Uploads by SiriusB

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This special page shows all uploaded files that have not been deleted; for those see the upload log.

File list
Date Name Thumbnail Size Description
08:27, 22 July 2024 St. Olaf Breklum 2024.jpg (file) 2.2 MB Uploaded own work with UploadWizard
13:46, 6 June 2022 Blastcurves psi.svg (file) 73 KB Modification of the Mach-to-Regular reflection zone interpolation.This steepens the
12:16, 16 April 2018 Airy disk D65.png (file) 68 KB Gamma 0.8 is sufficient in linear RGB and also looks better on sRGB displays.
10:00, 25 December 2016 Linear visible spectrum CIECAM02.svg (file) 45 KB Manually edited to get vectorized colour gradient.
17:13, 17 December 2016 Linear visible spectrum ciecam02.png (file) 4 KB User created page with UploadWizard
17:22, 2 December 2012 A0V-blackbody SPD comparison.png (file) 62 KB The x-axis tics were hidden by the solid fill below the stellar SPD. Also changed the order of the key labels to be more intuitive.
15:19, 14 December 2011 Blackbody efficacy 1000-16000K.svg (file) 42 KB Fixed a nasty and unnecessary typo...
19:36, 6 September 2011 Blackbody sRGB energy-units.png (file) 5 KB Replotted now using the original 1931 CIE CMFs rather than the Judd51/Vos78 ones. The correlated color temperature closed to the D65 standard illuminant (NOT the RGB point closest to 1,1,1) is now at 6504 K as it should be.
20:59, 3 September 2011 Blackbody sRGB quantal-units.png (file) 5 KB Applied gamma correction
19:37, 11 August 2011 Orbit 61 Cygni arcsec.png (file) 72 KB {{Information |Description ={{en|1=Trajectory of 61 Cygni B relative to A as seen from Earth (inclined ellipse) and from above (horizontal ellipse). Axis unit is arcseconds, where 1 arcsec = 3.4865 AU. Orbital data from: Hartkopf, W. I.; Brian D. Maso
16:09, 9 August 2011 Orbit Sirius B arcsec.png (file) 82 KB The previous file based on partially incorrect values (which have now been corrected in the article [http://en.wikipedia.org/wiki/Sirius en:Sirius]. The new figure is based on accepted data by van den Bos (1960). There were also some minor style edits.
20:12, 8 August 2011 Orbit Alpha Centauri AB arcsec.png (file) 84 KB {{Information |Description ={{en|1=Trajectory of Alpha Centauri B relative to A (fixed to the coordinate origin) as seen from the Earth (inclined ellipse) and face-on (horizontal ellipse). The orbit parameters are taken from [http://adsabs.harvard.edu/
12:27, 3 March 2010 MPIfR Bonn.jpg (file) 2.2 MB Image slightly brighter (GIMP)
15:24, 2 March 2010 AIfA Bonn.jpg (file) 2.53 MB {{Information |Description={{en|1=The Argelander-Institute for Astronomy of the University of Bonn. It occupies the southern wing of the building while the rest belongs to the Max Planck Institute for Radioastronomy. The border between both institutes is
14:30, 7 September 2009 Mandelbrot near tail.jpg (file) 1.65 MB {{Information |Description={{en|1=Detail of the Mandelbrot Set near the tail of the "apple man". The corner coordinates are: Lower-Left = 2.500997159722E-01 -2.028081597178E-06 Upper-Right= 2.501005840278E-01 -1.377039930511E-06 20,000 iterations}
14:43, 21 November 2008 Mushroomcloud Size.svg (file) 54 KB {{Information |Description={{en|1=Final height h and radius r of a nuclear mushroom cloud as a function of the explosive yield W. The final height is approximately the height above the burst point for low and intermediate W and approx. the height above se
14:26, 21 November 2008 Blast wave standard curve.svg (file) 76 KB {{Information |Description={{en|1=Standard curves for overpressure and dynamical pressure of a 1-kiloton sea-level free-air burst (free-air means without shock reflection). Range is in metres, pressure in kilopascals. The blue line indicates the standard
12:53, 21 November 2008 Nuclear Fireball Radius and Temperature.svg (file) 51 KB {{Information |Description={{en|1=Diameter and temperature vs. time of the fireball of a 20 kiloton nuclear air burst (near sea-level). Self-generated fit of curves in Glasstone & Dolan, The Effects of Nuclear Weapons (1977).}} {{de|1=Durchmesser und Temp
09:31, 4 July 2008 Derenbachbruecke 20080630.jpg (file) 526 KB {{Information |Description={{en|1=The normally submerged Derenbachbrücke (bridge) at the drinking water reservoir Wahnbachtalsperre in Summer 2008.}} {{de|1=Die normalerweise überflutete Derenbachbrücke in der Wahnbachtalsperre im Sommer 2008.}} |Sourc
08:20, 28 June 2008 Wahnbachtalsperre Niedrigwasser 2008-06-27.jpg (file) 1.64 MB {{Information |Description={{en|1=The reservoir of the Wahnbachtalsperre (Wahnbach dam) near Siegburg (Germany), view from the visitor's platform at the south-east side of the dam. The water level has been lowered by about 20 metres (65 feet) due to maint
08:38, 26 January 2008 Solar Middle-Edge Variation.png (file) 26 KB {{Information |Description=Description: Middle-edge variation of the apparent intensity of the sun for 380 (far violet), 555 (yellow-green) and 780 nanometres (far red). The curves are calculated by using the formula :<math>{I(R) \over I(0)}=\frac{1+\beta
20:23, 2 April 2007 Breklumer Kirche 01.jpg (file) 687 KB {{Information |Description = Church of Breklum, Schleswig-Holstein, Germany |Source = own work |Date = Nov. 7, 2006 |Author = Ingo Thies |Permission = Licensed under GFDL and CC-BY 2.5 by the author |other_versions = - }}
14:16, 22 April 2005 Lunar eclipse lightcurve fitted with dust.png (file) 39 KB * Same as Image:Lunar eclipse lightcurve fitted.png), but with 5% dust enhancement (100% means that used in Image:Lunar eclipse umbra lightcurve dark arcmins.png). Now the upper right part fits better to the reference data. * Author: [[User:Siri
13:06, 22 April 2005 Lunar eclipse umbra lightcurve dark arcmins.png (file) 48 KB * Intensity curve of Earth's umbra with stratospheric dust above 12 km (leading to a dark ecplipse near Danyon value 4), plotted against phase angle (geometric umbral rim means zero, negative means outside the umbra). * Author: SiriusB *
11:58, 22 April 2005 Lunar eclipse umbra lightcurve arcmins.png (file) 46 KB Same as Image:Lunar_eclipse_umbra_lightcurve.png but plotted against angle (arcmins) instead of time (minutes) {{GFDL}}
07:11, 6 April 2005 Lunar eclipse umbra lightcurve dark.png (file) 48 KB Fixed wrong right x label
07:07, 6 April 2005 Lunar eclipse umbra lightcurve.png (file) 46 KB Fixed wrong right x label (I for intensity)
11:32, 1 April 2005 Lunar eclipse lightcurve fitted.png (file) 39 KB * Theoretical lightcurve of a lunar eclipse (using homogenous lunar albedo and distance of 380000 km). Data from [http://www.amsmeteors.org/mallama/lunarecl/ Anthony Mallama] for comparison. Errorbars indicate rounding error from Mallama's data. * Author:
10:36, 4 February 2005 Nuclear Fireball Radius and Temperature.png (file) 63 KB Better quality
10:32, 4 February 2005 Blast wave standard curve.png (file) 64 KB Better quality
10:24, 4 February 2005 Blastcurves 1.png (file) 104 KB Better quality
09:55, 11 January 2005 Corona Brightness Profile.png (file) 16 KB Better quality, same content
15:40, 20 December 2004 Sun projection with spotting-scope v0.jpg (file) 238 KB Earlier photograph of the Sun as an example for amateur sun photography
09:33, 8 December 2004 Mach effect sequence.png (file) 8 KB Chronological sequence of a Mach-reflected detonation wave
15:15, 7 December 2004 Sun projection with spotting-scope.jpg (file) 78 KB Projection of the Sun using a spotting scope
14:50, 7 December 2004 Interacting Galaxies 3.png (file) 9 KB Simulation of interacting galaxies, after fly-by
14:43, 7 December 2004 Interacting Galaxies 2.png (file) 8 KB Simulation of interacting galaxies, near closest encounter
14:12, 7 December 2004 Interacting Galaxies 1.png (file) 7 KB Simulation of interacting galaxies, shortly before fly-by
13:24, 7 December 2004 Solar eclipse lightcurve.png (file) 5 KB Theoretical light curve of a total solar eclipse