The 37th European Symposium on Occultation Projects, Czech Republic, August 25 th,
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1 The 37th European Symposium on Occultation Projects, Czech Republic, August 25 th, 2018 HOW TO USE REAL DATA FROM CATALOGUES OF ASTRONOMICAL OBJECTS (NOT ONLY) IN EDUCATION OTA KÉHAR Czech Republic
2 Ota Kéhar / Plzeň / Česká republika RAM/LCC Manager at ŠKODA ELECTRIC, Plzen (RAM = Reliability, Availability, Maintainability; LCC = Life-cycle cost) Eng study at Faculty of Electrical Engineering UWB, Plzen PhD study and now partly job as Assistant Professor at Cooperation with Observatory at Rokycany and Plzen Cooperation with Czech and European Astronomical Societies, with Union of Czech Mathematicians and Physicists Reviewer of Astronomy Olympiad Website creation job hobby
3 Graphs / plots / diagrams are everywhere
4 What students should know about it? Educational Framework Programme for High Schools EN What are advanced functions of application software? CS, macros, pivot tables, databases,, functions, adding columns, using formulas, creating graphs, data sorting,
5 Students' Activities Real Data Students Application software Graphs Visualization
6 Where to easily get Real Data? catalogues with Real Data! Strasbourg Astronomical Data Center vizier.u-strasbg.fr/viz-bin/vizier
7 Multimedia Textbook Astronomia.zcu.cz Planets Galaxies Stars Astronomical photos Astronomers Spacecrafts
8 Catalogues on Astronomia web pages MPC = minor planets simbad.u-strasbg.fr/simbad/ simbad.u-strasbg.fr/simbad/ exoplanet.eu (135 MiB, monthly update, semi-auto) HIPPARCOS = stars (60 MiB, static) SIMBAD (*) = stars (36 MiB, weekly update, automatic) NGC = deep-sky objects (2 MiB, 400 MiB pics, static) weekly update) Messier = 110 deep-sky objects (615 MiB pics, weekly static) update) Exoplanets = exoplanets (3 MiB, daily update, automatic)
9 Vertical axis: Absolute magnitude M Hertzsprung-Russell diagram Horizontal axis: Colour index B V
10 Meteor over China and Czech news There was a bright meteor over China. It was like an earthquake, local people say youtu.be/vr6u1l75lf4 NASA says, meteor reached brightness 2.1 mag and nad-cinou-se-prohnal-jasnymeteor-bylo-to-jako-zemetresenitvrdi-mistni.html
11 Meteor over China and original news
12 Meteor over China and original news
13 Meteor over China and original news
14 Raw Real Data Usage and Processing 1 Browser Worksheet with Procedure & Questions 2 Excel Spreadsheet 3 Diagrams Czech / English versions
15 Physics and Informatics lessons
16 Raw Real Data Usage and Processing 1 Browser Worksheet with Procedure & Questions 2 Excel Spreadsheet 3 45 minutes too difficult for students no Physics, but ICT Diagrams Czech / English versions
17 Comment from students More time is needed, some things were all Greek to me. But it is very interesting. I learned many of new things, but I will never use it... Student from Faculty of Philosophy and Arts
18 Czech comedy From Czech comedy Marecek, Pass Me the Pen!, teacher Hrbolek: No, i skladník ve šroubárně si může přečísti Vergilia v originále. evening classes at a high school pupil Plha (not so clever) Pupil Plha: "I have a question will I use Latin in my field of activity? Teacher Hrbolek: "Which field of activity do you want to dedicate? Pupil Plha: "I work as a warehouse operator in screw factory." teacher Hrbolek (retired teacher) Teacher Hrbolek: "Well, even warehouse operator in screw factory can read Virgil in the original! I am writing you on the list. Pupil Plha: "I still have not decided." Teacher Hrbolek: "You will come every Wednesday at 2 pm, Mlha (fog)!"
19 My comment Original message from comedy: Well, even warehouse operator in screw factory can read Virgil in the original! My message: Well, even student from Faculty of Philosophy and Arts can create Hertzsprung-Russell diagram from Real Data from catalogue of stars HIPPARCOS or SIMBAD
20 Right way how to use catalogues?
21 Right way how to use catalogues?
22 Right way how to use catalogues? Luminosity / Absolute magnitude Luminosity / Absolute magnitude Colour index / Temperature / Spectral type Colour index / Temperature / Spectral type
23 Probably not
24 What about another way? EN version: astronomia.zcu.cz/catalogues CS version: astronomia.zcu.cz/katalogy
25 Online Application Real Data Usage 1 Worksheet with Procedure & Questions 2 Browser 1 second Diagrams in Browser Czech / English versions
26 Catalogues on Astronomia web pages MPC = minor planets (135 MiB, monthly update) HIPPARCOS = stars (60 MiB, static) SIMBAD (*) = stars simbad.u-strasbg.fr/simbad/ (36 MiB, weekly update) NGC = deep-sky objects (2 MiB, 400 MiB pics, static) Messier = 110 deep-sky objects (615 MiB pics, static) Exoplanets = exoplanets exoplanet.eu (3 MiB, daily update)
27 Number of (numbered) minor planets increase 1st 1st thousand 2nd thousand 3rd thousand ten thousand hunderd thousand milion ? (1000) Piazzia two hunderd thousand 2002 three hunderd thousand 2005 four hunderd thousand 2014 five hunderd thousand numbered minor planets
28 Minor planets parameters analysis
29 Absolute magnitude H The apparent magnitude that the object would have if it were one astronomical unit (au) from both the Sun and the observer, and in conditions of ideal solar opposition. Where is the observer?
30 Albedo p 100 % 31 % reflectivity p = 5% p = 25% p = 50% 24 % 4 % 12 % 5 %
31 Historical development of minor planets discovery
32 Historical development of minor planets discovery 1944 (3037) Alku (1568) Aisleen 1947 (1585) Union (1600) Vyssotsky (1747) Wright (2201) Oljato 1960 Palomar-Leiden Survey 1971, 73, 77 Palomar-Leiden Trojan Survey 1807 (4) Vesta 1845 (5) Astraea photo
33 Number of minor planets per semi-major axis
34 Kirkwood gaps Gap Hilda group Trojans
35 Kirkwood gaps 3:1 orbital resonance with 1857 (50) 1866 (91) Kirkwood Gap Hilda group Trojans a = 2,5 au T = 3,95 years a = 5,2 au T = 11,86 years
36 Interesting group of minor planets Near-Earth Asteroids/Minor planets (NEA)
37 Interesting group of minor planets km 1 au Sun Earth Group of Jupiter Trojans (object dimensions and distances are not in scale) 2 2 px 1 1 px
38 Perceptions about distances of planets uniform parts
39 Perceptions about distances of planets uniform parts
40 Mutual distances of Jupiter Trojans n ~ 1700 V = abc c = 6.2 au V ~ 120 au 3 V k = V / n V k ~ 0.07 au 3 ~ 166 thousand of Sun a = 3.0 au d ~ 0.4 au ~ Sun Mercury d d b = 6.3 au D ~ 100 km d (object dimensions and distances are not in scale)
41 quantity Mutual distances of Jupiter Trojans of all minor planets in a group 2.1 au ± 1.2 au the nearest minor planets in a group 0.1 au 10 % of nearest minor planet in a group 0.7 au ± 0.4 au compare to 0.4 au received from volume calculation distance [au]
42 Mutual distances of Jupiter Trojans 150,000,000 km 1 au Sun Earth 300,000,000 km 100,000,000 km 2 au 0.7 au Earth, Jan Earth, Jul Sun Venus 2 2 px 1 1 px (object dimensions and distances are not in scale)
43 Interesting group of minor planets Hilda group Hungaria group Phocaea group
44 Location of minor planet actual location, date change animation forward, back estimation of minor planet temperature estimation of minor planet apparent magnitude trajectory colour (above blue/below red ecliptic) perihelion, aphelion passages closest approach to Earth, far approach to Earth highest, lowest brightness from Earth Kepler s laws
45 Open question galaxies star clusters nebulae Which Deep-sky Objects / Bright stars / Constellations are Above Horizon?
46 Catalogues on Astronomia web pages MPC = minor planets (135 MiB, monthly update) HIPPARCOS = stars (60 MiB, static) SIMBAD (*) = stars simbad.u-strasbg.fr/simbad/ (36 MiB, weekly update) NGC = deep-sky objects (2 MiB, 400 MiB pics, static) Messier = 110 deep-sky objects (615 MiB pics, static) Exoplanets = exoplanets exoplanet.eu (3 MiB, daily update)
47 Night sky Online application Current limitations: location from predefined list only
48 The 37th European Symposium on Occultation Projects, Czech Republic, August 25 th, 2018 HOW TO USE REAL DATA FROM CATALOGUES OF ASTRONOMICAL OBJECTS (NOT ONLY) IN EDUCATION OTA KÉHAR Czech Republic
DATA FROM CATALOGUES OF SOLAR SYSTEM OBJECTS
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