HUBBLE SPACE TELESCOPE DAILY REPORT #2053 PERIOD COVERED: 0000Z (UTC) 02/03/98 - 0000Z (UTC) 02/04/98 Daily Status Report as of 035/0000Z 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed Seven Sets of STIS/CCD 7910 (STIS Extragalactic Parallel Survey) The Space Telescope Imaging Spectrograph (CCD) was used to make extragalactic slitless spectrographic observations as part of the parallel high galactic latitude survey to search for emission line galaxies. Data was taken in parallel, and not subject to proprietary time. As mentioned in 2.1, during the sixth iteration of this proposal, the acquisition defaulted to fine lock one FGS only. Otherwise, the observations were executed as scheduled, and no further anomalies were noted. 1.2 Completed NIC/1/2/3 7819 (A New Stellar Generation in 30 Doradus) The Near Infrared Camera (Cameras One, Two and Three) was used to make observations of the 30-Doradus nebula. There is ample evidence for current star formation within this nebula, which appears to have been triggered by the massive central cluster {R136}, in and just beyond the curved nebular filaments surrounding it. The observations were executed as scheduled, and no anomalies were noted. 1.3 Completed WF/PC-2 7621 (WF/PC-2 Cycle 7 Supplemental Darks PT1/3) The WF/PC-2 was used to make supplemental dark calibration images. This set of calibrations is intended to obtain three dark frames every day to provide data for monitoring and characterizing the evolution of hot pixels. The observations were executed as scheduled, and no anomalies were noted. 1.4 Completed Four Sets of WF/PC-2 7620 (WF/PC-2 Cycle 7 Standard Darks) The WF/PC-2 was used to make a series of Cycle 7 standard dark calibration images. This dark calibration program obtains dark frames every week in order to provide data for the ongoing calibration of the CCD dark current rate, and to monitor and characterize the evolution of hot pixels. The observations were executed as scheduled, and no anomalies were noted. 1.5 Completed WF/PC-2 7505 (The Hubble Diagram for Distant Supernovae Measuring Cosmic Deceleration and Global Curvature) The WF/PC-2 was used to make observations of Super Nova SN1998A1 in order to produce a precise Hubble diagram from measuring cosmic deceleration and global curvature. HST can make an essential contribution by providing photometry with substantially higher precision and better temporal coverage than can be obtained from the ground. The observations were completed as planned, and no anomalies were reported. 1.6 Completed NIC/2 7331 (Near-IR Properties of the Bulges of Spiral Galaxies) The Near Infrared Camera (Camera Two) was used to make infrared observations of the bulge in spiral galaxy NGC-986. Near-IR data at HST resolution are essential for correcting for the effect of dust and will enable us to derive robust nuclear properties for the sample. The observations were executed as scheduled, and no anomalies were noted. 1.7 Completed NIC/1/2 7690 (NICMOS Pointed Super Flats) The Near Infrared Camera (Cameras One and Two) was used to make super flat field calibration observations. The observations will be used to build high signal/noise ratio NICMOS flat fields for the different filters. The observations were executed as scheduled, with no anomalies. 1.8 Completed STIS/CCD 7803 (Daily Darks to Update Acquisition Bad Pixel Table Part III) The Space Telescope Imaging Spectrograph (CCD) was used to make daily dark calibration updates. These daily darks are intended to identify hot pixels for update to the acquisition on-board FSW hot pixel table. Daily hot pixel lists can also be used for science data analysis. The observations were completed as planned, with no anomalies. 1.9 Completed Two Sets of FGS 7906 (Verification of FGS-3 TRANS and POS Mode Verification following the NIC Campaign) The Fine Guidance Sensor Three (FGS-3) was used to make astrometric observations of the star UPGREN69 for verification of the TRANS and POS mode verification following the Near Infrared Camera Campaign. These data will be used to verify that the FGS-3 calibrations have not been compromised by motion of the OTA during the campaign. The observations were completed as scheduled, with no problems. 1.10 Completed Six Sets of NIC/2/3 7907 (NICMOS pure parallel Winter 97-98) The Near Infrared Camera (Cameras Two and Three) was used to make pure parallel spectrographic observations of sky regions when another instrument is prime. As mentioned in 2.1, during the fifth iteration of this proposal, the acquisition defaulted to fine lock one FGS only. Otherwise, the observations were completed as planned, and no further anomalies were reported. 1.11 Completed Two Sets of WF/PC-2 7909 (POMS Test Proposal: WF II Parallel Archive Proposal) The WF/PC-2 was used to make parallel observations as part of the POMS test proposal. This test proposal is designed to simulate scientific plans. The observations were completed as planned, and no problems were reported. 1.12 Completed STIS/CCD 7911 (STIS Galactic Plane Pure Parallel Program) The Space Telescope Imaging Spectrograph (CCD) was used to make low galactic latitude survey observations in parallel with the prime science observations. Short exposures with the 50CCD imaging mode will provide the wavelength zero-point calibration. These data will be placed immediately into the Hubble Data Archive. The observations were executed as scheduled, and no anomalies were noted. 1.13 Completed Two Sets of WF/PC-2 7505 (The Hubble Diagram for Distant Supernovae Measuring Cosmic Deceleration and Global Curvature) The WF/PC-2 was used to make observations of Super Novae SN1998C1 and SN1998D1 in order to produce a precise Hubble diagram from measuring cosmic deceleration and global curvature. HST can make an essential contribution by providing photometry with substantially higher precision and better temporal coverage than can be obtained from the ground. As mentioned in 2.1, during the second iteration of this proposal, the acquisition defaulted to fine lock one FGS only. Otherwise, the observations were completed as planned, and no further anomalies were reported. 1.14 Completed FGS 7679 (Intermediate Plate Scale Calibration (FGS-3)) The Fine Guidance Sensors Three (FGS-3) was used to make observations of star HD-65949 and several other reference stars in order to completed an intermediate plate scale calibration. The essential point of this calibration is to refine our knowledge of the plate scale in the central region of the astrometer FGS for this is where all annual parallax work will be executed by the GOs and GTOs. The observations were executed as scheduled, with no anomalies. 1.15 Completed STIS/CCD 7739 (Star Formation in the Prototype Super Star Cluster R136) The Space Telescope Imaging Spectrograph (CDD) was used to study the star formation in the prototype super star cluster R136. Similarly extreme objects have now been recognized in more distant galaxies, and may in fact be the young analogs of globular clusters. Several offset images and a wave length calibration image were also taken. The observations were completed as planned, and no anomalies were reported. 2.0 FLIGHT OPERATIONS SUMMARY: 2.1 Guide Star Acquisitions: Scheduled Acquisitions : 8 Successful : 8 The acquisition at 034/141928Z defaulted to fine lock on FGS-3 only. HSTAR 6335 was written. The proposals described in 1.1, 1.10, and 1.13 may have been affected. Scheduled Reacquisitions : 1 Successful : 1 2.2 FHST Updates: Scheduled : 17 Successful : 17 2.3 Operations Notes: STIS flight software 4.8, installed yesterday, was activated and is currently being used for STIS operations. NICMOS flight software was installed successfully at 034/1842Z. Memory monitors were installed (at 035/0023Z) to support the on-orbit test on day 037. Memory dump and checksum compares were performed at 035/0058Z. 3.0 SIGNIFICANT FORTHCOMING EVENTS: Continuation of normal science observations and calibrations. /DMH