Joint Astronomy Centre
Show document only
JAC Home
JCMT
UKIRT
Contact info
JAC Divisions
OMP
Outreach
Seminars
Staff-only Wiki
Weather
Web Cameras
____________________
Observing at UKIRT
Service Observing
UKIDSS Survey Operations
Target of Opportunity
Calibration & Standards
Astronomical Utilities
UKIRT Archive
Public wiki
Accessing UKIDSS Data
Accessing PI Data
Reduction Cookbooks
Telescope
Site Quality
Instruments
Newsletter/Publications
UKIRT Faults
JAC Safety Manual
Safety Briefing
Balmer Series
Recombination Lines of Atomic Hydrogen:
Balmer Series
VACUUM
VACUUM
TRANSITION
WAVELENGTH
FREQUENCY
I/I(Hbeta)
(Nu-Nl)
(microns)
(cm -1)
Te=Ne=10**4
3-2
0.6563
15237.
2.85
4-2
0.4861
20572.
1.00
Intensities from Hummer & Storey, MNRAS 224, 801
most frequencies calculated from f = 109677.57 * [(1/Nl)**2 - TRG
Contact:
Tom Kerr
. Updated: Tue Oct 5 14:56:29 HST 2004
Return to top ^
