ERS -1,2 SAR . ... SIR-C/X SAR . ... European Remote Sensing Satellite (ERS-1) was launched on 17 July 1991, and the follow mission ERS-2 (with the same sensors and an Ozone monitoring instrument added) was launched on 21 April 1995. ... The Spaceborne Imaging Radar-C/X-band Synthetic Radar (SIR-C/X-SAR), carried in the cargo bay of the Space Shuttle Endeavour in April and October of 1994, simultaneously recorded SAR data at three wavelengths (L-, C-, and X-bands; 23.5, 5.8, and 3.1 cm, respectively). ...

... The 209 candidates were selected from our first and second priority samples introduced in Paper IV. Of 169 first priority candidates, 141 objects appeared in our list as new ones. 28 objects were listed in the NED as galaxies or objects from various catalogs with known redshifts and some of them already had information on emission lines in earlier publications. ... The ``random selected sample'' was created to access the fraction of BCGs in the second priority list and contains 43 objects. ...

System Throughput and SNR / Exposure Time Estimation . ... Figure 6.11 shows the photometric monitoring data for the standard star GRW+70D5824 (a white dwarf classified DA3; B-V = -0.09) in the WF3 and PC1 for the set of filters which are routinely monitored. ... Figure 6.12 shows the throughput decline in all four chips as a function of days since the last decontamination for the F170W filter. ... Figure 6.12: - Throughput for the F170W Filter Following Decontaminations. ... Time. ...

... Team . ... All the results we present were obtained with the SCORPIO instrument mounted at the 6-m telescope of SAO RAS. TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1090 SUBJECT: GRB001109, Host Galaxy Spectroscopic Observations DATE: 01/09/08 07:28:47 GMT FROM: Vladimir Sokolov at SAO RAS <sokolov@sao.ru> . ... TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1092 SUBJECT: GRB001109, Host Galaxy Astrometry DATE: 01/09/11 08:19:24 GMT FROM: Vladimir Sokolov at SAO RAS <sokolov@sao.ru> . ...

... We will consider the rms, (K), for observations with a receiver of system temperature, T , frequency resolution, per polarization, and total integration time per observing cycle, . ... For ``in-band'' frequency switching, the line under investigation is always in the observing band. ... Position Switching or ``Out-of-Band'' Frequency Switching: Here the line is only observed for one half of the time, with noise being present all of the time. ...

IF <logical expression> THEN <statement>.. ELSEIF <logical expression> THEN <statement>.. ELSE <statement>.. CIF . ... ELSEIFs when present must precede any corresponding ELSE. ... When the IF or ELSEIF condition has the value .TRUE., the statements following are executed and control is transferred to the statement following the CIF. ... When the IF and all ELSEIF clauses have a value which is .FALSE., control is passed to the statement following the corresponding ELSE or CIF. ...

As an obligatory preparing for the application to participate in the IAO a short report of National Olympiad of the current year with a set of all problems used on the Olympiad has to be presented by the applicating team. ... The final minutes (protocols written in Latin or Cyrillic in form of tables) of the Olympiad (evaluating of solutions of the students participated in the last stage of the Olympiad) should be included as well. ... Historical data of the National Astronomy Olympiad: . ...

Introduction This catalogue contains mainly the atomic data needed in the astrophysical investigations of low-density plasma. It is a revised and extended version of the "Catalogue of Atomic Data for the Rarefied Astrophysical Plasma" (Golovatyj et al. ... Low-density plasma. ... In the present study we represent only the atomic data for computation of sp ectra of low-density astrophysical plasma (most known kinds of it are gaseous nebulae), their thermal and ionization structure. ...

... Let be a random deviate which follows a Poissonian probability distribution about the expectation value . Although the Poisson distribution itself is only defined for integer , one can find the following continuous `envelope function' to the Poisson values: . ... where is the gamma function . ... The expectation value of is . ... Equation 5 is used both in the present program and in boxdetect to estimate the null-hypothesis probability distribution of the weighted sum of Poissonian images. ...

The first series of images refers to NGC 1672, a barred spiral. We present a gray scale V-band image to show the overall morphology, followed by an intensity map in H-alpha which shows how the H II regions are distributed, followed by the velocity map. ... Different colors refer to different velocities as the galaxy is rotating. ... The following image is an H-alpha intensity map of the spiral galaxy NGC 1292. ... This next image is an H-alpha intensity map of the spiral galaxy NGC 1406. ...

The following characters can be used to create regular expressions for searching on patterns with grep . Always quote the regular expression. This prevents the shell from interpreting the special characters before it is passed to the grep command. c any non-special character represents itself \\c turns off the meaning of any special character ^ beginning of a line $ end of a line . ...

Armagh Planetarium Events News of events at Armagh Planetarium . ... Education . ... Written by AP_admin on February 29, 2016 in Family Events . ... Over five weeks, the course takes a season by season look at the stars in their constellations and the mythology surrounding them.б We will look at how to spot satellites and planets too. If you want to discover the amazing objects we can all see at night, this is the course for you. ... Stargazing the Night Sky? ... 2016 Armagh Planetarium Events. ...

Next: The Stopping Radius in Up: ``Ecology'' of Magnetic Rotators Previous: The Environment of the . Now we consider qualitatively the effect of the electromagnetic field of a magnetic rotator on the accreting plasma. ... What is important is that both relativistic particles and magnetic dipole radiation will transfer their momentum and hence exert pressure on the accreting plasma. ... 2) The pressure of the accreting plasma is high enough to permit the plasma to enter the light cylinder . ...

... A preliminary analysis shows that the definition of a common format for spectra is a big challenge. ... Survey among Spectral Data Providers and Consumers 339 · Elodie: 25000 extracted Echelle spectra , resolution 42000, 4000 - 6800 ° on the fly processing options available: wavelength resampling, flux A calibration etc., total volume 50 - 100 GB · ESO/ST-ECF, 250000+ observations taken with 14 spectrographs in UV, optical, near IR; archive is rapidly growing · HEASARC: Variety of ...

REFEREE REPORT: %% %% %% As made clear by the title of the paper and the observational %% evidence presented, the authors believe that the correct %% identification of HS1216+5032 is as a physical quasar pair, albeit %% with one component showing the rather unusual combination of %% BAL troughs and significant radio luminosity. ... Removed most of the discussion of dark lenses and cosmology, and deleted the section on BALQSOs. ... The paper now totals 5.5 pages, down from 10. ...

... The Boolean object is an object wrapper for a boolean value. ... JavaScript 1.3: added toSource method . ... If value is omitted or is 0, -0, null, false, NaN , undefined, or the empty string ( "" ), the object has an initial value of false. All other values, including any object or the string "false" , create an object with an initial value of true. ... For Boolean objects and values, the built-in toString method returns the string "true" or "false" depending on the value of the boolean object. ...

Instruments and Methods 133 Sky temperature resolution by microwave radiometry A.G. Kislyakov State University, Nizhny Novgorod, Russia Introduction The threshold sensitivity of a radiometer is determined by well known equation Karlov & Manenkov, 1966 " hE i = h hn i +1 hn i + N t G0 , 1 G0 1=2 : 1 Here we denote hE ias the minimum detectable increment of radiation spectral density E at a frequency . ... Equation 3 gives a correction to the expression for limit detector sensitivity Kislyakov, 1997. ...

... ST-ECF . ABOUT ST-ECF . ... After an initial agreement between NASA and ESA in 1977 and following Hubble's more than twenty years in space and 110,000 orbits of the Earth, the aim of this conference is to celebrate the huge contributions made by the Hubble observatory to our knowledge and understanding of the Universe. ... David Southwood . ... Robert O'Connell . ... Robert O'Dell . ... Questions and information: HST3@stecf.org . ... Maintained by HST 3 Webmaster <HST3@stecf.org> . ...

Blackholes Forum Message . ... Good Question. ... We really don’t know what causes gravity ( mass properties ) only how it works in the present universe state. ... It may be that you have just proven your assumption is wrong and gravity/mass properties do depend on the present universe state to exist. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Peremennye Zvezdy ( Variable Stars ) 35 , No. ... We present the results of our new observations of QS Draconis, a recently discovered double-mode high-amplitude Scuti variable, HADS(B) type. ... Our CCD observations in the Johnson bands were performed at the Tien Shan Astronomical Observatory of the V.G. Fesenkov Astrophysical Institute, at the altitude of 2750 m above the sea level. ... The finding chart (Fig. 1) identifies the variable star, comparison star, and check star. ... Fig. ...