Magnitude / Jansky Converter
ST-ECF NICMOS Tools
Created: 30-Apr-1996
Modified: 2-May-2005 (Thanks to Shariq!)
Version 2.2:
Both point sources and extended sources on the same page
NOTE: This page must be viewed with a Java capable browser
Point Source
Photometric
System
Band
Magnitude
Flux
NICMOS Units
CIT
UKIRT
V
R
I
J
H
K
L
L'
M
N
Q
Mag
erg/sec cm2 hz
W/m2 hz
W/m2 um1
W/cm2 um1
erg/sec cm2 Å
erg/sec cm2 um
Jy
Eff WL
(um)
Zero Point
(F0)
Message:
Extended Source
Photometric
System
Band
Surf. Br. Magnitude
Surf. Brightn.
NICMOS Units
CIT
UKIRT
V
R
I
J
H
K
L
L'
M
N
Q
Mag/arc"2
MJy / steradian
Jy/arc"2
Eff WL
(um)
Zero Point
(F0)
Message:
Notes
As in a spread sheet, values are updated as soon as you change one of the input fileds.
Do not try to print this page as is (you'd get an empty form). Click instead on the ``Print'' button to obtain a printable page.
To know more, please refer to:
``Flux Units and NICMOS''
,
Instrument Science Report NICMOS-014
,
C.J. Skinner, STScI, February 29, 1996. (See also:
List of NICMOS Documents
)
ST-ECF, 26 April 1996