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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > absorption line > Fraunhofer line > H alpha
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H alpha
subjectfact 
H alphahas wavelength 6563 Åhas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:21.0
has upper energy level 3has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:21.0
is an instance of spectral linehas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:21.0
is an instance of Fraunhofer line2001-09-27 09:33:21.0
is an instance of Balmer linehas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:21.0
Fraunhofer linehas dicovery date 18142001-09-27 09:33:23.0
has discoverer Joseph Fraunhofer2001-09-27 09:33:23.0
occurs in Sun2001-09-27 09:33:23.0
Balmer linehas series limit 3647 Å2001-09-27 09:33:21.0
has lower energy level 22001-09-27 09:33:21.0
spectral linehas transition2001-09-27 09:33:20.0
has equivalent width2001-09-27 09:33:20.0
absorption linehas antonym emission line2001-09-27 09:33:23.0
hydrogen linehas species hydrogen (H I)2001-09-27 09:33:20.0
spectral featurehas width2001-09-27 09:33:18.0
has species2001-09-27 09:33:18.0
radiation measurementhas unit radiation unit2001-09-27 09:33:16.0
numberhas value2001-09-27 09:32:57.0

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