... WFPC2 Status - Proceeding nominally with Cycle 6 science and remaining SMOV monitors. ... NICMOS Status - Engineering Status - John Troeltzsch reported that, during the fine alignment test (7042), a total of 15 filter wheel motion "retries" (14 on FW2 out of a total of 51 motions, and 1 on FW3) occurred overnight. ... OPUS - Data from 7054 was scrambled by OPUS because observations were split across memory dumps and each was pachaged separately by DDF. ... Go back to the Meeting Minutes Page ...

... News Latest News News Archive Newsletter Quarterly Status Report . ... Calibration strategy, status and factors limiting success: Chandra . ... Calibration strategy, status and factors limiting success: XMM-Newton . ... Calibration strategy, status and factors limiting success: Swift . ... Calibration strategy, status and factors limiting success: RXTE . ... Calibration strategy, status and factors limiting success: Suzaku . ... Calibration strategy, status and factors limiting success: Integral . ...

The GPS and GPS Common-view are the methods used to refer measurements made using the Parkes observatory clock ("UTC(PKS)") to Universal Coordinated Time (UTC). ... Transfer from UTC(AUS) to UTC is possible via the offsets reported in Circular T. These methods of the clock corrections commenced on the MDJ 50844. ... Currently used scheme is fully integrated into tempo2 , where fairly regularly sampled values of the offset between pairs of clocks are recorded in ASCII text files, one pair per file. ...

The preliminary version of documentation of the format for the interchange of calibrated optical/IR data being developed by Tom Pauls of NRL and John Young of COAST was presented and a number of issues discussed. The proposed format is in the general form of a relational database with different components stored in FITS binary tables. ... Should there be a single data table type that includes all data types, or multiple table types, one per data type? What data types are needed? ...

... DFS projects To-do lists rules and recommendations . Each DFS project has to manage action items, i.e. create and update his own To-Do list. These lists are all accessible from the specific DFS Department Home Pages (select one project). ... Each To-Do list has to be described via 2 files: . ... The 2 To-Do list files must be regularly updated by each DFS project manager, in order to be reviewed during every corresponding DFS bi-monthly project meeting held with the DFS Department Head . ...

... Next: FITS Checksum Verification Up: Data Models and Previous: A Proposed Convention . ... The FITSIO Subroutine Library has been available for 3 years, and has matured into a stable, full-featured interface for reading and writing FITS format files. ... The FITSIO subroutine library for reading and writing FITS files is now three years old and is used by many projects as the standard programming interface for accessing FITS format data files. ...

... Updates to HST Standard-Star Fluxes . ... These data are in an STScI data base named CRCALSPEC and have been divided into two categories to help the user understand the origin and accuracy of these flux distributions. ... 1990, ApJS, 73, 413) and Oke (1990, AJ, 99, 1621) spectra are available. Oke (1990) used the DoubleSpectrograph on the 5-m Hale Telescope to obtain these spectra for HST calibration; and these data are identified in the HST data bases by the keyword OBSMODE=OKE DBSP. ...

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

OFICCIAL PRESS RELEASE . ... At S.P. Korolev Rocket and Space Corporation Energia the regular session of the Board of Chief Designers on the Russian Segment of the International Space Station (ISS) was held under the chairmanship of N.N. Sevastianov, President, General Designer of RSC Energia. ... Charge RSC Energia (N.N. Sevastianov) with submitting this decision to the Federal Space Agency and higher-level state structures. ... Official WEB-site of S.P.Korolev RSC Energia . ...

... The material in "From Stargazers to Starships" meets several important requirements of the national standards. Pages cited below are from National Science Education Standards National Academy Press, Washington 1995. ... For example: the sections on astronomy not only describe calendars and sundials (including their construction), but also the astronomy of the ancient Greeks, including two different ways in which ancient Greeks estimated the distance to the Moon. ...

... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Infrared astronomy . ... Historical highlights . ... Friends of Arcetri . ... This leads to a number of technical reports which remain often unpublished in the general journals. ... 1993 Reports list. 1994 Reports list. 1995 Reports list. 1996 Reports list. 1997 Reports list. 1998 Reports list. 1999 Reports list. ... Twenty years of Arcetri Technical Reports! ...

... April 3 , and we have been allocated a slot for an AstroStatistics session. ... When you submit an abstract, be sure to indicate a category of ?Other? and in the comments field state that it belongs with the AstroStatistics special session.If you have questions, please contact Aneta or me. There is also a page for this session on the astrostat google groups site. ... Tags: 2008 , AAS , April , astrostatistics , HEAD , Los Angeles , March , Methods , Omni , special session , techniques , workshop . ...

... Updated 2008 December 22nd . ... Updated 2008 December 18th . ... Updated 2008 December 17th . ... Updated 2008 December 16th . ... Updated 2008 December 15th . ... Updated 2008 December 10th . ... Updated 2008 December 2nd . ... Some Videos on our Web Sites . ... Cool October . ... Updated 2008 October 31st . ... Updated 2008 October 15th . ... Updated 2008 October 10th . ... Updated 2008 October 9th . ... Updated 2008 October 8th . ... Updated 2008 October 7th . ... Updated 2008 October 2nd . ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

... Kardashev and Cherepashchuk (Director of Sternberg Astronomical Institute) welcomed the RISC. ... The Lavochkin Association and their collaborators and the ASC were congratulated on successfully passing the three-year mission lifetime in July. ... These include using lunar perturbations of the orbit to i ncrease the apogee to 500,000km, i.e., beyond the lunar orbit, with a ~24 day orbital period (although thi s would be problematic for the Pushchino tracking station). ...

... Bug fixes below are collected in /pub/misc/XFree86OS2/fixes at the same site. If you came here by a notice of this URL in some newsgroup article: Here is the toplevel of the XFree86/OS2 pages . ... The following is the list of recent file dates and sizes from the main archive at ftp.xfree86.org/pub/XFree86/3.3.1/binaries/OS2. ... XFree86/OS2 3.1.2D . ... This fix is recommended because of unrelated bug fixes, but is not required specifically for XFree86/OS2 if you don't have TCP/IP 4.1. ...

... The 1997 conference of the Astronomical Data Analysis Software and Systems Conference series was organized by ST-ECF/ESO during 14 to 17 September, 1997. It was the first time this conference was held in Europe. ... Key topics of the conference were Computational Astrophysics, Computational Infrastructure, Future Technologies, Data Analysis Applications, Education and Public Outreach, Data Flow and Scheduling , Archives Information Services, and Astrostatistics/Data Bases. ...

. I will present an update on the Keck telescope and instrumentation from the recent Keck Science Steering Committee Meeting. I will discuss the status of current instrumentation for the next semester, and provide an update of instruments in the development or proposal phase. I will describe the new Australian Keck TAC process, and I will briefly discuss a potential future Keck-Subaru partnership.

Porting to a new machine or operating system ordinarily requires updating the ./machines directory and the ./compilers directories in order to define the build environment and autoconfigure means. You will probably have to modify the ntp_machines.h file and "l_stdlib.h" files as well. ... Always define a system identifier for any new system added to the machines directory. ... This file is included by the "ntp_types.h" file and should always be placed first after the <> defines. ...

... The external substorm triggering is a complex subject. ... The convection reduction model for substorms is based on the fact that this kind of IMF changes reduce the convection electric field within the magnetosphere. It is also possible that changes in the solar wind could start a substorm (e.g., Ullaland et al., ... Res. ... Henderson, M. G., G. D. Reeves, R. D. Belian, and J. S. Murphy, Observations of magnetospheric substorms with no apparent solar wind/IMF trigger, J. Geophys. ...