... rgssources is now backward-compatible, ie it can read source lists which were created in the pre-sas-5.1 format. ... The INSTRUME keyword is written. Standard values are written to the TELESCOP , FILTER , ORIGIN , RADECSYS and EQUINOX keywords. ... The LABEL values of the proposal and onaxis sources are uppercase-converted respectively to `PROPOSAL' and `ONAXIS'. ... Offaxis sources are given LABEL values of `OFFAXISnnnnn' where nnnnn is the number of offaxis sources so far detected in the file. ...

... This is done from within the keyword handler work() which is activated by the keyword WORK= . ... h #include init.h #include finis.h #include userfio.h #include ggi.h /* * Keyword handler for QUIT= */ static void quit(ident id, char * key , int code, void *arg) { bool finished=toflog(FALSE); ( void )userflog( , 1, 2, key , ); if (tobool(finished)) finis_c(); } /* * Keyword handler for both NUMBER = and GETAL= */ static void number (ident id, char * ...

Target Acquisition Reference Information . Figure 7.1 on page 88 shows mean predicted count rates as a function of (B - V) 0 color for the four acquisition mirrors. Also shown are the fits to the predicted count rates for different amounts of reddening. ... You can estimate target acquisition count rates using the plots instead of Table 7.1 on page 92 : . ... Read from the Figures (depending on the mirror used) the predicted count rate. ...

... 2015 September 1 . Distant Neutrinos Detected Below Antarctic Ice . Image Credit: IceCube Collaboration , U. Wisconsin , NSF . ... The IceCube Neutrino Observatory near the South Pole of the Earth has begun to detect nearly invisible particles of very high energy. ... Pictured here is IceCube's Antarctic lab accompanied by a cartoon depicting long strands of detectors frozen into the crystal clear ice below. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... Data may be optionally rescaled. copyheader copy header keywords from one FITS file to another ( see also FTOOL cphead ). copywcs copy just the World Coordinate System keywords from the header of one FITS image to others. fcolappend append a constant column to a FITS table fitsparsename Prints components of the extended FITS file name. fitspha convert ASCII files to FITS PHA ( See also listhead supplied with FITSIO. modifyheader modifies FITS header. ...

... Hale-Bopp and the Plateau de Bure Interferometer . ... Credit: A. Rambaud, IRAM team, France Explanation: Comet Hale-Bopp is being observed by many different telescopes. ... These telescopes are being used to detect the presence of different molecules in the coma and tail of Comet Hale-Bopp. ... The abundance of different types of molecules in Comet Hale-Bopp 's coma give clues to its composition and history, as well as clues to the composition and history of our Solar System . ...

Next: Discussion Up: No Title Previous: Parameters of binary compact . Under the assumptions made above, we can calculate the binary merging rates in the Galaxy R . ... Figure: The dependence of different compact binary merging rates in a model ``elliptical'' galaxy (where all the stars were formed simultaneously at the moment t =0) with mass M . The horizontal line shows the mean merging rate of binary NS in a spiral galaxy of the same mass with a stationary star formation. ...

Next: Hierarchical keywords Up: FITS keywords Previous: Standard keywords . Besides the standard FITS keywords defined in the FITS documents, it is possible to use other, non-standard keywords. Such non-standard keywords have no global definition and may be interpreted differently by different FITS readers. ... Due to the freedom to use non-standard keywords it is important to know their excact definitions when transfering data between different systems. ...

... AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) · Detected 5 galaxies in the group KDG 010 dw0137+1540 UGC 1171 AGES Precursor ...

... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

As it is in Ephemerides task, O–C can be calculated with different accuracy. ... It presents three modes of accuracy. One can calculate position of a minor planet by the formulae of elliptic motion starting from the fundamental set of elements for given minor planet. ... Also there is possibility to calculate positions taking into account perturbations from different sets of perturbing bodies by numerical integration ( Integration mode). ... Accuracy of integration is equal to 10**(–10) AU. ...

... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

. ATMOSPHERIC INFLUENCE ON THE DIFFERENT RADIO-ENGINEERING . SYSTEM FUNCTIONING . The calculations of the atmospheric impact on terrestrial and satellite communication links with frequencies above 10 GHz using the ITU-R data bank. The correction of the Earth cover optical images obtained from the satellite/ . The Earth atmospheric influence on the radiowave propagation parameters in wide frequency range (from SLF to UV). Contact e-mail: . Pozhidayev Victor, Ph.D - vic@cplire.ru . © IRE RAS 1996-20 11

Magnetic stars, 2004, 247-249 Study of magnetic fields of different luminosity hot stars Butkovskaya V., Plachinda S. Crimean Astrophysical Observatory, Nauchny, Crimea, 98409, Ukraine Abstract. Circular sp ectrop olarimetric observations of four different luminosity hot stars were obtained in an attempt to detect magnetic fields via longitudinal ° Zeeman effect in the sp ectral line HeI 6678.149 A: Pegasi (Sp B2 IV), Orionis (Sp B2 I I I), Orionis (Sp B3 I I Ie), Persei (Sp B1 Ib). ...

... R.S. Furuya, R. Cesaroni, C. Codella, L. Testi, R. Bachiller, M. Tafalla . We present the results of high angular resolution observations at millimeter wavelengths of the high-mass star forming region G24.78+0.08, where a cluster of four young stellar objects is detected. ... One of the sources is detected only in the continuum at 2 and 2.6~mm and we suggest it may represent a good candidate of a high-mass protostar. Mantained by: Leonardo Testi . ...

The ETG Mass - Size relation in different environment from z~1.6 to present Simona Mei - GEPI - Observatory of Paris - University of Paris D. Diderot Marc Huertas-Company , Francesco Shankar , Lauriane Delaye, Rossella Licitra, Anand Raichoor, Mariangela Bernardi, Chris Lidman + ACS GTO, COSMOS collaborators Wednesday , September 4, 13 Anand Raichoor Marc Huertas-Company Lauriane Delaye Rossella Licitra Francesco Shankar Wednesday , ... 2013 HAWKI Cluster survey (Lidman et al. ...

... For object magnitudes greater than this magnitude the major source of signal is from the sky. ... Number of electrons= sky в gain в number of pixels per resolution element. nsky =0.023в2.33в20=1.1 e- s-1 Object brightness less than brightness of the sky : (means that sky noise will be the dominant noise source). object sky 4.9 в 10 6 1.1 2.5112 m m 17 Therefore sky limited in B band for m 17th magnitude Counts = number of counts , t=exposure time 4.9 в106 ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...