... 05sep15:look to see if rfi created in our if/lo. sband radar has been noticing occasional rfi centered on 2380 MHz. ... On 05sep15 i looked to see if the 2380 MHz rfi moved in frequency as i shifted the center of the if/lo band. ... It uses a 2nd IF of 325 MHz. ... sbn . ... 10GHz upconverter . ... Moving the center of the IF1 band or IF2Band did not move the final frequency of the 2382 MHz rfi. the 750MHz mixer and the 10GHz upconverter both gave the same results. sbw gave the same frequency as sbn...

... Our Galaxy . ... Stars . ... Space Flight . ... NGC 2841: a spiral galaxy some 46 million light years away. ... It is especially hard to explain this process of star birth in some spiral galaxies. ... Targets include both star clusters and galaxies, and star formation rates seen range from the starburst galaxy M82 (the Cigar Galaxy) which is creating about ten new stars in its core alone every year to the much less fecund star producer NGC 2841. ... Tweets that mention Baby stars of NGC 2841 | ...

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. ...

I. Installation . ... AMPLE package distributive (created with program InstallShield for Microsoft Visual C++) has been downloaded on FTP server of IAA RAS as archive Ample.zip. ... Note: If the window "file download" appears, select Open... switch button, then press OK button. ... The shortcut for AMPLE will be linked with this folder, and auxiliary files will be created here during AMPLE work. ... When running AMPLE all auxiliary and new configuration files are created in the WORK folder. ...

. This visible light wide-field image of the region around NGC 3582 was created from photographs taken through red and blue filters and forming part of the Digitized Sky Survey 2. The star formation region appears close to the center and is just one part of a vast complex of gas and dust in the southern Milky Way. The field of view is approximately 2.8 degrees across. ESO/Digitized Sky Survey 2. Acknowledgment: Davide De Martin

apomask -- Create an apodizing mask image with zero background and a circular central mask with rounded off edge apomask output xdim ydim radius sigma k xpos ypos . output = "" [image] . ... The X dimension of the input image. ydim = 512 [integer] . The Y dimension of the input image. radius = 12.0 [real] . The radius of the central disk of the output image which is to be set to one. sigma = 2.0 [real] . The sigma of the roll-off region around the central disk. k = 0.5 [real] . ...

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