Date: November 7th 2006

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science

DAILY REPORT # 4234

PERIOD COVERED: UT November 03,04,05, 2006 (DOY 307,308,309)

OBSERVATIONS SCHEDULED

NIC1/NIC2/NIC3 8794

NICMOS Post-SAA calibration - CR Persistence Part 5

A new procedure proposed to alleviate the CR-persistence problem of NICMOS Dark frames will be obtained immediately upon exiting the SAA contour 23, and every time a NICMOS exposure is scheduled within 50 minutes of coming out of the SAA The darks will be obtained in parallel in all three NICMOS Cameras The POST-SAA darks will be non-standard reference files available to users with a USEAFTER date/time mark The keyword 'USEAFTER=date/time' will also be added to the header of each POST-SAA DARK frame The keyword must be populated with the time, in addition to the date, because HST crosses the SAA ~8 times per day so each POST-SAA DARK will need to have the appropriate time specified, for users to identify the ones they need Both the raw and processed images will be archived as POST-SAA DARKSs Generally we expect that all NICMOS science/calibration observations started within 50 minutes of leaving an SAA will need such maps to remove the CR persistence from the science images Each observation will need its own CRMAP, as different SAA passages leave different imprints on the NICMOS detectors

WFPC2 10915

ACS Nearby Galaxy Survey

Existing HST observations of nearby galaxies comprise a sparse and highly non-uniform archive, making comprehensive comparative studies among galaxies essentially impossible We propose to secure HST's lasting impact on the study of nearby galaxies by undertaking a systematic, complete, and carefully crafted imaging survey of ALL galaxies in the Local Universe outside the Local Group The resulting images will allow unprecedented measurements of: {1} the star formation history {SFH} of a >100 Mpc^3 volume of the Universe with a time resolution of Delta[log{t}]=0 25; {2} correlations between spatially resolved SFHs and environment; {3} the structure and properties of thick disks and stellar halos; and {4} the color distributions, sizes, and specific frequencies of globular and disk clusters as a function of galaxy mass and environment To reach these goals, we will use a combination of wide-field tiling and pointed deep imaging to obtain uniform data on all 72 galaxies within a volume-limited sample extending to ~3 5 Mpc, with an extension to the M81 group For each galaxy, the wide-field imaging will cover out to ~1 5 times the optical radius and will reach photometric depths of at least 2 magnitudes below the tip of the red giant branch throughout the limits of the survey volume One additional deep pointing per galaxy will reach SNR~10 for red clump stars, sufficient to recover the ancient SFH from the color-magnitude diagram This proposal will produce photometric information for ~100 million stars {comparable to the number in the SDSS survey} and uniform multi-color images of half a square degree of sky The resulting archive will establish the fundamental optical database for nearby galaxies, in preparation for the shift of high-resolution imaging to the near-infrared

NIC2 10893

Sweeping Away the Dust: Reliable Dark Energy with an Infrared Hubble Diagram

We propose building a high-z Hubble Diagram using type Ia supernovae observed in the infrared rest-frame J-band The infrared has a number of exceptional properties The effect of dust extinction is minimal, reducing a major systematic tha may be biasing dark energy measurements Also, recent work indicates that type Ia supernovae are true standard candles in the infrared meaning that our Hubble diagram will be resistant to possible evolution in the Phillips relation over cosmic time High signal-to-noise measurements of 9 type Ia events at z~0 4 will be compared with an independent optical Hubble diagram from the ESSENCE project to test for a shift in the derived dark energy equation of state due to a systematic bias Because of the bright sky background, H-band photometry of z~0 4 supernovae is not feasible from the ground Only the superb image quality and dark infrared sky seen by HST makes this test possible This experiment may also lead to a better, more reliable way of mapping the expansion history of the universe with the Joint Dark Energy Mission

ACS/WFC 10886

The Sloan Lens ACS Survey: Towards 100 New Strong Lenses

As a continuation of the highly successful Sloan Lens ACS {SLACS} Survey for new strong gravitational lenses, we propose one orbit of ACS-WFC F814W imaging for each of 50 high- probability strong galaxy-galaxy lens candidates These observations will confirm new lens systems and permit immediate and accurate photometry, shape measurement, and mass modeling of the lens galaxies The lenses delivered by the SLACS Survey all show extended source structure, furnishing more constraints on the projected lens potential than lensed-quasar image positions In addition, SLACS lenses have lens galaxies that are much brighter than their lensed sources, facilitating detailed photometric and dynamical observation of the former When confirmed lenses from this proposal are combined with lenses discovered by SLACS in Cycles 13 and 14, we expect the final SLACS lens sample to number 80--100: an approximate doubling of the number of known galaxy-scale strong gravitational lenses and an order-of-magnitude increase in the number of optical Einstein rings By virtue of its homogeneous selection and sheer size, the SLACS sample will allow an unprecedented exploration of the mass structure of the early-type galaxy population as a function of all other observable quantities This new sample will be a valuable resource to the astronomical community by enabling qualitatively new strong lensing science, and as such we will waive all but a short {3-month} proprietary period on the observations

ACS/WFC 10882

Emission Line Snapshots of 3CR Radio Galaxies

Radio galaxies are an important class of extragalactic objects: they are one of the most energetic astrophysical phenomena and they provide an exceptional probe of the evolving Universe, lying typically in high density regions but well-represented across a wide redshift range In earlier Cycles we carried out extensive HST observations of the 3CR sources in order to acquire a complete and quantitative inventory of the structure, contents and evolution of these important objects We discovered new optical jets, dust lanes, and revealed point-like nuclei whose properties support AGN unified schemes Here, we propose to obtain ACS emission line images at low and high excitation of 3CR sources with z<0 3, both low- and classical high- power radio galaxies, as a major enhancement to an already superb dataset We aim to probe fundamental relationships between warm optical line-emitting gas, radio source structure {jets and lobes} and X-ray coronal halos We will combine our existing UV images with new emission- line images to establish quantitative star formation characteristics and their relation to dust and merging, and with emission-line excitation maps, test theories on ionization beam patterns and luminosities from active nuclei We will seek jet induced star formation and knowing optical emission-line physics, investigate quantitative jet physics The nuclear emission line properties of the galaxies will themselves be established and used as ingredients in continuing tests of unified AGN theories The resulting database will be an incredibly valuable resource to the astronomical community for years to come

ACS/HRC 10878

An ACS Prism Snapshot Survey for z~2 Lyman Limit Systems

We propose to conduct a spectroscopic survey of Lyman limit absorbers at redshifts 1 7 < z < 2 2, using ACS/HRC and the PR200L prism We have selected 100 quasars at 2 3 < z < 2 6 from the Sloan Digital Sky Survey Spectroscopic Quasar sample, for which no BAL signature is found at the QSO redshift and no strong metal absorption lines are present at z > 2 3 along the lines of sight The survey has three main observational goals First, we will determine the redshift frequency dN/dz of the LLS over the column density range 16 3

ACS/HRC 10877

A Snapshot Survey of the Sites of Recent, Nearby Supernovae

During the past few years, robotic {or nearly robotic} searches for supernovae {SNe}, most notably our Lick Observatory Supernova Search {LOSS}, have found hundreds of SNe, many of them in quite nearby galaxies {cz < 4000 km/s} Most of the objects were discovered before maximum brightness, and have follow-up photometry and spectroscopy; they include some of the best-studied SNe to date We propose to conduct a snapshot imaging survey of the sites of some of these nearby objects, to obtain late-time photometry that {through the shape of the light and color curves} will help reveal the origin of their lingering energy The images will also provide high-resolution information on the local environments of SNe that are far superior to what we can procure from the ground For example, we will obtain color-color and color-magnitude diagrams of stars in these SN sites, to determine the SN progenitor masses and constraints on the reddening Recovery of the SNe in the new HST images will also allow us to actually pinpoint their progenitor stars in cases where pre- explosion images exist in the HST archive This proposal is an extension of our successful Cycle 13 snapshot survey with ACS It is complementary to our Cycle 15 archival proposal, which is a continuation of our long-standing program to use existing HST images to glean information about SN environments

ACS/HRC 10860

The largest Kuiper belt object

The past year has seen an explosion in the discoveries of Pluto-sized objects in the Kuiper belt With the discoveries of the methane-covered 2003 UB313 and 2005 FY9, the multiple satellite system of 2003 EL61, and the Pluto-Charon analog system of Orcus and its satellite, it is finally apparent that Pluto is not a unique oddball at the edge of the solar system, but rather one of a family of similarly large objects in the Kuiper belt and beyond HST observations over the past decade have been critical for understanding the interior, surface, and atmosphere of Pluto and Charon We propose here a comprehensive series of observations designed to similarly expand our knowledge of these recently discovered Pluto-sized and near-Pluto-sized Kuiper belt objects These observations will measure objects' sizes and densities, explore the outcome of collisions in the outer solar system, and allow the first ever look at the interior structure of a Kuiper belt object Our wide field survey that discovered all of these objects is nearly finished, so after five years of continuous searching we are finally almost complete in our tally of these near-Pluto-sized objects This large HST request is the culmination of this half-decade search for new planetary-sized objects As has been demonstrated repeatedly by the approximately 100 previous orbits devoted to the study of Pluto, only HST has the resolution and sensitivity for detailed study of these distant objects

ACS/HRC 10853

M82 as a Fossil Starburst: Probing the Super Star Cluster Content of Region B

The importance of M82 as a benchmark for starburst studies has been recognised by the STScI- sponsored ACS/WFC mosaic of M82 in the B, V, I and H alpha filters This proposal supplements this unique legacy dataset by obtaining U-band observations {F330W filter} of the fossil starburst region B in M82 This region is rich in compact intermediate age {~ 1 Gyr} star clusters The combination of U-band photometry with the ACS/WFC STScI BVI survey and archival NICMOS JH data will allow us to derive accurate ages, luminosities and masses for this rare population of intermediate age massive star clusters The U-band is essential for determining ages of clusters < 2 Gyr old because it measures the depth of the Balmer jump We will use these data to determine the true shape of the cluster luminosity function {CLF} for the M82-B fossil starburst region and thus address the question of whether young massive clusters will eventually become globular clusters

NIC2 10849

Imaging Scattered Light from Debris Disks Discovered by the Spitzer Space Telescope around 21 Sun-like Stars

We propose to use the high-contrast capability of the NICMOS coronagraph to image a sample of newly discovered circumstellar disks associated with Sun-like stars These systems were identified by their strong thermal infrared {IR} emission with the Spitzer Space Telescope as part of the Spitzer Legacy Science program titled "The Formation and Evolution of Planetary Systems" {FEPS, P I : M Meyer} Modeling of the thermal excess emission from the spectral energy distributions alone cannot distinguish between narrowly confined high-opacity disks and broadly distributed, low-opacity disks By resolving light scattered by the circumstellar material, our proposed NICMOS observations can break this degeneracy, thus revealing the conditions under which planet formation processes are occuring or have occured For three of our IR-excess stars that have known radial-velocity planets, resolved imaging of the circumstellar debris disks may further offer an unprecedented view of planet-disk interactions in an extrasolar planetary system Even non-detections of the light scattered by the circumstellar material will place strong constraints on the disk geometries, ruling out disk models with high optical depth Unlike previous disk imaging programs, our program contains a well-defined sample of ~1 solar mass stars covering a range of ages from 3 Myr to 3 Gyr, thus allowing us to study the evolution of disks from primordial to debris for the first time The results from our program will greatly improve our understanding of the architecture of debris disks around Sun-like stars, and will create a morphological context for the existence of our own solar system This proposal is for a continuation of an approved Cycle 14 program {GO/10527, P I : D Hines}

ACS/WFC 10813

MgII Absorption Line Systems: Galaxy Halos or the Metal-Enriched IGM?

MgII QSO absorption lines detected in the spectra of background QSOs were used over a decade ago to infer that all redshift z > 0 2 galaxies have gaseous halos of radius ~ 60 kpc The actual size of the halo was believed to be proportional to the luminosity of the galaxy However, these conclusions are now much harder to understand in light of the results from numerical simulations which show how gas evolves in the universe These models predict that gas and galaxies merely share the same filamentary structures defined by dark matter If these models are correct, how are MgII systems and galaxies really related? We can better understand the distribution of absorbing gas if we FIRST select galaxies close to QSO sightlines and THEN search for MgII absorption at the redshift of the intervening galaxies This is the antithesis of the original experiments which sought to find absorbing galaxies based on known MgII systems The frequency with which we detect MgII lines from randomly selected galaxies should enable us to better understand if absorption arises in the halos of individual galaxies, or if MgII merely arises in the same IGM that galaxies inhabit We have used ground-based telescopes to indentify twenty z = 0 31-0 55 galaxies within 14-51 kpc of a g < 20 QSO, and to search for MgII absorption at the galaxies' redshifts Surprisingly, we find that only 50% of our QSOs show MgII absorption In this proposal, we seek multi-color ACS images of twelve of the fields to i} correlate the incidence of MgII with galaxy morphology; ii} determine if absorption {or lack thereof} is related to galaxy disks or halos; iii} search for signs of galaxy interactions which may explain the large cross-sections of MgII systems; and iv} look for faint interloping galaxies closer to the line of sight than the one we identified An important component of the program is to observe each field in the SDSS g-, r- and i-bands, to permit an estimate of the photometric redshift of any objects which lie closer to the QSO sightline than the identified galaxy, and which might actually be responsible for the absorption

ACS/HRC 10801

Direct Determination of Kuiper Belt Object Diameters with HST

When it comes to fundamental properties of an astronomical object, it is difficult to think of a more fundamental physical property than its size Because of their distance, objects in the Kuiper Belt are generally too small for their disks to be resolved The heterogeneous albedo and color of the Kuiper Belt population makes size estimates from observed absolute magnitude highly uncertain And the long-awaited data from the Spitzer Space Telescope suffers from our ignorance of crucial macro- and micro-physical properties such as spin period, pole orientation, surface roughness, and thermal inertia We propose to add a new dimension to the measurement of KBO diameters by employing two techniques that will directly measure the diameters of three large KBOs We expect to obtain diameter measurements with uncertainties of 10% or better and utilize these to validate and cross calibrate the growing web of diameter measurements for KBOs

ACS/HRC 10800

Kuiper Belt Binaries: Probes of Early Solar System Evolution

Binaries in the Kuiper Belt are a scientific windfall: in them we have relatively fragile test particles which can be used as tracers of the early dynamical evolution of the outer Solar System We propose to continue a Snapshot program using the ACS/HRC that has a demonstrated discovery potential an order of magnitude higher than the HST observations that have already discovered the majority of known transneptunian binaries With this continuation we seek to reach the original goals of this project: to accumulate a sufficiently large sample in each of the distinct populations collected in the Kuiper Belt to be able to measure, with statistical significance, how the fraction of binaries varies as a function of their particular dynamical paths into the Kuiper Belt Today's Kuiper Belt bears the imprints of the final stages of giant-planet building and migration; binaries may offer some of the best preserved evidence of that long-ago era

ACS/HRC/WFC 10758

ACS CCDs daily monitor

This program consists of a set of basic tests to monitor, the read noise, the development of hot pixels and test for any source of noise in ACS CCD detectors The files, biases and dark will be used to create reference files for science calibration This programme will be for the entire lifetime of ACS Changes from cycle 13:- The default gain for WFC is 2 e-/DN As before bias frames will be collected for both gain 1 and gain 2 Dark frames are acquired using the default gain {2} This program cover the period May, 31 2006- Oct, 1-2006 The first half of the program has a different proposal number: 10729

ACS/WFC 10703

Life in the fast lane: The dark-matter distribution in the most massive galaxy clusters in the Universe at z>0 5

We propose two-filter ACS observations of a complete sample of 12 very X-ray luminous galaxy clusters at 0 50 5 HST's unique capabilities will allow us to: 1} measure accurately the clusters' dark matter distribution on scales from tens to more than 500/h_50 kpc from observations of strong and weak gravitational lensing, 2} use galaxy-galaxy lensing to measure the shape, extent, and mass content of the dark-matter halos of both cluster and field galaxies, and 3} study the color morphology of mergers and the star formation history of galaxies in a high-density environment The proposed observations are complemented by Chandra observations of all our targets {all 12 awarded, 11 executed to date} which provide independent constraints on the dark matter and gas distribution in the cluster cores, as well a by extensive groundbased observations of weak lensing on yet larger scales, galaxy dynamics, and the SZ effect

ACS/WFC/NIC3 10632

Searching for galaxies at z>6 5 in the Hubble Ultra Deep Field

We propose to obtain deep ACS {F606W, F775W, F850LP} imaging in the area of the original Hubble Ultra Deep Field NICMOS parallel fields and - through simultaneous parallel observations - deep NICMOS {F110W, F160W} imaging of the ACS UDF area Matching the extreme imaging depth in the optical and near-IR bands will result in seven fields with sufficiently sensitive multiband data to detect the expected typical galaxies at z=7 and 8 Presently no such a field exist Our combined optical and near-IR ultradeep fields will be in three areas separated by about 20 comoving Mpc at z=7 This will allow us to give a first assessment of the degree of cosmic variance If reionization is a process extending over a large redshift interval and the luminosity function doesn't evolve strongly beyond z=6, these data will allow us to identify of the order of a dozen galaxies at 6 56 5 Conversely, finding fewer objects would be an indication that the bulk of reionization is done by galaxies at z=6 By spending 204 orbits of prime HST time we will capitalize on the investment of 544 prime orbits already made on the Hubble Ultra Deep Field {UDF} We have verified that the program as proposed is schedulable and that it will remain so even if forced to execute in the 2-gyro mode The data will be non-proprietary and the reduced images will be made public within 2 months from the completion of the observations

ACS/WFC 10588

The Host Galaxies of Post-Starburst Quasars

We propose to use ACS to conduct a snapshot imaging survey of post-starburst quasars now being discovered in signficant numbers by the Sloan Digital Sky Survey Post-starburst quasars are broad-lined AGN that also possess Balmer jumps and high-n Balmer absorption lines indicative of luminous stellar populations on order of 100 Myr old These objects, representing a few percent of the z < 0 5 quasar population, may be an evolutionary stage in the transition of ultraluminous infrared galaxies into normal quasars, or a type of galaxy interaction that triggers both star formation and nuclear activity These sources may also illustrate how black hole mass/bulge mass correlations arise Ground-based imaging of individual poststarburst quasars has revealed merger remnants, binary systems, and single point sources Our ACS snapshots will enable us to determine morphologies and binary structure on sub-arcsecond scales {surely present in the sample}, as well as basic host galaxy properties We will be looking for relationships among morphology, particularly separation of double nuclei, the starburst age, the quasar black hole mass and accretion rate, that will lead to an understanding of the triggering activity and mutual evolution This project will bring quantitative data and statistics to the previously fuzzy and anecdotal topic of the "AGN-starburst connection" and help test the idea that post-starburst quasars are an early evolutionary stage of normal quasars

ACS/WFC 10551

Gamma-Ray Bursts from Start to Finish: A Legacy Approach

The progenitors of long-duration GRBs are now known to be massive stars This result lends credence to the collapsar model, where a rotating massive star ends its life leaving a black hole or a highly magnetized neutron star, and confirms its essential aspects The focus of attention now is on the black hole or magnetar engines that power the bursts Somehow these engines create the most highly relativistic and highly collimated outflows that we know of, through mechanisms that no current theory can explain These astrophysical laboratories challenge our understanding of relativistic shocks, of mechanisms for extracting energy from a black hole, and of how physics works in extreme conditions The launch of Swift is bringing us into a new era, where we can make broadband observations that will enable us to study these fascinating physical processes We propose here an ambitious, comprehensive program to obtain the datasets that will become the standard that any successful model for the central engine must explain This programs leverages the HST observations to the maximum extent by our commitment of Swift observations, a Large program at the VLA, and extensive ground-based optical resources By studying the engines and searching for jets in a variety of events, this program will investigate the conditions necessary for the engine and jet formation itself

ACS/HRC 10508

Orbits, Masses, and Densities of Three Transneptunian Binaries

The subset of transneptunian objects {TNOs} having natural satellites offers unique opportunities for physical studies of these distant relics from the outer parts of the protoplanetary nebula HST/ACS is ideally suited to determining orbits of TNO satellites, resulting in the system masses In conjunction with thermal emission observations by Spitzer, which provides sizes, we can determine the densities of TNOs Densities offer a powerful window into their bulk compositions and interior structures

ACS/WFC/NIC2 10496

Decelerating and Dustfree: Efficient Dark Energy Studies with Supernovae and Clusters

We propose a novel HST approach to obtain a dramatically more useful "dust free" Type Ia supernovae {SNe Ia} dataset than available with the previous GOODS searches Moreover, this approach provides a strikingly more efficient search-and-follow-up that is primarily pre- scheduled The resulting dark energy measurements do not share the major systematic uncertainty at these redshifts, that of the extinction correction with a prior By targeting massive galaxy clusters at z > 1 we obtain a five-times higher efficiency in detection of Type Ia supernovae in ellipticals, providing a well-understood host galaxy environment These same deep cluster images then also yield fundamental calibrations required for future weak lensing and Sunyaev-Zel'dovich measurements of dark energy, as well as an entire program of cluster studies The data will make possible a factor of two improvement on supernova constraints on dark energy time variation, and much larger improvement in systematic uncertainty They will provide both a cluster dataset and a SN Ia dataset that will be a longstanding scientific resource

ACS/WFC 10494

Imaging the mass structure of distant lens galaxies

The surface brightness distribution of extended gravitationally lensed arcs and Einstein rings contains super-resolved information about the lensed object, and, more excitingly, about the smooth and clumpy mass distribution of the lens galaxies The source and lens information can non-parametrically be separated, resulting in a direct "gravitational-mass image" of the inner mass-distribution of cosmologically-distant galaxies {Koopmans 2005} With this goal in mind, we propose deep HST ACS-F555W/F814W and NICMOS-F160W imaging of 15 gravitational-lens systems with spatially resolved lensed sources, selected from the 17 new lens systems discovered by the Sloan Lens ACS Survey {Bolton et al 2004} Each system has been selected from the SDSS and confirmed in a time-efficient HST-ACS snapshot program {cycle-13}; they show highly-magnified arcs or Einstein rings, lensed by a massive early-type lens galaxy High- fidelity multi-color HST images are required {not delivered by the 420-sec snapshot images} to isolate these lensed images {properly cleaned, dithered and extinction-corrected} from the lens galaxy surface brightness distribution, and apply our "gravitational-mass imaging" technique The sample of galaxy mass distributions - determined through this method from the arcs and Einstein ring HST images - will be studied to: {i} measure the smooth mass distribution of the lens galaxies {Dark and luminous mass are separated using the HST images and the stellar M/L values derived from a joint stellar-dynamical analysis of each system}; {ii} quantify statistically and individually the incidence of mass-substructure {with or without obvious luminous counter- parts such as dwarf galaxies} Since dark-matter substructure should be considerably more prevalent at higher redshift, both results provide a direct test of this prediction of the CDM hierarchical structure-formation model

FLIGHT OPERATIONS SUMMARY:

Significant Spacecraft Anomalies: (The following are preliminary reports of potential non-nominal performance that will be investigated )

HSTARS: 10493 - Reacq(1,2,2) resulted in Fine Lock Backup (1,0,1) REacq scheduled at 307/10:10:41 resulted in fine lock backup on FGS1 Mnemonics QF2STOPF and QSTOP were the only telemetry out of limit indications OBAD1: V1 5 01, V2 -38 43, V3 -0 79 RSS 38 76 OBAD2: V1 -4 77, V2 -8 73, V3 0 09 RSS 9 95

10494 - Reacq(1,2,2) failed to RGA Hold Control Upon acquisition of signal at 307/11:46:34, REacq(1,2,2) scheduled at 307/11:46:34 - 11:54:39 was observed to have failed to RGA Hold due to stop flags (QF1STOPF) and (QF2STOPF) on FGSs 1 and 2 Pre-acquisition OBADs had attitude error corrections (RSS) values of 14 19 and 10 98 arcseconds Post-acquisition OBAD/MAP not scheduled

  REacq(1,2,2) scheduled at 307/13:22:29 resulted in finelock backup
  (1,0,1) using FGS-1 due to stop flag (QF2STOPF) on FGS-2

  Pre-acquisition OBADs had (RSS) values of 1769
27 and 12
67 arcseconds

10495 - Reacq(2,1,2) Failed due to Search Radius Limit Exceeded REacq(2,1,2) failed due to search radius limit exceeded for FGS 2 1st OBAD V1 -71 46, V2 384 78, V3 -27 53, RSS 392 33 2nd OBAD V1 13 69, V2 0 23, V3 7 27, RSS 15 50

10496 - REAcq(2,1,2) Failed to RGA control At 308/13:38:36 REAcq (2,1,2) scheduled from 13:30:42-13:37:53 had failed at RGA control Due to LOS the only data received was from 308/13:37:04 till failure No flags were noted One 486 ESB "1805 - FHST Moving Target Detected" was received at AOS (308/13:37:04) Pre-Acquisition OBADs showed RSS values of 3253 83 & 98 78 a-s Post acquisition OBAD MAP showed RSS value of 7 63 a-s Further information is unavailable till an engineering data dump has been performed

COMPLETED OPS REQUEST: (None)

COMPLETED OPS NOTES: (None)

                     SCHEDULED      SUCCESSFUL

FGS GSacq 26 26 FGS REacq 16 13 OBAD with Maneuver 80 80

SIGNIFICANT EVENTS: (None)

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