160nm     Nyq    300     900               400     0.05(rel)   <10    na           ?          no      21   19.5 <0.1    no     na    NIRC2+                       need service observing
 Size & Shape                          0.7-1.1               <0.5      2       <1    V=7-17    100 1-100 300 (2200)12(2yrs)        140nm     Nyq                              na         0.1       na    na          na          no     <17   <15.5 <0.5   yes    na   Vis camera        none        need service observing
 Moonlet Spectroscopy                  0.7-2.5               1.5       2       <1    V=7-17    100   900   ~120       7            140nm     Nyq    300     900               400        0.1      <10    na     > 5.5 at 0.5"    no     <17   <15.5 <0.5   yes    na   WF OSIRIS        NIRC2+       need service observing
Giant Planet Satellites
 Titan surface & atmosphere           0.83-2.5                 1       2       <1      V=8 200       1-300        1        3       140nm     Nyq    300     300               1000      0.05      na     na          na          no      8    6.5 0.8 yes         na Super OSIRIS      NIRC2+    Assuming have NIRC2. Service obs useful
 Io Volcanism                         0.7 - 5.3              1.2       3       <1      V=5 200       1-300        1        2       140nm     Nyq    300     300                400      0.05      na     na          na          no      5    3.5 1.2 yes         na   Vis camera      NIRC2+    Assuming have NIRC2. Need service observing
 Other                                 0.7-2.5               <0.4      3       <1     V=5-17 100     1-300       10        3       140nm     Nyq    300     300                400      0.05      na     na          na          no    <15.7 <14.2 <0.5 y/n       na    NIRC2+      Super OSIRIS Low priority (not thought through yet)
Giant Planet Atmospheres                                      40               <1                                                                                                                        na          na          40"                    no                  ?              ?     Not thought through yet
               Galactic                                                                                                                                                                                                                                                                          High Strehl, narrow field only
Galactic Center Dynamics                                                                                                                                                                                                                                                                         confusion limited
 Astrometry                          1-2.5;L;M?               10      10        1      K=18 tbc       tbc         1                  tbc     Nyq                               na       0.01      0.1     na    4 at 0.055"(K)   no      14 H=9 1          no   na      NIRC2+
 Radial Velocities                     1.5-2.5                10      1         1      K=18 tbc       tbc         1                  tbc                             10      4k;15k      na       na      na    4 at 0.055"(K)   no      14 H=9 1          no   na     WF OSIRIS                 10km/s
Debris Disks                           0.7-3.5               <=20    <=20       1            10
                                                                                      H<20mag/"2     0.5-5       50                120nm      7                               100       0.02      na     <0.5    > 10 at 0.5"    yes    4-20 13-20 1       yes na NIRC2+ w/coron & vis cameraRT telemetry for psf;IR TTS;det readnoise <5e;NGS mode
Direct Imaging of Planets                                                                                                                                                                                                                                                                        static wfe~10nm needed for sensitivity
 Search & detection (Brown dwarfs)     1.1-2.5                2        2        1      J=22    10    <3600      200     10 (2yr)     tbc     5-10                             na        0.1       <5     na      > 10 at 0.5"    no     na J=12-16 1       y/n 30-50 NIRC2+ w/ improved coron. high efficiency desired
 Search & detection (Young stars)      1.1-3.5                2        2        1      K=22    10    <3600      500     10 (2yr)     tbc     5-10                             na        0.1       <5     na      > 10 at 0.5"    no        J=12-16 1
                                                                                                                                                                                                                                       10-19               yes 30-50 NIRC2+ w/ improved coron. high efficiency desired;NGS mode?
 Characterization                    0.9-2.5;L?               2        2        1              40   few hrs     12                   tbc                            5-10      100      < 0.05     1      na      > 10 at 0.5"    no                1           30-50 IFU or multichannel imager NGS mode (young stars)?
Protostars Circumstellar Environments                                                                                                                                                                                                                                                            IR TTS required
 Imaging                               0.6-13                <30     <30        1     I=9-24   15      60       200        6       120nm      7                                 5       0.02      na     <1          na          yes     na   9-15 <3      y/n na Vis & IR cams                  Surface brightness distrib of interest
 Spectroscopy                          0.6-13                <30     <30        1     I=9-24   30     900       100                120nm      7                              3k(disk)   0.02      na     na          na          yes     na   9-15 <3      y/n na IR spec R~4k
                                                                                                                                                                           20k(outflow)                                                                                             IR spec R~20k
             Extragalactic
Nearby Galaxy Stellar Populations  0.5-2.4                    1
                                                  bigger better 000's K=22-23 na    3600                                           high SR diff lim na      na      na        na       < 0.05     na      na       na                                      high  Vis+NIR imager Vis+NIR IFU
                                                                                                                                                                                                                            pt sources faint as poss pt no as poss
AGNs & Super-massive Black Holes 0.8-2.4+Ha 1-10      >10      <0.06 varies     5 1800-7200                                        high SR diff lim 10-20 several diff lim   >3000     < 0.1      10    unsure > 10 at 0.5"     yes                        high    Vis+NIR IFU Vis+NIR coronagraph
                                                                                                                                                                                                                                                   varies no as poss                        KPAO
Field Galaxies
  All galaxies (K < 20)                                          10    K=22                                                                                                                                                                                      high                                KPAO 1st; deployable IFUs 2nd
  HDF Irregulars (0.5 < z < 1)                       bigger      5     within       3600-                                 100              diff                                                                                          faint as                 as   deployable      Vis+NIR
  Lyman Break Galaxies (R < 25)    0.7-2.4   0.1-5 better        3       2"     5   7200                                 (4yr)     unsure lim? 10-20         4-8    100      >3000     < 0.1      50     na          na          yes     possible    pt    no    poss vis+NIR IFUs     imager
Gravitational Lensing                                                                                                                                                                                                                                                                          multicolor useful
  Clusters                                        bigger better 10 K=22 wi/2" 5 1800-7200
                                   0.9-2.4 1x(20-30)                                                                               high SR diff lim 10-20    4-8    100      >3000     < 0.1      30     na          na          yes   faint as poss pt     high  NIR                          MCAO or
                                                                                                                                                                                                                                                           no as poss deploy IFUsNIR imager (to 0.9um) MOAO
  Single galaxy                    0.9-2.4   1-5?      5?       rareK=23-24 wi/2" 1800-7200
                                                                                5                                                  unsure diff lim? 10-20   4-8?    100      >3000     < 0.1      50     na          na          yes   faint as poss pt     high   1 Vis+NIR IFU 1 Vis+NIR imager
                                                                                                                                                                                                                                                           no as poss                          KPAO
Explanations:          Image quality:           Please provide in units most appropriate to the science case (i.e., rms wavefront error, encircled energy, FWHM, etc.)
                                     GS:        This is the guide star used for low order wavefront sensing (tip/tilt, etc.).
                           WF OSIRIS:           Wide field OSIRIS
                               NIRC2+:          NIRC2 with better wavefront quality & better detector
          Critical performance metrics:
  Created/edited by PW w/ input from FM & RD     3/13/2006
             Edited by PW w/ input from TSIS     3/14/2006
         Edited by PW w/ input from ML & CM      3/17/2006
              Incorporated CfAO retreat input    3/31/2006
                       Incorporated ML input     4/14/2006
                  Incorporated CM & FM input     4/17/2006
         Incorporated CM & TSIS retreat input    4/19/2006
                       Incorporated FM input     5/8/2006
                  Incorporated FM & AG input     5/15/2006

				
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