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... The Einstein On-Line Service (EOLS) is a simple menu-driven system which provides an intuitive method of querying over one hundred database catalogs. In addition, the EOLS contains over 30 CD-ROMs of images from the Einstein X-ray Observatory which are available for downloading. The EOLS provides all of our databases to the NASA Astrophysics Data System (ADS) and our documents which describe each table are written in the ADS format. ... The EOLS provides three options for data retrieval. ...

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... HST . How do I use the ETC for an emission-line source? ... Missions . ... Data . ... Hubble Heritage Project . Future Missions and . ... Missions Office . ... HST Peer Review Process . Hubble Fellowships . ... HST Overview . Overview . ... Servicing Missions . ... Cycle 24 Announcement . Cycle 23 Results . ... Mid Cycle Submission . ... Phase II Cycle 23 . ... Retrieving HST Data . ... Exposure Time Calculator### * How do I use the ETC for an emission-line source? ...

In calculating the NIFS sensitivity, we adopt a read noise of 5 e - , a dark current of 0.01 e - s -1 pix -1 , and a maximum exposure time of 3600 s. Grating . ... e/pix) . ... OH Cont. (e/pix) . ... NIFS should achieve signal-to-noise ratios of ~ 10 per spectral pixel in a 0.1" 0.1" aperture for single 1800 s exposures on uniform, extended, continuum sources with surface brightnesses of J = 15.4, J = 15.0, H = 14.8, and K = 13.5 mag arcsec -2 using the Z , J , H , and K gratings, respectively. ...

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For calculating model spectra of early-type helium stars in LTE, we maintain a database of atomic data for, mostly, blue-visual absorption lines of light elements. The data is sorted with one file for each ion. ... III = ++ . ... It will work on both complete linelists (including the atomic data at the start and references at the end) or raw ion files (such as Ni2.d). ... A Fortran utility to convert linelists downloaded from the Vienna Atomic Line Database into the new QUB format. synspec_qub . ...

... The photometry is computed by aperture photometry (phototype=0) with an aperture of 6 image pixels (aperturer=6), an inner background annulus radius of 8 image pixels (innera=8) and an outer background annulus radius of 13 image pixels (outera=13). omphotom imageset=P0123920101OMS006IMAGE_1000.FIT backgroundimageset=P0123920101OMS006IMAGE_1000.FIT oldsrclistset=P0123920101OMS006SWSRLI1000.FIT newsrclistset=test.fits sourceno=1 phototype=1 aperturer=6.0 background=10.0 . ...

... CP581 PAGE 2 getocu 09-15-97 10:18:41 Line# Source Line Microsoft C Compiler Version 6.00A 55 { goto E;} 56 } 57 } 58 if ( ser_in_buf [3] == 0x0a ser_in_buf [4] == 1) 59 { putocu(2); ocuwrite(); int_flag = 1;} 60 if ( ser_in_buf [3] == 0x0a ser_in_buf [4] == 2) 61 { putocu(3); ocuwrite(); int_flag = 1;} 62 63 if (ocu2.msg_id == 0x08) /* general commands */ 64 { 65 command = ... auto -0078 i . ... extern struct/array 50 *** ocu3. . extern struct/array 24 *** ser_in_buf. . ...

... HeB , N IRAS sc BiD, ImA HD 288313 05 54 03.00 +01 40 22.0 9.93 K2e tab6_05.ps tab6_05.jpg spec6_05.ps BD+01њ1156 Y-WeT Late Sp.T. LkH 341 06 30 50.13 +10 33 09.8 13.36 B3e tab6_06.ps tab6_06.jpg spec6_06.ps N-TiS Very weak IRAS sc - WeJ HeB MWC 148 HD 259440 06 32 59.26 +05 48 01.2 9.11-9.17 B0/6ep tab6_07.ps tab6_07.jpg spec6_07.ps BD+05њ1291, Hilt 568 N-TiS In NGC ... TiS N IRAS sc-WeJ HeB LkH 350 22 49 07.23 +62 11 08.5 13.51 B2/5e tab6_34.ps tab6_34.jpg spec6_34.ps N-WeJ Norm Be star?? ...

... J/ApJS/117/319 Northern RASS X-ray sources catalog (Appenzeller+ 1998) ================================================================================ Identification of a complete sample of northern ROSAT All-Sky Survey X-ray sources. ... Redshift for extragalactic sources 115-119 F5.2 mag Vmag ? ... Note (2): Net X-ray source count rate as derived after superposition of all ROSAT scan stripes and correction for vignetting and dead time. ...

Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

... Posts tagged ?EotW? ... May 28th, 2008| 01:00 pm | Posted by vlk . ... Tags: Chandra , ciao , convolution , correlation , EotW , Equation , Equation of the Week , Fourier Transform , gaussian , MexHat , Mexican Hat , MH , multiscale , wavdetect , wavelet . ... 1 Comment . ... Tags: aperture photometry , background , background marginalization , background subtraction , celldetect , Chandra , ciao , EotW , Equation , error propagation , ldetect , local detect , wavdetect , X-ray . ... 6 Comments . ...

... It was discovered during 1970's that radiation from electrical power transmission lines is one source of whistler-mode waves in the magnetosphere . Most of the world's power systems use 50 Hz or 60 Hz, but their harmonics in the kHz range (due to mechanical imperfections, nonlinear loads, etc.) can be radiated by transmission lines and leak into the magnetosphere with sufficient intensity to stimulate wave growth and emission generation, much like the VLF transmitter signals. ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

OptInt PmWiki . MROI Delay Line SW / . Edit Page | Page History | ... MROI Delay Line Design Contract . ... Document Management . ... Design Documentation . ... Released FDR Documents . ... MROI DL Production SW Contract . ... Preliminary Design Review . ... MROI Fast Tip-Tilt Contract . ... Review Documents . Design Documents . ... MROI FTT Contract Private Material . Contract Documents . ... MROI DL Design Contract Private Material . ... Local resources . ... Old Resources . ...

... Telescope concept . ... The Submillimetron Project is dedicated to astronomical studies at the submillimeter and far infrared wavelengths using a cryogenic telescope located on the Russian segment of the International Space Station (ISS). The Astro Space Center of the Lebedev Institute of the Russian Academy of Sciences is responsible for developing the Submillimetron Project. ... Currently, the Astro Space Center is carrying out a pre-Project study under contract with the Russian Space Agency. ...

... Home Observing High Line Moon from the High Line . ... Lecture Series 2014-2015 . ... Clear Sky Chart . ... This Month's Sky - 2015 . This Month's Sky - January 2015 . This Month's Sky - February 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

home education > resources . SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy Education Bibliography . ... Astronomical Pseudo-Science . Moon Resource Guide . ... Astronomy of Many Cultures Resource Guide . ... Activity from NOVA to figure out your birthday in the Maya calendar (if you were born 1980 or after): http://www.pbs.org/wgbh/nova/teachers/activities/pdf/2804_maya.pdf . ... The Maya Astronomy Page (Dawn Jenkins): http://www.michielb.nl/maya/astronom.html . ...

... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...