| 開發人員: | University Centre in Svalbard (UNIS) (1) | ||
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描述
An Aurora Compass is included that shows where the auroral oval [1,2], the Moon and the Sun are located as you look up at the sky from your location. The phase and age of the Moon is also visualized in the compass. By zooming out in the 3D view port, satellites, stars and planets appear in their orbits [3] around the Sun.
FEATURES
- 3D view port of Earth.
- Solar illumination of the Earth and the Moon.
- Aurora oval size and location in real time.
- Day side location of the red Cusp.
- Forecasts based on predicted Kp index estimated by the Space Weather Prediction Centre (NOAA-SWPC).
- Includes a 2.4 million star map [4].
- City light texture [5].
- Earth, Sun and Moon textures [6,7].
- Sky view module to track planets and stars [8].
- 3-day space weather condition forecast as news ticker.
- Two-Line Element (TLE) satellite orbit calculations [9].
- Skyview navigation.
- 3D Laser Star pointer to identify star signs.
- Sounding rocket trajectories.
- Sun and Moon daily elevation plots with rise and set time.
- Epoch selection for magnetic pole position [10]
- Ovals based on polar orbiting satellites data [11]
- Target web links added to satellites, stars, planets and position.
- All-sky camera links to the Boreal Aurora Camera Constellation (BACC).
- Sky color animation [12,13].
- Zhang and Paxton ovals [14].
- Earth shadow calculations in twilight
- Youtube demonstration.
References
[1] Sigernes F., M. Dyrland, P. Brekke, S. Chernouss, D.A. Lorentzen, K. Oksavik, and C.S. Deehr, Two methods to forecast auroral displays, Journal of Space Weather and Space Climate (SWSC), Vol. 1, No. 1, A03, DOI:10.1051/swsc/2011003, 2011.
[2] Starkov G. V., Mathematical model of the auroral boundaries, Geomagnetism and Aeronomy, 34 (3), 331-336, 1994.
[3] P. Schlyter, How to compute planetary positions, http://stjarnhimlen.se/, Stockholm, Sweden.
[4] Bridgman, T. and Wright, E., The Tycho Catalog Sky map- Version 2.0, NASA/Goddard Space Flight Center Scientific Visualization Studio, http://svs.gsfc.nasa.gov/3572, January 26, 2009.
[5] The Visible Earth catalog, http://visibleearth.nasa.gov/, NASA/Goddard Space Flight Center, April-October, 2012.
[6] T. Patterson, Natural Earth III - Texture Maps, http://www.shadedrelief.com, October 1, 2016.
[7] Nexus - Planet Textures, http://www.solarsystemscope.com/nexus/, January 4, 2013.
[8] Hoffleit, D. and Warren, Jr., W.H., The Bright Star Catalog, 5th Revised Edition (Preliminary Version), Astronomical Data Center, NSSDC/ADC, 1991.
[9] Vallado, David A., Paul Crawford, Richard Hujsak, and T.S. Kelso, Revisiting Spacetrack Report #3, AIAA/AAS-2006-6753, https://celestrak.com, 2006.
[10] Tsyganenko, N.A., Secular drift of the auroral ovals: How fast do they actually move?, Geophysical Research Letters, 46, 3017-3023, 2019.
[11] M. J. Breedveld, Predicting the Auroral Oval Boundaries by Means of Polar Operational Environmental Satellite Particle Precipitation Data, Master thesis, Department of Physics and Technology, Faculty of Science and Technology, The Arctic University of Norway, June 2020.
[12] Perez, R., J,M. Seals and B. Smith, An all-weather model for sky illuminance distribution, Solar Energy, 1993.
[13] Preetham, A.J, P. Shirley and B. Smith, A practical model for daylight Computer Graphics, (SIGGRAPH 99 Proceedings), 91-100, 1999.
[14] Zhang Y., and L. J. Paxton, An empirical Kp-dependent global auroral model based on TIMED/GUVI data, J. Atm. Solar-Terr. Phys., 70, 1231-1242, 2008.
螢幕擷取畫面
新功能
- 版本: 9.1.0
- 發佈日期:
- Earth shadow height calculations in twilight conditions. Terminator line may also be shown.
價錢
- 今天: 免費
- 最小值: 免費
- 最大值: 免費
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- University Centre in Svalbard (UNIS)
- 平台: iOS 應用程式 (1)
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