AST201H1 Lecture Notes - Inverse-Square Law, Apparent Magnitude

41 views3 pages
Published on 20 Apr 2013
School
UTSG
Department
Astronomy & Astrophysics
Course
AST201H1
Professor
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Lecture'9:'Property'of'Stars'
Luminosity'and'Apparent'Brightness'
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o I+**)E)+F6=.*)67)4.4,GA)H4,)-496./)JF4+-=,3.G)=.3*)76,)1=F3.6-3*AK'
o L4-9,3@3.G)4M4,A)1=F3.6-3*A)67)*:4)-*+,)3.)*4,F-)67)*:4)"=.N-)
1=F3.6-3*A)'
Luminosity'is'how'BRIGHT'something'is'intrinsically)O:39:)3-)/3774,4.*)
7,6F)*:4)*4,F)@,3G:*.4--'
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Apparent'brightness)E):6O)@,3G:*)-6F4*:3.G)appears'*6)A6=)E)/3-*+.94)
F+**4,-)'
Property'of'Stars'
Q:4F39+1)96FH6-3*36.)E)*:4)O+M414.G*:-)+*)*:4)O:39:)3*-)-H49*,=F)-:6O-)
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