Page 256 - ASTRONOMI DAN ASTROFISIKA

APPENDIKS

DAFTAR KONSTANTA

Tetapan fisika
8
-1
kecepatan cahaya c = 2,997 924 58 . 10 m s
konstanta gravitasi universal G = 6,674 287 . 10 N m kg
-2
-11
2
konstanta Planck h = 6,626 069 . 10 J s
-34
reduksi konstanta Planck  = 2 / h  = 1,054 571 . 10 J s
-34
-1
-23
konstanta Boltzmann k = 1,380 650 . 10 J K
9
-2
2 -2
konstanta Coulomb k = 8,987 552 . 10 kg m s C
e
konstanta Stefan-Boltzmann  = 5,669 . 10 W m K
-8
-2 -4
konstanta Wien C = 2,898 . 10 m K
-3
konstanta Avogadro N = 6,03 . 10 partikel/mol
23
0
konstanta gas ideal R = 8,314 J mol K -1
-1
konstanta Rydberg R = 1,096 78 . 10 m
-1
7
d
permitivitas vakum  = 8,854 188 .10 F m -1
-12
0
permeabilitas vakum  = 1,256 637 . 10 H m
-4
-1
0
massa atom hidrogen m = 1,673 . 10 kg
-27
H
massa diam elektron m = 9,1096 . 10 kg
-31
e
muatan elektron e = 1,60 . 10 C
-19

Tetapan astronomi
-1
-1
konstanta Hubble H = 75 km s Mpc
0
batas massa Chandrasekhar M CH = 2,88.10 kg
30
11
satuan astronomi AU = 1,495 978 92 . 10 m
parsec pc = 206 264,806 AU
= 3,261 564 ly
tahun cahaya ly = 9,460 730 . 10 m
15
4
= 6,324 107 10 AU
massa Bumi M = 5,977 . 10 kg
24

radius rata-rata Bumi R = 6,371 . 10 m
6

-2
percepatan gravitasi Bumi g = 9,81 ms

massa Matahari M = 1,989 . 10 kg
30

radius Matahari R = 6,960 . 10 m
8

luminositas Matahari L = 3,86 . 10 W
26

3
-2 -1
fluks Matahari F = 1,368 . 10 W m s

temperatur efektif Matahari Teff = 5778 K

magnitudo bolometrik Matahari Mbol = 4,74

mbol = –26,83

indeks warna standar (kelas A0) (B-V)A0 = 0,0

Astronomi dan Astrofisika 255