Cithakan:Solar System Infobox/Sun
| |
| Data pangamatan | |
|---|---|
| Let rata-rata saka bumi |
1.496×108 km 8 min 19 s ing kacepetan cahya |
| Kacerahan visual (V) | −26.74 [1] |
| Magnitudo mutlak | 4.83 [1] |
| Klasifikasi spektral | G2V |
| Metallicity | Z = 0.0122[2] |
| Ukuran pojok | 31.6′ – 32.7′ [3] |
| Tembung sifat | surya |
| Karakteristik orbital | |
| Let rata-rata saka inti Milky Way |
~2.5×1017 km 26000 taun cahya |
| Periode galaksi | (2.25–2.50)×108 a |
| Kacepetan | ~220 km/s (orbit sekitar pusat Galaksi) ~20 km/s (rélatif dhumateng kacepetan rata-rata lintang liya ing sekitar lintang) ~370 km/s[4] (rélatif dhumateng latar wuri gelombang mikro kosmik) |
| Karakteristik fisik | |
| Rata-rata diameter | 1.392×106 km [1] 109 × bumi |
| Radius katulistiwa | 6.955×105 km [5] 109 × bumi[5] |
| Keliling katulistiwa | 4.379×106 km [5] 109 × bumi[5] |
| Flattening | 9×10−6 |
| Wiyar aréa | 6.0877×1012 km2 [5] 11990 × bumi[5] |
| Volume | 1.412×1018 km3 [5] 1300000 × bumi |
| Massa | 1.9891×1030 kg[1] 333000 × bumi[1] |
| Kapadhetan rata-rata | 1.408×103 kg/m3 [1][5][6] |
| Kapadhetan | Pusat (modhèl): 1.622×105 kg/m3 [1] Fotosfèr ngisor: 2×10−4 kg/m3 Kromosfèr ngisor: 5×10−6 kg/m3 Korona (rata-rata.): 1×10−12 kg/m3 [7] |
| Gravitasi permukaan katulistiwa | 274.0 m/s2 [1] 27.94 g}} 28 × bumi[5] |
| Kacepetan uwal dhiri (saka permukaan) |
{617.7 km/s [5] 55 × bumi[5] |
| Suhu | Pusat (modhèl): ~1.57×107 K [1] Fotosfèr (èfèktif): 5,778 K [1] Korona: ~5×106 K |
| Luminosity (Lsol) | 3.846×1026 W [1] ~3.75×1028 lm}} ~98 lm/W efficacy |
| Intensitas rata-rata (Isol) | 2.009×107 W·m−2·sr−1 |
| Karakteristik rotasi | |
| Kamiringan sumbu | 7.25° [1] (tumrap ekliptika) 67.23° (tumrap bidhang galaksi) |
| Right ascension saka kutub lor[8] |
286.13° 19 jam 4 menit 30 detik |
| Deklinasi saka kutub lor |
+63.87° 63°52' LU |
| Sidereal periode rotasi (ing katulistiwa) |
25.05 dina [1] |
| (ing 16° lintang) | 25.38 dina [1] 25 dina 9 jam 7 menit 12 detik [8] |
| (ing kutub) | 34.4 dina [1] |
| Kacepetan rotasi (ing katulistiwa) |
7.189×103 km/jam [5] |
| Komposisi fotosfèr (miturut massa) | |
| Hidrogen | 73.46%[9] |
| Helium | 24.85% |
| Oksigen | 0.77% |
| Karbon | 0.29% |
| Wesi | 0.16% |
| Neon | 0.12% |
| Nitrogen | 0.09% |
| Silikon | 0.07% |
| Magnesium | 0.05% |
| Welirang | 0.04% |
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Réferènsi
- ↑ a b c d e f g h i j k l m n o Williams, D. R. (2004). "Sun Fact Sheet". NASA. Dibukak ing 2010-09-27.
- ↑ Asplund, M.; N. Grevesse and A. J. Sauval (2006). "The new solar abundances - Part I: the observations". Communications in Asteroseismology. 147: 76–79. Bibcode:2006CoAst.147...76A. doi:10.1553/cia147s76.
- ↑ "Eclipse 99: Frequently Asked Questions". NASA. Dibukak ing 2010-10-24.
- ↑ Hinshaw, G.; et al. (2009). "Five-year Wilkinson Microwave Anisotropy Probe observations: data processing, sky maps, and basic results". The Astrophysical Journal Supplement Series. 118 (2): 225–245. Bibcode:2009ApJS..180..225H. doi:10.1088/0067-0049/180/2/225.
- ↑ a b c d e f g h i j k l "Solar System Exploration: Planets: Sun: Facts & Figures". NASA. Diarsip saka sing asli ing 2008-01-02.
- ↑ Ko, M. (1999). Elert, G. (èd.). "Density of the Sun". The Physics Factbook.
- ↑ "Principles of Spectroscopy". University of Michigan, Astronomy Department. 30 Agustus 2007.
- ↑ a b Seidelmann, P. K.; et al. (2000). "Report Of The IAU/IAG Working Group On Cartographic Coordinates And Rotational Elements Of The Planets And Satellites: 2000". Dibukak ing 2006-03-22.
- ↑ "The Sun's Vital Statistics". Stanford Solar Center. Dibukak ing 2008-07-29., citing Eddy, J. (1979). A New Sun: The Solar Results From Skylab. NASA. kc. 37. NASA SP-402.