Next: A New IRAF Catalog Access Tool for Astrometry . Up: Iraf Packages . ... Twofitlines is a tool developed within IRAF, optimized to be used with data containing multiple spectra along the spatial axis of the detector. A given spectral feature can be decomposed in one or several Gaussian components. ... A given spectral feature can be modeled using one or more components (currently only Gaussian profiles are available), . ... Close spectral features could be modeled simultaneously. ...

Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...

FGS Instrument Handbook for Cycle 24 . ... Fine Guidance Sensor Instrument Handbook for Cycle 24 > Chapter 7: FGS AstrometryData Processing > 7.4 Epoch-Level Processing . ... 7.4.1 Parallax, Proper Motion, and Reflex Motion . 7.4.2 Binary Stars and Orbital Elements . ... This is true whether the goal is to determine the parallax, proper motion, or reflex motion of an object measured in Position mode, or the orbital elements of a binary system observed in Transfer mode. ...

... Hierarchy and stability 3. Stability criteria for triple systems 4. ... The results for selected systems with weak hierarchy (physical properties of components) System HD 40887 AB+CD HD 76644 AB+CD HD 217675 AB+CD HD 222326 A?+BC HD 284419 A+BC Spectral types K5V, M0V, K4V, ?? ... More accurate results for selected systems HD 217675/6 ( And) Quadruple system More accurate results for selected systems HD 217675/6 Pair B1B 2 More accurate results for selected systems HD 217675/6 (Zhuchkov et al. ...

. This quantity is the physical maximum velocity rotation corrected for inclination, expressed in km/s. It is deduced from the parameter vmaxg after correcting for inclination using incl . This rotation velocity is calculated from both the 21-cm line widths at different levels and/or the available rotation curves (generally H_alpha rotation curves). The rotation of the stellar component is given in the parameter vmaxs . HyperLeda . Questions: prugniel@obs.univ-lyon1.fr

Find Similar Abstracts (with default settings below ) . ... Also-Read Articles . ... Parameters of the 41 Dra system components . ... 00/2001 . ... Stars: Binaries, Binaries: Fundamental Parameters, Binaries: Individual . ... 61B Based on spectral and speckle-interferometric observations of the system 41 Dra, model atmosphere parameters of the system components have been derived: component Aa - T eff = 6500K, lg g = 3.99, R = 1.87 R solar , component Ab - T eff = 6500K, lg g = 4.11, R = 1.61 R solar . ...

Next: Stellar models Up: Introduction Previous: Photometry Contents . In a hierarchical stellar system, the separation between two neighboring stars is always much smaller than the separation of this pair from the next companion in the system, be it another pair or a single star. ... They are also numerically easier to handle than non-hierarchical systems, since each pair can be described with the standard orbital parameters, and each star with a small number of physical parameters. ... System . ...

Atmospheric influence on the different radio-engineering system functioning . ESTIMATION OF ATMOSPHERIC OPTICAL CHARACTERISTICS AND REMOTELY SANSED IMAGE CORRECTION . ... Direct transmittance estimation results for 12 channels of the spectrometer CHRIS. ... We have managed to develop a direct method of estimating the discrete Normalized Atmospheric Point Spread Function (NAPSF) from available images alone, not using any external sources of information about the atmosphere. ... IRE RAS 1996-20 11 ...

... 2006: . ... Components of the systems are low mass stars and white dwarfs. For 14 pairs orbit parameters were calculated and masses and luminosities of components were determined for the first time. ... As a result of a multifrequency monitoring of the variability of a micro quasar Cyg X-3 (X-ray binary system which probably consists of a black hole and a high mass Wolf-Rayet star) a high activity period was registered for the first time in the last 4 years. ... Archive . ...

... Meta Index / Home Page This section documents the parameters recognized by this task (if any). Parameter . ... yes . dataset . ... Whether to construct the OOTE image directly from the event list or indirectly from a source list. ... Name of the event list dataset used to construct the OOTE image. This parameter is read if style =`evlist'. srclisttab . ... Name of the source list dataset and table used to construct the OOTE image. ... sky . ... This parameter is read if outputstyle =`sky'. ...

... CentralProcessor 0.11 documentation . ... An option for continuum imaging is to run self-calibration at the same time. ... Use this parset in ccalibrator to calibrate the antenna-based gains . Re-run imaging, applying the latest gains table . ... At the end, the final gains calibration table is kept in the main output directory (as this can then be used by the spectral-line imaging pipeline). ... User Parameters - Continuum imaging . User Parameters - Mosaicking Continuum images . ...

II-VI compound crystal growth, HPVB & HPVZM basics . ... Developed and first time applied for II-VI compound crystal growth in our lab back in late sixties [1]. ... Basics . The II-VI compounds have particular physical-chemical properties that present a challenge for the crystal growth. ... In the general case of II-VI compounds and HPVB growth conditions: . ... These peculiarities of composition stipulate another problem of the II-VI compound crystal growth from the melt - "bubbles". ...

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? ...

The data in the Table on p. 5788 – 5789 embrace estimated parameters for 128 binary systems in near Earth, Mars crossing, main belt and Trojan orbits (more than 90% of corresponding objects are marked in the Table "Minor planet lightcurve parameters" as undoubtedly binary and in other cases as suspected binary). ... The data were presented by P. Pravec (Astronomical Institute, Academy of Sciences of Czech Republic) (see Pravec, P., Harris, A. W., 2007. Binary Asteroid Population. ...

... SPARCompiler(TM) Fortran 90 1.0 . FORTRAN 77 3.0.1 . ... important of these. -ansi: Report non-ANSI extensions. -c: Suppress linking, produce .o files -e: Recognize extended (132 character) source lines -fast: Specify common set of performance options - fixed : Interpret all Fortran source files according to fixed form rules -flags: Print summary of compiler options -fnonstd: Non-standard initialization of floating-point hardware -fnonstop: Execute without trapping on invalid, overflow ...

Physical parameters for subdwarf B stars with composite spectra R. Aznar Cuadrado, C.S. Jeffery, Armagh Observatory, College Hill, Armagh BT61 9DG New intermediate-resolution spectra have been obtained for a number of subdwarf B stars having both single and composite spectra. Physical parameters have been determined for the sdB stars and, in composite-spectrum systems, their cool companions. ... The surface gravity of the cool star is measured using the infrared calcium triplet. ...

... Contacts: Evgeny A. Loupian, Dr. Sci., e-mail: evgeny@smis.iki.rssi.ru Sergey A. Bartalev, Dr. Sci., e-mail: bartalev@smis.iki.rssi.ru Web interface for burnt area mapping using Landsat data Stellar Tracker In 2013 IKI RAN together with the NPK "Electrooptics" completed the phase of the five-year research on studying the ways to build a stellar inertial navigation system (SINS) for aviation applications. ... Fig. 1 shows the SINS layout created on the basis of the astronomical camera. ... Fig.1. ...

... 18-Jan-2010 17:22 . ... Apache/2.2.3 (CentOS) Server at www.wdcb.ru Port 80 ...

SINCom - the new program package for combined processing of space geodetic observations O. Brattseva, I. Gayazov, S. Kurdubov, V. Suvorkin IAA RAS, Saint Petersburg, Russian Federation, ipa@ipa.nw.ru The SINCom software package is developed for combined processing of different space geodesy observations. ... Header line) +(BLOCK TITLE) .. ... Further iterative improvement of satellite orbit parameters is also possible - single-technique combination ("horizontal" scheme) of daily solutions. ...

Arecibo World Day data description . ... The F-region program covers the altitude range of 140 - 660 km. ... The KINDAT code in the CEDAR database for these parameters is 2010. ... The KINDAT code in the CEDAR database is 2021 for this kind of data. The barker-code program allows the measurement of electron concentration at a height resolution of 0.6 km with a very high S/N. This program typically covers the altitude range of 60 - 500 km. The KINDAT code in the CEDAR database is 2015. ...