Cithakan:Solar System Infobox/Sun

Srengéngé ☉
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%

Réferènsi

  1. 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.
  2. 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.
  3. "Eclipse 99: Frequently Asked Questions". NASA. Dibukak ing 2010-10-24.
  4. 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.
  5. 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.
  6. Ko, M. (1999). Elert, G. (èd.). "Density of the Sun". The Physics Factbook.
  7. "Principles of Spectroscopy". University of Michigan, Astronomy Department. 30 Agustus 2007.
  8. 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.
  9. "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.