Eyepieces Forum Message . Forums: . ... F/4 Collimation . ... Posted by Dean Warlin on October 30, 2003 00:56:55 UTC . ... F/4 Collimation - gjeckes - October 30, 2003 - 19:09 UTC . F/4 Collimation - jkoptic - October 30, 2003 - 20:36 UTC . ... Pictures - gjeckes - October 31, 2003 - 05:10 UTC . ... 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" . ...
2012 . ... Whole Issue Roundup (5.5 Mb PDF file) . ... Fall 2012 Issue Roundup (10.4 Mb PDF file) . ... The Space Center Roundup is an official publication of the National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, Houston, Texas, and is published monthly by the JSC Public Affairs Office, for all space center employees. ... More Issues . ... Space Station . ... NASA Home . JSC Home . ... Kennedy Space Center . Marshall Space Flight Center . ... Stennis Space Center . ...
... Table 2 List of Spectral Lines Used in the DEM Reconstruction N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Ion Fe xi Fe xi Fe x Ni xvi Ca xiv Fe xii Fe xxi Fe xi Fe xi Fe xxiv Fe xii Fe xi Ca xvii Fe xii Ca xiv Fe xii (е) 180.41 182.17 184.54 185.23 186.61 186.89 187.93 188.23 188.30 192.03 192.39 192.83 192.85 193.51 193.87 195.12 log Tm (K) 6.2 6.2 6.2 6.4 6.6 6.3 7.1 6.2 6.2 7.2 6.3 6.2 6.8 6.3 6.6 ... Columns correspond to different flares; rows denote different spectral lines. ...
МОДЕЛЬ VAL_A 1981 МОДЕЛЬ ФОТОСФЕРЫ ВЕРНАЗА АВРЕТТ ЛОЕЗЕР A ( 1981 ) J.E.VERNAZZA, E.H.AVRETT, R.LOESER ApJ Suppl 1981 V45 PP.635-725 COLUMNS 11 LINES 52 N номер п/п h высота (км) z масса столба (г/см^2) TAU LGT оптич.глубина TEMP TETA температура (K) VMI микротурб.скорость (км/с) NH концентрация водорода (см^-3) NE LGPE концентрация электронов (см^-3) PTOT LGPG полное давление = PG + PVMI (+PRAD?) (дин/см^2) PG_PT ...
... 5-GHz total flux density . ... VLBApls image at 5 GHz . color gif | contour gif | ... Correlated flux density (Jy) vs. projected baseline length plot . gif | ... flux density (Jy) . EW position (mas) . ... major axis (mas) . minor axis (mas) . position angle ( ) . ... 0.5 0.1 . ... 5 GHz: see Gurvits et al. ... 15 GHz: multiple epoch VLBI images are available in the VLBA 2-cm survey (Kellermann et al. ... VLBApls reference: Fomalont et al. ... VLBApls home page . ...
... ТЕОРИЯ СПЕКТРАЛЬНОЙ КЛАССИФИКАЦИИ . ... ОБЪЯСНЕНИЕ СПЕКТРАЛЬНОЙ КЛАССИФИКАЦИИ . ... Например, в звездах спектрального класса А0 водород ионизован более, чем наполовину, хотя температура их атмосфер в 12-15 раз меньше потенциала ионизации атома водорода. ... К тому же для задач спектральной классификации, как мы убедились выше, гелий значительно интереснее водорода, так как его линии более чувствительны к температуре, а их интенсивность ближе к интенсивности линий других химических элементов 3 . ...
... I used Ѕ inch thick Appleply plywood throughout. ... The mirror box is a little unusual. ... The original design uses a fiberglass tube to connect the mirror base plate to the top ring to form the mirror box. ... I decided to build the mirror box like a standard secondary cage instead, using aluminum tubes with push-in inserts. ... All three tubes are retained at the mirror box and the secondary ring using nine, 1-inch thick Appleply clamps, three at the secondary and six on the mirror box. ...
... Since it is obviously impossible to tune a feed at such a tempera 324 ± 8 MHz 1664 ± 60 MHz 4832 ± 60 MHz 120° 18 dB Elliptic (simultaneous reception for two orthogonal polarizations) 0.9 Ellipticity Efficiency 98% BP axial symmetry <0.1 dB VSWR value at LNA input <1.2 Decoupling between polarization channels of one frequency 23 dB band Decoupling between frequency bands 15 dB 403 404 0° P=3 =4 TURYGIN 90° =5 180° =6 270° P=1 P=2 Fig. ... Fig. ... Decoupling of a 1664 MHz feed in the 18 cm range. ...
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... done Forming the data quality image and setting some BAD pixels test256.fits - testspec1dq.fits Forming the noise image on the background rub1_19.fits - modelback1.fits specholucy input table for 3 point source spectra: X (pix) Y (pix) Slope (/pix) # Table demopos.tab Tue 14:39:34 25-Jan-2005 # row xchan ychan slope # 1 128.000 120.500 0 ... Point sources and background spectra NOT converged !- Point source no. 1; % flux change 17.98404 !- Point source no. 2; % flux change 55.14075 !- ...
... HOME . ... MICROSCOPES . ... Home Products Microscopes Multiscopes EA-5 attachment . EPI-BRIGHTFIELD / DARKFIELD / POLARIZATION (EA-5) ATTACHMENT . ... For contrast enhancement, two filter slots accept the three included filters (green, blue and yellow]. ... The EA-5 Epi-lllumination attachment is used with high-performance Achromatic Epi-Objectives able to act as their own Darkfield or Brightfield condenser, therefore allowing quick change between contrast techniques. ... Field Flatness . ...
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... XPS D450 Dell / Dimension XPS R400 Dell / Dimension XPS R450 Dell / Dimension XPS T550 Dell / Dimension 4100 NEW I Processor Type Pentium III Pentium II Pentium III Pentium II Pentium III Pentium II Pentium II Pentium II Pentium II Pentium III Pentium III Core Logic Chipset 820 440LX 440BX 440FX 820 440LX 440BX 440BX 440BX 440BX 815E 850i 440BX ... 04/10/2001 CUSL2 BIOS version 1002. ... III. ...